N519AS

Part: DOOR — NO DISCREPANCY (ZONE 800) · airframe 58,940 hrs · 17,763 cycles

F/A REPORTS L1 OPENED WITH DIFFICULTY ON ARRIVAL. GROUNDED - YES. REF AMM 52-11-00-700-804. DOOR OPENING AND CLOSING OPERATIONS CHECK GOOD. WITH NO DEFECTS NOTED AT THIS TIME.

Part: SIGN — BROKEN (ZONE 200) · airframe 58,455 hrs · 17,581 cycles

EMERGENCY EXIT INFO LIGHT COVER AT 16F NEAR FLOOR BROKEN OFF. GROUNDED - YES. DURING INSTALL OF NEW COVER, FOUND LIGHT ASSEMBLY DAMAGED AS WELL. REPLACED EXIT SIGN LIGHT ASSY PER AMM 33-51-01. OPS CHECK GOOD.

Part: DOOR — BINDING (ZONE 800) · airframe 58,149 hrs · 17,486 cycles

L1 DOOR VERY STIFF TO OPEN AND CLOSE. GROUNDED - YES. PERFORMED FORWARD ENTRY DOOR SYSTEM TEST REF AMM 52-11-00. DOOR OPENED AT 590 IN LB AND CLOSED AT 580 IN LB. TORQUE WAS OUT OF RANGE FOR STEP (B)(G). L1 DOOR GUST LOCK IS DIFFICULT TO OPERATE, DOOR IS STIFF TO CLOSE FROM THE INSIDE AND OUTSIDE, DOOR IS DIFFICULT TO SWING. INIT MIG-2C S/N: 40-0060972 1083445 07/11/2025. REFERENCE MIG-2C 40-0056997 FOR REPLACEMENT OF L1 DOOR. MIG-2C 40-0060972 ALL ITEMS COMPLETE.

Part: DOOR — NO DISCREPANCY (ZONE 800) · airframe 58,139 hrs · 17,484 cycles

FA SAYS L1 DOOR DIFFICULT TO OPEN AND CLOSE. GROUNDED - YES. VERIFIED L1 DOOR OPEN AND CLOSE AS INTENDED.

Part: HANDLE — NO DISCREPANCY (ZONE 800) · airframe 58,073 hrs · 17,465 cycles

L1 DOOR HANDLE STIFF AND REQUIRED EXCESSIVE FORCE TO OPEN. GROUNDED - YES. CW L1 DOOR SYSTEM TEST REF AMM 52-11-00-700-804 DOOR HANDLE TORQUE TEST WITHIN LIMITS. AS PRECAUTION PERFORM DOOR LUBING.

Part: HANDLE — BINDING (ZONE 800) · airframe 57,954 hrs · 17,432 cycles

FA REPORTED THAT L1 DOOR ROTATION HANDLE USUALLY HARD TO OPEN AND CLOSE, STIFF. GROUNDED - YES. L1 DOOR OPEN AND CLOSES WITHIN LIMITS OF PRESSURE PER AMM 52-11-00. OPEN PRESSURE AT 418 IN LBS AND CLOSES 595 IN LBS. OPS CHECK GOOD AT THIS TIME.

Part: CONTROL ROD — OUT OF ADJUST (ZONE 800) · airframe 57,939 hrs · 17,428 cycles

FA REPORTED THAT L1 DOOR IS UNUSUALLY HARD TO OPEN. GROUNDED - YES. C/W AMM TASK 52-11-00-700-804 4.A THRU E.(3).(C). OPEN TORQUE WAS APPROX 550 IN.LB. C/W FWD ENTRY DOOR SYSTEM TEST PER AMM 52-11-00-700-804 ADJUSTED HORIZONTAL CONTROL ROD PER AMM 52-11-00-820-801 OPS CHECK GOOD. TORQUE TEST PASSED.

Part: DOOR — BINDING (ZONE 800) · airframe 57,911 hrs · 17,413 cycles

L1 DOOR IS HARD OPEN AND CLOSE AND GUST LOCK IS GETTING MORE DIFFICULT TO OPERATE. GROUNDED - YES. REF LP 61089108: (RESOLVED ON W/O: 2056992 TASKCARD: N/R-00001 ) INIT MIG 2C 40-0060161, 40-0060162. T SWANSON 1085462. DURING INSPECTION, FOUND HINGE ARM BOLTS LOOSE & GUIDE ARM REQUIRED REPLACEMENT. REF MIG-2C SN: 40-0060161 FOR GUIDE ARM REPLACEMENT & MIG 2C SN: 40-0060162 FOR HINGE ARM BOLTS TIGHTENING. COMPLETED DOOR RIG & ADJUSTMENT PER AMM 52-11-00-820-801. OPS CHECK GOOD. THIS CLEARS MEL 52-7D. ALL PLACARDS REMOVED. SEAMC FELIX NOTIFIED. MIG-2C SN:40-0060161 & 40-60162 COMPLETE.

Part: DOOR — BINDING (ZONE 800) · airframe 57,394 hrs · 17,229 cycles

FA REPORTS L1 DOOR DIFFICULT TO OPEN. GROUNDED - YES. PERFORMED TROUBLESHOOTING PER FIM TASK 52-11-31-400-802. PERFORMED FORWARD ENTRY DOOR SERVICING MECHANISM REF AMM 12-25-11-640-802. OPERATED L1 DOOR OPEN AND CLOSED WITH INTERIOR AND EXTERIOR HANDLE NUMEROUS TIMES PER AMM 52-11-00. GUST LOCK OPERATES CORRECTLY PER AMM 52-11-00.

Part: RIB — CRACKED (ZONE 600) · airframe 56,817 hrs · 17,028 cycles

RH WING DEFLECTION RIB SUPPORT ROD HAS BEEN BROKEN OFF AT SUPPORT BEAM. GROUNDED - YES. INSTALLED REPAIR PARTS IN RH WING DEFLECTION RIB IAW B737-700 SRM 57-51-02-2R-2 HYD LEAK CHECK GOOD IAW 737-700 AMM 29-00-00-790-801.

Part: LENS — DETACHED (ZONE 200) · airframe 56,749 hrs · 17,007 cycles

EXIT LIGHT COVER BESIDE DOOR R1 POPPED OFF. GROUNDED - YES. REPLACED R1 DOOR FLOOR EXIT SIGN ASSY OPS NORMAL REF AMM 33-51-00.

Part: CARGO TRACK — CRACKED (ZONE 100) · airframe 55,129 hrs · 16,433 cycles

AFT CARGO HAS A CRACKED CARGO TRACK AT STA 747 R/H SIDE. GROUNDED - YES. REPAIRED AFT CARGO TRACK AT STA 747 R/H SIDE IAW B737-800 SRM 53-00-53-2R-3.

Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 55,129 hrs · 16,433 cycles

AFT CARGO R/H SIDE TRANSITION HAS CORROSION FROM STA 727A TO 767. GROUNDED - YES. REMOVED DAMAGE FOUND OUT LIMITS REMOVED AND REPLACED AFT CARGO R/H SIDE TRANSITION PANEL FROM STA 727A TO 767 IAW B737-800 SRM 51-40-02-0G-0W=2" O=.040 R=.034 L=1" D=.006.

Part: RIB — CRACKED (ZONE 300) · airframe 55,129 hrs · 16,433 cycles

R/H STAB STA. 111.10 RIB IS CRACKED (MARKED). GROUNDED - YES. REPAIRED R/H STAB STA 111.10 RIB IAW B737-800 SRM 55-10-09-2R-4.

Part: RIB — CRACKED (ZONE 300) · airframe 55,129 hrs · 16,433 cycles

L/H STAB STA.138.70 RIB IS CRACKED (MARKED). GROUNDED - YES. REPAIRED L/H STAB 138.70 RIB IAW B737-800 SRM 55-10-09-2R-4.

Part: WEB — CORRODED (ZONE 100) · corrosion level 2 · airframe 55,129 hrs · 16,433 cycles

AFT CARGO LOWER SILL WEB HAS CORROSION AT STA 787-847. GROUNDED - YES. REMOVED CORROSION FROM AFT CARGO DOOR LOWER SILL WEB AND WEB WAS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-60-15-1A-1. REMOVED AND REPLACED WITH NEW LOWER SILLWEB IAW B737-800 SRM 51-40-02-0G-0.W= 1" O= .045 R= .040 L= 1" D= .005.

Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 55,129 hrs · 16,433 cycles

AFT CARGO L/H SIDE TRANSITION HAS CORROSION FROM STA 727A TO 827. GROUNDED - YES. REMOVED DAMAGE FROM THE AFT CARGO L/H SIDE TRANSITION. TRANSITION WAS FOUND TO BE OUT LIMITS IAW B737-800 SRM 53-00-53-1A-2. FABRICATED AND INSTALLED NEW L/H SIDE TRANSITION FROM STA 727A TO STA 827 IAW B737-800 SRM 51-40-05-0G-0 AND SRM 51-40-02-0G-0W= 1 1/2" O= .040 R= .033 L= 1" D= .007.

Part: FLOORBEAM — CORRODED (ZONE 200) · corrosion level 2 · airframe 55,129 hrs · 16,433 cycles

AFT WET AREA FLOOR BEAM 986 HAS CORROSION AT RBL 44. GROUNDED - YES. REPAIRED AFT WET AREA FLOOR BEAM 986 AT RBL 44 IAW B737-800 SRM 53-70-51-2R-6W= 1" O= .150 R= .109 L= 1" D= .041.

Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 55,129 hrs · 16,433 cycles

FWD PIT R/H SIDE TRANSITION HAS CORROSION FROM STA 500A TO 500I. GROUNDED - YES. REMOVED & REPLACED FWD PIT R/H SIDE TRANSITION FROM STA 500A TO 500I IAW B737-800 SRM 51-40-02-0G-0W= 1" O= .040" R= .032" L= 1" D= .008".

Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 55,129 hrs · 16,433 cycles

FWD PIT L/H SIDE TRANSITION HAS CORROSION FROM STA 500D TO 500H. GROUNDED - YES. REMOVED AND REPLAED FWD PIT L/H SIDE TRANSTION FROM STA 500D TO 500H IAW B737-800 SRM 51-40-02-0G-0W= 1" O= .040 R= .033 L= 1" D= .007.

Part: FLOORBEAM — CORRODED (ZONE 200) · corrosion level 2 · airframe 55,129 hrs · 16,433 cycles

AFT WET AREA FLOOR BEAM 986 HAS CORROSION AT LBL 44. GROUNDED - YES. REPAIRED AFT WET AREA FLOOR BEAM 986 AT LBL 44 IAW B737-800 SRM 53-70-51-2R-6W= 1" O= .105 R.105 L= 1 1/4 D= .045.

Part: BATTERY PACK — INOPERATIVE (MAIN CABIN) · airframe 56,097 hrs · 16,782 cycles

EMERGENCY LIGHTS INOP BY L1 DOOR. GROUNDED - YES. REMOVED + REPLACED PASS CABIN LIGHTING EMER CHGR BATTERY FWD LEFT FOR L1 DOOR IAW AMM 33-51-06 POWER TEST & OPS CHK GOOD EMERGENCY LIGHTS BY L1 DOOR OK FOR SVC.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS) · airframe 54,665 hrs · 16,269 cycles

WHILE PERFORMING TC 78233008, HAD MULTIPLE EMERGENCY LT SECTIONS OUT/INOP. GROUNDED - YES. REMOVED AND REPLACED EMER LT BATT PACKS AND CHARGERS AT LOCATIONS M1694, M1695, AND M1670 IAW AMM 33-51-06-960-805/806. NOW ALL EMERGENCY LT SECTIONS AND INDIVIDUAL LT ASSY ILLUMINATE NORMALLY IAW TC 78233008. ALL FLOOR PANELS RESECURED. NO OTHER DEFECTS NOTED.

Part: MODULE — FAULTED (E/E SHELF E1-4) · airframe 53,042 hrs · 15,705 cycles

ENG 2 OVERHEAT LIGHT ILLUMINATED ON SHORT FINAL. QRH FOLLOWED AFTER LANDING AND LIGHT EXTINGUISHED AT IDLE THRUST. GROUNDED - YES. REF AMM 26-00-1 FOUND NO WIRING ISSUE PER WDM 26-11-21, CONTINUE T/S FOUND WHILE PERFORM WING BODY OVER HEAT DET LOOP TEST, #2 ENG LOOP B FIRE HANDLE LIGHT COMES ON. PERFORMED WIRING CHECK PER WDM 26-12-11, NO DEFECT NOTED, SUSPECT COMP OVHT CONTROL M237. REMOVED AND REPLACED COMPT OVHT DET CONT REF AMM 26-18-01, PERFORMED FIRE AND OVERHEAT DETECTION SYSTEM OPERATIONAL TEST, TEST PASSED, NO DEFECT NOTED AT THIS TIME. PERFORMED ENGINE & APU FIRE DETECTION CONTROL UNIT INSTALLATION TEST IAW AMM 26-00-01-400-801 STEP 3.G. & H. OPS CK NORMAL.

Part: FIRE DETECTOR — FAULTY (E/E SHELF E2) · airframe 53,032 hrs · 15,701 cycles

#2 ENGINE OVERHEAT LIGHT ILLUMINATED WHEN LEVELING OFF IN CRUISE. EXTINGUISHED AT REDUCED POWER. GROUNDED - YES. AIR TURNBACK - MIG-2C S/N # 40-0053209 OPENED N. LUMAGUE 10/30/2023REF LOG PAGES 60736841 AND 60736842 FOR WORK ACCOMPLISHED. MIG-2C SN # 40-0053209 CLOSED. LP 60736841: REMOVED AND REPLACED ENGINE AND APU FIRE DETECTION MODULE PER AMM 26-10-01. OPS CHECKS GOOD NO FAULTS NOTEDLP 60736842: REPLACED ENGINE AND APU FIRE CONTROL PANEL PER AMM 26-00-01-000-801/ 26-00-01-400-801 PERFORMED ENGINE AND APU FIRE DETECTION CONTROL UNIT INSTALLATION TEST IAW AMM SUBTASK 26-00-01-860-010. OPS TEST GOOD. ALL REQUIRED TESTS COMPLETED. A/C OK FOR SERVICE.

Part: FIRE DETECTOR — FAULTY (#2 ENGINE) · airframe 52,987 hrs · 15,686 cycles

IN FLIGHT, FAULT LIGHT ILLUMINATED WITH OVHT/DET SWITCH ON "A" PER MEL OF B LOOP. GROUNDED - YES. DIVERSION - ACCOMPLISHED B737-800 FIM 26-10 TASK 801 CONTROLLER BITE FAULT LIGHTS ON FOR BOTH ENGINES AND APU. ACCOMPLISHED RESISTANCE CHECK FOR #2 ENG PER B737-800 AMM 26-11-00 AND FOUND RESISTANCE FOR LOOP A OUT OF LIMITS INTERMITTENTLY. RESTORED ENG & APU FIRE DETECT MODULE TO RACK AND CLOSED ALL BREAKERS REF AMM 26-11-00. REPLACED ENG #2 UPPER FAN FIRE DETECTOR, LOWER FAN FIRE DETECTOR, RIGHT CORE FIRE DETECTOR, LEFT CORE FIRE DETECTOR IAW AMM 26-11-01-000-801. REPLACED ENG #2 CORE FIRE DETECTION HARNESS MW0325 AND MW0326 IAW AMM 26-11-02. REPLACED ENG #2 FAN FIRE DETECTION HARNESS MW0315 AND MW0316 IAW AMM 26-11-02. OPS CHECK - NORMAL.

Part: FIRE DETECTOR — FAULTY (# 2 ENGINE) · airframe 52,985 hrs · 15,685 cycles

FAULT LIGHT ILLUMINATED DURING TAXI IN. GROUNDED - YES. C/W FIRE DETECTION BITE TEST PER B737-800 FIM 26-10 TASK 801. FOUND FAULT ENGINE #2 LOOP 'B' LOW DETECTOR RESISTANCE. ENGINE #2 LOOP 'A' IS GOOD. ACCOMP FIM TASK 26-10 TASK 801 CONTROLLER BITE FAULT LIGHTS ON FOR BOTH ENGINES AND APU. ACCOMP RESISTANCE CHECK FOR #2 ENG PER B737-800 AMM 26-11-00 AND FOUND RESISTANCE FOR LOOP A OUT OF LIMITS INTERMITTENTLY. REPLACED ENG #2 UPPER FAN FIRE DETECTOR, LOWER FAN FIRE DETECTOR, RIGHT CORE FIRE DETECTOR, LEFT CORE FIRE DETECTOR IAW AMM 26-11-01-000-801. REPLACED ENG #2 CORE FIRE DETECTION HARNESS MW0325 AND MW0326 IAW AMM 26-11-02. REPLACED ENG #2 FAN FIRE DETECTION HARNESS MW0315 AND MW0316 IAW AMM 26-11-02. OPS CHECK - NORMAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,981 hrs · 15,684 cycles

ENGINE # 2 FIRE SYSTEM A FAULT. GROUNDED - YES. IN E&E BAY FOUND FIRE AND OVERHEAT CONTROL MODULE LOOPS A&B INDICATORS FOR BOTH ENGINES FLASHING SUSPECT FAULTY BOX RB12932 AFTER RE-SEATING MODULE ALL LOOPS TESTED NORMAL REF LP 60736808. REPAIRED WIRING DISCREPANCY, FIRE DETECTION OPERATIONAL TEST NORMAL PER AMM 26-11-09.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,981 hrs · 15,684 cycles

SHOWING ENGINE FIRE /OVERHEAT FAULT LIGHT. GROUNDED - YES. CONFIRMED FAULT, #2 ENGINE B-LOOP FAILS TEST. TROUBLESHOT TO DEFECTIVE UPPER FAN (M1757) WIRING CHAFFING. REPAIRED WIRE REF SWP. #2 ENGINE FIRE DETECTOR SYSTEM A & B LOOPS OPS CK NML REF AMM 26-11-00-730-802. AIRCRAFT RELEASED FROM MEL 26-2B, C/N 20070519. SEAMC NOTIFIED "PETER." REVERSAL OF CONFIGURATION CHANGE ACCOMPLISHED BY REPOSITIONING #2 ENGINE OVHT DET SWITCH BACK TO NORMAL POSITION.

Part: FMC — FAULTY (E/E SHELF E5-2) · airframe 52,969 hrs · 15,676 cycles

AFTER LANDING FMC DISAGREE FROM BOTH FMC MENUS AND VTK APPEARS ON CAPT ND. GROUNDED - YES. FIM 34-61 TASK 801, FMC-L BITE TEST FUNCTION INOP, FO SIDE FMC SHOWS FMC-L FAULTED PGM FAULT, FMC TO CDU-L & R, ALSO FOUND FMC VALID GREEN LED NOT ON, REPLACED NEW FMCS-L & PERFORMED ALL INSTALLATION TEST GOOD AMM 34-61-02/401.

Part: STATIC INVERTER — FAULTY (E/E SHELF E2-2) · airframe 52,952 hrs · 15,668 cycles

ELEC LIGHT ON LANDING ROLL OUT. GEN 1, GEN 2, APU OUTPUT LOOKED GOOD. GROUNDED - YES. STATIC INV. R&R PER AMM 24-34-21. OPS CHECK -GOOD-.

Part: CONTROL UNIT — MALFUNCTIONED (FLIGHT COMPARTME) · airframe 52,976 hrs · 15,682 cycles

TECH SERVICE REQUEST TO FOLLOW UP ON STATIC INVERTER FAILED REQUEST REPLACEMENT OF THE (SPCU) TO PREVENT FUTURE DELAYS ALSO THE SPCU SIGNALS IT TO CLOSE AND THIS LETS THE STATIC INVERTER RECEIVE POWER FROM THE BATTERY. (#PRI2/ETOPS). GROUNDED - YES. (RESOLVED ON W/O: 1973985 TASKCARD: N/R-00003 ) REPLACED SPCU REF AMM 24-34-11. OPS TEST GOOD. THIS CLEARS TSR, SEAMC PETER NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,937 hrs · 15,663 cycles

UPON LANDING THE ELEC LIGHT ON THE OVERHEAD PANEL ILLUMINATED UPON LANDING ROLLOUT. GROUNDED - YES. REF TSR715097, PERFORMED BITE CHK FOR ELEC LIGHT. FOUND STATIC INVERTER FAULT AND PERFORMED FIM TASK 24-31 TASK 801. CLEARED FAULTS OPS CHK GOOD. PERFORMED STATIC INV OPS CK 24-34-21-400-801. SEAMC DAVE NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,927 hrs · 15,661 cycles

#2 ENGINE A LOOP FAILS TO ILLUMINATE ON TEST. GROUNDED - YES. ON DEFERRAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,927 hrs · 15,661 cycles

ELEC LIGHT ON. GROUNDED - YES. PERFORMED BITE CK FOR ELEC LIGHT FOUND TO BE STATIC INVERTER FAULT PERFORMED FIM TASK24-31 TASK 801. CLEARED FAULTS OPS CK GOOD. AND PERFORMED STATIC INV OPS CK 24-34-21-400-801 SEAMC NOTIFIED.

Part: ANTI-ICE VALVE — MALFUNCTIONED (#2 ENGINE) · airframe 52,902 hrs · 15,655 cycles

ON DECENT # 2 ENG ANTI ICE VALVE STUCK OPEN. GROUNDED - YES. REMOVED AND REPLACED ENG 2 COWL TAI VALVE REF AMM 30-21-11. INSTALLATION TEST GOOD. TWO C/B'S PULLED AND RESET. ALTERNATE DEACTIVATION PROCEDURES USED PER MPM CHAPTER 5 TABLE 3 ITEMS 3,4,5,7,8. ALTERNATE DEACTIVATION PROCEDURES REVERSED.

Part: STATIC INVERTER — FAULTY (E/E RACK E2-2) · airframe 52,888 hrs · 15,650 cycles

WHILE PREPARING FOR MX TAXI, ELEC LT AND STATIC INV FAULT SHOWS. GROUNDED - YES. REMOVED AND REPLACED STATIC INVERTER REF B737-800 AMM 24-34-21/401. ALL OP TESTS PASS. ETOPS GROUND VERIFICATION SUCCESSFUL.

Part: SPINNER — WORN (#2 ENGINE) · airframe 52,888 hrs · 15,650 cycles

PER T/C 78472010 #2 ENGINE FAN BLADE LUBE. REAR SPINNER CONE WASHERS ARE WORN. 12 WASHERS. GROUNDED - YES. REMOVED AND REPLACED REAR SPINNER CONE WASHERS REF T/C 78472010.

Part: SPACER — DEBONDED (#2 ENGINE) · airframe 52,888 hrs · 15,650 cycles

PER T/C 78742010 #2 ENGINE FAN BLADE LUBE. #7 AND #10 SPACERS ARE DISBONDED. GROUNDED - YES. REMOVED AND REPLACED #2 ENG FAN BLADE #7 AND #10 SPACERS REF T/C 78472010.

Part: SPINNER — WORN (#2 ENGINE) · airframe 52,888 hrs · 15,650 cycles

PER T/C 78472010 #2 ENGINE FAN BLADE LUBE. CONE FRONT SPINNER WASHERS ARE WORN. SIX WASHERS. GROUNDED - YES. REMOVED AND REPLACED FRONT CONE SPINNER WASHERS REF T/C 78472010.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,878 hrs · 15,647 cycles

AFTER START, ELEC LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. ACC BITE AND IAW B737-800 FIM 24-31 TASK 801. STAT INV INOP ILLUMINATED ARC FIM 24-34 TASK 001. RESET POWER NO FURTHER DEFECTS NOTED. OPS CK OK.

Part: BLADE — DAMAGED (#1 ENGINE) · airframe 52,813 hrs · 15,627 cycles

PER TC # 78472010, FAN LUBE FOUND FAN BLADES DAMAGED BEYOND LIMITS ALONG CONTACT POINTS WITH PLATFORM SEALS #2 ENGINE. GROUNDED - YES. DURING #2 ENGINE FAN LUBE REPLACED 6 PLATFORMS, AND REPLACED BLADES WITH SERVICEABLE.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,752 hrs · 15,600 cycles

FMC DISAGREE GROUNDED - YES. FMC DISAGREE PROCEDURE PERFORMED ON GROUND WITH A SATISFACTORY RESOLUTION.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,609 hrs · 15,555 cycles

FAN BLADE ON #1 ENG HAS A CHIP AND POSSIBLE CRACK , CAN NOT READ FAN BLADE NUMBER. GROUNDED - YES. PERFORMED ENGINE FOREIGN DAMAGE INSPECTION ON ENGINE #1 IAW AMM 71-00-00-801-F00, PERFORMED REPAIR OF FAN BLDE #19 IAW AMM 72-21-02-300-801--F090 SEAMC JEFF NOTIFIED REF NEXT LOG PAGE (60631787) FOR FLOURESENT PENETRANT INSPECTION REQUIRMENT.

Part: SEAL — DAMAGED (#2 ENGINE) · airframe 52,548 hrs · 15,531 cycles

#2 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION TO GREATER THAN EXPECTED. (#PRI2/ETOPS)ENGINE POWER RUN REQUIRED. GROUNDED - YES. (RESOLVED ON W/O: 1967729 TASKCARD: N/R-00001 ) COMPLIED WITH STEPS 1-5. FOUND EVIDENCE OF POSSIBLE LEAK COMING FROM DRIVE PAD DRAIN TUBE. REF LOG PAGE 60631778 FOR 8 BAGS INSTALLED ON DRAIN TUBES. BWHITE 62595 09/06/2023 FOUND DRIVE PAD COVER SEALOL DAMAGED. REMOVED AND REPALCED DRIVE PAD SEALOL REF AMM 72-60-00, REF STEP 6 OF TSR FOR PART POWER RUN LEAK CHECK. SEE MIG2C 40-0054619 (2) FOR LEAK CHECK OF DRIVE PAD COVER. PGARNER 43305 09-06-2023. COMPLETED STEPS 6 & & OF THIS TSR. NO FURTHER DEFECTS NOTED. THIS CLOSES TSR, SEAMC AUSTIN NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,430 hrs · 15,489 cycles

INTERMITTENT FMC FAILURE ON CAPTAINS FMC. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 801, LEFT FMC LOGGED PGM FAULT. ACCOMPLISHED FIM 34-61 TASK 807, FAULT NO LONGER PRESENT. SYS OPS CKS NORMAL.

Part: PACKING — LOOSE (#2 ENGINE) · airframe 52,413 hrs · 15,485 cycles

O-RING ON #2 ENGINE OIL CAP EXCESSIVELY LOOSE. GROUNDED - YES. REMOVED AND REPLACED O-RING ON #2 ENGINE OIL CAP PER AMM 79-11-01. OPENING ON FAN COWL NOT REQUIRED.

Part: OVERHEAT SENSOR — FAULTY (APU) · airframe 52,345 hrs · 15,459 cycles

INTERMITTENT "APU DET INOP" CAUTION LIGHT ON FIRE CONTROL PANEL AND MASTER CAUTION. GROUNDED - YES. R/R APU TAILPIPE OVERHEAT DETECTOR ASSY M1925. REF B737-800 AMM 26-15-01. APU FIRE DETECTION OPS TEST GOOD.

Part: ACTUATOR — FAULTY (RAM AIR EXHAUST) · airframe 52,331 hrs · 15,451 cycles

LH RAM AIR INLET ACTUATOR FAILED BITE. GROUNDED - YES. (RESOLVED ON W/O: 1964749 TASKCARD: N/R-00006 ) R/R LH RAM AIR INLET ACTUATOR PER AMM 25-51-21 OPS CHK GOOD NO FAULTS NOTED THIS CLEARS MEL 21-5C PLACARD REMOVED MX CONFIG REVERSED SEAMC ASHRAF NOTIFED.

Part: MOTOR — MALFUNCTIONED (BOOST PUMP) · airframe 52,314 hrs · 15,444 cycles

AFT LEFT MAIN FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED ON TAKEOFF. GROUNDED - YES. (RESOLVED ON W/O: 1964749 TASKCARD: N/R-00003 ) REMOVED AND REPLACED TANK #1 AFT BOOST PUMP IAW AMM 28-22-41. OP/LEAK CHECK GOOD. AC RELEASED FROM MEL 28-1C. MAINT PROCEDURES REVERSED. PLACARD REMOVED. SEAMC ASHRAF NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,310 hrs · 15,442 cycles

AFT LEFT MAIN FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. GROUNDED - YES. VERIFIED AFT LEFT MAIN FUEL PUMP C/B CLOSED. OPERATED PUMP AFTER RE-FUEL NO DEFECTS NOTED PUMP OPS NORMAL REF FIM 28-22 TASK 803 ETOPS SIGNIFICANT SYSTEM GND VERIFICATION ACCOMPLISHED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,296 hrs · 15,438 cycles

FWD CAB ZONE TEMP LIGHT ILUMINATES ON RECALL CANCELS WITH PUSH OF MASTER CAUTION. GROUNDED - YES. (RESOLVED ON W/O: 1963714 TASKCARD: N/R-00008 ) FOUND EXTREEMLY DIRTY TEMP SENSORS ON FD & FWD CABIN SENSORS. CLEANED SENSORS & C/W AMM 21-51-10-000-801, OPS CHECK OF LH & RH PACK, OPS NORMAL & TEMPS INDICATE ACCURATE. NO FAULTS ON RECALL DURING TESTS. TEMPS TO FULL HOT & COLD OPERATE NORMAL. THIS CLEARS MEL 21-19G & C/N 05041519. PLACARDS REMOVED. SEAMC SCOTT NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,265 hrs · 15,429 cycles

AFTER PUSHBACK, FWD CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL AND EXTINGUISHED ON MASTER CAUTION RESET. GROUNDED - YES. PERFORMED ZONE TEMP CONTROL BITE TEST REF AMM 21-61-00. NO FAULTS NOTED. A/C OK FOR SERVICE. SEAMC ASHRAF NOTIFIED.

Part: MODULATING VALVE — FAULTY (CABIN TEMP) · airframe 52,179 hrs · 15,401 cycles

ILLUMINATION OF ZONE TEMP FWD LIGHT DURING MASTER CAUTION RECALL, LIGHT EXTINGUISHES WHEN MASTER CAUTION SYSTEM IS RESET. GROUNDED - YES. PERFORMED BITE REF AMM 21-6100 PRV FLT ZONE TRIM VALVE FAULT REPLACED FWD CAB ZONE TRIM VALVE REF AMM 21-61-21 MIG51A INSTALLED/REMOVED OPS CHECK GOOD THIS CLEARS MEL 21-19G PLACARD REMOVED SEAMC ASHRAF NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,151 hrs · 15,394 cycles

DURING MASTER CAUTION RECALL FWD ZONE TEMP LIGHT ILLUMINATED. ZONE TEMP LIGHT RESET WITH MASTER CAUTION RESET. GROUNDED - YES. C/W FIM TASK 21-62 TASK 801. FAULT CLEARED. NO FURTHER DEFECTS NOTED. NO HISTORY IN 60 DAYS.

Part: ACTUATOR — FAULTY (LH MLG WW) · airframe 51,641 hrs · 15,220 cycles

AUTOPILOT B WILL NOT STAY ENGAGED - TRIES TO TURN TO THE LEFT. GROUNDED - YES. CONFIRMED FAULT, DFCS BITE TEST FAILS CH-B AIL ACT PRESS LCL INV MSG 22-11149. SWAPPED FCC, STILL FAILS ON THE CH-B SIDE. RE-INSTALLED FCC INTO THE ORIGINAL POSITIONS. REMOVED & REPLACED CH-B A/P AILERON ACTUATOR REF B737-800 AMM 22-11-25. ACCOMPLISHED A/P AILERON ACTUATOR ADJUSTMENT REF AMM 22-11-25-820-801 & A/P AILERON ACTUATOR TEST REF AMM 22-11-25-801, OPS CK NML. ALSO, REMOVED & REPLACED HYDRAULIC PRESSURE SWITCH REF AMM 22-11-40, AS PRECAUTIONARY. ACCOMPLISHED DFCS LAND VERIFY (GP 49) TEST REF AMM 22-11-00 & HGS SYSTEM TEST REF SMM 34-36-00, OPS CK NML.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 51,606 hrs · 15,210 cycles

LEFT FWD WINDOW HEAT NOT SHOWING "ON" OR "OVERHEAT" WHEN TURNED ON. GROUNDED - YES. PERFORMED WINDOW HEAT CHECK PER B737-800 AMM 3041-00 NO FAULT FOUND.

Part: IGNITER — FAULTY (APU) · airframe 51,410 hrs · 15,155 cycles

APU FAULT LIGHT DURING APU START. GROUNDED - YES. REMOVED AND REPLACED APU IGNITER PLUG REF B737-800 AMM 49-41-51.

Part: PRESSURE SWITCH — FAULTED (LT MLG WW) · airframe 51,309 hrs · 15,119 cycles

AUTOPILOT B WILL NOT STAY ENGAGED AFTER BEING SELECTED. GROUNDED - YES. REMOVED AND REPLACED AILERON B ACTUATOR PRESSURE SWITCH INSTALLATION TEST PASSED REF B737-800 AMM 22-11-40-401.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 51,309 hrs · 15,119 cycles

R1 DOOR EXIT SIGN FELL OFF IN FLIGHT. GROUNDED - YES. RESECURED R1 DOOR EXIT SIGN AS REQ. PER AMM 33-50-00.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 51,298 hrs · 15,115 cycles

RIGHT FMC FAILED IN FLIGHT "SINGLE FMC OPS" IN SCRATCHPAD AND F/O MAP FLAG ILLUMINATED. RAN QRH AND IT DID NOT RESTORE. GROUNDED - YES. PULLED & RESET BREAKERS 2&1 CMPTR FMC PER B737-800 FIM 34-61 TASK 836 RESTORED NORMAL OPERATION. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 51,052 hrs · 15,033 cycles

UPON MASTER CAUTION RECALL CONT CAB ZONE TEMP ILLUMINATED, LIGHT EXTINGUISHED WHEN MC PRESSED. GROUNDED - YES. REF FIM TASK 21-62 TASK 842, VERIFIED BOTH PACK OPS CHECKED NORMAL ON GND IN ALL TEMP RANGE W/O FAULT LIGHT. BOTH PZTC'S BITE VERIFY TEST PASSED W/O FAULTS. NO DEFECT'S HISTORY FOR LAST 30 DAYS.

