N516AS

Part: SIGN — DETACHED (ZONE 200) · airframe 56,929 hrs · 17,144 cycles

EXIT SIGN FELL OFF NEAR L1 DOOR. GROUNDED - YES. REMOVED AND REPLACED LIGHT ASSY L1187 REF WDM 33-51-21-10 AND AMM 33-51-01. ONE MIG-51A TAG INSTALLED AND REMOVED. OPERATIONAL CHECK PASS. PLT DEFERRAL FOR EXIT SIGN AT L1 DOOR CLEARED. SEAMC NOTIFIED.

Part: LIGHT — INOPERATIVE (ZONE 200) · airframe 56,118 hrs · 16,822 cycles

R2 DOOR EMERGENCY EXIT LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED R2 DOOR EMER EXIT LIGHT IAW B737-800 AMM 33-51-04 OPS CHECK GOOD.

Part: POWER SUPPLY — INOPERATIVE (ZONE 200) · airframe 54,858 hrs · 16,370 cycles

DURING AVIONICS POST CHECKS FOUND SEVERAL INTERIOR AND EXTERIOR EMER LIGHTS INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY ASSEMBLY OP CHK GOOD IAW B737-800 AMM 33-51-06-960-805. (S/N 43708)

Part: SHIELD — CORRODED (ZONE 100) · corrosion level 2 · airframe 54,858 hrs · 16,370 cycles

AFT PIT CARGO DOOR FWD SHIELD CORRODED. GROUNDED - YES. REMOVED AND REPLACED AFT PIT CARGO DOOR FWD SHIELD IAW B737-800 SRM 51-40-02-0G-0. W= 1" O= 0.50" R= 0" L= 3" D= 0.50".

Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 54,858 hrs · 16,370 cycles

AFT PIT L/H TRANSITION PANELS HAS CORROSION FROM STA 807 TO STA 727A. GROUNDED - YES. REMOVED CORROSION FROM AFT CARGO PIT L/H TRANSITION PANEL AND PANEL WAS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2. FABRICATED NEW TRANSITION PANEL AND INSTALLED IAW B737-800 SRM 51-40-02-0G-0W= 1" O= .040 R= .034 L= 2" D= .006.

Part: BAFFLE — CORRODED (ZONE 100) · corrosion level 2 · airframe 54,858 hrs · 16,370 cycles

AFT PIT L/H FWD BAFFLE AT STA 727A HAS CORROSION O NLOWER AFT CORNER. GROUNDED - YES. REMOVED & REPLACED AFT PIT L/H FWD BAFFLE AT STA 727A IAW B737-800 SRM 51-40-02-0G-0W= 1" O= .032 R= .028 L= 1 1/2" D= .004.

Part: WEB — CORRODED (ZONE 100) · corrosion level 2 · airframe 54,858 hrs · 16,370 cycles

AFT PIT CARGO DOOR SILL WEB CORRODED. GROUNDED - YES. REMOVED DAMAGE FROM THE AFT PIT CAROG DOO SILL WEB AND WEB WAS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-60-15-1A-1. RECIEVED NEW SERVICEABLE SILL WEB AND INSTALLED IAW B737-800 SRM 51-40-02-0G-0.W= 3/4" O= .050" R= .042" L= 12" D= .008".

Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 54,858 hrs · 16,370 cycles

FWD PIT TRANSITION R/H SIDE IS CORRODED FROM STA 500D TO 500I. GROUNDED - YES. REMOVED DAMAGE, FOUND OUT OF LIMITS REPLACED TRANSITION IN FWD PIT R/H SIDE IAW B737-800 SRM 53-00-53-2R-5.W= 1" O= .040" R= .033" L= .5" D= .007".

Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 54,858 hrs · 16,370 cycles

FWD PIT TRANSTION L/H SIDE HAS CORROSION FROM STA 500D TO 500I. GROUNDED - YES. REMOVED DAMAGE FOUND OUT LIMITS. REPLACED FWD PIT TRANSITION L/H SIDE FROM STA 500D TO 500 I IAW B737-800 SRM 53-00-53-2R-5.W= 1.2 O= 0.40 R= 0.35 L;= 0.6 D= 0.005.

Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 54,858 hrs · 16,370 cycles

AFT PIT R/H TRANSITION PANEL HAS CORROSION FROM STA 767 TO STA 727. GROUNDED - YES. REMOVED DAMAGE FOUND OUT LIMITS. REMOVED AND REPLACED AFT PIT R/H TRANSITION PANEL FROM STA 767 TO STA 727 IAW B737-800 SRM 51-40-02-0G-0W= 1.2 O= .04 R= .035 L= 5 D= .005.

Part: CARGO TRACK — CRACKED (ZONE 100) · airframe 54,858 hrs · 16,370 cycles

AFT PIT R/H CARGO TRACK HAS CRACKS AT STA 727C, 727G, 727H, 727I, AND 747. GROUNDED - YES. REMOVED DAMAGED CARGO TRACK FROM STA 727A TO STA 747 AND REPLACED WIT NEW IAW B737-800 SRM 53-00-53-2R-3.

Part: LENS — DETACHED (EMERGENCY LIGHT) · airframe 54,643 hrs · 16,287 cycles

EMERGENCY EXIT SIGN COVER FELL OFF A/C RIGHT NEAR OVERWING EXIT SEAT ROW 16DEF. GROUNDED - YES. INSTALLED NEW COVER ON EMERGENCY LIGHT ASSY AT ROW 16DEF REFER AMM 33-51-01 OPS CHECK GOOD.

Part: SKIN — DENTED (BS 905 S17R) · airframe 54,313 hrs · 16,178 cycles

FOUND DENT ON R/H SIDE OF FUS. AT STA 905 +9" 3" BELOW STR 17R GOUGE IN CENTER OF DENT. GROUNDED - YES. (RESOLVED ON W/O: 1996489 TASKCARD: N/R-00001 ) DENT ON R/H SIDE OF FUSELAGE AT STA 905+9" 3" BELOW STR 17R REPAIRED IAW EA 800-53EA-26862. THIS IS A CATEGORY B REPAIR AND A 8110-3 WAS ISSUED ON 04-11-2024 AND A NEW 8110-3 REQUIRED WITHIN 18 MONTHS OF THIS DATE. SEAMC AARON NOTIFIED CLEARS NOT DEFERAL.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 54,234 hrs · 16,156 cycles

DURING OVERNIGHT CHECKS FOUND EMERGENCY LIGHTS INOP BY L1 DOOR. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK REF AMM 33-51-06. OPS CHECK GOOD.

Part: SIGN — DISLODGED (CABIN) · airframe 54,122 hrs · 16,126 cycles

EXIT ROW EXIT SIGN DISLODGED. GROUNDED - YES. SECURED EXIT ROW SIGN CENTER CABIN AMM 25-60-00.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 53,205 hrs · 15,853 cycles

#2 ENGINE HYDRAULIC PUMP LEAKING. GROUNDED - YES. ON DEFERRAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 53,208 hrs · 15,854 cycles

A/C MAIN BATTERIES DISCONNECTED. GROUNDED - YES. ON DEFERRAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 53,208 hrs · 15,854 cycles

AFTER TOUCHDOWN AIRCRAFT LISTED TO THE LEFT STOPPED AIRCRAFT AFTER CLEARING RUNWAY. GROUNDED - YES. ON DEFERRAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 53,208 hrs · 15,854 cycles

SPEED TRIM FAIL LIGHT ILLUMINATED DOES NOT EXTINGUISH WITH MASTER CAUTION. GROUNDED - YES. REALIGNMENT FROM FMC CDU AIR DATA INERTIAL REFERENCE SYSTEM AND VERIFIED SPEED TRIM FAI; LIGHT EXTINGUISHED AS PER AMM 34-21-00-820-801 AND FIM 22-11 TASK 849.

Part: SWITCH — FAILED (MAIN PASSENGER C) · airframe 53,062 hrs · 15,804 cycles

F/A'S REPORTED ELECTRICAL SMELL IN THE MAIN CABIN AS WELL AS THE F/A CALL LTS FLICKERING. CALL LIGHTS WENT OUT UPON LANDING. PHASE OF FLIGHT WAS 7000' ON CLIMBOUT FROM PDX. GROUNDED - YES. ISOLATED TO PIECE OF STAINLESS CLAMP (FOD) STUCK INSIDE PSU SWITCH MODULE AT ROW 9ABC RESULTING IN COMPONENT L1 ON SWITCH MODULE PCB TO FRY TO CRISPY BLACK.REPLACED PSU SWITCH MODULE. OP CK NORMAL.REF CMM 25-23-38, FIM 05-51 TASK 814, &CONDITIONAL INSPECTION 05-51-56-200-801.