Part: PUMP — FAULTED (FUEL BOOST) · airframe 51,021 hrs · 15,021 cycles

DURING CLIMB TO CRUISE #2 FWD FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED #2 FWD BOOST PUMP PER B737-800 AMM 28-22-41.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 50,879 hrs · 14,979 cycles

AUTO-THROTTLE DISENGAGED ON T/O ROLL. GROUNDED - YES. FOUND FAULT CODE 22-31687 "ASM RATE MONITOR" IN HISTORY BUT NOT IN RECENT FLIGHTS. PERFORMED B737-800 FIM 22-32 TASK 819. RESET FCC AND ASM IAW FIM PERFORMED INTERACTIVE THROTTLE TEST IAW FIM. OPS TEST GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 50,710 hrs · 14,933 cycles

AUTO PILOT B DISCONNECTS AFTER 4-5 SECONDS. GROUNDED - YES. ACCOMPLISHED FLIGHT FAULT REVIEW. FOUND FAULT IN HISTORY 22-11132, 22-11149. PERFORMED DFCS BITE TEST REF B737-800 FIM 22-11 TASK 801. NO FAULTS FOUND. PERFORMED AUTO PILOT A&B CURRENT STATUS. ALL TESTS PASSED. REF FIM 22-11 TASK 801. IN ADDITION PERFORMED LAND VERIFY. ALL TESTS PASSED REF B737-800 AMM TASK 22-11-00-700-801.

Part: PANEL — FAULTY (FLIGHT DECK) · airframe 50,603 hrs · 14,900 cycles

AUTO PILOT-A WILL NOT ENGAGE. GROUNDED - YES. C/W DFCS BITE PROCEDURE, B737-800 FIM 22-11 TASK 801, BITE GRP #20 FAULT REVIEW, FOUND LEG 6 HAD MULTIPLE FAULTS FOR BOTH ENGAGE ATTEMPT AND A/P DISC FAULTS. MCP AIL ENG DISAGREE, FC 22-11625, MCP ELV ENG DISAGREE & FC 22-11626. SUSPECT LRU IS MCP. REF FIM 22-11-00-810-845 & FIM 22-11-00-810-846 REMOVED AND REPLACED MODE CONTROL PANEL (MCP). REF B737-800 AMM 22-11-34/401, OPS TEST GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 50,518 hrs · 14,866 cycles

DURING PREFLIGHT, DUAL FMC FAILURE. MAP FLAG BOTH SIDES. VTK FLAG BOTH LEFT SIDE. GROUNDED - YES. PULLED & RESET BREAKERS CMPTR 1 & 2 FMC PER B737-800 FIM 34-61-836. NO HIST. 30 DAYS. RESTORED NORMAL OPERATION. A/C GOOD FOR SVC.

Part: PACKING — LEAKING (#1 ENGINE) · airframe 50,470 hrs · 14,848 cycles

#1 ENGINE GEAR BOX PAD LEAKING. GROUNDED - YES. #1 ENGINE ACCESSORY GEARBOX STARTER DRIVE PAD ASSEMBLY REMOVED. SEALS AND PACKINGS REPLACED. #1 ENGINE ACCESSORY GEARBOX STARTER DRIVE PAD REINSTALLED. ALL WORK DONE PER ASA TASKCARD N8472002. LEAK CHECK GOOD.

Part: SKIN — CRACKED (HORIZONTAL STAB) · airframe 50,363 hrs · 14,817 cycles

R/H HORIZONTAL LOWER SKIN IS CRACKED AT STA 174, 24 INCHES FWD OF REAR SPAR. GROUNDED - YES. REPAIRED LOWER SKIN AT STA 174 IAW B737-800 SRM 55-10-01-2R-11 CAT B REPAIR INSPECTION THRESHOLD 56,000 FLIGHT CYCLES AT 9000 FLIGHT CYCLE INTERVALS.

Part: MODULATING VALVE — FAULTED (RT A/C PACK) · airframe 50,081 hrs · 14,729 cycles

RIGHT PACK LIGHT ILLUMINATES DURING RECALL. RESETS OK. GROUNDED - YES. REMOVED AND REPLACED RIGHT TCV, V141 B737-800 AMM 21-51-10, OPS CHECK GOOD.

Part: CONTROL VALVE — FAULTED (A/C PACK) · airframe 50,065 hrs · 14,720 cycles

RIGHT PACK LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED PACK TEMP CTRL BITE IAW FIM 21-62 TASK 801. NR 2 TCV FAULT PRESENT. BITE PASSED, PACK LIGHT EXTINGUISHED ON RECALL.

Part: CONTROLLER — FAULTED (CABIN TEMP) · airframe 49,974 hrs · 14,695 cycles

AFT CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL. LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. R&R PZTC NR 1 IAW AMM 21-61-20-000-801 OPS CHECK NORMAL PER AMM BITE PROCEDURE AMM 21-61-00-700-806-002.

Part: MODULATING VALVE — FAULTED (RT ACM) · airframe 49,870 hrs · 14,656 cycles

AFT ZONE TEMP ILLUM ON APPROACH. RESET WITH RECALL. GROUNDED - YES. REMOVED AND REPLCAED ZONE TRIM AIR MODULATING VALVE PER B737-800 AMM 21-62-21-400-801 BITE TEST GOOD.

Part: LENS — MISSING (EMERGENCY LIGHT) · airframe 49,864 hrs · 14,648 cycles

COVER FOR EXIT LIGHT BY THE L1 DOOR MISSING. GROUNDED - YES. FOUND EXIT LIGHT COVER AND REINSTALLED.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 49,831 hrs · 14,635 cycles

AFT CABIN ZONE TEMP LIGHT ON MASTER RECALL. GROUNDED - YES. C/W FIM PROCEDURES. BITE TEST OF 1 & 2 PZTC = PZTC 1 FAULTED ZONE TRIM VALVE. GREEN GO / VERIFY LIGHT ILLUMINATED AND RESET FAULT. OPERATED BOTH R & L PACKS WITH NO FAULTS NOTED. REF B737-800 FIM 21-62 TASKS 844, 801, & 835.

Part: CIRCUIT BREAKER — TRIPPED (UNKNOWN) · airframe 49,588 hrs · 14,581 cycles

AFTER ENG START AND DURING TAXI OUT F/O PITOT HEAT LIGHT ILLUMINATED. GROUNDED - YES. FO'S PITOT HEAT C/B (P18-3 D 5) WAS TRIPPED. RESET C/B REF B737-800 AMM 20-60-01. PERFORMED PITOT HEAT OPS CK REF B737-800 AMM 34-11-01-860-174. OPS CK GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 49,320 hrs · 14,489 cycles

AT FL 370 JUST PRIOR TO DESCENT, L FMC FAILED 3 TIMES IN 2 MINUTES. VTK, MAP AND BOTH FMC PROMPTS ERASED. NORMAL OPS RESTORED EACH TIMES WITH NO PILOT ACTION. NOTE: APPROACH WAS NOT LOADED UNTIL DESCENT WINDS WERE EXECUTED. GROUNDED - YES. REF B737-800 FIM 34-61 TASK 836. RESET BOTH FMC'S OPS CHECK NORMAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 49,302 hrs · 14,484 cycles

VNAV BUTTON ON FGC STICKS WHEN PRESSED. GROUNDED - YES. CLEANED AND REINSTALLED BUTTON ON DFCS MCP PANEL REF B737-800 AMM 22-11-34-100-801.

Part: NONE — INOPERATIVE (FLIGHT COMPARTME) · airframe 49,291 hrs · 14,482 cycles

CAPTAINS COURSE WINDOW ON MPC FROZEN AT 150. GROUNDED - YES. REPLACED MCP REF B737-800 AMM 22-11-34/401.

Part: WINDOW — OVERHEATED (FLIGHT COMPARTME) · airframe 49,259 hrs · 14,471 cycles

SHORTLY AFTER LEVEL OFF AT FL330, R SIDE WINDOW OVERHEAT ANNUNCIATOR LIGHT ILLUMINATED. ALLOWED 5 MINUTES COOLING PER QRH, THEN LIGHT REILLUMINATED 4 MINUTES LATER. PROCEEDED WITH R SIDE WINDOW HEAT IN OFF POSITION FOR THE REMAINDER OF THE FLIGHT. GROUNDED - YES. REMOVED AND REPLACED R2 WINDOW B737-800 AMM 56-12-11-400-801.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 49,249 hrs · 14,469 cycles

RT FWD SIDE (R2) OVERHEAT LT ILLUMINATED UPON LANDING. GROUNDED - YES. PERFORMED WINDOW HEAT OPERATIONAL TEST IAW B737-800 AMM TASK 30-41-00-710-801 NO DEFECTS NOTED AT THIS TIME.

Part: CONTROL UNIT — FAULTY (E/E BAY, E4) · airframe 49,249 hrs · 14,469 cycles

R2 SIDE WINDOW OVERHEAT GROUNDED - YES. REMOVED AND REPLACED RIGHT SIDE WINDOW HEAT CONTROL UNIT IAW B737-800 AMM 30-41-11-000-801 AND AMM 30-41-11-400-801.

Part: OVERHEAT SENSOR — INTERMITTENT (UNKNOWN) · airframe 49,155 hrs · 14,432 cycles

R-SIDE WINDOW HEAT OVERHEAT. GROUNDED - YES. EXTINGUISHED AFTER RESET.

Part: COVER — DETACHED (UNKNOWN) · airframe 49,148 hrs · 14,430 cycles

F/A REPORTS L1 DOOER EMERGENCY LIGHT COVER FELL OFF. GROUNDED - YES. REPLACED L1 DOOR THERSHOLD LIGHT LENS PER B737-800 AMM 33-29-00.

Part: OVERHEAT — WARNING LIGHT (UNKNOWN) · airframe 49,106 hrs · 14,421 cycles

RIGHT SIDE WINDOW OVERHEAT LIGHT CAME ON. GROUNDED - YES. NOTED BY MAINTENANCE NO HISTORY FOR 30 DAYS.

Part: PROCESSOR — FAULTY (AREA FWD NLG WHL) · airframe 48,976 hrs · 14,377 cycles

THE CENTER TANK FUEL QUANTITY AND TOTALIZER BLANKED MULTIPLE TIMES DURING FLIGHT. GROUNDED - YES. AIR TURNBACK - REPLACED FUEL QUANTITY PROCESSOR UNIT REF. B737-800 AMM 28-41-81-400-801.

Part: INDICATOR — NO INDICATION (UNKNOWN) · airframe 48,969 hrs · 14,375 cycles

CENTER FUEL INDICATION WENT BLANK ALONG WITH FUEL TOTALIZER ON CENTER SCREEN. HAPPENED AT LEAST TWICE DURING CRUISE. GROUNDED - YES. FAULT MSG 28-41309, 28-41315 PERFORMED FQIS BITE REF B737-800 FIM 28-41 TASK 801. FOUND NO FAULT 28-41309 IN HISTORY, NO CURRENT FAULTS. RAN GROUND TEST PASSED. NO FAULTS NOTED. 28-41309 INTERMITTENT. NO 30 DAY HISTORY.

Part: BATTERY PACK — FAILED (MAIN PASSENGER C) · airframe 48,814 hrs · 14,342 cycles

ON WALKAROUND FOR EMERGENCY LIGHT CHECK, FOUND LIGHTS OUT AT SEATS 20C AND 23C, AND L/H AFT OVERWING EMERGENCY EXIT LIGHTS. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK OF M1670 REF B737-800 AMM 33-51-06-960-805. EMERGENCY LT OPS AT 20C, 23C, AND L/H AFT OVERWING EXIT NOW CHECK GOOD. ALL EMERGENCY LT'S OP CHECK GOOD.

Part: COUPLER — FAILED (VERTICAL FIN) · airframe 48,788 hrs · 14,335 cycles

# 1 HF RADIO FAILED AT CRUISE, WILL NOT TRANSIMIT. GROUNDED - YES. OBSERVED INTERMITTENT TRANSMIT. ACCOMPLISHED HF COMM BITE REF B737-800 FIM 23-11-00. NO FAULTS RETURNED. PER HISTORY AND OBSERVED INTERMITTENT TUNING AT MULTIPLE FREQUENCIES REPLACED #1 HF COUPLER REF B737-800 AMM 23-11-61. 2 EA CBS PULLED TAGGED AND RESET. INSTALLATION TEST GOOD. ETOPS GROUND VERIFICATION SUCCESSFUL ON MULTIPLE FREQUENCIES.

Part: GUIDE VANE — CRACKED (RIGHT WING) · airframe 48,798 hrs · 14,337 cycles

REF ASA T/C#78472022 #2 ENGINE SPECIAL DETAILED INSP (SDI)(BORESCOPE). FOUND MULTIPLE CRACKS ON STAGE 1 LPT NOZZLE GUIDE VANES ON SEGMENTS 2,4,11,12,13,14,15,19. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE. TRANSFERRED TO SHOP W/O 1916680.

Part: TRANSMITTER — LEAKING (#2 ENGINE) · airframe 48,798 hrs · 14,337 cycles

REF ASA T/C #78472022 #2 ENG SPECIAL DETAILED INSP.(SOI)(BORESCOPE). FOUND FUEL FLOW TRANSMITTER LEAKING. GROUNDED - YES. REMOVED AND REPLACED #2 ENG FUEL FLOW TRANSMITTER REF. B737-800 AMM 73-31-01. LEAK CHECK GOOD.

Part: SENSOR — FAULTY (FLIGHT DECK) · airframe 48,783 hrs · 14,333 cycles

RIGHT SIDE WINDOW OVERHEAT ON DESCENT LIGHT EXTINGUISHED WITH QRH. GROUNDED - YES. ACCOMPLISHED WHCU BITE REF B737-800 FIM 30-41 TASK 801. NO ACTIVE FAULTS. RECOVERED MULTIPLE RH WINDOW SENSOR FAULTS PREVIOUS FLT LEGS. ACCOMPLISHED FIM 30-41-811. SWAPPED WINDOW SENSOR LEAD TO SPARE SENSOR LOCATION. WHCU BITE GOOD. WHCU OP CHK GOOD REF B737-800 AMM 30-41-00. ETOPS GROUND VERIFICATION SUCCESSFUL.

Part: TRANSCEIVER — INOPERATIVE (E/E RACK E8) · airframe 48,783 hrs · 14,333 cycles

HF 1 RADIO RECEIVE ONLY. UNABLE TO TRANSMIT. GROUNDED - YES. #1 HF WOULD NOT TEST. REMOVED AND REPLACED # 1 HF TRANSCEIVER PER B737-800 AMM 23-11-21. HF 1 TRANSMITS BUT RECEIVES GARBLED. FLIGHT VERIFICATION SUCCESSFUL, #1 AND #2 HF TRANSMIT/ RECEIVE NORMAL.

Part: OVERHEAT — WARNING LIGHT (UNKNOWN) · airframe 48,770 hrs · 14,330 cycles

RIGHT SIDE WINDOW OVERHEAT CAUTION LIGHT ILLUMINATED INFLIGHT (FL 350, SAT -49C. GROUNDED - YES. FOLLOWED QRH PROCEDURES FOR RESET. LIGHT REMAINED EXTINGUISHED.

Part: LAMP — INOPERATIVE (LEFT AFT OVERWIN) · airframe 48,512 hrs · 14,250 cycles

DURING WALK AROUND INSPECTION FOUND OVER WING EMERGENCY LIGHT INOP LEFT SIDE. GROUNDED - YES. RELAMPED LEFT AFT OVERWING EMERGENCY EXIT DOOR LIGHT REF B737-800 AMM 33-51-04. OPS CHECK GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 48,087 hrs · 14,138 cycles

ZONE TEMP 'CONT CABIN' LIGHT ILLUMINATES ON RECALL & EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED CABIN TEMP CONTROLLER BITE PER B737-800 FIM 21-61-00-810-801.#2 CONTROLLER LOGGED FLIGHT DECK TRIM VALVE FAULT. RESET ON "VERIFY TEST" FAULT CLEARED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 47,301 hrs · 13,932 cycles

WEATHER RADAR RT CIRCUIT BREAKER POPPED. GROUNDED - YES. RESET WEATHER RADAR RT. C/B D-13-P6-1 PANEL PER B737-800 AMM 20-60-05. C/B REMAINS CLOSED. PERFORMED WXR SYSTEM TEST PER AMM 34-43-00. OPS CHECKED GOOD. GROUND VERIFICATION COMPLIED WITH.

Part: SNUBBER — INOPERATIVE (L1 DOOR) · airframe 46,920 hrs · 13,824 cycles

L-1 DOOR IS HARD TO CLOSE. GROUNDED - YES. REMOVED AND REPLACED L-1 DOOR SNUBBER IAW B737-800 AMM 52-11-51OPS CHECK GOOD NO FURTHER DEFECTS NOTED.

Part: PROCESSING UNIT — FAULTED (FUEL QTY) · airframe 46,614 hrs · 13,740 cycles

CENTER TANK FUEL IS EMPTY FOR THIS FLIGHT. ON TAXI OUT, GOT FMC MESSAGE VERIFY FUEL AND GROSS WEIGHT ON TAXI OUT CENTER TANK QUANTITY INDICATOR BLANKED, JUST BEFORE RETURNING TO GATE, CENTER TANK QUANTITY INDICATOR RETURNED. GROUNDED - YES. REMOVED FUEL QTY PROCESSOR PER B737-800 AMM 28-41-81-000-801. INSTALLED FUEL QTY PROCESSOR UNIT PER AMM 28-41-81-400-801. PERFORMED FUEL QUANTITY IND SYS OPS TEST PER AMM 28-41-00-710-801 OPS TEST PASSED WITH NO FAULTS.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 46,579 hrs · 13,732 cycles

REF T/C NG-21EA-23228-1, #1 PACK ZONE TEMP CONROLLER LOGGED "ZONE" TRIM VALVE FAULT DURING BITE TEST. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 21-62 TASK 801, FAULT CLEARED.

Part: PROCESSOR — FAILED (RADAR BAY) · airframe 46,434 hrs · 13,696 cycles

LEFT FUEL TANK QTY INOP - BLANK DISPLAY. GROUNDED - YES. TROUBLESHOT TO BAD FQIS COMPUTER, REF B737-800 FIM 28-41 TASK 810. REPLACED FQIS COMPUTER IAW B737-800 AMM 28-41-81. OPS TEST GOOD. LH FUEL TANK QTY RETURNED TO NORMAL. ETOPS GROUND VERIFICATION SUCCESSFUL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 46,382 hrs · 13,683 cycles

HF #1 SHOWS FAIL MESSAGE. GROUNDED - YES. CYCLED 4 CIRCUIT BREAKERS ASSOCIATED WITH HF SYSTEM. OPS CKS GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 46,284 hrs · 13,662 cycles

FLIGHT ATTENDANT REPORTS L1 DOOR HARD TO OPEN AND CLOSE. GROUNDED - YES. OPEN AND CLOSED DOOR FROM INSIDE AND OUTSIDE, NO DEFECTS NOTED .NO HISTORY 90 DAYS. LUBED GUIDE PLATES AS PRECAUTIONARY OPS CHECK GOOD REF B737-800 AMM 52-11-00.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 46,220 hrs · 13,646 cycles

HF #2 INDICATES "FAIL FAIL" ON ACTIVE AND STBY WINDOWS. GROUNDED - YES. ACCOMPLISHED RESET HF #2 OPS CK GOOD IAW B737-800 FIM 23-11-806 SEAMC JOEY NOTIFIED.

Part: LENS — NONE (L1 DOOR) · airframe 45,839 hrs · 13,530 cycles

FLIGHT ATTENDANT REPORTS THAT THE EMERGENCY LIGHT COVER BY THE L1 DOOR BROKE AND FELL OFF. GROUNDED - YES. INSTALLED EMERGENCY LIGHT LENS PER B737-800 AMM 33-51-01 OPS CHECK GOOD.

Part: LENS — BROKEN (EMERGENCY SIGN) · airframe 45,755 hrs · 13,499 cycles

L/H EMERGENCY EXIT LT COVER @16A BROKEN. GROUNDED - YES. 16-A REPLACED L/H LOWER EMERGENCY LT & COVER -OPS CK OK.

Part: COVER — MISSING (EMERGENCY LIGHTS) · airframe 45,550 hrs · 13,439 cycles

FAS NOTIFED US OF A MISSING COVER FOR THE EXIT SIGN ON THE WALL IN ROW 17 DEF. GROUNDED - YES. COMPLETED FERRY FLIGHT CLEARS MCT. CN# 16012519 SEAMC JEREMY NOTIFIED.

Part: WINDOW — FAULTED (COCKPIT) · airframe 45,538 hrs · 13,435 cycles

LEFT FORWARD WINDOW HEAT INDICATED AN OVERHEAT. GROUNDED - YES. PERFORMED T/S PER B737-800 FIM 30-41 TASK 812, FOUND PRIMARY SENSOR OPEN AND SPARE SENSOR OUT OF RESISTANCE LIMITS. REQUIRES L1 WINDOW CHANGE. OLD WINDOW WAS AN H12 NEW WINDOW IS AN H11. MOVED TAP FROM TERM 2 TO TERM 3 REF MM 30-41-21-000-801. REMOVED AND REPLACED LEFT WINDOW (L1 WINDOW) UP TO STEP G 14B BONDING CHECK HAD RESISTANCE GREATER THAN 1 OHM. REFD B737-800 AMM 56-11-11 23455 08/15/2021. ACCOMPLISHED STEPS H-2 THROUGH H6 REF AMM 56-11-11-400-801. ACCOMPLISHED STEPS H-2 THROUGH TO I REF AMM 56-11-11-400-801 THIS CLEARS MEL 30-11D PLACARD REMOVED.

Part: SENSOR — FAULTED (L1 WINDOW) · airframe 45,496 hrs · 13,425 cycles

L1 WINDOW OVERHEAT, NOT IN SUNLIGHT. GROUNDED - YES. HARD FAIL PRESENT. WINDOW HEAT CONT LOGS SEVERAL WINDOW SENSOR FAULTS. SWITCHED TO SPARE SENSOR, FAULT CLEARED AND SYS OPS CKS NML PER B737-800 AMM 30-41-00, GND VERIFICATION SUCCESSFUL.

Part: ACTUATOR — LEAKING (NR 2 ENG VSV) · airframe 44,912 hrs · 13,251 cycles

#2 ENG VSV (LEFT) DRAIN DRIPS FUEL AFTER ENGINE SHUT DOWN. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE LH VSV ACTUATOR PER B737-800 AMM 75-31-01. LEAK AND OPS CHECK GOOD. INSTALLATION TEST PASSED.

Part: VALVE — LEAKING (NR 2 ENG FUEL) · airframe 44,912 hrs · 13,251 cycles

#2 ENG FUEL LEAK AFTER SHUTDOWN. GROUNDED - YES. #2 ENG. RAN ENGINE AT IDLE, FOUND HPTACC VALVE DRAIN DRIPPING AFTER SHUTDOWN. REMOVED AND REPLACED #2 ENGINE HPTACC VALVE. OP CHECK GOOD, NO LEAKS NOTED, REF B37-800 AMM 75-21-01.

Part: PRESSURE SWITCH — FAULTED (HYD SYSTEM) · airframe 44,452 hrs · 13,138 cycles

AP A WILL NOT ENGAGE AND A+B WILL ONLY ENGAGE FOR 10 SEC. GROUNDED - YES. PERFORMED DFCS BITE REF B737-800 FIM 22-11 TASK 801. FOUND FAULTS 22-11127,22-11535. REF FIM 2213 TASK 806 REQUIRES REPLACEMENT OF PRESSURE SWITCH S771. REMOVED AND REPLACED HYDRAULIC PRESSURE SWITCH REF B737-800 AMM 22-11-40-400-801. COMPLETED OPS TEST FROM STEP H REF AMM 22-11-40-400-801. ALL TEST PASS.

Part: TRANSCEIVER — FAULTED (WX RADAR SYS) · airframe 44,445 hrs · 13,133 cycles

F/O SIDE WEATHER RADAR APPEARS TO POINT DOWN EXCESSIVELY SHOWING EXTREME GROUND CLUTTER, WHEN IN AUTO MODE. GROUNDED - YES. ACCOMPLISHED WXR BITE REF B737-800 FIM 34-43 TASK 801. UNABLE TO DUPLICATE DEFECT. PRECAUTIONARY REPLACED WXR TRANSCEIVER REF B737-800 AMM 34-43-41. OPS NORMAL.

Part: CONNECTOR — CORRODED (AUTOPILOT) · airframe 44,436 hrs · 13,130 cycles

DURING T/S OF 'B' AUTOPILOT ELEVATOR ACTUATOR FOUND CORROSION ON 'A' ELEVATOR AUTOPILOT ACTUATOR. CONNECTOR #. GROUNDED - YES. REMOVED AUTOPILOT ELEVATOR ACTUATOR "A" REF B737-800 AMM 22-11-26-00-801. INSTALLED NEW "A" AUTOPILOT ACTUATOR. LEAK CHECK OK. REF AMM 22-11-26-400-801 AND AMM 27-31-00-840-802. COMPLETED ALL TESTING OF THE A CHANNEL ELEVATOR AUTOPILOT ACTUATOR PER AMM 22-11-26/401. ALL TESTS NORMAL.

Part: ACTUATOR — FAULTED (AUTOPILOT SYS) · airframe 44,436 hrs · 13,130 cycles

DURING ELEV FEEL COMP TEST - FAILED ELEV DUAL AUTHORITY TEST 51.27 - B CHANNEL OUT OF LIMITS. GROUNDED - YES. DID TEST OF "B" ELEV A/P ACT REF B737-800 AMM 22-11-26-820-801. A AND B WITHIN LIMITS AT 2.01. THEN RAN DUAL AUTHORITY TEST REF AMM 22-11-00-820-816 - STILL FAILS 51.27 TEST A -2.10 AND B -1.91. SUSPECT BAD "B" ELE A/P ACTUATOR. REMOVED AUTOPILOT ELEVATOR ACTUATOR "B" REF AMM 22-11-26-000-801 AND AMM 27-31-00-800-802. INSTALLED NEW "B" AUTOPILOT ACTUATOR. LEAK CHECK OK. REF AMM 27-31-00-840-802, AMM 22-11-26-400-801. COMPLETED ALL TESTING OF THE B CHANNEL ELEVATOR A/P ACTUATOR PER AMM 22-11-26/401. ALL TESTS NORMAL. TEST 51.27 NOW PASSES.

Part: SPRING — BROKEN (ELEVATOR) · airframe 44,435 hrs · 13,129 cycles

FLIGHT CONTROLS BEHAVING HYPER SENSITIVE AND DO NOT PROVIDE THE NORMAL FEEDBACK PRESSURE. ON TAKEOFF MY NORMAL FLIGHT CONTROL PRESSURE CAUSED A HIGH RATE OF ROTATION THAT WAS EVEN NOTICED BY THE NON-FLYING PILOT. DURING ALL PHASES OF FLIGHT THE CONTROLS FELT MUCH TOO LIGHT AND CAUSED EXCESSIVE AIRCRAFT ROLL/PITCH CHANGES FOR THE GIVEN INPUTS. DURING CONFIGURATION FOR LANDING AFTER SELECTION OF OF FLAPS 1 WE EXPERIENCED AN AIRCRAFT ROLL LEFT THEN RIGHT BUT DID NOT NOTICE ABNORMAL FLAP INDICATIONS. ON LANDING MY NORMAL PITCH CONTROL TO SET THE NOSE DOWN CAUSED FULL AFT YOKE MOVEMENT TO THE STOP BUT I DID NOT FEEL THE NORMAL CONTROL FEEDBACK. GROUNDED - YES. FOUND ELEVATOR FEEL/CENTERING OUTER SPRING BROKEN. REPLACED ELEVATOR FEEL/CENTERING OUTER AND INNER SPRINGS. OPS CHECK OK. REF B737-800 AMM 27-31-64-400-802. ADJUSTED AILERON FEEL AND CENTERING UNIT PER AMM 27-11-00-820-804. CONTROL WHEEL FORCE CHECKS GOOD PER AMM 27-11-00-700-805.

Part: RADAR — MALFUNCTIONED (WX SYSTEM) · airframe 44,420 hrs · 13,123 cycles

WX RADAR DISPLAY DOES NOT WORK IN AUTO ON FO SIDE. GROUNDED - YES. PERFORMED WEATHER RADAR OPERATIONAL TEST AND SYSTEM TEST PER B737-800 AMM 34-43-00 W/ NO DEFECTS. OBSERVED CORRECT MANUAL AND AUTOMATIC TILT FUNCTION REGARDLESS OF SYSTEM SIDE USED OR DISPLAY SOURCE USED.

Part: INDICATOR — MALFUNCTIONED (FUEL QTY) · airframe 44,366 hrs · 13,110 cycles

RT FUEL QTY INDICATION AND TOTALIZER BLACKED FOR ONE MINUTE FOR EACH OCCURRENCE FOUR OCCURENCES. GROUNDED - YES. PERFORMED FQIS BITE PER B737-800 FIM 28-41 TASK 801. NO DEFECTS/ FAULTS NOTED. COMPARED F/D FUEL INDICATION WITH REFUELING STATION NO DISCREPANCIES NOTED. A/C OK FOR SERVICE.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 44,030 hrs · 13,015 cycles

WHILE INFLIGHT VTK FOLLOWED MAP ON CPTS ND RAN QRH FMC FAIL RH FMC WORKED NORMALLY NORMAL "FMC" SWITCH TO BOTH ON 2 CONTINUED FLIGHT UNEVENTFULLY. GROUNDED - YES. PERFORMED B737-800 FIM 34-61-00-810-801 AND 3-61-00-810-836. OPS CHECK GOOD. TEST PASSED. NO FUALTS FOUND. OK FOR SERVICE.

Part: STOP FITTING — OUT OF TOLERANCE (PAX DOOR) · airframe 43,920 hrs · 12,980 cycles

AFTER TAKEOFF AT ABOUT 1500' "AFT ENTRY" DOOR LIGHT ILLUMINATED. FA'S REPORT DOOR HANDLE KEEPS POPPING BACK UP. TRIED SEVERAL TIMES. PRESSURIZATION APPEARED NORMAL. GROUNDED - YES. AIR TURN BACK. DIVERSION TIME 5 MINUTES - DURING TROUBLE SHOOTING FOUND BOTH L2 AND R2 DOORS SOFT UNLATCHING DURING PRESSURIZATION, AFTER FURTHER INVESTIGATION FOUND DOOR STOPS OUT OF TOLERANCE ON BOTH DOORS. ADJUSTED L2 DOOR STOPS REF B737-800 AMM 52-13-00 OPS NORMAL REF AMM 52-13-00. ADJUSTED R2 DOOR STOPS REF AMM 52-41-00 OPS NORMAL REF AMM 52-41-00. PRESSURIZED A/C REF AMM 05-51-91. BOTH L2 AND R2 DOORS OPS NORMAL. REF AMM 52-13-00 FOR L2 REF AMM 52-41-00 FOR R2 DOOR.

Part: CONTROL PANEL — FAULTED (MODE CONTROL) · airframe 43,905 hrs · 12,975 cycles

HEADING SELECT KNOB DOESN'T CHANGE THE HEADING BUG. IT IS STUCK ON NR 274. GROUNDED - YES. REMOVED AND REPLACED DFCS MODE CONTROL PANEL REF B737-800 AMM 22-11-34, PERFORMED MCP INSTALLATION TEST REF AMM 22-11-34, NO FAULTS NOTED.

Part: START VALVE — FAILED (NR 2 ENGINE) · airframe 43,908 hrs · 12,977 cycles

NUMBER 2 ENG START SWITCH DOES NOT STAY ENGAGED IN GRD AND NO ROTATION. GROUNDED - YES. B737-800 FIM 80-07 TASK 806, OPENED NR 2 ENGINE COWL. DISCONNECTED CANNON PLUG FROM START VALVE CB NOW STAYS IN AND START SWITCH STAYS IN GROUND POSITION. RECONNECT CANNON PLUG TO START VALVE AND WHEN START SWITCH PLACED TO GROUND START VALVE CB IMMEDIATELY POPS. REMOVED AND REPLACED NR 2 ENGINE START VALVE, LEAK AND OPS CK NORMAL. REF B737-800 AMM 80-11-03. GROUND VERIFICATION CHECK GOOD.

Part: MODULATING VALVE — INOPERATIVE (LT A/C PACK) · airframe 43,878 hrs · 12,966 cycles

ON MASTER RECALL AFTER START CHECKLIST CONT CABIN ZONE TEMP LIGHT ILLUMINATED AND RESET AFTER MASTER CAUTION RESET. GROUNDED-YES. REMOVED AND REPLACED CONT CABIN ZONE TRIM VALVE, IAW B737-800 AMM 21-61-21. OPERATIONS AND LEAK CHECK GOOD.

Part: WIRE HARNESS — BROKEN (NR 1 FIRE LOOP) · airframe 43,751 hrs · 12,915 cycles

TECH SERVICE REQUEST. FOLLOW UP TO RECENT REPORT OF NR 1 ENGINE A FIRE LOOP INOPERABLE, REF LOG PG 60007994. GROUNDED-YES. PER B737-800 FIM 26-10 TASK 805. INITIAL EVALUATION. ENGINE FIRE DET OPERATIONS TEST PASS. FIRE DET MODULE BITE TEST PASS. ACCOMPLISHED DVI OF NR 1 ENGINE CORE FIRE HARNESSES. FOUND TERMINAL LUG ON HARNESS MW0325, ENGINE CORE RIGHT, A TERMINAL, HOLDING ON BY ONLY A COUPLE WIRE STRANDS. HARNESS IS P/N 325-027-506-0. REPAIRED TERMINAL LUG, IAW B737-800 AMM 26-11-02-960-802. ENGINE FIRE DET OPERATIONS TEST PASS. FIRE DET MODULE BITE TEST PASS. GROUND VERIFICATION SUCCESSFUL.

Part: OIL FILTER — CLOGGED (APU) · airframe 43,751 hrs · 12,914 cycles

DURING INSPECTION OF APU FOUND OIL FILTER INDICATOR EXTENDED AND WILL NOT RESET. GROUNDED-YES. REMOVED AND INSPECTED BOTH LUBE FILTERS, NO DEBRIS FOUND. REMOVED AND REPLACED OIL FILTER INDICATOR AND LUBE FILTER ELEMENT, PER B737-800 AMM 49-91-13 AND 49-91-12. LEAKS CHECKS GOOD AND OPERATIONS TEST GOOD/ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.

Part: SPACER — DEBONDED (NR 2 ENG FAN) · airframe 43,705 hrs · 12,903 cycles

WHILE ACCOMPLISHING T/C 78472010 NR 2 ENGINE FOUND 3 FAN BLADE SPACERS DEBONDING ELASTOMER MATERAL. GROUNDED-YES. REMOVED AND REPLACED THE 3 EA FAN BLADE SPACERS NR 2, NR 9 , AND NR 18, REF T/C 78472010 ON NR 2 ENGINE.

Part: TERMINAL — LOOSE (NR 1 FIRE DETECT) · airframe 43,263 hrs · 12,792 cycles

AS REQUESTED FOLLOW-UP TO REPORT OF NR 1 ENGINE FAULT LIGHT ON FIRE/OH TEST. GROUNDED-YES. ACCOMPLISHED INSPECTION OF NR 1 ENGINE FIRE/OH DETECTORS LOOPS A AND B CONNECTIONS, PER TSR710220. FOUND TWO TERMINALS LOOSE ON HARNESS FOR THE CORE UPPER RIGHT AND CORE UPPER LEFT DETECTORS. REPLACED CORE DETECTOR HARNESS P/N 325-027-606-0 FOR NR 1 ENGINE. OPERATIONAL TEST PASSES, REF B737-800 AMM 26-11-02-400-802 AND AMM 26-11-00-710-801.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT FUEL) · airframe 43,220 hrs · 12,774 cycles

AFTER ENGINE START CONT CAB ZONE TEMP LIGHT ILLUMINATED WITH MASTER RECALL RESETS OKAY, NO OVERHEAT INDICATED. GROUNDED-YES. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST NO CURRENT FAULTS, FOUND FAULT IN HISTORY FOR TRIM VALVE/FLIGHT DECK ON NR 2 CONTROLLER, REF B737-800 AMM 21-61-00--700-806-002. OPERATIONS CHECK GOOD.

Part: PRESSURE SWITCH — FAULTY (FUEL SYSTEM) · airframe 43,018 hrs · 12,714 cycles

LEFT CENTER FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. GROUNDED-YES. REF B737-800 FIM 28-22 TASK 801, COULD NOT DUPLICATE FAULT. OPS TESTS NORMAL. AS A PRECAUTION, REMOVED AND REPLACED CENTER TANK LEFT BOOST PUMP RELAY, REF B737-800 AMM 28-22-18/401 AND CENTER TANK LEFT BOOST PUMP LOW PRESSURE SWITCH, REF AMM 28-42-11/401. OPS TESTS NORMAL. GROUND VERIFICATION GOOD.

Part: VALVE — FAILED (#2 ENGINE) · airframe 42,997 hrs · 12,698 cycles

ABORTED TAKEOFF AT 70 KTS DUE NR 2 COWL ANTI-ICE CAUTION LIGHT. LIGHT EXTINGUISHED WHEN THRUST REDUCED TO IDLE. GROUNDED-YES. REMOVED & REPLACED ENGINE COWL TAI VALVE, REF B737-800 AMM 30-21-11 & ENGINE ANTI-ICE PRESSURE SENSOR REF B737-800 AMM 30-21-21. LEAK CHECK CW, NO LEAK NOTED, OP CHECK GOOD.

Part: SENSOR — SHORTED (APU) · airframe 42,549 hrs · 12,564 cycles

APU FAILURE TO START. FAULT MESSAGE INLET TEMP SENSOR SHOWS SHORT. GROUNDED - YES. REMOVED AND REPLACED APU INLET TEMP SENSOR PER AMM 49-61-31. OPS TEST NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 42,549 hrs · 12,564 cycles

RT EMERGENCY EXIT LIGHTS GO OUT IMMEDIATELLY AFTER LIGHTS ARE TURNED ON. GROUNDED - YES. REPLACED BATTERY PACK PER AMM 33-51-06-960-805. OPS CHECKED GOOD.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 42,533 hrs · 12,559 cycles

AFTER START, RECALL SHOWS ZONE TEMP LIGHT. LIGHT DISTINGUISHED ON RESET. GROUNDED - YES. ACCOMPLISHED #2 PACK TEMP CONTROL BITE, LOGGED: TRIM VALVE, FLT DECK . FAULT CLEARED, REF B737-800 FIM 21-62 TASK 801. ACCOMPLISHED CONTROL CABIN AUTO TEMP CONTROL FIM 21-61 TASK 861, OPS NML.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 41,988 hrs · 12,430 cycles

LEFT PACK ON WITH RECALL EXTINGUISHES ON RESET. GROUNDED - YES. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST REF 737-800 AMM 21-61-00 FOUND PREVIOUS LEFT PACK TCV FAULT, CLEARS AFTER RESET. GROUND VERIFICATION SUCCESSFUL.

Part: BATTERY PACK — FAILED (EMERGENCY LIGHTS) · airframe 41,893 hrs · 12,404 cycles

REF T/C 78233001AFT LH EMERGENCY EXIT LIGHTS FAILED AFTER RECHARGE. GROUNDED - YES. REMOVED AND REPLACED AFT LH POWER SUPPLY BATTERY PACK IAW B737-800 AMM 33-51-06-960-805. GROUND VERIFICATION TEST IS GOOD.

Part: DISPLAY — INOPERATIVE (NR 2) · airframe 41,864 hrs · 12,397 cycles

#2 MCDU HAS TWO VERTICAL LINES. GROUNDED - YES. REMOVED AND REPLACED #2 MCDU REF B737-800 AMM 34-61-01-000/400-802. ALL GROUND VERIFICATION TESTS PASS.

Part: SLIDING WINDOW — MALFUNCTIONED (FLIGHT DECK) · airframe 41,714 hrs · 12,358 cycles

LEFT SIDE WINDOW HEAT OVERHEAT LIGHT CAME ON. RAN QRH - AFTER 2 MINUTES WITH WINDOW OFF - TURNED IT BACK ON. 27 MINUTES LATER SAME OVERHEAT LIGHT ILLUMINATED. SWITCH WAS TURNED OFF FOR THE REMAINDER OF THE FLIGHT AND AIRSPEED RESTRICTIONS WERE REVIEWED. GROUNDED - YES. REMOVED AND REPLACED L-2 SLIDING WINDOW, LEAK AND OP'S CHECKS GOOD REF B737-800 AMM 56-12-11. WINDOW CODE IS H16. CONFIRMED TERMINAL TB5016 TAP IS ON #1. OP TEST IS GOOD PER AMM TASK 30-41-00-710-801. WHCU TEST GOOD PER AMM TASK 30-41-11-710-801.

Part: WARNING MESSAGE — FALSE ACTIVATION (WINDOW HEAT) · airframe 41,635 hrs · 12,342 cycles

35 MINS INTO FLIGHT, FL350, -39C OAT- "L SIDE WINDOW" "OVERHEAT" LIGHT ON. QRH P6 3.5, OFF FOR 5 MINUTES, SWITCH ON - LT ON AGAIN. SWITCHED OFF REMAINDER OF FLIGHT. GROUNDED - YES. PER B737-800 FIM 30-41 TASK 809 WHCU BITE PASSES. HAS SENSOR FAULT IN HISTORY. WINDOW HEATER RESISTANCE CHECK GOOD. WINDOW SENSOR LUGS FOUND LOOSE. CLEANED AND REATTACHED L2 WINDOW SENSOR TERMINALS. PER FIM 30-41 TASK 811. WINDOW SENSOR PRIMARY TAP RESISTANCE CHECK GOOD AT 312 OHMS. THE BACKUP TAP (NOT IN USE) ALREADY TESTS BAD. CONNECTION LEFT ON PRIMARY TAP. WHCU BITE TEST GOOD. WINDOW HEAT SYSTEM OPS TEST GOOD. FAULTS RESET.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 41,512 hrs · 12,305 cycles

LEFT SIDE WINDOW HEAT OVERHEAT LT ILLUMINATED AT CRUISE. GROUNDED - YES. RAN QRH & LT EXTINGUISHED & REMAINED SO FOR THE DURATION OF THE FLIGHT.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 41,517 hrs · 12,306 cycles

LEFT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED IN FLIGHT AND THEN REILLUMINATED AFTER A 5 MINUTE COOL DOWN. GROUNDED - YES. PERFORMED BITE LEFT SIDE WHCU IAW FIM 30-41 TASK 801. NO CURRENT FAULTS ON BITE, AND WINDOW SENSOR FAULT IN HISTORY. REMOVED AND REPLACED LEFT SIDE WHCU PRECAUTIONARY IAW AMM 30-41-11. OPS CKS GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (WINDOW HEAT) · airframe 41,356 hrs · 12,267 cycles

CAPTAIN LEFT SIDE WINDOW HEAT OVER HEAT ILLUMINATED AT CRUISE FL340, RAN QRH WITH SWITCH OFF THEN BACK ON. OPS NORMAL. GROUNDED - YES. GROUND FUNCTIONAL CHECK GOOD IAW B737-800 AMM 30-41-11.

Part: WARNING LIGHT — FALSE ACTIVATION (WINDOW OVERHEAT) · airframe 41,172 hrs · 12,219 cycles

LEFT SIDE WINDOWS HEAT OVERHEAT LIGHT ILLUMINATED UPON LANDING. GROUNDED - YES. PERFORMED WINDOW HEAT CONT SYS TEST PER B737-800 AMM 30-41-11 ALL TESTS PASSED WITH NO FAULTS FOUND.

Part: SHUTOFF VALVE — INOPERATIVE (APU FUEL) · airframe 41,140 hrs · 12,209 cycles

APU FAULT LT ILLUMINATED A FEW MINUTES AFTER SHUTTING APU OFF. GROUNDED - YES. ACCOMPLISHED BITE CK ON APU REF B737-800 FIM 49-60 TASK 801. MAINT MESSAGE 49-31001 APU FUEL VALVE SHUTDOWN DISPLAYED. FOLLOWED FIM 49-30 TASK 801. APU FUEL VALVE FAILED IN OPEN OR "ON" POSITION. RELEASED PER MEL 28-4B. APU FUEL VALVE INOP.REMOVED AND REPLACED APU FUEL SHUTOFF VALVE ACTUATOR REF B737-800 AMM TASK 28-25-02-400-801 PER PRIOR TROUBLESHOOTING. OPS CHECK GOOD. ETOPS GROUND VERIFICATION SUCCESSFUL. THIS CLEARS MEL 28-4B.

Part: ACTUATOR — OUT OF LIMITS (NR 1 V/STATOR) · airframe 41,103 hrs · 12,200 cycles

WHILE PERFORMING T/C 78273000 FOUND FAULT CODE 75-30401 VSV POSITION SIGNALS DISAGREE SHORT TIME FAULT DEFERRED PER T/C 78273000. GROUNDED - YES. ACCOMPLISHED T/C 78273000 FAULT MSG 75-30401 (THE VSV POSITION SIGNALS DISAGREE) IS NO LONGER ACTIVE, FAULT CODE 75-10391 IS ACTIVE (VSV POSITION SIGNAL IS OUT OF RANGE ) REF LOG PAGE 12106108. PERFORMED B737-800 FIM 75-31 TASK 804 AND FIM 75-31 TASK 803, RESISTANCE CHECKS ARE GOOD ACTUATOR TEST IS GOOD, EEC TEST IS GOOD. FAULT 75-10391 IS ACTIVE ON EVERY LEG. REMOVED AND REPLACED #1 ENGINE RIGHT HAND VSV ACTUATOR REF B737-800 AMM 75-31-01 / 801-F00. OPS AND LEAK TEST GOOD , NO FAULTS FOUND. GROUND VERIFICATION COMPLETED.

Part: GFI — OPEN (FUEL SYSTEM) · airframe 40,752 hrs · 12,088 cycles

LEFT FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED, RAN QRH FOR FUEL PUMP LOW PRESSURE LIGHT. QRH ACCOMPLISHED. GROUNDED - YES. T/S PER B737-800 FIM 28-22 TASK 801 . FOUND GFI R54 OPEN. RESET R54. XFERED FUEL TO CTR TANK. SUCCESSFULLY XFERRED FUEL OUT WITH BOTH CTR TANK PUMPS OPERATING. GVI OF BOOST PUMP CONNECTOR AND MOUNTING AREA SHOW NO DEFECTS. DUE TO R54 GFI FOUND OPEN, PERFORMED FUEL BOOST PUMP INSULATION RESISTANCE TEST REF B737-800 AMM 28-22-00-760-802. ALL ELECTRICAL VALUES ARE WITHIN LIMITS. THIS MTX ACTION CLEARS MEL'S 28-2E AND 28-3F.

Part: UNKNOWN — MALFUNCTIONED (HF COMM) · airframe 40,715 hrs · 12,076 cycles

HF RADIOS ARE NOT TRANSMITTING. GROUNDED - YES. REF L/P 12139150 FOR FLIGHT CREWS VERIFIED BOTH HF RADIOS OPERATE NORMALLY. BOTH HF RADIOS COMMUNICATION TEST OK PER B737-800 AMM TASK 23-11-00-730-801. REMOVED MEL 23-11C.

Part: VALVE — OVERHEATED (LT A/C BAY) · airframe 40,486 hrs · 12,022 cycles

ZONE TEMP FLT DECK (CONT CAB) ILLUMINATED ON RECALL, EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. CONFIRMED FAULT, "CONT CAB" ZONE TEMP LIGHT COMES ON EVERYTIME, RECALL PRESSED. R/H PACK/ZONE TEMP CONTROLLER SHOWS HARD FAIL "FLT DECK TCV" (V143). GVI V143, SHOWS OVERHEATING. L/H SIDE OK. REMOVED & REPLACED "FLT DECK TCV" REF B737-800 AMM 21-61-21. ACCOMPLISHED R/H PACK/ZONE TEMP CONTROLLER BITE REF AMM 21-61-00-700-806-002, LK CK & OPS CK NML.

Part: SATCOM — LOCKED (COCKPIT) · airframe 40,351 hrs · 11,992 cycles

SATCOM LOCKUP. GROUNDED - YES. ACCOMPLISHED RESET PROCEDURE PER QRH. SATCOM RESTORED NORMAL.

Part: INDICATOR — INOPERATIVE (FUEL QTY) · airframe 39,927 hrs · 11,885 cycles

REFUELING CENTR TANK QTY INDICATOR INOP. GROUNDED - YES. REMOVED AND REPLACED REFUELING CENTER TANK QTY INDICATOR. REF B737-800 AMM 28-41-61 OPS CHECK GOOD.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 39,737 hrs · 11,825 cycles

DURING PREFLIGHT AT GATE LEFT PACK LIGHT ILLUMINATED. RAN QRH CHECKLIST AND PACK LIGHT EXTINGUISHED AFTER PRESSING TRIP RESET. PACK RESUMED NORMAL OPERATIONS. GROUNDED - YES. PERFORMED FIM 21-53 TASK 803 INTIAL EVAL PACK LIGHT RESET AND REMAINS OUT DETERMINED TO BE INTERMITTENT FAULT. OKAY FOR SERVICE.

Part: DIFFUSER — FAILED (AC BAY) · airframe 39,737 hrs · 11,825 cycles

LEFT PACK LIGHT ILLUMINATED ON T/O ROLL AT 100 KIAS. AFTER T/O, PERFORMED QRH CHECKLIST. PACK RESET OK. GROUNDED - YES. FOUND LT PLENUM FAN BYPASS CHECK VALVE AND HINGE PIN MISSING REF AMM 21-51-03. REMOVED AND REPLACED LT PLENUM DIFFUSER ASSEMBLY. REF AMM 21-51-03. OP CHECK GOOD. NO LEAKS FOUND.

Part: CHECK VALVE — MISSING (AC BAY) · airframe 39,719 hrs · 11,818 cycles

LEFT AMBER PACK LIGHT ILLUMINATED ON TAKE OFF ROLL AT 100KTS, AFTER TAKE OFF, QRH RUN. PACK RESET OK. GROUNDED - YES. PERFORMED MULTIPLE PZTC BITES OF LT AND RT PZTC REF FIM 21-62 TASK 801 WITH NO FAULTS FOUND. PERFORMED GVI OF LT RAM AIR SYSTEM AND HEAT EXCHANGERS WITH NO DEFECTS NOTED. WHILE PERFORMING STEP 3, FOUND LT PLENUM FAN BYPASS CHECK VALVE AND HINGE PIN MISSING REF AMM 21-51-03. REMOVED AND REPLACED LT PLENUM DIFFUSER ASSEMBLY. REF AMM 21-51-03. OP CHECK GOOD. NO LEAKS FOUND.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 39,714 hrs · 11,816 cycles

LEFT PACK LIGHT ILLUMINATED ON TAKEOFF ROLL AT APPROXIMATELY 130 KTS. RAN QRH PROCEDURE THE LIGHT EXTINGUISHED. GROUNDED - YES. PERFORMED TEMP CONTROL BITE REF FIM 21 62 TASK 801 AND 21-52 TASK 817 ON RECALL PACK LIGHT REMAINS EXTINGUISHED. GROUND VERIFICATION COMPLETE.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 39,703 hrs · 11,814 cycles

LEFT PACK LIGHT ILLLUMINATED AFTER T/O. PACK RESET WITH QRH. OPS NORMAL. GROUNDED - YES. PREFORMED PACK/ZONE TEMP CONTROLLER BITE TEST REF AMM 21-61-00. GROUND VERIFIED. OPS CHECK GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (COCKPIT) · airframe 39,553 hrs · 11,772 cycles

VTK MESSAGE ON CA ND. GROUNDED - YES. PERFORMED FMC RESET, REF FIM 34-61 TASK 836 FMC OPS NORMAL. AIRCRAFT OKAY FOR SERVICE.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 39,558 hrs · 11,773 cycles

VTK MESSAGE ON CA ND W ASSOCIATED FMC FAILURE. GROUNDED - YES. PERFORMED FIM 34-61 TASK 801. NO DEFECTS NOTED. OK FOR SERVICE.

Part: TERMINAL — DAMAGED (FIRE LOOP) · airframe 39,195 hrs · 11,680 cycles

#1 ENG O/H DET LOOP "B" WILL NOT TEST. GROUNDED - YES. FOUND CORE DETECTOR RH TO HAVE A BROKEN TERMINAL LUG. RE-TERMINATED PER B737-800 AMM 26-11-02-960-801. PERFORMED AN ENGINE FIRE DETECTION OPERATIONAL TEST PER AMM 26-11-00-710-801. CHECKS GOOD. ALTERNATE DEACTIVATION PROCEDURES REVERSED. ONE CB WAS PULLED AND RESET. ETOPS GROUND VERIFICATION WAS SUCCESSFUL.

Part: LENS — DETACHED (EMERGENCY LIGHT) · airframe 39,138 hrs · 11,667 cycles

ROW 17A EXIT LIGHT COVER MISSING. GROUNDED - YES. FOUND EMER EXIT SIGN (COVER) ON FLT DECK RE-INSTALLED @ ROW 17A.

Part: PIN — MIGRATED (NR 1 ENGINE) · airframe 39,108 hrs · 11,657 cycles

#1 ENGINE 3RD STAGE ANTI ROTATION SLAB HEADED PIN AT 9 OCLOCK ALF HAS ROTATED 90 DEGREES AND HAS STARTED TO MIGRATE. REF T/C SBCFM56-7B-72-0986-1. PHOTOS IN INSPECTION SERVER REF L/P 11759592, 3RD STAGE AT 3 OCLOCK , ANTI ROTATION REMAINS ROTATED LESS THAN 45 DEGREES. GROUNDED - YES. REPLACED #1 ENGINE PER T/C 78471000 AND 78471001. DISCREPANCY TRANSFERRED TO SHOP W/O 455272 N/R #0001 FOR DISPOSITION.

Part: HARNESS — DEFECTIVE (NR 1 ENGINE) · airframe 38,850 hrs · 11,587 cycles

ON TAKEOFF ENG NR 1, EGT EXCEEDED. REACHED 983 DEGREES. ALSO, THE EGT CAME DOWN INTO BARELY NORMAL RANGE BUT WOULD LOWER AND SPIKE UP THEN DROP. IT REPEATED MULTIPLE TIMES. GROUNDED - YES. DIV TIME: 32 MINUTES. REMOVED AND REPLACED S3,S4 PROBES REF AMM 77-21-01. REMOVED AND REPLACED J10 HARNESS REF AMM 73-21-06 ALL GND TESTS PASS, REMOVED AND REPLACED CJ10 HARNESS REF AMM 73-21-06 ALL GND TESTS PASSED. POWERPLANT REQ FOR T495.5 REF 71-00-00-800-811-F00.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 38,814 hrs · 11,569 cycles

REF T/C 78273000 ENGINE NR 1 SHOWS LONG TIME FAULT 77-20861. BOTTOM LEFT EGT SIGNAL OUT OF RANGE. DEFERRED PER T/C 78273000. GROUNDED - YES. NO FAULT STORED AT THIS TIME. CLEARS 'PLT'.

Part: ACTUATOR — LEAKING (NR 2 VSV) · airframe 38,791 hrs · 11,563 cycles

DURING #2 ENG LEAK CHECK NOTICED FUEL LEAKING FROM #2 ENG R/H VSV ACTUATOR DRAIN. GROUNDED - YES. REMOVED VSV ACTUATOR AND INSTALLED TO STEP 2(E) REF B737-800 AMM 75-31-01-400-802. RIGHT VSV ACTUATOR INSTALLATION COMPLETE & LEAK TEST PASSED REF AMM 75-31-01-790-801-F00.

Part: MOTOR — INOPERATIVE (BOOST PUMP) · airframe 38,718 hrs · 11,542 cycles

L CTR FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED IN FLIGHT WITH 11.0 FUEL IN CTR TANK. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 28-22 TASK 801. DETERMINED L/H CTR MOTOR IMPELLER NOT WORKING. REMOVED AND REPLACED MOTOR IMPELLER PER B737-800 AMM 28-22-41. PERFORMED OPS CHECK PER AMM 28-22-41-710-801. OPS CHECK GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION (SAT COM) · airframe 38,654 hrs · 11,523 cycles

SAT PROMPT MISSING FROM MCDU. GROUNDED - YES. PERFORMED QRH PROCEDURE AND SATCOM FUNCTION RETURNED TO NORMAL.

Part: WARNING MESSAGE — FALSE ACTIVATION (CABIN TEMP) · airframe 38,560 hrs · 11,494 cycles

ON RECALL HAD A ZONE TEMP LIGHT. IT WAS ABLE TO RESET. GROUNDED - YES. FLIGHT DECK PRIMARY TEMP CONTROL SYSTEM INOP. NR 2 PACK/ZONE TEMP CONTROLLER LOGGED FLT DECK TRIM VALVE FAULT. RESET FAULT. NR 2 PACK/ZONE TEMP CONTROLLER PASSES ALL BITE TESTS. REF B737-800 AMM TASK 21-61-00-700-806-002.

Part: KEY — INOPERATIVE (DISPLAY) · airframe 38,515 hrs · 11,483 cycles

CAPTAINS MCDU DEP/ARR AND HOLD BUTTONS INOP. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 802-VERIFIED CAPTS MCDU DEP/ARR AND HOLD BUTTONS FAILED/INOP. REF B737-800 AMM 34-61-01,REPLACED CAPTS CDU. INSTALLATION OPS TEST PASSED. CAPTS MCDU DEP/ARR AND HOLD BUTTONS OPERATE NORMALLY. VERIFIED SOFTWARE 3463-SM1-02 CONFIGURATION, OK FOR SERVICE.

Part: INDICATOR — ERRATIC (COCKPIT) · airframe 38,479 hrs · 11,476 cycles

AIR CONDITIONING TEMPERATURE GAUGE INOP - ALL TEMPS READING EXTREMELY LOW - PEGGED TO BOTTOM OF SCALE. GROUNDED - YES. RMVD & RPLCD CABIN TEMP INDICATOR IAW AMM 21-61-32/401. CHECKED GOOD. OPS NORMAL. CLEARED MEL 21-17E, MEL21-17F & MEL 21-17G.

Part: SENSOR — DIRTY (CABIN TEMP) · airframe 38,384 hrs · 11,445 cycles

TEMP INDICATOR FOR PAX CABIN INDICATES COLDER THAN ACTUAL "NORMAL" CABIN TEMP. GROUNDED - YES. CLEANED SENSOR OPS NORMAL.

Part: INDICATOR — FAILED (COCKPIT) · airframe 38,303 hrs · 11,417 cycles

CABIN TEMPERATURE CONTROL PANEL GAUGE SHOWS NO TEMPERATURE INDICATING WHEN LEFT OR RIGHT PACK SOURCE SELECTED. GROUNDED - YES. VERIFIED DEFECT REMOVED AND REPLACED TEMP CONT MODULE & TEMP GAUGE PER AMM 21-61-15 ALL OPS CKD NML.

Part: WIRE — DISCONNECTED (SENSOR FAN) · airframe 38,120 hrs · 11,375 cycles

FWD CAB TEMP CONTROL WILL NOT MANAGE CABIN TEMP. CABIN TEMP SPIKES HOT/COLD WITH SMALL INPUTS TO THE KNOB. PLACED IN THE OFF POSITION CABIN TEMP IS ACCEPTABLE. GROUNDED - YES. CONFIRMED FAULT, FWD PASS CABIN TEMP SENSOR FAN INOP. REMOVED CEILING PANEL, FOUND PLASTIC ZIP-TIE AT GD3858-AC PULLING A WIRE OUT. REMOVED ZIP-TIE & SECURED WIRE AT GD3858-AC REF B737-800 WDM 21-61-13, FAN NOW WORKS.

Part: CONTROLLER — MALFUNCTIONED (CABIN TEMP) · airframe 38,110 hrs · 11,373 cycles

FWD CABIN TEMP CONTROLLER IN "AUTO" DOES NOT HOLD SELECTED TEMP. SUPPLY DUCT TEMP FLUCTUATES BETWEEN 0-60C RESULTING IN THE CABIN GETTING TOO HOT AND TOO COLD, BACK AND FORTH. GROUNDED - YES. REF B737-800 FIM 21-61 TASK 864. COULD NOT DUPLICATE. CLEANED FWD CABIN FILTER. OPS NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 38,091 hrs · 11,368 cycles

EMERGENCY LIGHTS INOP AT R/H SEAT ROWS 3-12, RT 27-29, AND ALL EMERGENCY LIGHTS AROUND R2 DOOR. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK AT STATIONS 500C+7 WL 213 RBL 67 (M1676) AND STATION 952 WL 291 RBL 14 (M1672) IAW AMM 33-51-06. SYSTEM CHECKS GOOD IAW AMM 33-51-06.

Part: TRANSITION PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 38,091 hrs · 11,368 cycles

FWD PIT RT TRANSITION PANEL BETWEEN STATIONS 500G TO 500H REQUIRES REPAIR. DUE TO CORROSION OUT OF LIMITS. GROUNDED - YES. REPAIRED THE RIGHT HAND TRANSITION PANEL IN THE FORWARD CARGO IAW SRM 53-00-53-R2-5. FROM STA 500G TO STA 500H. AND SRM 53-30-53;51-20-01, MATERIAL THICKNESS IS .040 MATERIAL LOSS IS .009 MATERIAL REMAINING IS .031 IAW SRM 53-00-53-1A-2.

Part: THRESHOLD — CORRODED (FUSELAGE) · corrosion level 2 · airframe 38,091 hrs · 11,368 cycles

AFT CARGO COMPT. CARGO DOOR THRESHOLD WEB IS CORRODED. GROUNDED - YES. REMOVED CORROSION AFT PIT WEB PER SRM 53-60-15-1A-1 ORIGINAL THICKNESS .045 PER DWG 146A8123-25 REV A, REMOVED .013 REMAINING IS .033. OUT OF LIMITS PER SRM 53-60-15-1A 14G3. REMOVED AFT WEB PER SRM 51-40-07. LOCATED AND DRILLED WEB IAW SRM 51-40-05 AND BAC DWG 146A 8120 REV A. INSTALLED WEB IAW BAC DWG 146A8120 REV A AND SRM 51-40-05. WEB P/N 146A8123-25 PO 935165.2.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 38,091 hrs · 11,368 cycles

MAIN CABIN FLOOR SUPPORT STRUCTURE UPPER SURFACE CORRODED BETWEEN STA 312 AND 328 AT APPROX. RBL 55. GROUNDED - YES. REMOVED AND REPLACED R1 DOOR AREA INNER CHORD IAW BAC DWG 141A8310 REV B AND SRM 51-40-02, ORIGINAL MATERIAL THICKNESS .080 REMOVED .025 REMAINING .055 AND WAS BEYOND LIMITS.

Part: BULKHEAD — DAMAGED (FUSELAGE) · airframe 38,091 hrs · 11,368 cycles

AFT PRESSURE BULKHEAD STRINGER S-7L, TOWARD THE CENTER OF THE BULKHEAD IS SEPARATING FROM THE SKIN WITH THE MOST INSIDE CENTER FASTENER PULLING THROUGH THE STRINGER. THE SAME STRINGER, S-7L ALSO HAS WAVINESS THROUGHOUT THE LOWER THIRD OF TIE STRINGER AND AROUND ITS FASTENERS. GROUNDED - YES. REMOVED DAMAGED SECTIONS OF THE AFT BULKHEAD PER EA 800-53EA-21206, FABBED REPAIR PARTS AND ACCOMPLISHED REPAIR PER EA 800-53EA-21206, SRM 51-40-02 AND SOPM 20-41-02. PART MARKED REPAIR AREA PER EA 800-53EA-21206 AND BAC5307, CIC APPLIED PER SRM 51-20-01.

Part: STRAP — CORRODED (FUSELAGE) · corrosion level 2 · airframe 38,091 hrs · 11,368 cycles

AFT CARGO COMPT STA 787-807, CARGO DOOR THRESHOLD INNER STRAP IS CORRODED. GROUNDED - YES. REMOVED CORROSION FROM INNER STRAP PER SRM 53-60-15, ORIG THICKNESS .100 PER SRM 53-60-15, REMOVED .017 MAT REMAINING IS .083 AND FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15 (T82250), REMOVED INNER STRAP IAW SRM 51-40-02, LOCATED AND DRILLED NEW STRAP P/N 146A8128414 PO 935222.1 IAW DWG. 146A8120 REV A AND SRM51-40-05, INSTALL NEW INNER STRAP IAW DWG 146A8120 REV A AND SRM 51-40-02.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 38,091 hrs · 11,368 cycles

CABIN STA 312-328 LBL 47 INTERCOSTAL CRACKED AT UPPER FLANGE. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW SRM 51-40-02 AND DWG 141A5400 REV B.

Part: INTERCOSTAL — GOUGED (FUSELAGE) · airframe 38,091 hrs · 11,368 cycles

MAIN CABIN FLOOR STRUCTURE - APPROX 10 INCHES FWD OF STATION 294.5, INTERCOSTAL AT BL 0 HAS SMALL GOUGES ON LOWER SIDE OF FLOOR ATTACHMENT HOLE. GROUNDED - YES. REMOVED & REPLACED INTERCOSTAL REFERENCE: BAC DWG 141A54001, REV: -, SHEET 20 & SRM 51-40-02. ME-04# ASA-519-1023 RECEIVED FROM ASA STATING P/N 141A5410U139 IS EFFECTIVE TO N519AS.

Part: TRANSITION PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 38,091 hrs · 11,368 cycles

AFT PIT, LT TRANSITION PANEL HAS CORROSION IN 7 AREAS FROM STA 727F-727H. GROUNDED - YES. REMOVED CORROSION FROM TRANSITION PANEL IAW SRM 51-10-02 ORG. THICKNESS IS .040 IAW SRM 53-60-53 AT STA 727G+12 REMAINING THICKNESS IS .010 LOSS OF .030 WILL BE OUT OF LIMIT IAW SRM 53-00-53. *CUT OUT DAMAGE AREA FORM STA 727E+5 TO STA 727H + 15 IAW SRM 53-00-53-2R-5* MAT ID FOR TRANSITION FROM STA 727E+5 TO 727H+15 IS BAC 146-377 7075-T62 IAW SRM 53-00-53-2R-5*LOCATED AND DRILLED NEW REPAIR (FABRICATED) IAW SRM 53-00-53-2R-5*ALODINED AND PRIMED NEW REPAIR PARTS IAW SRM 53-53-2R-5*INSTALLED NEW REPAIR PARTS FROM STA 727E + 5 TO STA 727H +15 IAW SRM 53-00-53-2R-5.

Part: TRANSITION PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 38,091 hrs · 11,368 cycles

AFT PIT, RT TRANSITION PANEL HAS CORROSION IN 17 AREAS FROM STA 727D-727F. GROUNDED - YES. REMOVED DAMAGED SECTION OF TRANSITION PANEL FROM STA 727D - 727F IAW SRM 53-00-53, REMOVED CORROSION FROM DAMAGED SECTION OF TRANSITION PANEL IAW SRM 51-10-02, ORIG. MAT THICKNESS IS .040 IAW SRM 53-60-53,MAT REMAINING IS .010. LOSS OF MAT. IS .030, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53. INSTALLED NEW SECTIONAL OF TRANSITION PANEL REPAIR IAW SRM 53-00-53 AT STA 727D TO 727 F.