Part: MODULATING VALVE — FAULTY (RIGHT ECS BAY) · airframe 52,834 hrs · 15,720 cycles

RIGHT PACK LIGHT ILLUMINATED, WILL NOT RESET, SUPPLY DUCT TEMP 100. GROUNDED - YES. VERIFIED ALL C/B'S ASSOCIATED WITH RIGHT PACK SYSTEM ALL CLOSED. PERFORMED BITE TEST FOR ZONE TEMP CONT 2 FOUND TCV FAULT AS PER AMM TASK 21-61-00-700-806-002. 60047 07/17/2023. REMOVED & REPLACED TEMP CONTROL VALVE REF. AMM 21-51-10. PULL & RESET 3 C/B. PART VERIFIED FOR ETOPS A/C REF. AIPC 21-51-10-4. OPS CHECK GOOD. A/C OK FOR SERVICE.

Part: LAMP — INOPERATIVE (MAIN PASSENGER C) · airframe 52,546 hrs · 15,616 cycles

EMERGENCY EXIT LIGHT ABOVE ROW 27 IS INOP. GROUNDED - YES. EMERGENCY EXIT LIGHT RELAMP AT ROW 27 AND OPS CHECK NORMAL REF B737-800 AMM 33-51-03.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 52,249 hrs · 15,529 cycles

AFT CABIN EMERGENCY LT LENS MISSING NEXT TO LAV D. GROUNDED - YES. INSTALLED AFT CABIN EMERGENCY LT LENS REF CMM 25-40-24.

Part: BLEED VALVE — FAULTY (#1 ENGINE) · airframe 52,118 hrs · 15,496 cycles

L/H DUCT PRESSURE SHOWING 18 PSI WITH ALL BLEEDS CLOSED, APU OFF AND ISOLATION VALVE CLOSED, BLEED VALVE SWITCH WILL NOT SHUT OFF AIR ON #1 ENG. GROUNDED - YES. REMOVED #1 ENG PRSOV AND REPLACED WITH NEW PRSOV REF B737-800 AMM 36-11-04.RAN #1 ENG, TURNED APU AND #1 ENG BLEED OFF, 0 PSIG ON GUAGE SHOWN. OPS CHECK GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 51,883 hrs · 15,418 cycles

ENG #2 ANTI-ICE VALVE LIGHT (BLUE) ON W/ ANTI ICE SWITCH OFF. AMBER TAI LIGHT ON. RAN QRH. PULLED THRUST LEVER BACK < 80% N2, LIGHTS WENT OUT. GROUNDED - YES. PERFORMED B737-800 FIM 30-21 TASK 804. FOUND TO BE INTERMITTENT FAULT. TESTED OK.

Part: PROCESSING UNIT — FAULTY (RADAR BAY) · airframe 51,870 hrs · 15,412 cycles

OGG TO SJC DURING CRUISE WITH CENTER TANK FUEL LEFT MAIN TANK DROPPED TO ABOUT 400LBS THAN THE RIGHT TANK FUEL FLOW WAS SLIGHTLY HIGHER ON THE # 1 ENGINE VS THE # 2 ENGINE. GROUNDED - YES. FQIS BITE PASSES BUT SYSTEM HAS HISTORY AND FAULT HISTORY SHOWS PROCESSOR FAILED. REMOVED FUEL QUANTITY PROCESSOR UNIT IAW B737-800 AMM 28-41-81. PERFORMED FUEL QUANTITY OPERATIONAL TEST PER AMM 28-41-00-710-801, OPS CHECK GOOD NO FAULTS NOTED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 51,808 hrs · 15,399 cycles

LEFT FUEL TANK BLANKED MOMENTARILY; LEFT FUEL QUANTITIES VARIES BETWEEN 300-500 LBS LOW IN CRUISE. GROUNDED - YES. PERFORMED FQIS BITE PROCEDURE PER B737-800 FIM 28-41 TASK 801. NO CURRENT FAULT FOUND IN FLIGHT FAULTS/ FAULT HISTORY ON LEG 03 PROCESSOR FAILED. MSG NBR: 28-41109. PERFORMED FIM 28-41 TASK 808 AND GROUND TEST PASS THEN THE WAS INTERMITTENT. NO HISTORY 60 DAY.