Part: TRANSITION PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 38,091 hrs · 11,368 cycles

AFT PIT, RT TRANSITION PANEL HAS CORROSION IN 12 AREAS FROM STA 727F-727H. GROUNDED - YES. REMOVED CORROSION IAW SRM 51-10-02, ORIGINAL MATERIAL WAS .040 IAW SRM 53-60-53. REMAINING THICKNESS IS .030 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53. REMOVED DAMAGED SECTION FROM STA 727E+10 TO 767 RT, IAW SRM 51-40-02, MATERIAL ID FOR TRANSITION PANEL IS BAC1496-377, 7075-T62, PO 912635.2, IAW SRM 53-00-53-2R-5, LOCATED AND DRILLED NEW 2EA CHANNEL IAW SRM 53-00-53-2R-5. ALODINED 2EA CHANNEL IAW SRM 51-20-01, PRIMED 2EA CHANNEL IAW AMM 51-21-72. INSTALLED NEW 2EA CHANNEL ON AFT PIT R/H STA 727E+10 TO STA 767 IAW SRM 53-00-53-2R-5.

Part: THRESHOLD — CRACKED (FUSELAGE) · airframe 38,091 hrs · 11,368 cycles

FWD CARGO DOOR LWR CUTOUT THRESHOLD HAS 1EA DENT AT O/B FASTENER HOLE BETWEEN STA 460 AND STA 480. GROUNDED - YES. UPON FURTHER INVESTIGATION, FOUND CRACK AT DAMAGED HOLE LOCATION, REMOVED AND REPLACED WEB P/N 654A0003-58, PO 935525.1 IAW BAC DWG 143A8330 REV B ID:0006, SRM 51-40-02, SRM 53-30-15.

Part: OUTFLOW VALVE — PEELING (AFT) · airframe 37,938 hrs · 11,327 cycles

AFT OUTFLOW VALVE AFT GATE ANTI SKATING FOIL PEELING. GROUNDED - YES. REMOVED THE LOOSE FOIL FROM THE AFT OUTFLOW VALVE AFT GATE REF B737-800 AMM 21-31-03-400-801 STEP 3F(4). THE OUTFLOW VALVE IS SERVICEABLE, NO FURTHER MAINTENANCE NECESSARY.

Part: PRESSURE SWITCH — FAILED (NR 1 ENG FUEL) · airframe 37,797 hrs · 11,294 cycles

#1 FUEL FILTER BYPASS LIGHT ILLUMINATED IN CLIMB. #1 ENG OPS NORMAL. GROUNDED - YES. PERFORMED FUEL FILTER BYPASS FAULT ISOLATION REF B737-800 AMM 73-05 NO FAULT MESSAGES. REMOVED + REPLACED FUEL FILTER ELEMENT REF AMM 73-11-02. NO CONTAMINATION FOUND REMOVED + REPLACED FUEL FILTER DIFFERENTIAL PRESSURE SWITCH REF AMM 73-34-01 PERFORMED EEC TEST REF AMM 73-21-00 NO DEFECTS NOTED IDLE LEAK CHECKED GOOD.

Part: VALVE — FAULTED (COCKPIT TEMP) · airframe 37,664 hrs · 11,257 cycles

CONT CAB ZONE TEMP LIGHT ILLUMINATED DURING MASTER CAUTION RECAL AFTER ENGINE START CHECK LIST. QRH PROCEDURES ACCOMPLISHED VERIFIED BACK UP OPS NORMAL, OCCURED ZERO MORE ENROUTE. GROUNDED - YES. ACCOMPLISHED PACK TEMP CONTROL BITE IAW B737-800 FIM 21-61 TASK 801. FOUND FLT DECK TRIM AIR VALVE FAULT ON PREVIOUS LEG. FLT DECK TRIM AIR VALVE OPS CHECK GOOD IAW FIM 21-62- TASK 832.

Part: GUIDE VANE — DAMAGED (NR 2 ENGINE) · airframe 37,547 hrs · 11,231 cycles

FOUND #2 ENG 4 O'CLOCK POSITION, 1 OUTLET GUIDE VANE HAS DAMAGE OUT OF LIMIT. GROUNDED - YES. REMOVED AND REPLACED #2 ENG 4 O'CLOCK POSITION, 1 OUTLET GUIDE VANE REF B737-800 AMM 72-23-01.

Part: UNKNOWN — MALFUNCTIONED (COCKPIT) · airframe 37,512 hrs · 11,223 cycles

FO PFD AND ND HAS SEVERAL WARNING FLAGS, NO VSPD LNP ALT AND MAP. MCDU SHOWS MESSAGE, SINGLE FMC OPERATION. GROUNDED - YES. ACCOMPLISHED RESYNC, PLACED FMC SELECTOR SWITCH TO BOTH ON LEFT AND OPERATION RESTORED. VERIFIED OPERATION OF FMC PER FIM 34-61 TASK 836 WITH NO FAULTS NOTED, GROUND VERIFICATION COMPLETED.

Part: TRANSCEIVER — FAILED (E&E BAY) · airframe 37,357 hrs · 11,168 cycles

UNABLE TO TRANSMIT ON HF1. CAN RECEIVE OK AND ABLE TO RECEIVE CELL CALL. NO SIDE TONE W/ PTT. GROUNDED - YES. CYCLED C/B FOR HF-1 NO HELP. REMOVED AND REPLACED NR 1 HF TRANSCEIVER REF AMM 23-11-21. OPS NORMAL.

Part: FILTER ELEMENT — CLOGGED (APU) · airframe 37,327 hrs · 11,159 cycles

FOUND OIL FILTER INDICATOR HAS EXTENDED. GROUNDED - YES. SERVICED APU OIL FILTER INDICATOR REF AMM 49-91-13.

Part: TRANSCEIVER — DEFECTIVE (HF COMM) · airframe 37,099 hrs · 11,102 cycles

UNABLE TO TRANSMIT ON HF RADIO NR 1. ALL OTHER FUNCTIONS WORK. GROUNDED - YES. DUPLICATED DEFECT COULD RECEIVE BUT NOT TRANSMIT. REPLACED NR 1 HF TRANSCEIVER REF AMM 23-11-21, OPS CHECK NORMAL, SUCCESSFUL GROUND VERIFICATION.

Part: AUTOPILOT SYS — DISCONNECTED (A SYSTEM) · airframe 36,595 hrs · 10,952 cycles

AUTOPILOT A DISCONNECTED AT CRUISE. RE-ENGAGED AUTOPILOT, OPERATED NORMALLY REMAINDER OF FLIGHT. ACFT GROUNDED. PERFORMED DFCS BITE PROCEDURE IAW FIM 22-11-TASK 801. TEST PASSED, NO FURTHER FAULTS NOTED.

Part: UNKNOWN — UNKNOWN (AUTO PILOT) · airframe 36,570 hrs · 10,945 cycles

AUTOPILOT B DISENGAGED 3 TIMES IN FLIGHT, ONCE IN CLIMB AT 24,000' AND TWICE AT FL360: BOTH ALTITUDES IN SMOOTH AIR. AUTOPILOT A FUNCTION CORRECTLY. GROUNDED - YES. FFR LOGGED NUMEROUS 22-11607 FAULTS. MCP DATA INV. COULD NOT DUPLICATE MALFUNCTION. OP CK NORMAL REF B737-800 FIM 22-11 TASKS 803 & 817. BOTH A/P'S ENGAGED NORMALLY DURING AUTOPILOT TEST.

Part: DOOR — LACK OF LUBE (L1) · airframe 36,553 hrs · 10,939 cycles

F/A REPORTED THE L1 DOOR WAS HARD TO OPEN. ACFT GROUNDED. ACCOMPLISHED FIM 52-10, TASK 807. NO DEFECTS NOTED. LUBRICATED THE EXTERNAL DOOR IAW AMM 12-25-11-640-801. FWD ENTRY DOOR HANDLE FORCE & DOOR SYSTEM TEST CHECKEDS GOOD IAW AMM 52-11-00-700-804.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 36,321 hrs · 10,872 cycles

CONT CAB ZONE TEMP LIGHT ILLUMINATES DURING RECALL. ZONE TEMP LIGHT EXTINGUISHES WHEN MASTER CAUTION IS RESET. GROUNDED - YES. PERFORMED PACK/ZONE TEMP CONTROLLER NR 1 AND NR 2 BITE TEST REF AMM 21-61-00-700-806-002. NR 2 CONTROLLER HAS "FLT DECK" FAULT. FAULT CLEARED AFTER RESET. RUN PACKS. NO FAULTS AFTER RECALL.

Part: CONTROL PANEL — DEFECTIVE (COCKPIT) · airframe 36,309 hrs · 10,869 cycles

F/O'S MCP COURSE WINDOW 100'S AND 1'S DIGIT INOP (VERY DIFFICULT TO READ AS THEY STICK). GROUNDED - YES. REMOVED & REPLACED MCP REF AMM 22-11-34-400-801. ACCOMPLISHED MCP INSTALLATION TEST REF AMM 22-11-34-740-801. OPS CK GOOD. ACCOMPLISHED DFCS LRU REPLACEMENT TEST FOR MCP, GRP 32, REF AMM 22-11-34/501. ALL TESTS PASSED. ACCOMPLISHED LAND VERIFY TEST, GRP 49, REF AMM 22-11-00/201. ALL TESTS PASSED. GROUND VERIFICATION SUCCESSFUL.

Part: LENS — MISSING (EXIT SIGN) · airframe 36,188 hrs · 10,828 cycles

FA REPORT EMERGENCY EXIT SIGN COVER ROW 17 ACFT RIGHT SIDE MISSING. GROUNDED - YES. INSTALLED NEW EMERGENCY LIGHT COVER ROW 17 RIGHT SIDE.

Part: UNKNOWN — MALFUNCTIONED · airframe 36,132 hrs · 10,813 cycles

BATTERY SWITCH ON, EXTERNAL PWR DROPPED OFF. ELECT LIGHT ON. GROUNDED - YES. PERFORMED BITE TEST OF BATT SYSTEM PER FIM 24-31 TASK 801. FAULTS INTERMITTENT, AND BATTERY FULLY CHARGED WITH NO PRESENT FAULTS.

Part: BLADE — DAMAGED (NR 2 ENG FAN) · airframe 35,876 hrs · 10,743 cycles

DURING ACCOMPLISHMENT OF T/C 78472002 ON THE NR 2 ENGINE, FOUND BLADES 1, 13, 16, 17, 19, 23, AND 24 CU-NI-IN COATING DAMAGED BEYOND LIMITS. ACFT GROUNDED. INSTALLED NEW FAN BLADES IAW T/C 78472002.

Part: FMC — FAILED (E&E BAY) · airframe 35,776 hrs · 10,702 cycles

LEFT FMC FAILED AT CRUISE. GROUNDED - YES. PERFORMED FIM 34-61 TASK 836. REMOVED AND INSTALLED NEW LT FMC COMPUTER PER AMM 34-61-02. LOADED ALL CURRENT SOFTWARE, ADJUSTED PERFORMANCE FACTORS AND OPS CHECK GOOD OF LT FMC PER AMM 34-61-02-400-801.

Part: SPINNER — DAMAGED (NR 1 ENGINE) · airframe 35,760 hrs · 10,696 cycles

#1 ENG FRONT SPINNER PAINT COATING WORN. GROUNDED - YES. REPLACED THE #1 ENG FRONT SPINNER PER T/C 78472002.

Part: BLADE — DAMAGED (NR 1 ENG FAN) · airframe 35,760 hrs · 10,696 cycles

NR 1 ENG FAN BLADES NR 24, 19, 10, 9, 5, AND 4 HAS CU-NI-IN DAMAGE OUT OF LIMITS. AND THE NR 1 BLADE ROOT DAMAGED FROM SHIM CONTACT OUT OF LIMITS. ACFT GROUNDED. REPLACED THE BLADE PAIRS IAW TC 78472002 ON THE NR 1 ENGINE.

Part: SEAL — MISSING (NR 1 ENG FAN) · airframe 35,760 hrs · 10,696 cycles

NR 1 ENGINE FAN BLADE PLATFORMS NR 18,16, 15, 10, 8, 6,5 SEALS MISSING. ACFT GROUNDED. REPLACED THE FAN BLADE PLATFORMS SEALS IAW T/C 78472002.

Part: AUTOPILOT SYS — MALFUNCTIONED (A) · airframe 35,288 hrs · 10,560 cycles

2.5 HOURS INTO FLT, AUTOPILOT A DISENGAGED. REENGAGED AND WORKED FINE. ACFT GROUNDED. PERFORMED LIBRARY TEST 49 LAND VERIFY AND LIBRARY TEST 32 MCP IAW AMM 22-11-00, SYSTEM MCP CHECKED GOOD, NO DEFECTS NOTED, NO HISTORY LAST 60 DAYS.

Part: SENSOR — FAILED (WINDOW HEAT) · airframe 35,167 hrs · 10,530 cycles

FIRST OFFICERS FWD WINDOW OVERHEAT LIGHT ILLUMINATED DURING FLIGHT, RAN QRH AND LIGHT REMAINED ILLUMINATED. TURNED SWITCH OFF FOR REMAINDER OF FLIGHT. ACFT GROUNDED. CONTROLLER BITE TEST SHOWED WINDOW SENSOR FAULT. REMOVED AND REPLACED THE R1 WINDOW IAW AMM 56-11-11. LEAK AND OPS CHECKED GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION (WINDOW HEAT) · airframe 35,022 hrs · 10,492 cycles

FWD WINDOW OVERHEAT LIGHT ILLUMINATED. ACFT GROUNDED. FOUND THE FWD R WINDSHIELD OVERHEAT LIGHT ILLUMINATED. ACCOMPLISHED WINDOW HEAT BITE CHECK IAW FIM 30-41-TASK 801. FOUND RT FRONT WINDOW SENSOR FAULT. SWAPPED TO SPARE WINDOW SENSOR. WINDOW HEAT OPS CHECKED NORMAL IAW AMM 30-41-00.

Part: INDICATOR — FAILED (FUEL QTY) · airframe 34,765 hrs · 10,418 cycles

REFUEL PANEL, CENTER TANK INDICATOR IS BLANK. ACFT GROUNDED. REMOVED AND REPLACED THE TANK REFUELING INDICATOR IAW AMM 28-41-61. OPS CHECKED NORMAL.

Part: FAULT CODE — FALSE ACTIVATION (NR 1 ENGINE) · airframe 34,409 hrs · 10,310 cycles

ACCOMPLISHED T/C 78273000, FOUND NR 1 ENGINE ECONOMIC FAULT 73-31371, UPPER EGT SECTORS READING HIGH. ACFT GROUNDED. NR 1 ENGINE SHOWS NO CURRENT OR HISTORICAL FAULTS ON EEC BITE. PERFORMED WIRING CHECKS, EGT SYSTEM INSPECTION, IAW AMM 77-21-01-200-801-F00. NO FAULTS NOTED AND ALL RESISTANCES ARE WITHIN LIMITS. EEC TEST PASSED IAW AMM 73-21-00-700-804-F00. ACTUATORS TEST PASSED IAW AMM 71-00-00-700-807-F00.

Part: FUEL NOZZLE — FAULTY (NR 1 ENGINE) · airframe 34,409 hrs · 10,310 cycles

NR 1 ENGINE HAS REOCCURRING REPORTS OF FAULT MESSAGE 73-31371 BEING SET. INDICATION SYSTEM TROUBLE-SHOOTING HAS BEEN PREVIOUSLY ACCOMPLISHED. ETOPS SIGNIFICANT SYSTEM EC/TC PWRL-73CMPT-07267-2. GROUNDED - YES. REMOVED & REPLACED NR 1 ENGINE UPPER ELEVEN FUEL NOZZLES PER PWRPL-73CMPT-07267-2. GROUND VERIFICATION REPAIR CONFIRMATION SUCCESSFUL, NR 1 ENGINE SATISFIES B737-800 FIM 73-11 TASK 801 CRITERIA.

Part: OIL FILTER — DIRTY (NR 1 IDG) · airframe 34,174 hrs · 10,246 cycles

NR 1 ENGINE IDG DPI IS EXTENDED, ACFT GROUNDED. PERFORMED FIM 24-11 TASK 803, PERFORMED IDG SCAVENGE AND CHARGE FILTER INSPECTION CHECK IAW AMM 24-11-41-200-801, REMOVED & REPLACED IDG SCAVENGE/CHARGE FILTER, SERVICED WITH OIL IAW AMM 24-11-41. DPI WAS RESET.

Part: KNOB — LOOSE (TEMP PANEL) · airframe 34,096 hrs · 10,220 cycles

CABIN AIR TEMP DISPLAY SELECT KNOB LOOSE. ACFT GROUNDED. VIERIFIED DEFECT, REMOVED AND REPLACED THE CABIN TEMP SELECTOR P5-17 PANEL IAW AMM 21-61-00, OPS CHECKED NORMAL.

Part: FAULT MESSAGE — FALSE INDICATION (NR 2 ENGINE) · airframe 33,291 hrs · 9,987 cycles

WHILE PERFORMING TC 78273000, FOUND FAULT CODE 73-31371 ON THE NR 1 ENGINE, UPPER EGT SECTORS READING HIGH. ECONOMIC FAULT. ACFT GROUNDED. PERFORMED TASK CARD 78273000. NO FAULTS INDICATED.

Part: PROBE — DIRTY (EGT) · airframe 33,253 hrs · 9,975 cycles

WHILE ACCOMPLISHING TASK 78273000, FOUND A MESSAGE FOUR THE NR 1 ENGINE, 73-31371, UPPER EGT SECTORS READING HIGH. ACFT GROUNDED. TROUBLESHOOT IAW FIM 73-11, TASK 801. ACCOMPLISHED EGT CLEANING IAW AMM 77-21-00-140-801.

Part: INDICATOR — FAILED (FUELING PANEL) · airframe 33,060 hrs · 9,904 cycles

FUELER REPORTED CENTER TANK REFUEL INDICATOR DISPLAYS INCORRECTLY WHEN TEST SWITCH PRESSED. ACFT GROUNDED. REMOVED AND REPLACED THE CENTER REFUELING INDICATOR IAW AMM 28-41-61. OPS CHECKED GOOD.

Part: EEC — FAULTED (NR 2 ENGINE) · airframe 33,035 hrs · 9,894 cycles

NR 2 ENGINE FAULT 73-11282. EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE. FAULT FOUND ON LEGS 4 & 10. ACFT GROUNDED. TSR 908615 ACCOMPLISHED, T/C 78273000. FOUND RECENT FAULTS FOR THE NR 2 ENGINE. DUE TO MULTIPLE INTERNAL EEC FAULT CODES AND FIM 73-27 TASK 805, REMOVED AND REPLACED THE NR 2 ENGINE EEC IAW AMM 73-21-60/401. VERIFIED NR 2 ENGINE EEC SOFTWARE AND COMPATIBILITY WITH NR 1 ENGINE EEC SOFTWARE. ALL TESTS PASSED, ETOPS GROUND VERIFICATION SUCCESSFUL, AND REPAIR CONFIRMATION SUCCESSFUL IAW FIM 73-27 TASK 805. REMOVED DRIVE-PAD COVER IAW AMM 72-63-01-000-801-F00. REINSTALLED DRIVE-PAD COVER IAW AMM 71-00-00-700-801-F00. LEAK CHECKED GOOD. REMOVED & REPLACED THE EEC ALTERNATOR IAW AMM 73-21-08-400-801-F00. ACCOMP ENGINE RUNS, EEC BITE CHECKED IAW AMM 71-00-00-700-808-F00.

Part: EEC — FAULTED (NR 2 ENGINE) · airframe 33,035 hrs · 9,894 cycles

NR 2 ENGINE RECURRENT FAULT CODE 73-11282 PRESENT DURING ACCOMPLISHMENT OF TASKCARD 78273000. ACFT GROUNDED. ACCOMPLISHED T/C 78273000, FOUND RECENT FAULTS FOR NR 2 ENGINE. DUE TO MULTIPLE INTERNAL EEC FAULT CODES AND FIM 73-27, TASK 805, REMOVED AND REPLACED THE NR 2 ENGINE EEC IAW AMM 73-21-60/401. VERIFIED NR 2 ENGINE EEC SOFTWARE AND CAPATIBILITY WITH NR 1 ENGINE EEC SOFTWARE. ALL TESTS PASSED, ETOPS GROUND VERIFICATION SUCCESSFUL, AND REPAIR CONFIRMATION SUCCESSFUL IAW FIM 73-27 TASK 805. DUE TO HIGH TIME, REMOVED & REPLACED EEC ALT IAW AMM 73-21-08-400-801-F00. ACCOMPLISHED ENGINE RUNS, EEC BITE CHECKED IAW MM 71-00-00-700-808-F00. NO EEC FAULTS NOTED.

Part: ACTUATOR — MALFUNCTIONED (NR 2 ENGINE) · airframe 32,995 hrs · 9,879 cycles

NR 2 ENGINE SHOWS A SHORT TIME FAULT MESSAGE 73-20622, THE HMU BSV CONTROL CURRENT IS OUT OF RANGE. ACFT GROUNDED. TROUBLESHOT IAW FIM 73-27, TASK 801, PERFORMED ACTUATORS TEST IAW AMM 71-00-00-700-807-F00, TEST PASSED.

Part: WARNING MESSAGE — FALSE ACTIVATION (NR 2 ENGINE) · airframe 32,995 hrs · 9,879 cycles

NR 2 ENGINE SHOWS A SHORT TIME FAULT MESSAGE 75-20422, THE HMU VBV CONTROL CURRENT IS OUT OF RANGE. ACFT GROUNDED. TROUBLESHOT IAW FIM 75-32, TASK 804. EEC ACTUATORS TEST PASSED. NO FURTHER HISTORY.

Part: ACTUATOR — MALFUNCTIONED (EEC) · airframe 32,995 hrs · 9,879 cycles

NR 2 ENGINE SHOWS SHORT TIME FAULT MESSAGE 75-20572, THE HMU TBV CONTROL CURRENT IS OUT OF RANGE. ACFT GROUNDED. TROUBLESHOT IAW FIM 75-23, TASK 804, PERFORMED EEC ACTUATORS TEST IAW AMM 71-00-00-700-807-F00, TEST PASSED.

Part: EEC — MALFUNCTIONED (NR 2 ENGINE) · airframe 32,995 hrs · 9,879 cycles

NR 2 ENGINE SHOWS A SHORT TIME FAULT MESSAGE 73-20322. THE HMU FMV CONTROL CURRENT IS OUT OF RANGE. ACFT GROUNDED. ACCOMPLISHED TROUBLESHOOTING IAW FIM 73-25, TASK 801, EEC TEST PASSED.

Part: EEC — MALFUNCTIONED (NR 2 ENGINE) · airframe 32,995 hrs · 9,879 cycles

NR 2 ENGINE SHOWS A LONG TERM FAULT MESSAGE 73-20040, INTERNAL EEC FAULT. ACFT GROUNDED. TROUBLESHOT IAW FIM 73-21, TASK 801, PERFORMED EEC TEST IAW AMM 73-21-00-700-804-F00, TEST PASSED.

Part: EEC — MALFUNCTIONED (NR 2 ENGINE) · airframe 32,995 hrs · 9,879 cycles

NR 2 ENGINE SHOWS SHORT TIME FAULT MESSAGE 73-20012, INTERNAL EEC FAULT. ACFT GROUNDED. ACCOMPLISHED TROUBLESHOOTING IAW FIM 73-21, TASK 801, EEC TEST PASSED.

Part: EEC — MALFUNCTIONED (NR 2 ENGINE) · airframe 32,995 hrs · 9,879 cycles

NR 2 ENGINE SHOWS A SHORT TIME FAULT MESSAGE 73-11282, EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE. ACFT GROUNDED. ACCOMPLISHED FIM 73-27, TASK 805. FAULT MESSAGE 73-11282 NOT ACTIVE.

Part: ACTUATOR — MALFUNCTIONED (EEC) · airframe 32,995 hrs · 9,879 cycles

NR 2 ENGINE SHOWS ECONOMIC FAULT MESSAGE 75-20292, THE HMU HPT ACC CONTROL CURRENT IS OUT OF RANGE. ACFT GROUNDED. TROUBLESHOT IAW FIM 75-21, TASK 804, PERFORMED EEC ACTUATORS TEST IAW AMM 71-00-00-700-807-F00, TEST PASSED.

Part: WARNING MESSAGE — FALSE ACTIVATION (NR 2 ENGINE) · airframe 32,995 hrs · 9,879 cycles

NR 2 ENGINE SHOWS ECONOMIC FAULT MESSAGE 75-20522: THE HMU LPT ACC CONTROL CURRENT IS OUT OF RANGE. ACFT GROUNDED. ACCOMPLISHED FIM 75-22, TASK 804. FAULT MESSAGE 75-20522 NOT ACTIVE.

Part: WARNING MESSAGE — FALSE ACTIVATION · airframe 32,995 hrs · 9,879 cycles

NR 2 ENGINE SHOWS SHORT TIME FAULT MESSAGE 75-20372, THE HMU VSV CONTROL CURRENT IS OUT OF RANGE. ACFT GROUNDED. TROUBLESHOT IAW FIM 75-31, TASK 801, PERFORMED EEC ACTUATORS TEST IAW AMM 71-00-00-707-807-F00, TEST PASSED.

Part: AUTOPILOT SYS — MALFUNCTIONED (B) · airframe 32,873 hrs · 9,833 cycles

DURING CRUISE AT 16000 FT, B AUTOPILOT DISENGAGED AND ENTIRE MCP PANEL ON GLARESHIELD WENT BLANK. NO QRH PROCEDURES FOUND. AFTER 3 MINUTES MCP RESTORED. ACFT GROUNDED. PERFORMED FIM 22-11, TASK 803, SYSTEM TEST PASSED. NO CURRENT FAULTS FOUND. FAULT HISTORY FOUND MESSAGE #22-11607, AN INTERMITTENT FAULT. ACFT OK FOR FURTHER SERVICE.

Part: AUTOPILOT SYS — MALFUNCTIONED (B SYSTEM) · airframe 32,805 hrs · 9,815 cycles

DURING CRUISE FLIGHT AT FL 380, THE AUTOPILOT B DISENGAGED. BOTH A AND B ENGAGE BUTTONS WERE PRESSED, HOWEVER NEITHER AUTOPILOT WOULD ENGAGE. THE MCP LED DISPLAYS WERE BLANK AND THE BACK LIGHTING WAS NOT ILLUMINATED. ADDITIONALLY THE VNAV AND LNAV SELECTOR BUTTON LIGHTS WERE FLICKERING. THIS CONDITION LASTED APPROXIMATELY 30 SECONDS. NORMAL INDICATIONS WERE RESTORED AND THE B AP WAS RE ENGAGED. GROUNDED - YES. REF B737-800 FIM 22-11 TASK 801 ACCOMPLISHED DFCS BITE TEST CURRENT STATUS CHECK OK. ON FLIGHT REVIEW A CHANNEL NO FAULTS. ON RELATED FLT LEG B CHANNEL LOGGED MCP FAULT 22-11607. PERFORMED FIM 22-11 TASK 803 MCP TEST NORMAL NO FAULTS LOGGED. NOTE ON FLIGHT REVIEW NO AUTO PILOT OR FLT DIRECTOR FAULTS LOGGED. NO HISTORY 30 DAYS.

Part: PROCESSOR — FAILED (FUEL QTY) · airframe 32,317 hrs · 9,677 cycles

RIGHT MAIN FUEL TANK QTY WENT BLANK TWICE FOR A MINUTE OR SO WITH 8.55 IN THE TANK AND 2.0 IN THE CTR TANK, BUT READ NORMAL FOR THE LAST 2 1/2 HOURS OF THE FLIGHT. ACFT GROUNDED. PERFORMED FQIS BITE. NO CURRENT FAULTS BUT IN FLIGHT HISTORY FOR LAST 6 FLIGHTS SHOWED MAINT MESSAGE PROCESSOR FAILED. REMOVED AND REPLACED FUEL QUANTITY PROCESSOR UNIT DUE TO HISTORY. OPS TEST GOOD IAW FIM 28-41, TASK 813.

Part: HF COMM — MALFUNCTIONED (NR 2) · airframe 32,297 hrs · 9,673 cycles

NR 2 HF ANNUNCIATED FAIL. ACFT GROUNDED. CYCLED THE CIRCUIT BREAKER & ADJ HF SENSE, NR 1 & 2 HF OPERATES NORMALLY IAW FIM 23-11 TASK 806. GROUND VERIFICATION SUCCESSFUL.

Part: DIRECTOR — MALFUNCTIONED (FIRST OFFICER'S) · airframe 32,236 hrs · 9,654 cycles

FIRST OFFICER`S FLIGHT DIRECTOR BARS DISAPPEARED AT GLIDE SLOPE CAPTURE WITH APPROACH ARMED AND CAPTAIN AS MASTER. ACFT GROUNDED. PREVIOUS 39 FLIGHT LEGS DO NOT SHOW SAME FAULT. ACCOMPLISHED FIM 22-11 TASK 801, 22-11 TASK 805, AND AMM 34-33-21. NO DEFECTS NOTED.

Part: SEAL — CRACKED (NR 2 ENGINE) · airframe 32,109 hrs · 9,612 cycles

DURING ACCOMPLISHMENT OF TASK 7847200 STEP 1, FOUND OGV SEAL CRACKED & MISSING MATERIAL ON ENGINE. ACFT GROUNDED. REMOVED AND REPLACED OUTLET GUIDE VANE SEAL IAW AMM 72-23-01. PERFORMED A CONDITIONAL INSPECTION FOR IMPACT INCIDENT IAW AMM 05-51-59, NO SIGNS OF DAMAGE NOTED.

Part: MODULATOR — OUT OF ADJUST (LT RAM DEFLECTOR) · airframe 32,053 hrs · 9,593 cycles

LEFT RAM DEFECTOR DOOR NOT FULLY OPEN, CAN BE PUSHED PARTIALLY CLOSED WITH LIGHT HAND PRESSURE. ACFT GROUNDED. PERFORMED ADJUSTMENT OF THE RAM AIR INLET MODULATOR IAW AMM 21-51-22, OPS CHECKED GOOD.

Part: WIRE — PULLED (TERMINAL BLOCK) · airframe 31,840 hrs · 9,528 cycles

SAT INPUT ON CAPTAIN'S DISPLAY MISSING. ACFT GROUNDED. ACCOMPLISHED WIRING CHECKS. CHECKED GOOD. DURING REQUESTED PULL TEST AT TB3301 FOUND WIRE W9083-9023 RED EASILY PULLED OUT OF BLOCK YA1, FOUND NOT LOCKED-IN. SECURED THE WIRE PIN INTO TERMINAL BLOCK. ACCOMPLISHED ALL INSTALLATION TESTS OF FOLLOWING EQUIPMENT, SATCOM SDU IAW AMM 23-15-00, DFDAU IAW AMM 31-31-22, ACARS CMU IAW AMM 23-27-33, AND FMCS CDU-1 IAW AMM 34-61-01. ALL OPS NORMAL. SATCOM PROMPTS DISPLAYED ON MCDU 1 & 2 MENU PAGE.

Part: CONTROL VALVE — FAILED (TEMP CONTROLLER) · airframe 31,705 hrs · 9,496 cycles

NR 1 PACK TEMP CONTROLLER BITE CHECK SHOWS STANDBY RIGHT TCV, V142, FAULTED. ACFT GROUNDED. REMOVED AND REPLACED THE RIGHT STANDBY TCV IAW AMM TASK 21-51-11-000-801, AND 21-51-11-400-801. PERFORMED STANDBY TCV INSTALLATION TEST IAW AMM 21-51-11-400-801, ITEM G, (1 THRU 16). ITEM G - 7 TEMP ZONE CONTROLLER TEST GOOD. OPS AND LEAK CHECKED GOOD.

Part: WARNING LIGHT — MALFUNCTIONED (RT A/C PACK) · airframe 31,697 hrs · 9,494 cycles

WITH RIGHT PACK OPERATING, THE PACK LIGHT REMAINS ILLUMINATED AND WILL NOT RESET. ACFT GROUNDED. PERFORMED BITE CHECK IAW AMM 21-61, TASK 801. RESET SYSTEM, NOW OPS NORMAL.

Part: CONTROL VALVE — FAULTY (AC BAY) · airframe 31,692 hrs · 9,493 cycles

RIGHT PACK LIGHT ILLUMINATES WITH MASTER CAUTION RECALL. LIGHT EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED NR 1 PACK TEMP CONTROLLER BITE 21-62 TASK 801. NR 1 CONTROLLER SHOWS STANDBY OTHER PACK TCV FAULT. REQUIRES V142 RIGHT STBY TCV. REPLACED RT PACK TCV REF AMM 21-51-10 OPS AND LEAK CHECK GOOD.

Part: SATCOM — MALFUNCTIONED · airframe 31,663 hrs · 9,485 cycles

NO SAT ON CAPTAIN'S MCDU, CO-PILOTS HAS PROMPT SAT BITE STATUS PAGE 2 SHOWS SCDU-1 FAIL. ACFT GROUNDED. ACCOMPLISHED SATCOM TEST GROUND VERIFICATION IAW TASK 23-15-00-730-801. NO FAULTS NOTED. MADE SUCCESSFUL RADIO CHECKS ON NR 1 & 2 SATCOMS.

Part: TRANSCEIVER — INTERMITTENT (SATCOM) · airframe 31,635 hrs · 9,475 cycles

NR 1 MCDU DID NOT HAVE SAT PROMPT. ACCOMPLISHED QRH FOR SAT LOCKUP. SAT WAS ON NR 2 MCDU BUT DIDN'T RETURN ON NR 1 MCDU FOR APPROXIMATELY 1 HOUR. ACFT GROUNDED. VERIFY SATCOM OPS NORMAL WITH PROMPT IAW AMM 23-15-00. AS A RECAUTION, REMOVED AND REPLACED IRIDIUM TRANSCEIVER IAW AMM 23-15-00. SATCOM COMMUNICATION OPS TEST NORMAL IAW AMM 23-15-00.

Part: UNKNOWN — MALFUNCTIONED (SATCOM) · airframe 31,578 hrs · 9,457 cycles

AFTER DEPARTURE HNL NR 1 MCDU MENU PAGE DID NOT DISPLAY "SAT" IT THEN APPEARED APPROXIMATELY ONE HOUR INTO FLIGHT. DURING THIS TIME SAT WAS DISPLAYED AS PER NORMAL ON THE NR 2 MCDU SUBSEQUENTLY SATCOM OPS APPEARED NORMAL. GROUNDED - YES. SAT COM NR 1 OPS CHECK NORMAL PER AMM 23-15-00.

Part: SATCOM — LOCKED (COCKPIT) · airframe 31,474 hrs · 9,423 cycles

SATCOM LOCK-UP. GROUNDED - YES. ACCOMPLISHED RESET PROCEDURE PER QRH. SATCOM OPS RESTORED NORMAL.

Part: A/C PACK — CONTAMINATED · airframe 31,227 hrs · 9,347 cycles

F/A'S REPORTED AN ODOR IN THE MID CABIN TO AFT CABIN, 15 MINUTES AFTER LEVELING OFF AT FLIGHT LEVEL 370. CONDUCTED AN EMERGENCY RETURN. BOTH PACKS IN AUTO, APU WAS OFF, BOTH RECIRCULATION FANS WERE IN AUTO. ACFT GROUNDED. ACCOMPLISHED FIM 05-51, TASK 814. ACCOMPLISHED FIM 21-00, TASK 806. ACCOMPLISHED OIL CONTAMINATION REMOVAL FROM AIR CONDITIONING AND PNEUMATIC SYSTEM IAW AMM 21-00-01-100-801. RAN BOTH ENGINES AND APU, OPERATED LEFT & RIGHT PACKS ALL OPERATIONS NORMAL. NO CABIN ODORS NOTED AT THIS TIME.

Part: FAULT CODE — FALSE ACTIVATION (NR 1 ENGINE) · airframe 31,218 hrs · 9,344 cycles

THE NR 1 ENGINE LOGGED A SHORT TIME FAULT 73-30791. PS3 SIGNALS DISAGREE FOR LEG 3. ACFT GROUNDED. ACCOMPLISHED FIM 73-26 TASK 806. NO RECENT FAULTS LOGGED. NO FAULT HISTORY LOGGED. NO HISTORY PAST 30 DAYS.

Part: CONTROL PANEL — FAILED (FLIGHT DECK) · airframe 31,218 hrs · 9,344 cycles

COMMAND B LIGHT ON MCP IS INOPERATIVE. ACFT GROUNDED. REMOVED AND REPLACED MODE CONTROL PANEL IAW AMM 22-11-34-000-801 AND 22-11-34-400-801. ACCOMPLISHED GROUP 32 DFCS LRU INTERFACE TEST FOR MCP AND GROUP 49 LAND VERIFY TEST IAW AMM 22-11-00. PERFORMED HGS SENSOR TEST FOR FCC/AT IAW SMM 34-36-00. ACCOMPLISHED DFCS MODE CONTROL PANEL INSTALLATION TEST IAW AMM 22-11-35-740-801. ALL TESTS PASSED. AIRCRAFT REMAINS CAT III A AUTOLAND AND HGS OPS.

Part: FLOOR PANEL — CORRODED (CARGO BAY) · corrosion level 2 · airframe 30,933 hrs · 9,275 cycles

AFT PIT FLOOR PANEL 140EF HAS MINOR CORROSION ALONG EDGE. GROUNDED - YES. EVALUATED DAMAGE ON AFT PIT FLOOR PANEL 140EF, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53. FABRICATED NEW 140EF P/N 453A2610-58 IAW DWG 453A2610 REV K AND GPM 05-00-85 4.A.2.

Part: FLOOR PANEL — CORRODED (FWD CARGO) · airframe 30,933 hrs · 9,275 cycles

FWD CARGO, FLOOR PANEL 120DF HAS MINOR CORROSION ALONG EDGE. ACFT GROUNDED. FABRICATED A NEW FLOOR PANEL AND APPLIED PROTECTIVE FINISHES IAW DWG 453A1610, REV T, AND GPM 05-00-85 4.A.2.

Part: FLOOR PANEL — CORRODED (CARGO BAY) · corrosion level 2 · airframe 30,933 hrs · 9,275 cycles

AFT PIT FLOOR PANEL 140AF HAS MINOR CORROSION ALONG EDGE. GROUNDED - YES. CLEANED PANEL 140AF IAW SOPM 20-30-80. PANEL FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53. FABRICATED NEW PANEL IAW BAC DWG 453A2610 REV E. ALODINED AND PRIMED PANEL IAW SRM 51-20-01 AND IAW GPM 05-00-85 4.A.2. FOR AUTHORITY TO FAB CARGO FLOOR PANEL.

Part: FLOOR PANEL — CORRODED (CARGO BAY) · corrosion level 2 · airframe 30,933 hrs · 9,275 cycles

AFT PIT FLOOR PANEL 140CF HAS MINOR CORROSION ALONG EDGE. GROUNDED - YES. FABRICATED NEW PANEL IAW BAC DWG 453A2610. APPLIED FINISHES IAW SRM 51-20-01. AUTHORITY TO FAB CARGO FLOOR PANELS IAW GPM 05-00-85 4.A.2.

Part: FLOOR PANEL — CORRODED (CARGO BAY) · corrosion level 2 · airframe 30,933 hrs · 9,275 cycles

FWD PIT FLOOR PANEL HAS MINOR CORROSION ALONG EDGE 120AF. GROUNDED - YES. PANEL 120AF SCRATCHES MORE THAN 3" OUT OF LIMITS IAW SRM 53-00-53. FABRICATED, ALODINED AND PRIMED PANEL 120AF IAW DWG 453A1610 AND SOPM 20-41-01.

Part: FLOOR PANEL — CORRODED (CARGO BAY) · corrosion level 2 · airframe 30,933 hrs · 9,275 cycles

FWD PIT FLOOR PANEL 120BF HAS MINOR CORROSION ALONG EDGE. GROUNDED - YES. FABRICATED FWD PIT PANEL 120BF PER DWG 453A1610 REV T. ALODINED AND PRIMED PER DWG 453A1610 REV T.

Part: FLOOR PANEL — CORRODED (CARGO BAY) · corrosion level 2 · airframe 30,933 hrs · 9,275 cycles

FWD PIT FLOOR PANEL 120CF HAS MINOR CORROSION ALONG EDGE. GROUNDED - YES. FABRICATED/REPLACED CARGO FLOOR PANEL 120CF IAW DRAWING 453A1610 REV T/D. ALODINED AND PRIMED IAW SOPM 20-43-03 AND BOEING SOPM 20-41-02 AND IAW GPM 05-00-85 4.A.2.

Part: FLOORBEAM — CORRODED (BS 270) · corrosion level 2 · airframe 30,933 hrs · 9,275 cycles

COCKPIT FLOOR STRUCTURE UNDER PANEL 211AF, BARE METAL . DOT ATTACH . ACFT GROUNDED. REPAIRED MAIN CABIN FLOOR STRUCTURE AT BS 270 IAW EA 800-53EA-18556.

Part: SKIN — CRACKED (RT HORIZ STAB) · airframe 30,933 hrs · 9,275 cycles

R/H HORIZ STAB LWR SKIN APPEARS CRACKED AT STAB STA 128.50 APPROX 17" AFT OF L/E. GROUNDED - YES. REMOVED LEADING EDGE AND TIP, PERFORMED SKIN REPAIR PER SRM 55-10-01-2R-11. REINSTALLED LEADING EDGE AND TIP PER AMM 27-41-21.

Part: CHANNEL — CORRODED (BS 727E-727F) · airframe 30,933 hrs · 9,275 cycles

AFT CARGO, RT SIDEPLATE CHANNEL BS 727E - 727F IS CORRODED IN TWO PLACES. ACFT GROUNDED. REMOVED CORROSION IAW SRM 51-10-02, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. REPAIRED THE CHANNEL IAW SRM 53-00-53-2R-6.

Part: DUCT — WORN (NR 1 ENGINE) · airframe 30,777 hrs · 9,237 cycles

NR 1 ENGINE INTERSECTION MANIFOLD DUCT ASSEMBLY ATTACH LINK WORN. ACFT GROUNDED. REMOVED AND REPLACED THEE INTERSECTION MANIFOLD DUCT ASSEMBLY ATTACH LINK IAW AMM 36-11-01-400-802.

Part: ACTUATOR — FAULTED (RAM AIR EXHAUST) · airframe 30,722 hrs · 9,213 cycles

LEFT PACK LIGHT ON RECALL, RESETS WHEN MASTER CAUTION PRESSED. ACFT GROUNDED. LT PACK ZONE TEMPERATURE CONTROLLER BITE SHOWS LT RAM AIR ACTUATOR FAULT. REMOVED & REPLACED LEFT RAM AIR ACTUATOR IAW AMM 21-51-21, GROUND FUNCTIONAL CHECKED NORMAL IAW AMM 21-61-00-700-806-002.

Part: STARTER — CONTAMINATED (NR 2 ENGINE) · airframe 30,686 hrs · 9,201 cycles

NR 2 ENGINE STARTER FOUND WITH UNACCEPTABLE AMOUNT OF MAGNETIC CONTAMINATION PER ASA TASK CARD N2480001. ACFT GROUNDED. REMOVED & REPLACED THE NR 2 STARTER UNIT IAW AMM 80-11-01. OPS AND LEAK CHECKED GOOD.

Part: FMC — MALFUNCTIONED · airframe 30,374 hrs · 9,100 cycles

VTK ON CAPTAINS MAP DISPLAY AND LOSS OF FMC DATA ON BOTH CDUS UPON LANDING AND INTERMITTENTLY THEREAFTER. GROUNDED - YES. DEFERRED PER MEL 34-36J. CAPT SIDE FMC INOP. PLACED FMC SELECT SWITCH TO NORMAL, NO VTK FLAG. NO FAULTS LOGGED IN FMC'S. L FMC OPS NORMAL IAW AMM 34-61-00. THIS CLEARS MEL 34-36J.

Part: WARNING LIGHT — FALSE ACTIVATION (RT A/C PACK) · airframe 30,354 hrs · 9,096 cycles

RIGHT PACK ILLUMINATED CLIMBING THRU 150009, RAN QRH AND LIGHT EXTINGUISHED. ACFT GROUNDED. PERFORMED OPS TEST IAW AMM 21-00-00. NO FAULTS NOTED AT THIS TIME. NO HISTORY FOR 30 DAYS.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT TEMP) · airframe 30,223 hrs · 9,059 cycles

CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. FLIGHT DECK TRIM VALVE FAULT NR 2 ZONE TEMP CONTROLLER. RESET & BITE TESTED NORMAL IAW AMM 21-61-00.

Part: HF COMM — MALFUNCTIONED (NR 2) · airframe 30,147 hrs · 9,033 cycles

NR 2 HF WILL NOT TRANSMIT OR CHANNELIZE. ACFT GROUNDED.

Part: TRANSCEIVER — FAILED (NR 2 HF SYS) · airframe 30,132 hrs · 9,030 cycles

NR 2 HF HAD NO SIDE TONE, NO TRANSMIT OR RECEIVE CAPABILITY. ACFT GROUNDED. VERIFIED NR 2 HF WILL NOT TRANSMIT. PERFORMED HF BITE. NO FAILURES INDICATED. REPLACED THE NR 2 HF IAW AMM 23-11-21.

Part: FMC — MALFUNCTIONED · airframe 29,890 hrs · 8,969 cycles

FMC DISAGREE ON GROUND. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. FMCS RESTORED NORMAL.

Part: STARTER — FAILED (NR 2 ENGINE) · airframe 29,876 hrs · 8,965 cycles

STARTING ENG NR 2, NO ROTATION OF N2 OBSERVED ATTEMPTED TO START ENG NR 1 ALL INDICATIONS NORMAL. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENGINE STARTER IN REFERENCE TO AMM 80-11-01-400-801. PERFORMED NR 2 ENGINE STARTER TEST PER AMM TASK 71-00-00-800-811 TEST 1 PNEUMATIC LEAK CHECK GOOD AND TEST 3A IDLE POWER LEAK CHECK GOOD, COMPLETED WITH GROUND VERIFICATION.

Part: WARNING MESSAGE — FALSE ACTIVATION · airframe 29,735 hrs · 8,921 cycles

LEFT PACK LIGHT ILLUMINATED WHEN CHECKING MASTER CAUTION . LIGHT EXTINGUISHED WHEN PRESSING MASTER CAUTION RESET. AIR COND LIGHT ILLUMINATED ON MASTER CAUTION PANEL. ACFT GROUNDED. CONFIRMED LEFT PACK LIGHT ILLUMINATED ON RECALL. PERFORMED PACK TEMP CONTROL BITE TEST, IAW AMM 21-61-00. FOUND NR 1 RAM AIR ACTUATOR FAULT ON PREVIOUS FLIGHT. RESET FAULTS. REPEAT TEST AND NO FAULTS. NO FAULTS ON RECALL. RUN PACKS AND NO FAULTS. REPEAT CONTROL BITE TEST AND OPS CHECK NORMAL.

Part: LIGHT — DETACHED (ROW 12) · airframe 29,732 hrs · 8,920 cycles

FA REPORTED THE EMERGENCY LIGHTING COMING UP FROM THE FLOOR AT ROW 12. ACFT GROUNDED. SECURED THE LIGHT.

Part: SEAL — LEAKING (L1 DOOR) · airframe 29,673 hrs · 8,897 cycles

F/A NOTIFIED US OF A VERY LOUD AIR NOISE COMING FROM THE L1 DOOR STARTING AT ABOUT 5,000' ALTITUDE. THE F/O INSPECTED THE DOOR VISUALLY AT 25,000 FT AND SAW DAYLIGHT COMING FROM / NEAR THE UPPER HINGE ON THE FORWARD PART OF THE DOOR SEAL AREA. THE PRESSURIZATION FUNCTIONED AND OPERATED NORMALLY THROUGHOUT THE FLIGHT. GROUNDED - YES. DEBRIEFED FLIGHT CREW, F/O SAID LOUD SQUEAL AT L-1 DOOR UPPER HINGE AREA. FOUND L-1 DOOR UPPER HINGE FLAPPER DOOR SEAL BENT AND RUBBER SEAL CUT. REMOVED AND REPLACED FWD ENTRY DOOR FLAPPER SEAL (UPPER), REF B737-800 AMM 52-11-00-020-801, 52-11-00-420-801. PRESSURIZED AIRCRAFT, NO LEAKS NOTED. PERFORMED GVI OF L-1 DOOR, SEAL, SILL, AND SURROUNDING AREA - NO DEFECTS NOTED.

Part: CONTROL UNIT — FAILED (WINDOW HEAT) · airframe 29,648 hrs · 8,890 cycles

R2 WINDOW OVERHEAT LIGHT ILLUMINATED. ACFT GROUNDED. REPLACED THE R2 WINDOW HEAT CONTROL UNIT IAW AMM 30-41-11/401. THE NEW WHCU OPS CHECKED GOOD.

Part: WARNING SYSTEM — INTERMITTENT (COCKPIT) · airframe 29,408 hrs · 8,797 cycles

ON FINAL APPROACH, WE GOT THE, FMC DISAGREE, ANNUNCIATION. ACFT GROUNDED. PERFORMED FAULT ISOLATION IAW FIM 34-61, TASK 835. DETERMINED TO BE INTERMITTENT FAULT. OK FOR SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 29,378 hrs · 8,790 cycles

LIGHT ILLUMINATED ON OVERHEAD PANEL. ACFT GROUNDED. PERFORMED ELEC LIGHT BITE, IAW FIM 24-31 TASK 801. SHOWS STATIC INVERTER INOPERATIVE FAULT. PERFORMED FIM 24-34 TASK 801 & FAULT CLEARED. ALL GROUND FUNCTIONAL TESTS PASSED.

Part: WARNING LIGHT — FALSE ACTIVATION (RT A/C PACK) · airframe 29,247 hrs · 8,746 cycles

RIGHT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. ACFT GROUNDED. CONFIRMED RIGHT PACK LIGHT ILLUMINATES WITH MASTER RECALL. PERFORMED PACK/ZONE TEMP CONTROL BITE TEST IAW AMM 21-61-00, FOUND NR 2 CONTROLLER WITH "TCV THIS PACK" FAULT LIGHT FROM PREVIOU FLIGHTS. CONTINUED WITH BITE TEST - BOTH CONTROLLERS OPS NORMAL, NO FAULTS AND RIGHT PACK LIGHT REMAINS EXTINGUISHED WITH MASTER RECALL.

Part: VALVE — MALFUNCTIONED (PRECOOLER) · airframe 28,960 hrs · 8,653 cycles

ON CLIMB OUT, DUCT PRESSURE SPLIT R22, L45 ONCE LEVELED OUT EVENTUALLY COME TOGETHER STEADY AT 40 EACH. ACFT GROUNDED. PERFORMED TASK CARD NG-36WC-00001 BLEED AIR SYS HEALTH CHECK. PERFORMED STEPS 01-05 TO INCLUDE STEP 5. DURING TASK CARD DISCOVERED ENGINE NR 2 PRE-COOLER VALVE OUT OF LIMITS. STEP 3.F.5. REMOVED NR 2 ENGINE PRE-COOLER VALVE, REF AMM 36-12-02-000-801. INSTALLED NEW PRE-COOLER VALVE, REF AMM 36-12-02-400-801. LEAK CHECK GOOD. ACCOMPLISHED ENGINE BLEED AIR CROSSOVER OPS TEST, REF AMM 36-11-00-710-801.

Part: MODULE — FAILED (APU LUBE) · airframe 28,808 hrs · 8,602 cycles

COLD START TRIED AT FL 380. APU FAULT LIGHT ILLUMINATED. QRH FOLLOWED, APU SHUTDOWN NORMAL. ACFT GROUNDED. IAW TSR908082, REMOVED AND REPLACED APU LUBE MODULE, IAW AMM 49-91-11. OPS CHECKED GOOD, NO LEAKS NOTED.

Part: APU — FAILED · airframe 28,782 hrs · 8,594 cycles

FAULT LIGHT ILLUMINATED DURING APU START ATTEMPT FL 360. ACFT GROUNDED. PERFORMED APU BITE, FOUND FAULT CODE 49-41010. PERFORMED FIM 49-40 TASK 801, NO ACCELERATION SHUTDOWN. UNABLE TO DUPLICATE FAULT ON GROUND. REMOVED AND REPLACED FUEL FLOW DIVIDER AND SOLENOID IAW AMM 49-31-15. OPS CHECK NORMAL, APU BITE TEST PASS, NO CURRENT FAULTS.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 28,744 hrs · 8,586 cycles

APU FAULT LIGHT ILLUMINATED DURING START ATTEMPT FL 380. ACFT GROUNDED. NOTED APU MAINT. MESSAGE 49-41010. NORMAL APU GROUND START ACCOMPLISHED. NO NEW FAULTS.

Part: WARNING MESSAGE — FALSE ACTIVATION (CABIN TEMP) · airframe 28,722 hrs · 8,580 cycles

ON RECALL, CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED. EXTINGUISHED & RESET ON MASTER CAUTION RESET PUSH. ACFT GROUNDED. PERFORMED PACK TEMP CONTROL BITE ON BOTH CONTROLLERS, NR 2 CONTROLLER FAULTED "FLIGHT DECK TRIM VALVE". CLEARED FAULT IAW FIM 21-62 TASK 801.

Part: CONNECTOR — FAILED (PRESSURE SWITCH) · airframe 28,683 hrs · 8,563 cycles

DURING 1ST CSS START ATTEMPT, A FAULT LIGHT ILLUMINATED AT FL370. QRH ACCOMPLISHED, TURNED APU OFF, FAULT LIGHT EXTINGUISHED. SUCCESSFUL SECOND START ATTEMPT. ACFT GROUNDED. APU BITE MAINTENANCE HISTORY SHOWS MAINT MSG 49-94226, LOW OIL PRESSURE SWITCH SHOWS OPEN CIRCUIT, SEVERAL PAST OCCURRENCES. R & R THE APU OIL PRESSURE SWITCH AFTER INSPECTION OF THE CONNECTOR, REF AMM 49-94-22-00-801 AND 49-94-22-400-801 AND FIM TASK 49-90 TASK 805. APU BITE FAULT HISTORY SHOWS MAINT MSG 49-41010, NO ACCELERATION SHUTDOWN, OCCURRED 1 TIME. CHECKED CURRENT STATUS , FAULT IS NOT ACTIVE. STARTED APU SEVERAL TIMES WITHOUT FAULT REOCCURRENCE. APU STARTS NORMALLY, REF FIM TASK 49-40, TASK 801.

Part: ACTUATOR — FAILED (RAM AIR DOOR) · airframe 28,502 hrs · 8,502 cycles

LEFT RAM DOOR, FULL OPEN LIGHT ILLUMINATED THROUGH CLIMB AND AT CRUISE. ACFT GROUNDED. R & R LT RAM AIR DOOR ACTUATOR IAW AMM 21-51-21. OPS CHECK NORMAL.

Part: HMU — FAILED (NR 2 ENGINE) · airframe 28,459 hrs · 8,488 cycles

SHORT TERM FAULT FOUND, NR 2 ENGINE 73-20342. FMV POS SIGNAL IS OUT OF RANGE. ACFT GROUNDED. ACCOMPLISHED HMU REMOVAL AND INSTALLATION, REF T/C N8473001. OPS CHECK GOOD. NO FAULTS ON LEG 0 ON EEC BITE CHECK.

Part: RADAR — MALFUNCTIONED (WX) · airframe 28,274 hrs · 8,432 cycles

WEATHER RADAR RT CIRCUIT BREAKER OPEN ON P6-1 D PANEL. ACFT GROUNDED. INSPECTED AND RESET WXR RT C/B AMM 20-60-01, OPS CHECK WEATHER RADAR AMM 34-43-00. ALL GROUND VERIFICATION TESTS PASS.

Part: LINE — LEAKING (HYD SYSTEM) · airframe 28,169 hrs · 8,399 cycles

ENGINE 1 HYD PUMP, A SYS, LOW PSI LIGHT CAME ON IN FLIGHT. ACFT GROUNDED. AIR TURNBACK - FOUND NR 1 ENGINE HYDRAULIC PUMP PRESSURE LINE LEAKING AT THE FIREWALL DISCONNECT. R & R NR 1 ENGINE PRESSURE HOSE ASSY AS DEPICTED IN IPC 29-11-51-01A ITEM NR 40. R & R NR 1 ENG HYD PUMP IAW AMM 29-11-11-400-801 S01, PERFORMED HYD SYS A FLUSHING IAW AMM 29-11-00-170-801. R & R A SYS PRESSURE FILTER IAW AMM 29-11-71-000-802 AND 29-11-71-400-802. NO CONTAMINATION NOTED. R & R NR 1 ENGINE CASE DRAIN FILTER IAW AMM 29-11-51-000-801 AND 29-11-51-400-801, NO CONTAMINATION NOTED, R & R A SYSTEM RETURN FILTER IAW AMM 29-11-61-000-801 AND 29-11-61-400-801, NO CONTAMINATION NOTED. BLED HYDRAULIC SYSTEM IAW AMM 29-00-00-870-801. LEAK CHECK IAW AMM 29-00-00-790-801, OK. SERVICED RESERVOIR IAW AMM 12-12-00-610-801, 2 GALLONS ADDED PERFORMED 2ND REPLACEMENT OF EDP CASE DRAIN, A SYS PRESSURE & A SYS RETURN FILTERS PER ABOVE PROCEDURES, NO CONTAMINATION NOTED BLEED AND LEAK CHECKS PERFORMED IAW ABOVE PROCEDURES, CHECKS OK.

Part: TRANSCEIVER — FAILED (NR 2 HF SYS) · airframe 28,031 hrs · 8,352 cycles

NR 2 HF RADIO WILL NOT TUNE AND APPEARS TO NOT RECEIVE. MULTIPLE HF FREQ'S TRIED. AF SENS SET AT 100 PERCENT. ACFT GROUNDED. REPLACED NR 2 HF TRANSCEIVER IAW AMM 23-11-21-000-801. GROUND VERIFICATION CHECK GOOD IAW AMM 23-11-21-400-801.

Part: IDG — FAILED (NR 1) · airframe 27,859 hrs · 8,308 cycles

ON PREFLIGHT, NR 1 IDG DRIVE LIGHT NOT ILLUMINATED WITH NR 1 ENGINE NOT RUNNING. ACFT GROUNDED. REPLACED THE NR 1 IDG IAW AMM 24-11-11.

Part: ANTENNA — FAILED · airframe 27,823 hrs · 8,297 cycles

CAPTAIN LOST F/D AND A/P DISENGAGED AT G/S CAPTURE. ACFT GROUNDED. COMPLIED WITH ALL SPECIAL MAINT PROCEDURES, NO DEFECTS NOTED FROM MAINTENANCE PROCEDURES. DFCS FAULT REVIEW SHOWED NUMEROUS RAD ALT 1 FAULTS. REMOVED & REPLACED, AND TESTED NR 1 RAD ALT RX AND TX ANTENNAS IAW AMM 34-33-11-400-801, TEST PASSED. ACCOMPLISHED DFCS LAND VERIFY TEST IAW AMM 22-11-00/201, TEST PASSED.

Part: CONTROLLER — FAILED (AUTO PRESSURE) · airframe 27,605 hrs · 8,232 cycles

AUTO PRESSURE CONTROLLER FAILED. ACFT GROUNDED. CYCLED CABIN PRESSURIZATION CONTROLLERS 1 & 2, SYSTEM RESET OPS CHECK SATISFACTORY.

Part: NOZZLE — LOOSE (NR 2 EXHAUST) · airframe 27,137 hrs · 8,106 cycles

NR 1 ENGINE EXHAUST FLANGE UPPER INBD FWD FENCE FOUND LOOSE HI-LOCK. ACFT GROUNDED. REMOVED LOOSE HI-LOCK AND INSTALLED NEW HI-LOCK FASTENER AT DISCREPANT LOCATION REF SRM 51-40-02.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 27,039 hrs · 8,084 cycles

ON RECALL LT PACK LIGHT ILLUMINATED. ACFT GROUNDED. NR 1 TEMP CONTROLLER SHOWS RAM AIR ACT FAULT ON BITE TEST ONLY. LAST FLT & VERIFY TESTS PASS. RESET FAULT. FAULT DID NOT RETURN. BITE TEST NR 1 CONTROLLER GOOD. REF AMM 21-62, TASK 837. ACFT GROUND VERIFICATION GOOD.

Part: COMPENSATOR — FAILED (NR 2 FUEL TANK) · airframe 26,981 hrs · 8,071 cycles

FUEL INDICATION DISCREPANCY ON CLIMB WITH FUEL IN CENTER TANK AND ALL FUEL PUMPS ON NOTED RT FUEL QTY DECREASING. DECREASED TO 8120 AND THEN STABILIZED RT FULL NORMAL 8670 AT CRUISE RT TANK DECREASED TO APPROX 8490 AFTER TEN MIN RT TANK DECREASED TO APPROXIMATELY 8150 WHERE IT STAND UNTIL CENTER TANK EMPTY THEN NORMAL DECREASE IN RT TANK. ALL FUEL BURNS NORMAL FOR ENTIRE TRIP. FUEL BALANCE WITHIN LIMITS ENTIRE TRIP. ACFT GROUNDED. REF LOGPAGE 11414833 NR 2 FUEL QTY FAILS SYS TEST. FOUND PROBES F15 COMP, F1, F6, F8, F9 AND F10 OUT OF TOLERANCE. R & R PROBES F10, F9, F8, F6, F1, F15 IAW 800 AMM 28-41-21-400-801. FQIS SYS TEST NORMAL REF AMM 28-41-00-730-801. FQIS COMPARISON CHECK 113 LB DIFFERENCE BETWEEN STICK AND INDICATOR, WITHIN LIMITS REF AMM 28-41-0-720-801.

Part: WARNING LIGHT — ILLUMINATED (CABIN TEMP) · airframe 26,523 hrs · 7,957 cycles

CONTROLLER CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED.

Part: CONTROL VALVE — FAILED (A/C BAY) · airframe 26,051 hrs · 7,829 cycles

AFTER ENGINE START AND DURING AND AFTER START CHECKLIST MASTER CAUTION RESET, CONT CAB "ZONE TEMP" LIGHT ILLUMINATED. THE "ZONE TEMP" LIGHT EXTINGUISHED UPON MASTER CAUTION RESET. ACFT GROUNDED. HAD "TRIM VALVE FLT DECK" FAULT. R & R V143, TRIM VALVE FOR CONTROL CABIN IAW AMM 21-61-21-000-801 AND 21-61-21-400-801, LEAK AND OPS CHECK GOOD.

Part: ACTUATOR — FAULTED (RAM AIR) · airframe 26,006 hrs · 7,819 cycles

LEFT PACK LIGHT ON RECALL. PACK OPERATES NORMALLY. ACFT GROUNDED. NR 1 PACK/ZONE CONTROLLER LOGGED RAM AIR ACT FAULT. REPLACED NR 1 RAM AIR ACTUATOR, REF AMM 21-51-21.

Part: CONTROL VALVE — FAILED (A/C BAY) · airframe 25,988 hrs · 7,812 cycles

LEFT PACK LIGHT ON MASTER CAUTION RECALL. ACFT GROUNDED. ZONE TEMP CONTROLLER BITE SHOWED AFT ZONE TEMP CONTROL VALVE HARD FAULT. R & R AND TESTED AFT ZONE TEMP CONTROL VALVE, V145 IAW MM 21-62-01, TEST PASSED.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 25,965 hrs · 7,804 cycles

LEFT PACK LIGHT ILLUMINATED UPON RECALL. ACFT GROUNDED. ACCOMPLISHED BITE CHECK ON BOTH TEMP CONTROLLERS REF MM 21-61-00, NO FAULTS FOUND. GROUND VERIFICATION CHECKS NORMAL.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 25,474 hrs · 7,655 cycles

FMC DATALINK FULL MESSAGE DISPLAYED ON CDU. GROUNDED - YES. CAPACITY OF TEMPORARY DATA BASE EXCEEDED. DELETE UNNECESSARY TEMPORARY WPTS, NAVAIDS OR AIRPORTS FROM DATA BASE IF THIS ALERT APPEARS REF SDS 34-61-00-044. FLIGHT COMPLETE, TEMP DATA BASE CLEARED.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 25,150 hrs · 7,546 cycles

ZONE TEMP CONTROLLER CABIN LIGHT ILLUMINATES ON RECALL, EXTINGUISHES ON RESET. ACFT GROUNDED. NR 2 PACK/ZONE TEMP CONTROLLER LOGGED FLIGHT DECK TRIM VALVE FAULT. RESET FAULT. ACCOMPLISHED NR 2 PACK/ZONE TEMP CONTROLLER BITE CHECK REF MM 21-61-20. TEST PASSED.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 25,154 hrs · 7,547 cycles

FMC DISAGREE PRIOR TO DEPARTURE. ACFT GROUNDED. QRH PROCEDURE ACCOMPLISHED, NORMAL OPS RESTORED.

Part: WARNING LIGHT — ILLUMINATED (APU) · airframe 25,065 hrs · 7,512 cycles

CSS INCOMPLETE APU FAULT LIGHT ILLUMINATED ON 1ST & 2ND ATTEMPTS. 1ST 380 TAT-26, SAT-52 ASA + 5. 2ND 380 TAT -23, SAT -49 ISA +7. ACFT GROUNDED. ON DEFERRAL.

Part: OIL SYSTEM — LOW (APU) · airframe 25,056 hrs · 7,510 cycles

APU FAILED TO START AT FL 380 WITH FAULT LIGHT. ACFT GROUNDED. FOUND MAINTENANCE LIGHT ON, DETERMINED FAULT WAS LOW OIL QUANTITY. SERVICED APU OIL TO PROPER LEVEL REF AMM CH 12-13-31.

Part: CONTROLLER — MALFUNCTIONED (NR 2) · airframe 25,029 hrs · 7,500 cycles

AUTO FAIL AMBER LIGHT ON. ACFT GROUNDED. NR 2 CONTROLLER LOGGED FAULT CODE 101 OVERHEAD PANEL . CYCLED POWER TO ACFT, AUTO FAIL LIGHT EXTINGUISHED. NR 2 AUTO PRESSURE CONTROLLER GROUND VERIFICATION TEST PASSED, REF MM 21-31-00. NO EXISTING FAULTS. NO HISTORY PAST 30 DAYS.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 25,028 hrs · 7,499 cycles

DISCOVERED FMC DISAGREE ON GROUND AFTER 2ND ENGINE START, ACFT GROUNDED. ACCOMP QRH CHECKLIST NORMAL, OPS RESTORED.

Part: CONVERTER — MALFUNCTIONED (APU ENGINE) · airframe 25,012 hrs · 7,492 cycles

APU CSS ATTEMPT TEMP EXCEEDED 980F, SHUTDOWN AND FAULT LIGHT ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED APU BITE CHECK, FOUND FAULT CODE 49-31016 OVERTEMP SHUT DOWN ON CURRENT STATUS. CHECKED OTHER OCCURENCES AND FOUND CODE 49-31016 LOGGED ON 1, 10, AND 11. FAULT DOES RESET AFTER NORMAL SHUTDOWN. TSR ISSUED, REF MM 49-41-6. REPLACED START CONVERTER UNIT. OPS NORMAL, REF SAME MM W/1 APU START, SHUTDOWN. COMPLETED APU OPS TEST IAW AMM 49-11-00-710-801. OPS CK NORMAL.

Part: WARNING LIGHT — ILLUMINATED (APU) · airframe 24,997 hrs · 7,487 cycles

CSS APU INCOMPLETE. ATTEMPTED FL380/FL310, FAULT LIGHT ILLUMINATED-AUTO SHUTDOWN. START AFTER LANDING SUCCESSFUL. ACFT GROUNDED. BITE CHECKED APU-NO FAULTS. ACCOMPLISHED NORMAL APU START. CONTINUE MEL 49-99A.