Part: START VALVE — FAULTY (#1 ENGINE) · airframe 51,637 hrs · 15,345 cycles

UNABLE TO START ENGINE #1. NO N2 ROTATION. GOOD LEFT DUCT PRESSURE. GROUNDED - YES. REMOVED + REPLACED #1 ENG START VALVE REF B737-800 AMM 80-11-03.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 51,559 hrs · 15,318 cycles

SATCOM LOCKUP GROUNDED - YES. ACCOMPLISHED SATCOM LOCKUP PROCEDURE FROM ASA QRH.

Part: CONTROL PANEL — FAULTY (FLIGHT DECK) · airframe 51,558 hrs · 15,317 cycles

A/P A DOES NOT ENGAGE. A/P B OPERATES NORMAL. GROUNDED - YES. REMOVED AND REPLACED MCP REF B737-800 AMM 22-11-34.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 51,545 hrs · 15,312 cycles

LEFT ENGINE ANTI-ICE VERY SLOW TO CLOSE. GROUNDED - YES. LEFT HAND ENG ANTI-ICE VALVE OPS CHECKED NORMAL AND OPERATED WITHIN ACCEPTABLE TIME PERIOD REF B737-800 FIM 30-21 TASK 803 AND B737-800 AMM 30-21-11.

Part: IDG — FAILED (#2 ENGINE) · airframe 51,357 hrs · 15,262 cycles

AFTER START GEN 2 WOULD NOT CONNECT TO TRANSFER BUS. GROUNDED - YES. REMOVED AND REPLACED #2 ENG IDG REF B737-800 AMM 24-11-11.

Part: IGNITER — FAULTY (#1 ENGINE) · airframe 51,304 hrs · 15,240 cycles

#1 ENGINE WOULD NOT START WITH IGN 1, BUT STARTED NORMALLY WITH IGN 2. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE LEFT AND RIGHT IGNITER PLUGS REF ASA T/C N8474000.

Part: IGNITER — INOPERATIVE (#1 ENGINE) · airframe 51,262 hrs · 15,222 cycles

ENG #1 DID NOT START WITH L IGN. GROUNDED - YES. REMOVED AND REPLACED LH IGNITER PER B737-800 AMM 74-21-02 OPS CHECK OK.

Part: IDG — LEAKING (#1 ENGINE) · airframe 51,081 hrs · 15,164 cycles

FOLLOW-UP TO #1 IDG FREQUENT SERVICING, ACCOMPLISHED STATIC LEAK TEST REF B737-800 AMM 24-11-00-700-801. FOUND LEAK COMING FROM VALVE CAP (REF CMM FOR IDG, ITEM 160). GROUNDED - YES. REMOVED AND REPLACED #1 IDG, REF B737-800 AMM 24-11-11/401.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 51,150 hrs · 15,183 cycles

CONT CAB ZONE TEMP LT ILLUMINATES ON RECALL, RESETS W/ MC RESET. GROUNDED - YES. PERFORMED BITE OF PACK TEMP CONTROL. REF B737-800 FIM 21-62 TASK 801. R FLT DECK TRIM VALVE FAULT PRESENT. PERFORMED INITIAL EVALUATION OF FIM 21-62 TASK 832. FAULT CLEARED.

Part: EEC — FAULTY (#2 ENGINE) · airframe 51,091 hrs · 15,166 cycles

MSG # 78-21542 #2 ENG EACH REVERSER SLEEVE HAS ONE POSITION SIGNAL OUT OF RANGE(SHORT TIME FAULT). GROUNDED - YES. PERFORMED WIRE CHECKS TO LVDT FROM DP0404 PINS AA,GG,E- AND,F- PER B737-800 WDM 78-35-21 PAGE 101. NO DEFECTS NOTED AND DOES NOT SHORT TO GROUND. DUE TO EEC OVERHAUL HISTORY AND RECENCY OF FAULTS ON A DIFFERENT ENGINE, REMOVED & REPLACED EEC PER B737-800 AMM 73-21-60-000/400-801-F00.