Part: FUEL DIVIDER — FAULTED (APU) · airframe 24,966 hrs · 7,478 cycles

DURING FIRST ATTEMPTED APU START FOR A CSS, APU EGT APPROACHED 1000". WE WERE LEVEL AT FL 380 AND HAD BEEN AT CRUISE ALTITUDE FOR APPROXIMATELY 3.5 HRS. FAULT LIGHT ILLUMINATED AND APU SHUTDOWN, FAILED TO START, NO SUBSEQUENT STARTS WERE ATTEMPTED. ACFT GROUNDED. INTERROGATED CDU FOR FAULTS. FOUND FAULT 49-31016, OVER TEMPERATURE SHUTDOWN, ON CURRENT STATUS. FOLLOWED FIM 49-30, TASK 803, FIM CALLS MOST POSSIBLE CAUSE, IN FLIGHT: " FUEL FLOW DIVIDER" CHANGED FUEL FLOW DIVIDER, REF: AMM 49-31-15. ALSO, FOLLOWED FIM TO CHECK: FOR BLOCKAGE IN APU FUEL DRAINS & BLOCKAGE OF UNWANTED MATERIALS IN AIR INLET DUCT AND COMPRESSOR INLET PLENUM. NO BLOCKAGE FOUND. CONTINUED THRU FIM 49-30, TASK 803, F(2). CURRENT FAULT 49-31016 CLEARED AND MOVED TO FAULT HISTORY. FAULT HISTORY SHOWS OVERTEMP SHUTDOWN ON STARTS: 2, 10, 33, 96, & 125. POST MAINTENANCE CSS REQUESTED. OPEN PENDING CSS RESULT.

Part: SEAL — FAILED (APU) · airframe 24,939 hrs · 7,470 cycles

APU CSS START FAULT LIGHT CAME ON. COOLED DOWN WITHIN 5 MINUTES. SECOND ATTEMPT SUCCESSFUL AT 35000. ACFT GROUNDED. REMOVED APU, REPLACED AIR INLET SIGMA SEAL IAW MM 49-15-11-400-801, 41581, INSTALLED, LEAK/OPS CHECKED APU.

Part: OIL SYSTEM — LOW (APU) · airframe 24,927 hrs · 7,466 cycles

APU FAILED TO START DURING CSS TEST ON FIRST ATTEMPT AT FL 380 AMBER "FAULT" LIGHT ILLUMINATED QRH FOLLOWED. ACFT GROUNDED. BITE CHECK FOUND APU OIL LOW, SERVICED OIL. OPS CK NORMAL, NO CURRENT FAULTS FOUND.

Part: SATCOM — MALFUNCTIONED · airframe 24,899 hrs · 7,453 cycles

WHEN USING SATCOM 1, TRANSMISSION FROM AIRPLANE TO GROUND WORKS AS ADVERTISED BY PRESSING ACP SATCOM 1 PUSH BUTTON, BUT NEITHER PILOT CAN HEAR ON SATCOM 1 UNLESS SATCOM 2 VOLUME IS SELECTED AND TURNED UP. WHEN USING SATCOM 2 GROUND RECEIVER OVER TRANSMISSION BUT NEITHER PILOT COULD HEAR ANY AUDIO. ACFT GROUNDED. PERFORMED SATCOM COMMUNICATION SYS TEST REF AMM 23-15-00. TESTED BOTH SATCOM NR 1 AND NR 2 FROM BOTH CAPT AND F/O 'S POSITION. OUTGOING AND INCOMING TRANSMISSION NORMAL. ETOPS SIGNIFICANT SYS GROUND VERIFICATION SUCCESSFUL.

Part: FUEL CONTROL — UNKNOWN (APU) · airframe 24,878 hrs · 7,443 cycles

APU FAULT LIGHT ILLUMINATED ON 1ST APU START ATTEMPT OF CSS AT FLIGHT LEVEL 360. SECOND ATTEMPT DESCENDING THROUGH 35,000' WAS SUCCESSFUL. ACFT GROUNDED. TECH SERVICES REQUESTS FUEL CONTROL CHANGE ON APU. REPLACED APU FUEL CONTROL IAW AMM 49-31-11. PERFORMED SUCCESSFUL GROUND VERIFICATION, OPS TEST GOOD, NO LEAKS FOUND, APU BITE CK PERFORMED, NO CURRENT FAULTS FOUND.

Part: SENSOR — MALFUNCTIONED (APU INLET) · airframe 24,832 hrs · 7,425 cycles

FAULT LIGHT ILLUMINATED DURING 1ST APU START ATTEMPT AT FL 380. REATTEMPTED START AT FL 330 WAS SUCCESSFUL WITH NO FAULT LIGHT. ACFT GROUNDED. REPLACED APU INLET PRESSURE SENSOR IAW AMM 49-52-31 AND REPLACED APU INLET TEMPERATURE SENSOR IAW AMM 49-61-31. BOTH SENSORS LEAK CK GOOD. ACCOMPLISH APU BITE PROCEDURE IAW 49-60, TASK 801, NO FAULTS NOTED. ACCOMPLISH APU OPS CK IAW AMM 49-11-00. NO DEFECTS NOTED.

Part: APU — FAULTED · airframe 24,729 hrs · 7,391 cycles

APU "FAULT LIGHT" ILLUMINATED DURING 1ST CSS START ATTEMPT AT FL 360. ACFT GROUNDED. ACCOMPLISHED APU BITE TEST REF 49-60, TASK 801 FOUND FAULT CODE 49-31016 LOGGED. ACCOMPLISHED FIM TASK 49-30, TASK 803, FOUND CURRENT STATUS CLEAR OF FAULT. INTERMITTENT FAULT CORRECTED. APU GROUND VERIFICATION CHECKS NORMAL.

Part: FAULT LIGHT — FALSE ACTIVATION (APU) · airframe 24,704 hrs · 7,379 cycles

DURING TAXI IN, TRIED TO START APU AND RECEIVED A FAULT LIGHT. ACFT GROUNDED. PERFORMED FIM TASK 49-60, TASK 802. FOUND CURRENT STATUS CLEARED, INTERMITTENT FAULT CORRECTED.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 24,514 hrs · 7,320 cycles

FMC DISAGREE LIGHT ILLUMINATED ON GROUND. ACFT GROUNDED. QRH PROCEDURE APPLIED. NORMAL OPERATIONS RESTORED.

Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 24,390 hrs · 7,274 cycles

AFTER LANDING, NR 2 FUEL FILTER BYPASS LIGHT ILLUMINATED. LIGHT WENT OUT AFTER ENGINE SHUTDOWN. ACFT GROUNDED. PERFORMED FIM 73-05 TASK 801. FOUND FAULT 73-31072. REPLACED NR 2 ENGINE FUEL FILTER IAW AMM 73-11-02. NO CONTAMINATION FOUND DURING REPLACEMENT. LEAK CHECKED GOOD. ACCOMPLISHED FIM 73-31, TASK 802, CONNECTOR IS GOOD, FUEL FILTER DIFFERENTAL SWITCH CHECKS BAD. REMOVED FUEL FILTER DIFFERENTIAL PRESSURE SWITCH IAW MM 73-34-01-000-801-F00. INSTALLED A NEW DIFFERENTIAL PRESSURE SWITCH IAW MM 73-34-01-400-801-F00. PERFORMED FUEL FILTER DIFFERENTIAL PRESSURE SWITCH TEST IAW MM 73-34-01-400-801-F00, PARA F SWITCH TEST PASSED. FAULT 73-71072 CLEARED. LEAK CHECKED GOOD. EEC TEST PASSED IAW MM 73-21-00-700-804-F00. EEC TEST PASSED. NE EEC FAULTS NOTED.

Part: FUEL FEED — FAULTED (NR 2 ENGINE) · airframe 24,339 hrs · 7,262 cycles

DURING ACCOMPLISHMENT OF T/C 78273000, LONG TIME FAULT MSG 73-31072, FUEL FLOW SIGNALS DISAGREE. NR 2 ENGINE LEG 2. ACFT GROUNDED. ON DEFERRAL.

Part: FLOOR SUPPORT — CORRODED (BS 747-767) · corrosion level 2 · airframe 24,231 hrs · 7,231 cycles

AFT CARGO COMPARTMENT, RT FLOOR SUPPORT INTERCOSTAL FS 747-767 IS CORRODED. ACFT GROUNDED. REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS IAW SRM 53-00-53-1A-2, 10 PERCENT THICKNESS MAX ORIGINAL MATERIAL THICKNESS IS 0.032 IN REMOVED 0.005 IN REMAINING THICKNESS IS 0.027 IN R & R INTERCOSTAL IAW SRM 51-10-02, PARA 9 AND 51-40-02 AND DWG 146A7500, REV -.

Part: CHANNEL — CRACKED (BS 727B-727D) · airframe 24,231 hrs · 7,231 cycles

AFT CARGO COMPARTMENT, RT SIDEPLATE CHANNEL IS CRACKED AT APPROXIMATELY FS 727C+10. ACFT GROUNDED. ACCOMPLISHED SPLICE REPAIR TO RT SIDEPLATE CHANNEL, APPROXIMATELY FS 727B+10 TO FS 727D+10 IAW SRM 53-00-53-2R-5.

Part: FLOOR PANEL — CORRODED (AFT CARGO BAY) · corrosion level 2 · airframe 24,231 hrs · 7,231 cycles

AFT CARGO FLOOR PANEL CORRODED LT SIDE FROM FS 727I TO FS 727D. ACFT GROUNDED. R & R FLOOR PANEL FS 727D-727I, 140EF IAW AMM 25-52-10 AND SRM 51-10-02, PARA 9. REMOVED DOT O170. CORROSION FOUND BEYOND ALLOWABLE LIMITS IAW ASA 737-800 SRM 53-00-53-1A-1 , MAX ALLOWABLE LENGTH IS 3", DAMAGE LENGTH IS APPROXIMATELY 100".

Part: FLOOR PANEL — CORRODED (AFT CARGO BAY) · corrosion level 2 · airframe 24,231 hrs · 7,231 cycles

AFT CARGO FLOOR PANEL CORRODED LT SIDE FROM FS 767 TO FS 847. ACFT GROUNDED. R & R FLOOR PANEL STA 767-847, 140CF IAW AMM 25-52-10 AND SRM 51-10-02, PARA 9, REMOVED DOT O169. CORROSION FOUND BEYOND ALLOWABLE LIMITS IAW SRM 53-00-53-1A-1, MAX ALLOWABLE DAMAGE IS 3", DAMAGE LENGTH IS APPROXIMATELY 80".

Part: FLOOR PANEL — CORRODED (AFT CARGO BAY) · corrosion level 2 · airframe 24,231 hrs · 7,231 cycles

AFT CARGO FLOOR PANEL CORRODED LT SIDE FROM FS 727D TO FS 727. ACFT GROUNDED. R & R FLOOR PANEL STA 727-727D 140AF /IAW AMM 25-52-10 AND SRM 51-10-02, PARA 9. REMOVED DOT O0170. NO CORROSION FOUND BEYOND ALLOWABLE LIMITS IAW SRM 53-00-53-1A-1 MAX ALLOWABLE DAMAGE LENGTH IS APPROXIMATELY 80".

Part: CHANNEL — CORRODED (BS 727B-779) · corrosion level 2 · airframe 24,231 hrs · 7,231 cycles

AFT CARGO LT TRANSITION PANEL HAS NUMERUS AREAS OF CORROSION FROM FS 727 TO FS 847. ACFT GROUNDED. REMOVED CORROSION AND FOUND WITHIN ALLOWABLE LIMITS OF 10 PERCENT MAX IAW SRM 53-00-1AZ FS 727 TO FS 727B+8, 727E+10 TO 755 AND 779 TO 847, ORIGINAL MATERIAL THICKNESS .040. REMOVED .003 IN MAX REMAINING THICKNESS .037 MIN, ALODINED AND PRIMED REWORKED AREAS IAW SRM 51-20-01, MARKED BLENDOUT AREAS IAW AMM 51-05-01, REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS OF 10 PERCENT MAX IAW SRM 53-00-53-1AZ FS 727B+8 TO 727E +10 AND FS 755 TO FS 779, ORIGINAL MATERIAL THICKNESS .040 REMOVED .010 MAX REMAINING THICKNESS .030 MIN, ACCOMPLISHED 2 EA SPLICE REPAIRS FS 727B+8 TO FS 727E+10 AND FS 755 TO FS 779 IAW SRM 53-00-53-2R-5.

Part: FRAME — CORRODED (BS 727D) · corrosion level 2 · airframe 24,231 hrs · 7,231 cycles

AFT CARGO RT FRAME CORRODED AT TRANSITION PANEL AT FS 727D. ACFT GROUNDED. REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS DUE TO BLENDOUT COMMON TO FASTENER HOLES IAW SRM 53-00-07-1A-1, FIG 102, DETAIL C. ORIGINAL MATERIAL THICKNESS IS 0.063 IN, REMOVED 0.003 IN, REMAINING THICKNESS IS 0.060 IN. ACCOMPLISHED BLENDOUT REPAIR TO FRAME AT FS 727D BETWEEN S25R AND S26R IAW EA 800-53EA-15083, REV NEW AND REO-G18932 REV A.

Part: FLOORBEAM — CORRODED (BS 772) · corrosion level 2 · airframe 24,231 hrs · 7,231 cycles

AFT CARGO FLOOR STRAP CORRODED AT BS 767. ACFT GROUNDED. R & R AFT CARGO FLOOR STRAP AT BS 772 IAW AMM 25-52-10. REMOVED DOT. CORROSION FOUND BEYOND ALLOWABLE LIMITS OF 10 PERCENT THICKNESS MAX IAW SRM 53-00-53-1A-1. ORIGINAL THICKNESS IS 0.010 IN, REMOVED 0.031 IN, REMAINING THICKNESS WAS 0.039 IN.

Part: SKIN — CRACKED (HORIZONTAL STAB) · airframe 24,231 hrs · 7,231 cycles

CRACK FOUND ON RT HORIZONTAL STABILIZER LWR SKIN JUST INBD OF STABILIZER STA 101.9 APPROX 20" FWD OF REAR SPAR. CRACK IS APPROX 1" LONG, ENDS ARE MARKED AND CRACK IS CIRCLED. ACFT GROUNDED. REMOVED DAMAGE AND INSTALLED FILLER & DOUBLER REPAIR ON RT HORIZONTAL AT LOWER SKIN INBD OF STABILIZER FS 101.9 IAW SRM 55-10-01-2R-11.

Part: FLOOR SUPPORT — SCRATCHED (BS 887) · airframe 24,231 hrs · 7,231 cycles

FLOOR SUPPORT BS 887, LBL 49, SCRATCHED ON UPPER SURFACE. ACFT GROUNDED. BLENDED OUT SCRATCH ON UPPER FLOOR SUPPORT AT BS 887, LBL49 FOUND TO BE IN LIMITS IAW SRM 51-10-02 & DWG 147A5690, ALODINED & PRIMED IAW SRM 51-20-01, BLEND OUT IAW AMM 51-02-01.

Part: INTERCOSTAL — CRACKED (BS 344-360) · airframe 24,231 hrs · 7,231 cycles

MAIN CABIN BS 344-360, LBL 11 INTERCOSTAL IS CRACKED AT FASTENER HOLE. ACFT GROUNDED. R & R THE INTERCOSTAL IAW SRM 51-40-02 AND DWG 141A5400.

Part: FLOORBEAM — CRACKED (BS 540) · airframe 24,231 hrs · 7,231 cycles

MAIN CABIN UNDER FLOOR AT BS 540 FLOOR SUPPORT INTERCOSTAL CRACKED, RBL 1.5, DOT ATTACHED. ACFT GROUNDED. REMOVED FLOORBOARD IAW AMM 53-21-00. REMOVED DAMAGED SUPPORT IAW SRM 51-40-02. LOCATED, DRILLED AND DEBURRED NEW SUPPORT IAW SRM 51-40-05 AND BAC DWG 143A5240. INSTALLED NEW SUPPORT IAW SRM 51-40-02 AND BAC DWG 143A4250. INSTALLED FLOORBOARD IAW AMM 53-21-00. DOT REMOVED.

Part: INTERCOSTAL — CRACKED (BS 540) · airframe 24,231 hrs · 7,231 cycles

MAIN CABIN UNDER FLOOR AT BS 540 FLOOR SUPPORT INTERCOSTAL CRACKED, LBL 1.5. ACFT GROUNDED. REMOVED FLOORBOARD IAW AMM 53-21-00. REMOVED DAMAGED SUPPORT IAW SRM 51-40-02. LOCATED, DRILLED AND DEBURRED NEW SUPPORT IAW SRM 51-40-05 AND BAC DWG 143A5240. INSTALLED NEW SUPPORT IAW SRM 51-40-02 AND BAC DWG 143A4250. INSTALLED FLOORBOARD IAW AMM 53-21-00.

Part: ATTACH BRACKET — GOUGED (E/E BAY DOOR) · airframe 24,231 hrs · 7,231 cycles

E & E BAY DOOR CUTOUT AFT SIDE DOOR STOP ATTACH BRACKET IS GOUGED. ACFT GROUNDED. R & R E & E COMPARTMENT CUTOUT AFT FRAME LATCH FITTING IAW SRM 51-10-02, PARA 9, SRM 51-40-02, AND EA 800-53EA-15120, REV NEW, REF CARD G502608, FRAME OVERSIZED HOLES. REMOVED DOT K453.

Part: IDG — LOW (NR 2) · airframe 24,225 hrs · 7,229 cycles

TECH SERVICE REQUEST. REPLACE NR 2 ENGINE IDG DUE TO FREQUENT OIL SERVICING. ACFT GROUNDED. REPLACED NR 2 IDG IAW AMM 24-11-11-000-801, FIG 401 AND AMM 24-11-11-400-801. OP CK & LK CK GOOD IAW AMM 24-11-00-700-803 SERVICING CK GOOD.

Part: SATCOM — LOCKED · airframe 24,166 hrs · 7,211 cycles

SATCOM LOCKUP. ACFT GROUNDED. RESET IAW QRH PROCEDURE.

Part: IDG — UNKNOWN (NR 2) · airframe 24,150 hrs · 7,208 cycles

NR 2 IDG REQUIRES FREQUENT SERVICING. ACFT GROUNDED. NR 2 IDG OIL LEVEL AT ADD LINE. PERFORMED LEAK CHECK IAW MM 24-11-00-700-801. NO LEAKS NOTED. PRESSURE REMAINED AT 25 PSI FOR 10+ MINUTES. R & R NR 2 IDG SCAVENGE AND CHARGE FILTERS AND O-RINGS IAW MM 24-11-41-400-801. RAN ENGINE FOR 10 MINUTES. NO LEAKS NOTED.

Part: WARNING LIGHT — FALSE ACTIVATION (NR 2 A/C PACK) · airframe 24,083 hrs · 7,188 cycles

NR 2 PACK LIGHT ILLUMINATED ON RECALL. RESETS WITH MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED BITE CHECK OF PACK/TEMP CONTROLLER NR 2. FOUND TCV FAULT ON FIRST CHECK. NO FAULTS SECOND CHECK.

Part: VENT — UNKNOWN (NR 2 IDG) · airframe 23,904 hrs · 7,137 cycles

FOLLOW-UP TO NR 2 IDG CONTINUED FREQUENT OIL SERVICING. ACFT GROUNDED. RAN NR 2 END AT IDLE FOR 10 MIN THEN CHECKED FOR OIL ACCUMULATION FROM DRAIN, NO OIL LEAKS OR ACCUMULATION NOTED. R & R THE VENT VALVE IAW AMM 24-11-00-700-804, AS REQUESTED.

Part: WIRE HARNESS — FAILED (NR 2 NACELLE) · airframe 23,855 hrs · 7,121 cycles

NR 2 ENGINE "B" LOOP INOPERATIVE. ACFT GROUNDED. FOUND NR 2 ENGINE "B" LOOP DETECTOR, RT SIDE CORE, OPEN. REPLACED RT SIDE CORE LOOP FIRE DETECTOR IAW AMM 26-11-01-401. ENGINE FIRE OPS TEST GOOD IAW AMM 26-11-00-710-801.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 23,744 hrs · 7,089 cycles

LEFT PACK LIGHT COMES ON AT RECALL, GOES OUT ON MASTER CAUTION RESET. ACFT GROUNDED. NR 1 CONT. BITE SHOWED RAM AIR ACTUATOR FAULT, RESET FAULT. SECOND BITE, NO FAULTS, REF FIM 21-62-00-810-801. GROUND VERIFICATION SUCCESSFUL REF MM 21-61-00. NO HISTORY 30 DAYS.

Part: VALVE — MALFUNCTIONED (RT A/C PACK) · airframe 23,635 hrs · 7,048 cycles

RIGHT PACK LIGHT ILLUMINATED DURING RECALL AND RESETS. ACFT GROUNDED. FOUND TEMPERATURE CONTROL VALVE FAILED BITE CHECK. REPLACED TEMPERATURE CONTROL VALVE ON RT PACK IAW MM 21-51-10.

Part: IDG — FAILED (NR 2 GENERATOR) · airframe 23,582 hrs · 7,037 cycles

NR 2 ENG IDG DPI FOUND EXTENDED. ACFT GROUNDED. ACCOMP FIM 24-11, TASK 803. ACCOMPLISHED IDG SCAVENGE FILTER & IDG OIL INSP CK IAW IDG SCAVENGE & CHG FILTERS INSP/CK TASK 204-11-41-200-801. FOUND NON-METALLIC PARTICLES WITHIN SCAVENGE & CHG FILTERS REF TASK 24-11-41-200-801, TABLE 201, ITEM 3. R & R NR 2 ENG IDG LEAK CK GOOD REF MM 24-11-11. OPS CK OF NR 2 ENG, IDG CHECKED GOOD REF MM 24-11-00.

Part: SIGN — DISLODGED (MID PAX CABIN) · airframe 23,397 hrs · 6,985 cycles

F/A REPORTS - MID-CABIN, "EXIT" SIGN IS DISLODGED FROM MOUNTING BRACKET. ACFT GROUNDED. RESECURED THE EMERGENCY SIGN AS REQUIRED. OK TO CONTINUE. NON ASA 3436144.

Part: IDG — FAILED (NR 2 ENGINE) · airframe 23,225 hrs · 6,939 cycles

AFTER STARTING THE NR 2 ENGINE, THE NR 2 ELECTRIC GENERATOR WOULD NOT COME ON. ZERO FREQS, ZERO VOLTS. ACFT GROUNDED. R & R NR 2 ENGINE IDG ASSY IAW MM 24-11-11-400-801. OPS AND LEAK CHECKED NORMAL.

Part: SATCOM — MALFUNCTIONED · airframe 22,995 hrs · 6,873 cycles

DURING POWER TRANSFER FROM GATE/GROUND POWER TO APU SATCOM LOCKOUT. ACFT GROUNDED. PERFORMED QRH PROCEDURE. SATCOM REGAINED.

Part: SEAL — DAMAGED (NR 1 ENGINE) · airframe 22,868 hrs · 6,842 cycles

NR 1 ENG FAN OUTLET GUIDE VANES INNER SEALS TORN, MATERIAL MISSING 2 EA AT 10 O'CLOCK POSITION, MARKED. ACFT GROUNDED. R & R SEALS FOR 31 ENG FAN OUTLET GUIDE VANES 72-23-01-400-801-100.

Part: PANEL — CRACKED (NR 1 NACELLE) · airframe 22,868 hrs · 6,842 cycles

NR 1 ENGINE FAN DUCT PANEL CRACKED AT FASTENER HOLE NR 6 PANEL. ACFT GROUNDED. R & R 1 ENG FAN DUCT PANEL 72-2302-400-801-100.

Part: VALVE — FAILED (A/C PACK) · airframe 22,860 hrs · 6,838 cycles

AFT CABIN ZONE TEMP LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED BITE TEST OF PACK ZONE TEMP CONTROLLERS IAW AMM. NR 1 CONTROLLER FAULTS ZONE TEMP CONTROL VALVE FOR AFT CABIN. R & R AFT CABIN ZONE TRIM AIR MODULATING VALVE IAW AMM 21-61-21. OPS CHECKED NORMAL.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHT) · airframe 22,836 hrs · 6,826 cycles

DURING ACCOMPLISHEMENT OF TC 78233001 EMERGENCY LIGHT BATTERY PACK FAILED TIME CHECK. ACFT GROUNDED. REMOVED BATTERY PACK POWER SUPPLY AT POSITION M1673 IAW 33-51-06-960-806. INSTALLED BATTERY PACK POWER SUPPLY IAW SAME MM. OPS CHECKED IAW T/C 78233001. OPS CHECKED GOOD.

Part: INDICATOR — FAILED (FUEL QUANTITY) · airframe 22,655 hrs · 6,781 cycles

REFUELING CTR QTY GAUGE INOPERATIVE. ACFT GROUNDED. VERIFIED, TAPPING ON FACE OF GAUGE GOES ON & OFF. R & R CTR REFUEL GAUGE REF MM 28-41-61 4, C/B OPEN & CLOSED, OPS NORMAL.

Part: SHUTOFF VALVE — FAILED (NR 2 ENGINE) · airframe 22,459 hrs · 6,728 cycles

DURING TAKEOFF, DUCT SPLIT NOTED PALT N1, N2 LT DUCT, RT DUCT SAT 2000 88.9 95.1 43-26 +5 302 KTS, 10000 91.4 96.1 45-27-0 M.79, 25000 96.4 97.3 45 30 -31 M.77, 37000 88.8 90.8 45-33-62. ACFT GROUNDED. PERFORMED NR 2 ENGINE BLEED AIR SYS HEALTH CHECK IAW T/C NG-36WC-00001. FOUND NR 2 ENGINE BAR AND PRSOV BAD. REPLACED AND OPS CHECKED NORMAL PRSOV IAW AMM 36-11-4 AND BLEED AIR REGULATOR REF AMM 36-11-03. ACCOMPLISHED NR 2 ENGINE BLEED AIR CROSSOVER TEST AND OPS CHECKED NORMAL REF AMM 36-11-00.

Part: WARNING LIGHT — FALSE ACTIVATION (RT A/C PACK) · airframe 22,441 hrs · 6,721 cycles

RIGHT PACK LIGHT ON. LIGHT GOES OUT ON PUSH TO RESET MASTER CAUTION. ACFT GROUNDED. ACCOMPLISHED FIM TASK 21-53 TASK 810. NO FAULTS NOTED.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 22,281 hrs · 6,677 cycles

AFTER ENGINE START AND SUBSEQUENT POWER CHANGE, FMC DISAGREE. ACFT GROUNDED. PERFORMED FMC DISAGREE PROCEDURE QRH 11.2. DUAL FMC OPERATION FULLY RESTORED.

Part: WARNING LIGHT — FALSE ACTIVATION (A/C PACK) · airframe 22,175 hrs · 6,648 cycles

PACK LIGHT ILLUMINATES ON RECALL, GOES OUT WITH MASTER CAUTION RESET. ACFT GROUNDED PERFORMED PACK/ZONE TEMP FIM 21-62 TASK 848, NR 2 PACK LIGHT RESET, NO HISTORY 30 DAYS.

Part: SATCOM — MALFUNCTIONED · airframe 22,158 hrs · 6,641 cycles

SATCOM INOPERATIVE. SATCOM PROMPT DOES NOT APPEAR ON FMC. ACFT GROUNDED. REBOOTED SATCOM - BITE OK.

Part: SATCOM — MALFUNCTIONED · airframe 21,986 hrs · 6,598 cycles

NO SATCOM PROMPT ON MCDU MENU PAGE AFTER POWER TRANSFER. ACFT GROUNDED. ACCOMPLISHED QRH FOR SATCOM LOCKUP ON GROUND, SYSTEM RETURNED TO NORMAL AFTER 60 SECONDS.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 21,961 hrs · 6,592 cycles

FMC DISAGREE ON TAXI OUT OUT. ACFT GROUNDED. QRH PROCEDURES COMPLIED WITH - NORMAL OPS.

Part: TRANSMITTER — MALFUNCTIONED (NR 2 ENG OIL) · airframe 21,945 hrs · 6,584 cycles

DURING LANDING THE NR 2 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED. ACFT GROUNDED. REPLACED NR 2 ENGINE SCAVENGE OIL FILTER CLOGGING TRANSMITTER IAW AMM 79-21-07. R & R SCAVENGE OIL FILTER IAW AMM 79-21-06. LEAK AND OPS CHECK GOOD IAW AMM 73-21-00 AND 71-00-00.

Part: ANTI-ICE VALVE — FAILED (NR 1 ENGINE) · airframe 21,573 hrs · 6,472 cycles

NR 1 COWL VALVE OPEN LIGHT REMAINED ILLUMINATED BRIGHT BLUE WITH TAI AMBER LIGHT DURING FLIGHT WITH ENGINE ANTI-ICE SWITCH TURNED ON. ACFT GROUNDED. REPLACED NR 1 ENGINE ANTI-ICE VALVE, OPS CK FAILED. R & R VALVE AGAIN REF MM 30-21-11. LEAK & OPS CK GOOD REF SAME. GROUND VERIFICATION SUCCESSFUL.

Part: INDICATOR — FAILED (FUEL QUANTITY) · airframe 21,185 hrs · 6,341 cycles

FUEL QTY INDICATOR FOR TANK 2 ON THE REFUELING PANEL INOPERATIVE. ACFT GROUNDED. REPLACED NR 2 FUEL QTY INDICATOR, ALL OPS NORMAL, REF MM 28-41-61.

Part: BUTTON — INTERMITTENT (FMC) · airframe 21,143 hrs · 6,328 cycles

CAPTAIN'S FMC L2 BUTTON WORKS INTERMITTENTLY. ACFT GROUNDED. REPLACED CAPTAIN'S FMC CDU REF MM 34-61-01, OPS CHECKED GOOD.

Part: CONTROL PANEL — FAILED (FLIGHT DECK) · airframe 20,711 hrs · 6,193 cycles

THE AUTOPILOT SELECTED, DISCONNECTED TWICE DURING THE FLIGHT, ONCE DURING CLIMBOUT AND ONCE IN LEVEL FLIGHT AT 38,000 FT. THE AIR WAS SMOOTH IN BOTH CASES. WHEN THE AUTOPILOT DISCONNECTED IN CRUISE, AUTOTHROTTLES WORKED FINE. ACFT GROUNDED. FCC A & B LOGGED NUMEROUS MCP FAILURES. REPLACED MCP REF MM 22-11-34, OPS CHECKS NORMAL.

Part: SELECTOR PANEL — FAILED (ALTITUDE) · airframe 20,638 hrs · 6,169 cycles

THE ALTITUDE SELECTOR ON THE MCP WILL NOT CHANGE ALTITUDES. ACFT GROUNDED. CONFIRMED FAULT, MCP ALTITUDE NUMBERS FROZEN. PULLED AND RESET "MCP DC2" CIRCUIT BREAKER AT P6-2 PANEL, MCP ALTITUED SELECTOR WILL FUNCTION FOR A WHILE THEN FREEZES UP. REPLACED DFCS MCP AS PRECAUTION IAW AMM 22-11-34 OPS CHECKED NORMAL. ACCOMPLISHED DFCS LRU INTERFACE TEST IAW AMM 22-11-34 (GP 32), DFCS LAND VERIF TEST (GP 49) IAW AMM 22-11-00, AND HGS SENSORS TEST IAW SMM 34-36-00, OPS CHECKED NORMAL. ACFT LWMP STATUS REMAINS AT CAT3A AUTOLAND & HGS, CAT SCREW REFLECT SAME.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 20,604 hrs · 6,156 cycles

FMC DISAGREE LIGHTS CAME ON DURING TAXI. ACFT GROUNDED. PULLED AND RESET FMCS COMPUTER CIRCUIT BREAKERS AND RESTORED FMC DATA.

Part: SELECTOR — MALFUNCTIONED (ALTITUDE) · airframe 20,524 hrs · 6,131 cycles

MCP ALTITUDE SELECTOR INOPERATIVE, NUMBERS IN ALTITUDE WINDOW FROZEN. ACFT GROUNDED. MCP CHECKED NORMAL IAW FIM 22-11TASK 80, ALT SELECTOR. OPS CHECKED NORMAL.

Part: ACARS — MALFUNCTIONED · airframe 20,126 hrs · 5,998 cycles

ACARS DATALINK IS FULL AND IT IS VERY SLOW IN ITS COMMUNICATION FUNCTIONS. ACFT GROUNDED. PERFORMED FIM TASK 34-61-00-810-839. RESET DATA LINK. DATA FULL MESSAGE DO NOT SHOW ON EITHER DIPLAY AFTER 5 MIN INITIAL DISCREPANCY INTERMITTENT FAULT IAW FIM TASK.

Part: STARTER — FAILED (NR 1 ENGINE) · airframe 20,006 hrs · 5,958 cycles

NR 1 ENGINE STARTER BLOWING OIL FROM STARTER AIR EXHAUST. ACFT GROUNDED. REPLACED NR1 ENGINE STARTER WITH NEW IAW AMM 80-11-01. NR 1 ENGINE STARTER VERIFIED EFFECTIVE.

Part: ANTI-ICE VALVE — FAILED (NR 1) · airframe 19,991 hrs · 5,954 cycles

THE LT ANTI-ICE VALVE LIGHT REMAINS BRIGHT BLUE, WHEN THE SWITCH IS POSITION TO ON. THE TAI LIGHT ON THE ENGINE DISPLAY IS GREEN WHEN SWITCH IS POSITION ON. ACFT GROUNDED. REPLACED NR 1 ENGINE NOSE INLET COWL TAI VALVE REF MM 30-21-11. OPS CK OK.

Part: ANTI-ICE VALVE — FAILED (NR 1) · airframe 19,901 hrs · 5,928 cycles

TOOK SEVERAL ATTEMPTS TO GET NR 1 ENGINE ANTI-ICE VALVE TO OPEN. ACFT GROUNDED. R & R NR 1 ENG COWL ANTI ICE VALVE IAW MM 30-21-11-000-801 AND MM 30-21-11-400-801 THRU STEP 3H(3)(F)(2). ACCOMPLISHED STEPS 3H(3)(F) 3&4. ACCOMPLISHED STEPS 3H(3)(F) 5 THRU J(1). ACCOMPLISHED ANTI ICE VALVE TEST IAW AMM 30-21-11-400-801 AND COMPLETED STEPS 3J (2)-(6) +STEP K. OPS AND LEAK CHECKED OK.

Part: WARNING LIGHT — FALSE ACTIVATION (LT NACELLE) · airframe 19,762 hrs · 5,872 cycles

LEFT ENG ANTI-ICE INTERMITENT ON DECENT. ACFT GROUNDED. PERFORMED ENGINE COWL ANTI-ICING, OPS CHECK LT ENG IAW MM 30-21-00-701-801. OPS CHECKED GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (APU) · airframe 19,654 hrs · 5,842 cycles

APU FAULT LIGHT ILLUMINATED ON START, SECOND START NORMAL. ACFT GROUNDED. PERFORMED APU BITE IAW FIM 49-60, TASK 801. FOUND IN FAULT HISTORY CODE 49-61157. PERFORMED FIM TASK 49-60, TASK 804 FOUND TO BE INTERMITTENT FAULT. APU STARTED NORMAL. GROUND VERIFICATION SUCCESSFUL.

Part: CONTROL UNIT — MALFUNCTIONED (E/E BAY) · airframe 19,483 hrs · 5,788 cycles

ELECTRICAL LIGHT ILLUMINATED ON OVERHEAD PANEL. ACFT GROUNDED. PERFORMED BITE CHECK IAW FIM TASK 24-31, TASK 801. SPCU INOPERATIVE FAULT STORED. PERFORMED FIM TASK 24-34, TASK 802. FAULT CLEARED, SEAM C. R & R SPCU IAW MM TASKS 24-34-11-000-801/24-34-11-400-801. OPS NORMAL.

Part: BATTERY — DISCHARGED (MASTER) · airframe 19,471 hrs · 5,783 cycles

MAIN ACFT BATTERIES DEAD. ACFT GROUNDED. R & R BOTH MAIN ACFT BATTERIES REF AMM 24-31-11. OPS CHECKED GOOD REF SAME. VERIFIED PN SEAM C.

Part: FMC — INTERMITTENT (LEFT) · airframe 19,372 hrs · 5,758 cycles

LOST LEFT FMC AT 37,000 FT, FOLLOWED QRH, LT FMC REMAINED FAILED. ACFT GROUNDED. RESET FMC CICUIT BREAKERS IAW AMM 20-60-01-860-801. ACCOMPLISHED FMC FAULT ISOLATION PROCEDURE, IAW FIM 34-61, TASK 836. FMC OPS NORMAL, INTERMITTENT FAULT, NO HISTORY PAST 60 DAYS.

Part: AUTOTHROTTLE SYS — MALFUNCTIONED · airframe 19,228 hrs · 5,709 cycles

AFTER TAKEOFF, AUTOTHROTTLE DROPPED OFF AFTER SELECTING TAKEOFF MODE. DURING CLIMBOUT, AUTOTHROTTLE WOULD ENGAGE FOR 5-10 SECONDS THEN DROP OFF. ACFT GROUNDED.

Part: AUTOTHROTTLE SYS — MALFUNCTIONED · airframe 19,223 hrs · 5,708 cycles

DURING DEPARTURE, AUTO THROTTLE DISENGAGED. WOULD NOT RE-ENGAGE. ACFT GROUNDED. ACCOMPLISHED AUTO THROTTLE SYS OPS TEST, IAW AMM 22-31-00-710-801. AUTO THROTTLE TEST OK.

Part: HANDLE — OBSTRUCTED (R1 DOOR) · airframe 18,749 hrs · 5,581 cycles

R1 DOOR HANDLE VERY STIFF AT FIRST DETENT WHEN OPENING. ACFT GROUNDED. REPOSITIONED R1 DOOR LINER IAW MM 52-41-31.

Part: LIGHT — BROKEN (CABIN) · airframe 18,478 hrs · 5,503 cycles

EMERGENCY LIGHT ON LT SIDE OF CENTER AISLE AT ROW 20ABC BROKEN. ACFT GROUNDED. INSTALLED NEW LIGHT STRIP AMM 33-51-15.

Part: AUTOTHROTTLE SYS — MALFUNCTIONED · airframe 18,056 hrs · 5,373 cycles

INFLIGHT, AUTO-THROTTLES FAIL LIGHT ILLUMINATED AND AUTO THROTTLES DISENGAGED. WOULD ENGAGE FOR A FEW SECONDS THEN DISENGAGE. ACFT GROUNDED. COULD NOT DUPLICATE. A/T FAULT, REVIEW LOGGED NR 1 ASM FAULT NR 22-31687 ON FLT 14, 4 TIMES ONLY. ACCOMP FIM 22-32/819, A/T CURRENT STATUS CK & TORQUE CK NORMAL. ALSO, ACCOMP SEVERAL TIMES SERVO MOTOR TEST REF MM22-31-00 STEP I, TEST NORMAL. NO HISTORY 30 DAYS.

Part: STARTER — FAILED (NR 1 ENGINE) · airframe 17,965 hrs · 5,341 cycles

ON ENGINE START, ENG NR 1 START VALVE OPENED NORMALLY BUT NO ROTATION. ACFT GROUNDED. FOUND NR 1 ENG STARTER WOULD NOT TURN W/START VALVE OPEN, REF 80-11-01-00-801. REPLACED NR 1 ENG STARTER IAW AMM 80-11-01-000-801-F00 & 80-11-01-400-801-F00. OPS & LEAK CHECKED GOOD.

Part: WIRE HARNESS — DAMAGED (NR 2 FIRE LOOP) · airframe 17,933 hrs · 5,331 cycles

DURING T/C N8420001, RT ENGINE EXTERNAL HARNESS GVI, FOUND WIRE DAMAGE FOR UPPER FAN B LOOP, FIRE DETECTOR MW0316, REF WDM 26-11-21. ACFT GROUNDED. REPLACED WIRE HARNESS MW0316 (B LOOP), REF AMM TASK 26-11-021-000-801 AND 26-11-02-400-801. ACCOMPLISHED ENG FIRE DETECTION OPS TEST REF AMM 26-11-00-710-801, TEST PASSED.

Part: ANTI-ICE VALVE — STUCK (NR 1 NACELLE) · airframe 17,750 hrs · 5,275 cycles

DURING DESCENT, NR 1 COWL ANTI-ICE VALVE STUCK OPEN. ACFT GROUNDED. COMPLIED WITH OP TEST OF THE NR 1 ENGINE COWL ANTI-ICING IAW AMM TASK 30-21-00-710-801. OPS TEST THE ENG ANTI-ICE 1 SWITCH SEVERAL TIMES- OP TESTS GOOD. ACFT OK FOR CONTINUED SERVICE.

Part: VALVE — FAILED (A/C BAY) · airframe 17,627 hrs · 5,236 cycles

FORWARD CABIN ZONE TEMP ILLUMINATED DURING RECALL. LIGHT EXTINGUISHED WHEN MASTER CAUTION RESET IAW QRH 215. ACFT GROUNDED. NR 2 ZONE TEMP CONTROLLER BITE REF FIM 21-62, TASK 801 SHOW ZONE TRIM VALVE FAULT. FOUND AFT COMPARTMENT PASS. ZONE TRIM AIR MOD VALVE BAD. REPLACED AFT PASSENGER COMPARTMENT ZONE TRIM AIR MODULATING VALVE REF AMM 21-61-21. OPS CK AND LEAK CK GOOD.

Part: INDICATOR — ACTIVATED (FILTER ELEMENT) · airframe 17,385 hrs · 5,162 cycles

WHILE ACCOMPLISHING TASK CARD N8005001, FOUND APU OIL FILTER INDICATOR POPPED. ACFT GROUNDED. R & R APU OIL FILTER ELEMENT, AND SERVICED FILTER INDICATOR IAW AMM 49-91-13. OPS AND LEAK CK GOOD, NO DEFECTS NOTED.

Part: TRANSCEIVER — FAILED (WX RADAR SYS) · airframe 16,637 hrs · 4,924 cycles

WEATHER RADAR IS SPOKING ALL QUADRANTS ALL RANGES. ACFT GROUNDED. VERIFIED DISCREPANCY. NOTICED SPOKING ON RADAR DISPLAY. REPLACED RADAR RT. PERFORMED SYS OPS TEST REF 34-43-00. SYS CHECKED NORMAL.

Part: CIRCUIT BREAKER — TRIPPED · airframe 16,436 hrs · 4,870 cycles

CAPT FD ILLUMINATED ON ADI, SPEED TRIM & MACH TRIM LIGHTS ILLUMINATED. A/T WOULD NOT ENGAGE. ACFT GROUNDED. FOUND AFCS SYS A WARN LIGHT C/B P18-1 PANEL OPEN. RESET C/B IAW AMM 20-60-01. ACCOMPLISHED LAND VERIFY TEST IAW AMM 22-11-00-700-801. OPS CK NORMAL ACFT OK FOR SERVICE.

Part: INDICATION SYS — MALFUNCTIONED (FUEL QTY) · airframe 16,328 hrs · 4,843 cycles

NR 2 MAIN FUEL TANK READS 8.50. A FEW MINUTES LATER IT IS READING 8.14. TOTAL WAS READING 41.3. NOW IT IS READING 40.9. APU HAS NOT BEEN RUNNING. ACFT GROUNDED. TASK CARD NG-28WC-00001 ACCOMPLISHED. CURRENT STATUS GOOD, REF FIM 28-41-807.

Part: ENGINE — VIBRATION (NR 1) · airframe 15,914 hrs · 4,736 cycles

ON TAKE OFF AND CLIMB, F/A AND PAX REPORTED LOUD VIBRATION FROM LT ENGINE AND ODOR OF OIL & SMOKE IN CABIN. SOUND REDUCED WITH POWER 70 N1. ALL ENGINE INDICATIONS NORMAL VIBRATION INCREASED DURING DESCENT WITH POWER AT IDLE. ALL C/P INDICATIONS NORMAL. NORMAL APP LDG. VIBRATION METER INCREASED TO 1.0 ON DESCENT THEN REDUCED TO .4. TROUBLESHOOTING REVEALED AUDIBLE AND TACTILE VIBRATION FROM NR 1 ENGINE MOST PRONOUNCED AT 91.3 AND 80. ENGINE VIBRATION 1.1 UNITS AT 55-57. REMOVED NR 1 ENGINE IAW T/C 78471000, INSTALLED NR 1 ENGINE REF T/C 78471001.

Part: FLOORBEAM — DAMAGED (CARGO BAY) · airframe 15,905 hrs · 4,732 cycles

AFT CARGO COMP CARGO FLOORBEAM HOLED ON UPPER FLANGE STA NR 765 & RBL 8.10. REPAIRED CARGO FLOORBEAM IAW SRM 53-00-53, REPAIR 4.

Part: FLOOR PANEL — DAMAGED (BS 727J-767) · airframe 15,717 hrs · 4,683 cycles

AFT CARGO FWD OF DOOR FLOOR PANEL REPAIR DOUBLER MISSING RIVET AND CORNER DAMAGED. ACCOMPLISHED E.A 800-25EA-9885.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 15,275 hrs · 4,571 cycles

CONT CABIN AMBER ZONE TEMP LIGHT ILLUMINATED, MASTER CAUTION RESETS LIGHT. PERFORMED BITE CK ON NR 1& NR 2 ZONE TEMP CONTROL. NR 2 SHOWED TRIM VALVE FAULT RESET CONTROLLER, NO FAULT, GROUND VERIFICATION TEST OK IAW AMM 21-61-00-700-806-002.

Part: CONTROL VALVE — MALFUNCTIONED (A/C PACK) · airframe 15,255 hrs · 4,566 cycles

RT PACK LIGHT ILLUMINATED. MASTER CAUTION RESET EXTINGUISHED LIGHT IAW QRH 2.7. ACFT GROUNDED. NR 2 TEMP CONTROLER SHOWS THIS PACK-TCV FAULT. R & R NR 2 TEMP. CONT VALVE REF AMM 21-51-10-000-801. LK & OPS CKD GOOD. BITE TEST PASS REF AMM 21-61-00-700-806-002.

Part: WARNING LIGHT — ILLUMINATED (RT A/C PACK) · airframe 15,027 hrs · 4,508 cycles

ON RECALL, RT PACK LIGHT ILLUMINATES, GOES OUT WHEN RESET. ACCOMPLISHED BITE TEST OF RT TEMP CONTROLLER IAW PLACARD ON FRONT PANEL. RESET TCV FAULT AND BITE TEST GOOD. NO LIGHT ILLUMINATES ON RECALL.

Part: WARNING LIGHT — FALSE ACTIVATION (FMC) · airframe 14,662 hrs · 4,406 cycles

FMC DISAGREE MESSAGE DISPLAYED DURING TAXI. ACFT GROUNDED. FOLLOWED QRH PROCEEDURE AND FMC DISAGREE WAS CLEARED.

Part: WARNING LIGHT — FALSE ACTIVATION (FMC) · airframe 14,530 hrs · 4,366 cycles

ON TAXIOUT RECEIVED A FMC DISAGREE. ACCOMPLISHED FMC FAIL QRH PROC AND IT RETURNED TO NORMAL.

Part: INDICATOR — FALSE INDICATION (FUEL QTY) · airframe 14,470 hrs · 4,348 cycles

UPPER MFD FUEL QUANTITY RT SIDE AND TOTAL FUEL, INTERMITENTLY DISAPPEAR AND REAPPEAR. C/W FIM 28-41 TASK 813 NO FAULTS FOUND & FQIS BITE PASS.

Part: REGULATOR — FAILED (NR 1 BLEED SYS) · airframe 14,165 hrs · 4,268 cycles

ON PUSHBACK, NOTICED BLEED AIR VALVE LT CB POPPED P64 A7. ACFT GROUNDED. CONFIRMED FAULT WITH CIRCUIT BREAKER. RESET BREAKER IAW AMM 20-60-01-860-801. R & R NR 1 BLEED AIR REGULATOR IAW AMM 36-11-03-000-801 AND 36-11-03-400-801. LEAK AND OPS CHECK PERFORMED, OK FOR SERVICE.

Part: CIRCUIT BREAKER — TRIPPED · airframe 14,160 hrs · 4,267 cycles

OPEN CIRCUIT BREAKER FOUND ON PREFLIGHT P6-4 (A) BLEED AIR VALVES LEFT. RESET BREAKER REF AMM 20-60-01-860-801, BREAKER REMAINS CLOSED. NO DEFECTS NOTED.

Part: AUTOTHROTTLE SYS — MALFUNCTIONED · airframe 14,133 hrs · 4,261 cycles

ON CLIMB OUT, AUTO THROTTLE DISENGAGED & WOULD NOT RESET. CYCLED AUTO THROTTLE SYS. AUTO THROTTLES OPS CHECKED GOOD WITH CURRENT STATUS TEST, AUTO THROTTLES TEST, REPLACE TEST IAW BITE GROUP 35, AND HGS MM 34-36-00.

Part: MODULATING VALVE — FAULTED (RT A/C PACK) · airframe 14,039 hrs · 4,238 cycles

AFTER ENGINE START, RECALLED PUSHED, CONTROL CABIN-ZONE TEMP ILLUMINATED. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE, NR 1 CONTROLLER, NO FAULTS. CONTROLLER NR 2 HAS TWO FAULTS. V 143 & V141. CLEARED V143. FOUND RT PACK FAULTING THE TEMP CONTROL VALVE. R & R RT PACK TEMP CONTROL VALVE REF MM 21-51-10 P.401 OPS AND LEAK CHECKED GOOD.

Part: CONTROLLER — FAILED (RT A/C PACK) · airframe 13,982 hrs · 4,222 cycles

RT PACK LIGHT ILLUMINATED ON RECALL, EXTINGUISHED WITH MASTER CAUTION RESET INDICATION, FAILURE OF PRIMARY CONTROLLER. PERFORMED BITE CHECK REF FIM TASK 21-53-00-810-810, CHECKED GOOD.

Part: INDICATOR — INOPERATIVE (NR1 REFUEL PANEL) · airframe 13,683 hrs · 4,150 cycles

NR 1 FUEL GAUGE IN REFUELING PANEL ON WING INOPERATIVE. VERIFIED DISCREPANCY NR 1 REFUEL QTY INDICATOR INOPERATIVE. REMOVED & INSTALLED NR 1 TANK REFUEL IND REF MM 28-41-61-00-801 AND 28-41-61-400-801. PERFORMED OPS CHECKED IAW MM 28-41-61-00-801 AND 28-41-61-400-801. INDICATION CHECKED NORMAL.

Part: CIRCUIT BREAKER — MALFUNCTIONED (AUTOTHROTTLE SYS) · airframe 13,457 hrs · 4,091 cycles

AUTOTHROTTLE INOPERATIVE. ACFT GROUNDED. CYCLED AUTOTHROTTLE CIRCUIT BREAKER. AUTOTHROTTLES OP CHECKED NORMAL. THROTTLE TESTS, REPLACE TEST IAW BITE GROUP NR 35, & HGS SMM 34-36-00.

Part: EXCITER — FAILED (APU) · airframe 12,993 hrs · 3,943 cycles

APU FAULT LIGHT ILLUMINATED ON START ATTEMPT. WAITED 5 MIN, FAULT LIGHT EXTINGISHED ATTEMPTED SECOND START, FAULT LIGHT ILLUMINATED AGAIN. R & R APU IGNITION UNIT, IGNITER PLUG, AND IGNITION LEAD IAW AMM 49-41-31, 49-41-51 AND 49-41-52. PERFORMED APU STARTING AND OPERATION IAW AMM 49-11-00-860-801, APU STARTED OK AND OPS CHECKED GOOD.

Part: INDICATOR — INOPERATIVE (REFUEL STATION) · airframe 13,228 hrs · 4,020 cycles

NR 2 TANK GAUGE INOPERATIVE. R & R NR 2 MAIN TANK REFUEL QUANTITY INDICATOR. OPS TEST GOOD REF AMM 28-41-61-400-801.

Part: FUEL CONTROL — FAILED (APU) · airframe 12,962 hrs · 3,932 cycles

CSS FAILED WITH FAULT LIGHT. ACFT GROUNDED. MAINT HISTORY SHOWS 31 FAULTS-MOST RECENT FAULT 49-91227 LOW OIL QTY-158 STARTS OLD. INSURED P2 SENSOR AND FITTING IN PLEUM IS NOT BLOCKED. REF AMM 49-52-31, R & R APU FUEL CONTROL UNIT IAW AMM 49-31-11.

Part: WIRE HARNESS — LOOSE (NR 1 IDG) · airframe 12,957 hrs · 3,931 cycles

AFTER START NR 1 IDG WOULD NOT COME ON LINE NO VOLTS OR FREQ NOTED. ACFT GROUNDED. FOUND ELECTRICAL CONNECTOR IDG J2 LOOSE. TIGHTENED CONNECTOR. RAN NR 1 ENGINE GENERATOR. NR 1 VOLTS AND FREQS NORMAL AND GENERATOR CONNECTS NORMALLY. OPS CHECKED NR 1 GENERATOR, NORMAL. IDG OIL LEVEL IS GOOD, NO SIGN OF LEAKS.

Part: ELEMENT — MALFUNCTIONED (NR 1 IDG) · airframe 12,613 hrs · 3,820 cycles

FOUND NR 1 ENGINE IDG DELTA P POPPED. THIS IS THE SECOND DPI EXTENSION OCCURRENCE. PERFORMED FIM TASK 24-11-00-810-803 (DPI). INTERROGATED NR 1 ENGINE FMC CDU FOR FAULTS NONE NOTED. REPLACED IDG SCAVENGE AND CHARGE FILTERS REF MM 24-11-41. NO CONTAMINATION NOTED. PERFORMED ENGINE IDLE LEAK CHECK, OPS CHECKED NORMAL DPI NOT EXTENDED ACFT. OK FOR SERVICE.

Part: APU — FAILED · airframe 12,945 hrs · 3,926 cycles

APU, ATTEMPTED CSS AT FL380 AND FAULT LIGHT CAME ON AND WENT OUT 6 MIN AFTER SHUTDOWN START OK AT GATE ON ARRIVAL. APU BITE PROCEDURE PASSES ALL TESTS REF MM 49-61-00. C APU FAULT REVIEW LOGGED FAULT 49-41011 - NO FLAME SHUTDOWN FAULT. APU GROUND START IS NORMAL.

Part: IDG — FAILED (NR 1 GENEREATOR) · airframe 12,945 hrs · 3,926 cycles

THE NR 1 IDG DRIVE LIGHT IS NOT ILLUMINATED WITH NR 1 ENGINE SHUTDOWN. BULBS TESTED GOOD. REMOVED NR 1 ENGINE IDG IAW AMM 24-11-11-000-801 AND REPLACED WITH SERVICABLE IDG IAW AMM 24-11-11-400-801. OPS TESTED NR 1 ENGINE IDG IAW AMM 24-11-00-700-802 NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (APU) · airframe 12,980 hrs · 3,907 cycles

APU FAULT LIGHT ILLUMINATED ON FIRST INFLIGHT START ATTEMPT. OPERATED APU ON GROUND MULTIPLE CYCLES NO LIGHT ILLUMINATION.

Part: GENERATOR — UNKNOWN (APU) · airframe 12,833 hrs · 3,889 cycles

DURING CSS APU WOULD NOT START. FAULT LIGHT ILLUMINATED. ACCOMPLISHED BITE TESET PER FIM TASK 49-60-00-810-801, SHOWED MAINTENANCE MESSAGE 49-41011. GROUND STARTED APU TWO TIMES, NO FAULT LIGHTS ILLUMINATED. OPS NORMAL. REPLACED APU FUEL FLOW DIVIDER SOLENOID AND APU SGU. REMOVED AND REPLACED APU START GENERATOR IAW AMM 49-41-21-000-801. OPS CHECKED NORMAL. LEAK CHECK OK.

Part: ANTI-ICE VALVE — MALFUNCTIONED (NR 1 NACELLE) · airframe 12,286 hrs · 3,730 cycles

NR 1 ENG "COWL VALVE OPEN" LIGHT FLICKERED TO BRIGHT/DIM INTERMITTENTLY PRIOR TO DESCENT FROM FL370 (THE BLUE LIGHT). ACFT GROUNDED. R & R ENGINE COWL TAI VALVE IAW AMM 30-21-11. GROUND FUNCTIONAL TEST GOOD IAW AMM 30-21-710-801. NO HISTORY LAST 30 DAYS.

Part: GCU — INOPERATIVE (NR1 ENGINE) · airframe 12,048 hrs · 3,658 cycles

AFTER ENGINE START ON PUSH BACK. NR 1 ENGINE GEN WOULD NOT COME ON LINE. VOLTS/FREQS CHECK GOOD. ACFT GROUNDED. PERFORMED FIM TASK 24-21-00-810-807 GCB/APB FAULT. R & R NR 1 ENGINE GENERATOR CONTROL UNIT REF MM 24-21-81-400-801. OPS CHECKED GOOD.

Part: CONTACTOR — INOPERATIVE (ELECTRICAL) · airframe 12,021 hrs · 3,647 cycles

AFTER PUSH BACK, LEFT GENERATOR WOULD NOT COME ONLINE CAPTAINS PFD NAV DISPLAY AND PRIMARY ENGINE INSTRUMENTS DISPLAY WENT BLANK AND REMAINED BLANK UNTIL ENGINE SHUTDOOWN AT GATE AND ON APU POWER. F/O'S PFD HAD DISPLAY SOURCE DISPLAYED WHEN 3 DU'S WERE BLANK. ACFT GROUNDED. PERFORMED ENGINE RUN WITH CREW. FOUND LT ENGINE GENERATOR WILL NOT GO ONLINE. RT ENGINE GENERATOR POWER A/C WITH NO DEFECTS NOTED. LT IDG OIL LEVEL FULL. R & R NR 1 ENGINE GCB IAW MM 24-21-41. OPS CHECKED GOOD.

Part: UNKNOWN — MALFUNCTIONED (AUTOPILOT SYS) · airframe 11,412 hrs · 3,470 cycles

ON APPROACH AT ABOUT 1500 AGL "APPROACH MODE" AUTOPILOT "B" ENGAGED AUTOPILOT B DISENGAGED ITSELF. DID NOT TRY TO RE-ENGAGE AUTOPILOT. ACCOMPLISHED FIM 22 11 TASK 801. LOC BEAM ANOMOLY DET FAULT LOGGED ON LEG 1. LAND VERIFY TEST PASSED. GROUND VERIFICATION SUCCESSFUL.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 11,292 hrs · 3,438 cycles

AFTER START THE NR 1 ENGINE GENERATOR WOULD NOT GO ONLINE. DURING 1ST ATTEMPT THE VOLTS AND FREQUENCY WAS NORMAL. ON 2ND ATTEMPT TO CONNECT THE GENERATOR IT SHOWED 0 VOLTS AND FREQUENCY. PERFORMED GENERATOR CONTROL UNIT BITE PROCEDURE PER FIM TASK 24 21 00 810 801. FOUND GCB/APB FAULT PERFORMED FIM TASK 24 21 00 810 807. RAN NR 1 ENG IDG OP'S CHECK GOOD NO MAINT MESSAGE NOTED. ITEM WAS INTERMITTENT FAULT A/C OK FOR SERVICE.

Part: SERVO — FAULTY (AUTOTHROTTLE SYS) · airframe 11,082 hrs · 3,379 cycles

HOLDING SHORT OF RUNWAY AUTOTHROTTLE INOP. WOULD NOT ENGAGE PRIOR TO TAKEOFF. ACCOMP A/T SERVO MOTOR TEST FAULTED NR 2 ASM MSG 22 31781. REPLACED NR 2 AUTOTHROTTLE SERVO MOTOR WITH SERVICABLE ONE. ACCOMP A/T SERVO MOTOR INST TEST. TEST PASS REF M/M 22 31 91 400 801.

Part: SHIM — DAMAGED (NR 2 ENGINE) · airframe 10,947 hrs · 3,335 cycles

NR 2 ENG FAN LUBE 24 EA FAN BLADE SHIMS REQ REPLACEMENT P/N 340 252 307 0 NO MOLY 0 DAG COATING. NR 2 ENG 24 SHIMS P/N 340 252 307 0 REPLACED REF T/C 78472002.

Part: VALVE — MALFUNCTIONED (NR 2 BLEED SYS) · airframe 10,879 hrs · 3,311 cycles

AIR CONDITIONING DUCT PRESSURE SPLIT OVER 20PSI. LEFT 50 RIGHT 29 PSI. ACCOMPLISHED NR 2 ENGINE BLEED AIR SYSTEM HEALTH CHECK IAW AMM 36-11-00-700-801. NR 2 ENGINE HIGH STAGE VALVE AND PCCV FAILED. HIGH STAGE VALVE DID NOT MANUALLY OPEN AND CLOSE SMOOTHLY AND PCCV POSITION INDICATOR DID NOT CLOSE WITHIN 30 DEGREES OF CLOSED AT 14 PSI. REPLACED HIGH STAGE VALVE AND PCCV IAW AMM 36-12-02-000-801 AND AMM 36-11-06-000-801. LEAK AND OPS CHECKED GOOD.

Part: SEAL — DAMAGED (NR 1 ENGINE) · airframe 10,697 hrs · 3,263 cycles

WHILE TROUBLSHOOTING NR 1 ENG FUEL LEAK ENGINE FAILED LEAK CHECK. STEADY STREAM OF OIL COMING FROM FUEL PUMP PACKAGE/AGB CAVITY DRAIN TUBE. REMOVED NR 1 ENG FUEL PUMP PACKAGE, REPLACED OIL SEAL PER MM 72 60 00 400. REF EA 7311 01021 FOR AGB SEAL REPLACEMENT/PUMP REPLACEMENT. TESTED NR 1 ENGINE IAW MM 71 71 00 200 801 F00 & 71 00 00 800 811 F00, NO FAULTS FOUND.

Part: PUMP — LEAKING (NR 1 ENGINE) · airframe 10,687 hrs · 3,260 cycles

AFTER PUSHBACK AND ENGINE START ANOTHER AIRCRAFT REPORTED SUBSTANTIAL AMOUNT OF FUEL STREAMING FROM NR 1 ENGINE. SHORTLY THEREAFTER A STRONG ODOR OF RAW FUEL WAS PRESENT IN THE CABIN AND FLIGHT DECK. FUEL AT IDLE INDICATED .84 ON NR 1 ENGINE AND .80 ON NR 2 ENGINE BEFORE SHUTDOWN AND RETURN TO GATE. PERF IDLE LEAK CHECK AND ACCOMP FUEL LEAK CHECK REF MM 71 71 00. STEADY STREAM OF FUEL FROM FUEL PUMP PAD DRAIN DURING START AND THERE AFTER. LEAK IS OUT OF LIMITS. COMPLETED FUEL PUMP PACKAGE PER 73 11 01 400 801 F00. COMPLETED HMU PER 73 21 10 400 801 F00. ACCOMPLISHED E.A. 800 73EA 06972.

Part: IDG — FAILED (NR 2 ENGINE) · airframe 10,528 hrs · 3,210 cycles

COULD NOT ESTABLISH NR 2 ENGINE DRIVEN GENERATOR ON THE BUS AFTER PUSHBACK. NR 2 ENGINE DRIVEN GENERATOR 0 VOLTS 0 FREQS CONFIRMED. DRIVE LITGH GOES OUT & COMES BACK ON. NR 2 GCU SHOWS IDG FAULT. REQUIRES NR 2 ENGINE IDG REPLACMENT REF FIM TASK 24 21 00 810 806. REPLACED NR 2 ENGINE IDG REF AMM 34 11 11. LEAK CHECK GOOD. OPERATIONAL TEST FOR NR 2 ENGINE IDG GOOD REF AMM 24 11 00 700 803.

Part: UNKNOWN — MALFUNCTIONED (AUTOTHROTTLE SYS) · airframe 10,425 hrs · 3,181 cycles

AUTOTHROTTLES INOP AND WILL NOT REMAIN ENGAGED IN ANY PHASE OF FLIGHT. COULD NOT DUPLICATE. A/T LOGGED ON RELATED DEFECT FLT LEG ASM2 NR 22 31688 FAULT. ACCOMP CURRENT STATUS CK & PRECAUTIONARY PERFORMED SERVO MOTOR TEST NUMEROUS TIMES, ALL CHECK NML REF FIM:22 32/819 & MM:22 31 00.

Part: DETECTOR — FAILED (TAILPIPE) · airframe 10,171 hrs · 3,099 cycles

AMBER APU FIRE DET INOP LIGHT REMAINED ILLUMINATED AFTER APU STARTED. REPLACED APU TAILPIPE OVERHEAT DETECTOR ASSEMBLY REF MM26 15 01. TESTED OPS NORMAL.

Part: SENSOR — DEFECTIVE (NR 1 ENGINE) · airframe 10,052 hrs · 3,060 cycles

ON TAKEOFF USING 24K REDUCED POWER (92.1 N1) LEFT ENGINE WAS MOVING BETWEEN 90 N1 93 N1. AUTOTHROTTLES DISENGAGED REDUCED POWER TO APPROX 75 PERCENT N1 AND ENG RAN NORMAL. HOWEVER WITH AT OFF AND POWER AT 25K (CLIMB POWER) ENGINE STILL FLUCTUATING. RETURNED TO SEA. N2 & FF WAS ALSO FLUCTUATING. DIVERSION TIME: 13 MIN. RAN NR 1 ENGINE PER AMM TASK 71 00 00 800 807 F00. EXPERIENCED N1 N2 FF AND EGT FLUCTUATION AT 65 PERCENT N1 AND 91 PERCENT N1. DISCONECTED EEC FLUCTUATION CONTINUED. REPLACED T12 SENSOR ON NR 1 ENGINE PER MM 73 21 05 400. NO FLUCTUATIONS AT POWER NO EEC FAULTS. REPAIR CONFIRMED PER FIM 73 06 00 810 STEP F.

Part: GUIDE ARM — OUT OF ADJUST (ENTRY DOOR) · airframe 10,015 hrs · 3,048 cycles

L1 DOOR WILL NOT OPEN. REMOVED L1 DOOR LINER & SLIDE ASSY ON L1 DOOR. REPLACED PIN AND SCREW ASSY ON UPPER GUIDE ARM. OPS CHECK GOOD. RE-INSTALLED DOOR LINER PER MM 52 11 31 AND SLIDE ASSY PER M/M 25 66 01.

Part: UNKNOWN — MALFUNCTIONED (FUEL SYSTEM) · airframe 9,981 hrs · 3,038 cycles

FUEL IMBAL LIGHT AT TOP OF CLIMB, LT WING 5200, RT WING 6200. REBALANCED FUEL AT CRUISE. ACCOMPLISHED ENGINE FUEL FEED PUMP CHECK REF AMM 28 22 00, OPS CHECK GOOD.

Part: SHIM — WORN (NR 1 ENGINE) · airframe 9,783 hrs · 2,958 cycles

23 EACH FAN BLADE SHIMS COATING WORN NR1 ENG. REPLACED 23 EACH FAN BLADE SHIMS NR 1 ENG. REF TASK CARD 78472002.

Part: FILTER — DEFECTIVE (NR 1 IDG) · airframe 9,742 hrs · 2,948 cycles

DURING PDC FOUND LEFT IDG DPI POP. PERFORMED FIM TASK 24 11 00 810 803 IDG DPI FAULT ISOLATION. REPLACED NR 1 IDG OIL SCAVENGE AND CHARGE FILTERS AND CHANGED NR 1 IDG OIL. NO FURTHER FAULTS NOTED.

Part: BATTERY — MALFUNCTIONED (E&E BAY) · airframe 9,302 hrs · 2,816 cycles

MAIN BATT SHOWS A CONSTANT CHARGE OF 2 AMPS BATT VOLTAGE IS 27. REPLACED AUX BATTERY REF MM 24 31 11. OPS NML SAME. REPLACED MAIN PRIMARY BATTERY REF MM 24 31 11. OPS NORMAL SAME. GROUND VERIFICATION ON BOTH BATTERIES CHECK GOOD.

Part: DRIVE UNIT — FAILED (WEATHER RADAR) · airframe 9,074 hrs · 2,749 cycles

WX RADAR FAIL LIGHT PWS FAIL & ANT SHOWED. REPLACED WX RADAR ANT DRIVE UNIT OPS CK GOOD REF AMM 34 43 11. OPS CHECK GOOD REF AMM 34 43 00.

Part: TRANSCEIVER — FAILED (WEATHER RADAR) · airframe 9,031 hrs · 2,733 cycles

ON PREFLIGHT WXR RADAR/PWS FAIL. DUPLICATED DEFECT. REPLACED WXR RECEIVER/TRANSMITTER REF MM 34 43 41, OPS CHECK NORMAL.

Part: RING — DAMAGED (OIL CAP) · airframe 8,934 hrs · 2,705 cycles

NR 1 ENG RING CONNECTING OIL CAP TO LANYARD IS DAMAGED. REMOVED AND REPLACED LANYARD RING ASSY, OPS NML.

Part: ANTENNA — DEFECTIVE (WEATHER RADAR) · airframe 8,934 hrs · 2,705 cycles

RADAR IS SPOKING ALL QUADS IN CAL MODE IN WX T. UNABLE TO DUPLICATE. NO HISTORY LAST 30 DAYS. REPLACED WXR RADAR ANTENNA PRECAUTIONARY REF MM 34 43 11. OPS NML REF SAME.

Part: UNKNOWN — MALFUNCTIONED (FMC) · airframe 8,594 hrs · 2,602 cycles

"FMC DISAGREE" LIGHT AND ANNUNCIATION ON NAV DISPLAY. FOLLOWED QRH PROCEDURE RESET FMC CIRCUIT BREAKERS FMC RETURNED TO NORMAL OPS.

Part: ANTI-ICE VALVE — FAULTY (NR 1 ENGINE) · airframe 8,521 hrs · 2,581 cycles

ENG NR 1 TAI LIGHT ILLUMINATED AMBER AND COWL VALVE OPEN LIGHT REMAINED ILLUMINATED BRIGHT BLUE WITH ENG ICE SWITCH IN THE ON POSITION. RAN ENGINE NR 1 OPS CHECKED ENG NR 1 COWL ANTI ICE VALVE VERIFIED FAULT REF MM 30 21 11. REPLACED ENG NR 1 ENGINE COWL TAI VALVE REF MM 30 21 11. OPS CHECKED ENG NR 1 TAI COWL VALVE OPS OK REF MM 30 21 11.

Part: UNKNOWN — MALFUNCTIONED (ELECTRICAL SYS) · airframe 8,498 hrs · 2,572 cycles

IDG "DRIVE" LIGHT NOT ON DURING PREFLIGHT. PER FLT CREW DRIVE LT OPERATED NORMALLY. SUSPECT BATTERY SW WAS IN OFF POSITION CAUSING NR 1 DRIVE LT TO EXTINGUISH. NORMAL OPERATION REF MM 24 11 11 700 801 STEP E1. NO HISTORY PAST 30 DAYS.

Part: UNKNOWN — MALFUNCTIONED (FMC) · airframe 8,363 hrs · 2,529 cycles

SINGLE FMC OPERATION ANNUNCIATED "MAP" ON F/O'S ND. VERIFIED DISCREPANCY. RESTORED DUAL FMC OPS REF FIM TASK 34 36 00 807. GROUND VERIFICATION TEST NORMAL.

Part: UNKNOWN — MALFUNCTIONED (AUTOPILOT SYS) · airframe 8,252 hrs · 2,492 cycles

DURING PREFLIGHT THE MODE CONTROL PANEL DISPLAYS ARE BLANK. NO CIRCUIT BREAKERS OUT CYCLED AIRCRAFT POWER. RESTORED MODE CONTROL PANEL DISPLAYS AND ACCOMPLISHED DFCS GP49 LAND VERIFY TESTS AND HGS TEST IAW AMM 22 11 00.

Part: CONTROL VALVE — FAULTY (AC BAY) · airframe 7,938 hrs · 2,367 cycles

ON RECALL ON AFTER START RIGHT PACK LIGHT ON. MASTER CAUTION RESET PACK LIGHT GOES OUT. FAULT CODE 216 224 000. BITE CHECK SHOWS R TCV FAULTED. REPLACED RIGHT PACK TCV. OPS/LEAK CHECK GOOD REF AMM 21 51 10 400 801.

Part: UNKNOWN — MALFUNCTIONED (FMC) · airframe 7,563 hrs · 2,254 cycles

FMC DISAGREE MESSAGE ON GROUND. FOLLOWED QRH FMC OPS NORMAL.

Part: IDG — DEFECTIVE (NR 2 ENGINE) · airframe 7,405 hrs · 2,204 cycles

NR 2 DRIVE LIGHT OFF ON PREFLIGHT INSPECTION. DETERMINED THAT THE INTERNAL PRESSURE SW OF NR 2 IDG IS DEFFECTIVE REF WDM 24 11 21. REMOVED AND REPLACED NR 2 IDG REF MM 24 11 11. OP CHECK GOOD.

Part: SERVO — FAILED (AUTOTHROTTLE SYS) · airframe 7,143 hrs · 2,125 cycles

DURING T/O ROLL AUTOTHROTTLES DISENGAGED WOULD NOT RE-ENGAGE. REPLACED NR 2 A/T SERVO MOTOR REF MM 22 31 91, OPS CHECK NORMAL.

Part: SERVO — FAILED (AUTOTHROTTLE SYS) · airframe 7,096 hrs · 2,111 cycles

ON TAKEOFF ROLL AUTO THROTTLES DISCONNECTED ON POWER UP. LEFT/RT SPLIT. LEFT THROTTLE ADVANCED FASTER THEN THE RIGHT. SERVO MOTOR TEST FAILS. UNABLE TO GET RIGHT THROTTLE TO MOVE. NUMEROUS FAULTS. NR 2 ASM SUSPECTED FAULT. REPLACED NR 2 ASM REF MM 22 31 91. OPS CHECK NORMAL REF SAME MM. CURRENT STATUS AND SERVO MOTOR TEST GOOD REF 22 31 00.

Part: CHARGER — MALFUNCTIONED (E&E BAY) · airframe 6,672 hrs · 1,984 cycles

ELECTRIC LIGHT ILLUMINATED (ELECTRIC FAULT OVERHEAD PANEL). REPLACED BOTH AUXILIARY AND MAIN BATTERY PER AMM 24 31 11 000 802 002 AND AMM 24 31 11 400 802 002 UP TO PG 2 G1D. REPLACED AUXILIARY BATTERY CHARGER PER AMM 24 31 31 000 801. OPS CHECK OK PER AMM 24 31 31 710 801. ACCOMPLISHED FIM TASK 24 31 00 810 810 & 24 31 00 824. AUX BATTERY CHARGER MAIN TERMINALS SHOW ARCING. CRIMPED NEW TERMINALS PER SWPM REF 20 31 11. PERFORMED AUX BATTERY CHARGER OPERATIONAL CK PER PER AMM REF 24 31 31 710 801. OPS CHECKS GOOD. TSR ISSUED. REPLACED SPCU FOR BENCH CHECK PER AMM REF 24 34 11 CHECK'S GOOD. ACCOMPLISHED MAIN BATTERY CHARGER TEST AMM 24 31 21 710 801 CHECK'S GOOD. REPLACED BATTERY CHARGER C/B C809 P/N BACC18AC7 REF IPC 24 21 21 44K.

Part: CONNECTOR — LOOSE (E&E BAY) · airframe 6,657 hrs · 1,981 cycles

RECEIVED "ELEC" LIGHT ON LANDING. SYS LOGGED BATT CHARGER INOP MESSAGE. FOUND LOOSE CONNECTION ON BATT CHARGER C/B C142 TIGHTENED SAME. SYS OPS CHECKS NORMAL PER 24 31 21.

Part: TRANSCEIVER — FAILED (E&E BAY) · airframe 6,510 hrs · 1,942 cycles

NR 1 HF RADIO DISPLAYS FAIL. CYCLED NR 1 HF PWR. DISPLAY & RADIO OPERATION RETURNED TO NORMAL. HOWEVER NR 1 HF BITE CHECK FAIL. KEY INTERLOCK LED WOULD NOT ILLUMINATE FOR 1 TO 3 SECONDS. REMOVED & REPLACED NR 1 HF TRANSCEIVER. OP CHECK NORMAL. REF MM 23 11 21 000 801 23 11 21 400 801 & FIM 23 11 00 810 801.

Part: VALVE — MALFUNCTIONED (BLEED AIR SYS) · airframe 6,455 hrs · 1,925 cycles

AT FL340 DUCT PRESSURE SPLIT: RIGHT = 44 PSI LEFT 16 PSI ALL OTHER INDICATIONS WERE NORMAL NOTE: ON DESCENT AS POWER DECREASED THRU 70 PERCENT NI1 THE NEEDLES MATCHED IF POWER INCREASED THRU 72 PERCENT N1 THE NEEDLE SPLIT AT LOW ALTITUDE (10 000 & BELOW) NEEDLES MATCHED AT ALL POWER SETTINGS. REPLACED ENG 1 PRECOOLER VALVE PER AMM 36 12 01 PB401. REPLACED PRECOOLER CONTROL VALVE PER AMM36 12 03 PB401. REPLACED BLEED AIR REGULATOR PER AMM 36 11 03 PB401D. REPLACED HIGH STAGE VALVE PER AMM 36 11 06 PB 401. LEAK CHECKED BLEED AIR SYSTEM USING APU AIR PER AMM 36 11 00 700 802, NO LEAKS NOTED. PERFORMED REPAIR CONFIRMATION TEST PER FIM TASK 36 10 00 810 803. RAN ENGINES AT 80 PERCENT N1 SYSTEM OPS GOOD. NO SPLIT NOTED. VERIFICATION FLIGHT SUCCESSFUL.

Part: SHUTOFF VALVE — FAILED (BLEED AIR SYS) · airframe 6,450 hrs · 1,924 cycles

AFTER LEVEL OFF AT FL 360 NOTICED DUCT PRESSURE SPLIT RIGHT 42 LEFT IS 15 WHEN THRUST REDUCED LEFT PRESSURE INCREASES TO 18 PSI NO OTHER ANOMALY’S IDLE THRUST DESCENT SHOWS 18 PSI ON BOTH. REMOVED AND REPLACED LT ENG PRSOV REF AMM 36 11 04 LEAK CHECK AND FUNCTIONAL CHECKS GOOD. ALSO PERFORMED ENGINE IDLE RUN CHECK NO DUCT SPLIT NOTED.

Part: WARNING SYSTEM — FALSE ACTIVATION (ELECTRICAL SYS) · airframe 6,307 hrs · 1,878 cycles

THE "ELEC" LIGHT ILLUMINATED. ACCOMPLISHED FIM TASK 24 31 00 810 801. FAULT RESET AND CLEARED. OPS CHECK NORMAL.

Part: BATTERY — DISCHARGED (E&E BAY) · airframe 6,310 hrs · 1,879 cycles

AT CRUISE FL350 MASTER CAUTION ILLUMINATED & RECALL DISPLAYED ' ELEC ' . BAT DISCHARGE LIGHT ILLUMINATED ON DC ELEC PANEL. DC AMPS FLUCTUATING BETWEEN 6 AND + 15 AMPS. DC VOLTS READING 26 VOLTS [BAT POS]. DIVERSION TIME 78 MINUTES. PERFORMED FIM TASK 24 31 00 810 801 ELEC LIGHT MESSAGE BITE. FOUND MAINT MESSAGE BAT CHARGER INOP. CHANGED BOTH SHIP BATTERIES AND BAT CHARGER PER AMM 24 31 21/11 AND OPS CK PER AMM 24 31 21 710 801. VERIFICATION FLIGHT SUCCESSFUL.

Part: SLIDING WINDOW — OVERHEATED (COCKPIT) · airframe 6,162 hrs · 1,834 cycles

WINDOW HEAT R OVERHEAT SIDE ILLUMINATED. REMAINED ILLUMINATED AFTER COMPLETION OF QRH PROCEDURE FAULT CODE 304 020 42. REPLACED NR 2 RT SLIDER WINDOW PER MM 56 12 11 000 AND 56 12 11 400. OPS CHECK GOOD.

Part: KEYBOARD — INOPERATIVE (MCDU) · airframe 6,105 hrs · 1,811 cycles

THE CAPTAINS MCDU'S L2 SELECTING BUTTON IS INOP. THIS IS THE SECOND BUTTON FROM THE TOP ON THE LEFT SIDE OF THE CAPTAINS MCDU. THE CAPTAINS MCDU IS OTHERWISE COMPLETELY OPERATIVE JUST THE L2 BUTTON IS INOP. REPLACED NR 1 MCDU AND KEYBOARD REF MM 34-61-01, OPS CHECK NORMAL.

Part: WARNING LIGHT — ILLUMINATED (COCKPIT) · airframe 6,021 hrs · 1,785 cycles

LEFT PACK LIGHT ILLUMINATES DURING RECALL AND DOES RESET. ACCOMPLISHED FIM TASK 21 53 00 810 811, OPS CHECK NORMAL.

Part: FILTER — OBSTRUCTED (APU) · airframe 5,889 hrs · 1,741 cycles

STARTED APU NORMALLY, WAITED APPROX 30 TO 60 SECONDS TO CONNECT APU GEN, IMMEDIATELY AFTER CONNECTING APU GEN IT DROPPED OFF LINE & APU AUTO SHUTDOWN W/APU FAULT LIGHT ILLUMINATED. STARTED APU RUN FOR ABOUT 60 SEC NORMALLY THEN AUTO SHUT DOWN WITH FAULT LIGHT AND CDU MESS 49 94299 STARTER GEN SHOWS OIL FILTER CLOGGED. CHECK MAG DRAIN PLUG (CHIP DET), NO FOD NOTED. REF AMM 49 91 81 REPLACED STARTER GENERATOR FILTER ELEMENT REF AMM 49 91 12. REPLACED OIL FILTER INDICATOR (PRESSURE SWITCH) OPS CHECK OK NO LEAKAGE NOTED ON APU RUN REF AMM 49 91 13.

Part: IDG — FAILED (NR 1 ENGINE) · airframe 5,034 hrs · 1,495 cycles

LEFT GEN DRIVE LIGHT ILLUM IN FLT. FOLLOWED QRH PROCEDURE. LEFT GEN DRIVE DISCONNECTED. REPLACED NR 1 ENG IDG PER M/M 24 11 11. GEN DRIVE & BUSS OFF LIGHT RELAMPED. OPS CHECK GOOD PER M/M 24 11 00.

Part: UNKNOWN — MALFUNCTIONED (AC BAY) · airframe 4,958 hrs · 1,471 cycles

LEFT PACK LIGHT ILLUMINATED ON RECALL. QRH WAS ACCOMPLISHED AND LIGHT EXTINGUISHED AFTER RESET. PERFORMED PACK / ZONE TEMPERATURE CONTROLLER BITE CHECK NO FAULTS NOTED PER AMM 21 62 00 810 801. CREW REPORTED NO PACK LIGHT ON RECALL. GROUND VERIFICATION COMPLETE.

Part: TRANSCEIVER — MALFUNCTIONED (WEATHER RADAR) · airframe 4,805 hrs · 1,427 cycles

WX RADAR "SPOKING" AFTER 5 TO 6 SPOKES PER SWEEP GROUNDED YES. CONFIRMED REMOVED & REPLACED WX RADAR TRANSCEIVER REF MM 34 43 41 000 801 / 400 801. OPS NML PER SAME. ETOPS GROUND VERIFICATION GOOD.

Part: VALVE — FAILED (BLEED AIR SYS) · airframe 4,504 hrs · 1,330 cycles

CLIMBING THRU FL 330 DISCOVERED SPLIT OF 23SPI. AT FL370 LEFT DUCT IS 43PSI RIGHT IS 21PSI. N1 AT 91 PERCENT N2 AT 94.4 SAT= 44C TAT= 16C. ENGINES ARE MATCHED PARAMETERS OTHER THAN DUCT PRESSURE. PRESSURIZATION NORMAL. DUCT PRESSURES CONVERGED TO SAME PRESSURE OF 42 PSI AFTER 1.5 HOURS. PERFORMED ENG BLEED AIR SYS HEATH CHECK & PRECOOLER CONT. VLV SYS HEATH CHECK REF MM 36 11 00 700 801 & 36 12 00 700 801. FOUND THE PRECOOLER CONTROL VALVE FAILING TEST G 14. REPLACED PRECOOLER CONT VLV REF MM 36 12 02 RE-ACCOMPLISHED PRECOOLER CONT VLV TEST & VLV NOW CHECKS GOOD. ENG BLEED AIR SYS, ALL CHECKS GOOD.

Part: SPINNER — DAMAGED (NR 1 ENGINE) · airframe 4,328 hrs · 1,275 cycles

WHILE ACCOMPLISHING FAN LUBE ON NR 1 ENG FOUND NOSE SPINNER FRONT CONE MISSING ANODIZED COATING. REMOVED AND INSTALLED SERVICEABLE NOSE CONE IAW TASK CARD 78472002 FAN BLADE LUBRICATION.

Part: SHUTOFF VALVE — DEFECTIVE (BLEED AIR SYS) · airframe 4,291 hrs · 1,257 cycles

DURING CLIMB WITH ENGINES AT FULL POWER HAD A BLEED AIR DUCT PRESSURE DIFFERENCE OF 23 PSI. LEFT DUCT PRESSURE WAS 43 PSI THE RIGHT WAS 20 PSI. INITIAL TESTS GOOD EXCEPT FOUND PRSOV MOVEMENT VERY STIFF WHEN USING WRENCH. REMOVED AND REPLACED PRSOV IAW AMM 36 11 04 400 801, OPS CHECK GOOD. ENGINE HIGH POWER RUN GOOD IAW FIM 36 10 810 807 PAGES 5 6 AND 7.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 4,171 hrs · 1,226 cycles

CONTROL CAB ZONE TEMP LIGHT ILLUMINATES DURING RECALL.

Part: RING — NICKED (NR 2 ENGINE) · airframe 4,143 hrs · 1,217 cycles

NR 2 ENGINE FWD ANODIZED RING NICKED AT 10 O’CLOCK POSITION. INSPECTED FAN CASE AND FOUND TO BE WITHIN REPAIRABLE LIMITS PER AMM 72 24 01 200 801 F00. REPAIRED SMALL NICK PER AMM 72 24 01 200 801 F00 PARA F, OK FOR CONTINUED SERVICE.

Part: WARNING SYSTEM — MALFUNCTIONED (CABIN TEMP) · airframe 4,127 hrs · 1,211 cycles

ON TAXI FROM SEA ZONE TEMP FOR CONT CAB ILLUMINATED ON RECALL. PROCEDURES FOR FLIGHT CREW PLACARD FOLLOWED FOR MEL 21 21F. SEA MAINTENANCE NOTIFIED. COULD NOT DUPLICATE DEFECT. OPERATED BOTH PACKS AND PERFORMED BITE CHECK'S ON BOTH CONTROLLERS BOTH SHOW "GO" NO ACTIVE OR HISTORY FAULTS ZONE TEMP LIGHT DID NOT COME ON GND VERIFICATION CHECK OK. NO HISTORY 60 DAYS.

Part: FMC — MALFUNCTIONED (COCKPIT) · airframe 4,122 hrs · 1,210 cycles

INFO ONLY: FMC DISAGREE ILLUMINATED ON TAXI OUT IN SEA. CHECKLIST 11.2 COMPLIED WITH FMC RE-PROGRAMMED WITHOUT FURTHER INCIDENCE. INFO NOTED GROUND VERIFICATION ACCOMP. FMCS SENSOR STATUS ON BOTH CHECK NORMAL REF M/M 36 61 00 710 801.

Part: CIRCUIT BREAKER — OPEN (WINDOW HEAT) · airframe 3,979 hrs · 1,175 cycles

PRE DEPARTURE LEFT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. VERIFIED DISCREPANCY. FOUND CB OPEN FOR LEFT SIDE WINDOW HEAT CONTROL. INSPECTED AND RESET CB PER MM 20 60 01. TESTED WINDOW HEAT REF MM 30 41 11. TESTS OK. BITE TEST NO FAULTS. GROUND TEST VERIFICATION OK. SEAMC NOTIFIED. NO HISTORY 90 DAYS.

Part: SERVO — DISCONNECTED (AUTOTHROTTLE SYS) · airframe 3,203 hrs · 956 cycles

A/T DISCONNECTED ON CLIMBOUT & WOULD NOT RE-CONNECT. REMOVED AND REPLACED AUTOTHROTTLE SERVO MOTOR NR 1 PER MM 22 31 91 020 801 / MM 22 31 91 400 801. PERFORMED AUTOTHROTTLE CURRENT STATUS TEST PER MM 22 31 91 400 801 AND SERVO MOTOR TEST PER MM 22 31 00 710 802 ALL TESTS PASS.

Part: ANTI-ICE VALVE — FAILED (NR 1 ENGINE) · airframe 2,922 hrs · 877 cycles

AT TOP OF DESCENT FL380 SELECTED ENGINE ANTI ICE ON THE NR 1 COWL VALVE OPEN LIGHT REMAINED BRIGHT WITH AMBER TAI INDICATION ON THE ENGINE INSTRUMENT DISPLAY, QRC PROCEDURE COMPLETED COWL VALVE DID FINALLY OPEN JUST PRIOR TO ENGINE SHUTDOWN, NORMAL INDICATION. REMOVED AND REPLACED NR 1 COWL TAI VALVE REF 30 21 11, OPS CHECK GOOD REF SAME.

Part: AUTOTHROTTLE SYS — MALFUNCTIONED · airframe 2,896 hrs · 869 cycles

AUTO THROTTLES DISENGAGED ON CLIMB-OUT WOULD NOT REENGAGE. ACFT GROUNDED. RESET SYSTEM OPS CHECK GOOD IAW FIM 22-11 TASK 802 LRU REPLACEMENT TEST FOR AUTOTHROTTLES. CHECKED HISTORY BACK TO AUGUST 1 2009 AND FOUND NO OTHER AUTOTHROTTLE WRITE UPS.

Part: WARNING MESSAGE — ILLUMINATED (FMC) · airframe 2,587 hrs · 765 cycles

FMC DISAGREE DISPLAYED F/O'S SIDE ON THE GROUND. ACFT GROUNDED. FLIGHT CREW PERFORMED QRH PROCEDURE. OPS NORMAL.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 2,585 hrs · 764 cycles

AT TOP OF DESCENT RECEIVED SINGLE FMC OPS IN BOTH SCRATCHPADS ACCOMPLISHED QRH PROCEDURE. FMC BOTH ON CPT. GROUNDED YES. ACCOMPLISHED FIM TASK 34 61 00 810 807 FMC HARDWARE/SOFTWARE FAULTS INITIAL EVALUATION. ALSO PERFORMED FMC SYSTEM OPERATIONAL TEST REF MM34 61 00 710 801. OPS NORMAL.

Part: PRESSURE SWITCH — FAILED (NR 1 ENGINE) · airframe 1,821 hrs · 541 cycles

LEFT FUEL FILTER BY PASS LIGHT ILLUMINATED AFTER LANDING LIGHT WENT OFF WHEN ENGINE SHUT DOWN. PERFORMED FIM TASK 73 31 00 810 802 F00 FOUND DIFFERENTIAL PRESSURE SWITCH OPEN. REMOVED AND REPLACED NR 1 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH PER M/M 73 34 01, OPS AND LEAK CHECKS GOOD. ETOPS PARTS VERIFICATION ACCOMPLISHED BY SEAMC.

Part: EEC — FAULTED (NR 1 ENGINE) · airframe 1,787 hrs · 530 cycles

ACQUIRED FAULT ON EEC BITE TEST ON NR 1 ENG. FAULT CODE 73 31071 ON NR 1 ENG FUEL FILTER SIGNALS DISAGREE. ACCOMPLISHED T/C 78273000 ENGINE FMC CDU FAULTS. NO FAULTS LOGGED. OPS NORMAL.

Part: CAM — LACK OF LUBE (L1 DOOR) · airframe 1,373 hrs · 394 cycles

F/A REPORTS L1 DOOR HARD TO OPEN AND CLOSE. FOUND L1 DOOR UPPER CAM DRY OF LUBRICANT. APPLIED LUBRICANT AT L1 DOOR UPPER CAM. OPS CHECK NORMAL IAW AMM 52 11 00.

Part: DOOR — LACK OF LUBE (L1) · airframe 1,130 hrs · 335 cycles

L1 DOOR DIFFICULT TO OPEN FROM INSIDE. CHECKED AND LUBED NR 1 LEFT DOOR PER M/M 52 10 00, OK FOR SERVICE.

Part: SERVO — FAILED (AUTOTHROTTLE SYS) · airframe 939 hrs · 279 cycles

AUTOTHROTTLES WILL NOT STAY ENGAGED. KICK OFF SHORTLY AFTER ENGAGEMENT. GROUNDED YES. PERFORMED FIM 22 31 TASK 805 CURENT STATUS BITE GOOD BUT A/T INTERACTIVE/SERVO MOTOR TEST FAILS LT THROTTLE WILL NOT DRIVE. ASM 1 AT FAULT. REMOVED/INSTALLED ASM 1 REF. MM 22 31 91. OPS NML REF. SAME A/T CURRENT STATUS/INTERRACTIVE SERVO MOTOR TEST GOOD REF. 22 31 00 A/T SYSTEM TEST.

Part: MODULE — FAULTY (AC PACK) · airframe 813 hrs · 226 cycles

AFTER START PACK (L) LIGHT ILLUMINATED WOULD NOT RESET WITH MASTER CAUTION RESET. PERFORMED FIM TASK 21 62 00 810 830 BECAUSE OF TCV FAULT FOR LEFT PACK ON CONTROLLER BITE. REPLACED LT PACK TCV. TCV INSTALLATION TEST PASSED NO DUCT LEAKS FOUND. NO FAULTS ON CONTROLLER BITE. GROUND VERIFICATION TEST SUCCESSFUL. LT PACK TCV VERIFIED BY SEAMC.

Part: GUIDE ARM — FAULTY (L1 DOOR) · airframe 679 hrs · 204 cycles

F/A REPORTS YELLOW GUST LOCK ON L1 DOOR DIFFICULT TO PRESS TO CLOSE THE DOOR. REMOVED & REPLACED GUIDE ARM ASSY. ADJUSTED GUIDE ARM. DISCONNECTED SNUBBER FROM DOOR, NO HELP. RECONNECTED SNUBBER TO DOOR. REMOVED L1 DOOR GUIDE ARM. REMOVED SIDEWALL PANELS FWD OF L1 DOOR REF AMM25 21 31 420 801. RE-INSTALLED L1 DOOR GUIDE ARM & ADJUSTED REF AMM52 11 21 400 802. TRIED REPOSITIONING UPPER GUIDE PLATE, DID NOT HELP. RETORQUED & SEALED GUIDE PLATE BOLTS REF AMM20 50 11. REQ DOOR SYSTEM TEST. ACCOMPLISHED EA800 52EA 01109. ACCOMPLISHED DOOR SYSTEM TEST PER AMM52 11 00 700 804. OPERATION OF GUST LOCK NORMAL. RE-INSTALLED SIDEWALL PANELS FWD OF L1 DOOR REF MM 25 21 31 420 802.

Part: TRIM MOTOR — FAILED (HORIZONTAL STAB) · airframe 503 hrs · 159 cycles

DURING CLIMBOUT BOTH CAPT & F/O ELECTRIC TRIM SWITCHES WOULDN’T TRIM NOSE DOWN INITIALLY, LEFT FLAPS AT 1 DEG TO STAY SLOW AND AVOID NEARLY MORE NOSE DOWN TRIM. ACCOMPLISHED QRH FOR STABILIZER TRIM INOP. AFTER MANUALLY TRIMMING, RETRACTED FLAPS TO DO AFTER TAKEOFF CHECKLIST. TRIM BEGAN TO WORK NORMALLY. DIVERSION TIME 15 MINUTES. CONFIRMED FAULT STAB TRIM WOULD NOT TRIM NOSE DOWN WITH FLAPS OUT OF UP/RETRACT POS. STAB TRIM OPERATED NORMALLY WITH FLAPS RETRACTED. REMOVED AND REPLACED STAB TRIM MOTOR PER MM 27 41 71 801, OPS CHECK GOOD.

Part: WARNING SYSTEM — MALFUNCTIONED (AUTOPILOT SYS) · airframe 503 hrs · 159 cycles

WHEN FLAPS RETRACTED TO UP FROM 1 DEG SPEED TRIM FAIL LIGHT ILLUMINATED WENT OUT AFTER FLAPS REACHED UP. DFGS BITE TESTS PASS ALL TEST PER FIM TASK 22 11 00 810 801. OPS NORMAL.

Part: OUTFLOW VALVE — MALFUNCTIONED (CABIN PRESSURE) · airframe 411 hrs · 125 cycles

AUTO PRESSURIZATION FAIL SWITCHED TO ALT. FOUND FAULT ON CABIN PRESS CONT NR 2 FLIGHT LEG OO CODE O78 OFU LRU FAIL 38214. VERIFIED P/N 4063 19972 01AA WITH SEAMC. REMOVED AND REPLACED AFT OUTFLOW VALVE REF MM 21 31 03 19382. DFPC BITE TEST GOOD, PRESSURIZATION SYSTEM TEST GOOD, PRESSURIZATION SYSTEM MANUAL MODE TEST GOOD REF FIM 21 31 00 810 801 38214.

Part: PAINT — MISSING (NR 2 SPINNER) · airframe 370 hrs · 118 cycles

NR 2 ENGINE FRONT SPINNER MISSING BLACK ANTI EROSION PAINT. REPLACEMENT OF NR 2 ENGINE FRONT SPINNER DEFERRED UNTIL NEXT C-CHECK PER MM 72 21 01 200 801, SEAMC NOTIFIED.

Part: WARNING SYSTEM — ACTIVATED (APU) · airframe 308 hrs · 101 cycles

BLUE MAINT LIGHT ILLUMINATED ON APU AFTER START. PERFORMED APU BITE PROCEDURE PER FIM TASK 49 60 00 810 801, FOUND MESSAGE 49 91227 LOW OIL QUANTITY. PERFORMED LOW OIL QUANTITY FAULT ISOLATION PER FIM TASK 49 50 00 810 804. FOUND OIL .5 QTS LOW NO OTHER FAULTS FOUND. OPERATED APU, OPS CK'D NORMAL. FAULT CLEARED.

Part: CONTROL VALVE — FAULTY (LT AC PACK) · airframe 278 hrs · 93 cycles

ON TAXI OUT N1 RPM VALUES WERE SPLIT BY .7 (NR 1 ENG 86.1 NR 2 ENG 86.8). N1 CARROTS WERE ALSO SPLIT. LEFT PACK VALVE FAILED TO OPEN TWICE WHILE OPERATING. PERFORMED FLOW CONTROL & SHUTOFF VALVE TEST REF MM 21 51 01 STEP G, ALL TESTS GOOD. PERFORMED ENG RUN & ACCESSED THE DISCRETES PAGE FROM THE FMC'S & VERIFIED OVER 35 TIMES THAT THE LEFT & RIGHT PACKS TURN ON & OFF WITH SWITCH AND VERIFIED THE PACKS ARE ACTUALLY OPERATING & VERIFIED THE N1 CARROTS MATCH. ALSO PERFORMED BITE CK OF BOTH ACAU'S NO FAULTS FOUND. VERIFICATION FLIGHT SUCCESSFUL. OPS NORMAL.

Part: AUTOTHROTTLE SYS — MALFUNCTIONED (COCKPIT) · airframe 256 hrs · 84 cycles

AUTOTHROTTLE WILL NOT ENGAGE. COULD NOT DUPLICATE. REF FIM 22 31/810 & 817 INFLT FAULT REVIEW SHOWED NR 22 31671 & 72 FAULTS ON DEFECT RELATED FLT LEG. A/T CURRENT STATUS CHECK NORMAL NO FAULTS. FAULT IS INTERMITTENT PER FIM TASK 817. ALSO PERFORMED DFCS LRU A/T NR 30 TEST REF MM 22 31 00 ALL CHECK NORMAL. NO HISTORY 30 DAYS.

Part: UNKNOWN — MALFUNCTIONED (COCKPIT) · airframe 254 hrs · 82 cycles

FMC DISAGREE IN CDU SCRATCH PAD. FOLLOWED QRH. RESET C/B. PERFORMED FMCS OPERATIONAL TEST PER M/M 34 61 00 710 801. ALL TESTS NORMAL SOFTWARE VERIFIED.

Part: AUTOLAND SYS — MALFUNCTIONED (COCKPIT) · airframe 243 hrs · 79 cycles

CAT III APPROACH AND AUTOLAND. AIRCRAFT LANDED OUT OF LIMITS TO LEFT SIDE OF RUNWAY. GP NR 20 FFR OF DFCS A & B & HGS SHOWS NO FAULTS LAST FLT. GP NR 49 LAND VERIFY OF DFCS PASSES. HGS SYS TEST PASSES REF MM 34 36 00. A/C REMAINS CAT IIIA AUTOLAND & HGS QUALIFIED.

Part: SWITCH — UNKNOWN (ANTI-ICE SYSTEM) · airframe 90 hrs · 37 cycles

AFTER LIFTOFF WING ANTI ICE SWITCH DID NOT MOVE TO OFF POSITION. SWITCH HAD TO BE MANUALLY POSITIONED OFF. PERFORMED PSEU BITE CHECK, NO RELEVANT FAULTS NOTED. PERFORMED WING ANTI ICING OPERATIONAL TEST IAW M/M 30 11 00 710 801, OPS CHECKS GOOD. PULLED AND TAGGED CIRCUIT BREAKERS C01399 AND C01400 PSEU PRI AND PSEU ALTN. CLOSED C/B'S C01399 AND C01400 AT CONCLUSION OF M/M OPERATIONAL TEST. PER SEAMC GROUND VERIFICATION SUCCESSFUL. NO HISTORY PAST 30 DAYS.

Part: SENSOR — FAULTY (CABIN) · airframe 65 hrs · 27 cycles

CONT CABIN ZONE TEMP LIGHT ILLUM ON MASTER CAUTION RECALL. PERFORMED TEMP CONTROLLER BITE CHECK REF MM 21 61 00 CONTROL CABIN TEMP SENSOR FAULTED. REPLACED CONTROL CABIN TEMP SENSOR REF MM 21 61 10. TEMP CONTROLLER BITE CHECK GROUND VERIFIED OK REF MM 21 61 00.