Part: EEC — FAULTY (#2 ENGINE) · airframe 51,091 hrs · 15,166 cycles

PER T/C 78273000 MSG # 79-21092 #2 ENG THE ENGINE OIL PRESSURE SIGNAL (PEO) IS OUT OF RANGE SHORT TIME FAULT. GROUNDED - YES. PERFORMED WIRE CHECKS TO ENGINE OIL PRESSURE TRANSMITTER FROM DP0808 PINS A, -A, B, B-AND C- PER B737-800 WDM 79-32-11 PAGE 101. NO DEFECTS NOTED AND DOES NOT SHORT TO GROUND. DUE TO EEC OVERHAUL HISTORY AND RECENCY OF FAULTS ON A DIFFERENT ENGINE, REMOVED & REPLACED EEC PER B737-800 AMM 73-21-60-000/400-801-F00. OPS CHECK GOOD. CLEARS PLT. SEAMC JOE NOTIFED.

Part: EEC — FAULTY (#2 ENGINE) · airframe 51,091 hrs · 15,166 cycles

MSG # 75-20362 (ECONOMIC FAULT) #2 ENGTHE HPTACC POSITION SIGNAL IS OUT OF RANGE. GROUNDED - YES. PERFORMED WIRE CHECKS TO HPTACC PRESSURE TRANSDUCER FROM DP1010 PINS Y & F PER B737-800 WDM 75-31-21 PAGE 102. NO DEFECTS NOTED AND DOES NOT SHORT TO GROUND. DUE TO EEC OVERHAUL HISTORY AND RECENCY OF FAULTS ON A DIFFERENT ENGINE, REMOVED & REPLACED EEC PER B737-800 AMM 73-21-60-000/400-801-F00.

Part: EEC — FAULTY (#2 ENGINE) · airframe 51,091 hrs · 15,166 cycles

MSG # 75-20442 (LONG TIME FAULT) #2 ENG THE VBV POSITION SIGNAL IS OUT OF RANGE. GROUNDED - YES. PERFORMED WIRE CHECKS TO VBV POSITION TRANSDUCER FROM DP1010 PINS S & N- PER B737-800 WDM 75-31-22 PAGE 101. NO DEFECTS NOTED AND DOES NOT SHORT TO GROUND. DUE TO EEC OVERHAUL HISTORY AND RECENCY OF FAULTS ON A DIFFERENT ENGINE, REMOVED & REPLACED EEC PER B737-800 AMM 73-21-60-000/400-801-F00.

Part: DISPLAY — FAULTED (FIRST OFFICER'S) · airframe 50,994 hrs · 15,135 cycles

MAP IS DISPLAYED ON FO'S NAV DISPLAY. GROUNDED - YES. CYCLED F/O FMS C/B F/O OPS CHECK GOOD.

Part: PLATFORM — DAMAGED (NR 1 GUIDE VANE) · airframe 50,990 hrs · 15,132 cycles

#1 ENGINE OGV DAMAGE AT OUTER PLATFORM #61, 63. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE OGV #61, 63 PER B737-800 AMM 72-23-01.

Part: SEAL — BROKEN (NR 1 ENGINE) · airframe 50,990 hrs · 15,132 cycles

#1 ENGINE HAS SEALS BROKEN AT OGV POSITIONS 15, 29, 55, 61, 63, 64. GROUNDED - YES. REMOVED AND REPLACED OGV SEALS AT POSITIONS 15, 29, 55, 61, 63, 64 PER B737-800 AMM 72-23-01.

Part: HOOK — WORN (NR 2 ENGINE) · airframe 50,798 hrs · 15,082 cycles

WHILE ACCOMPLISHING ASA TC SBCFM56-7B-72-1074-1 #2 ENG ESN 896761. FOUND HPC STAGE 4 ROTOR & J-HOOK SEAL CONTACTING BEYOND LIMITS STEP 8-1 (WORN COMPLETELY THROUGH) AT 6 O'CLOCK POSITION. GROUNDED - YES. REMOVED ENGINE S/N # 896761 AND INSTALLED ENGINE S/N 660243. REF. ASA T/C # 78741000. DEFECTS TRANSFERRED TO ASA SHOP W/O # 1937317 N/R# 00001.

Part: BATTERY PACK — DEPLETED (MAIN CABIN) · airframe 50,675 hrs · 15,050 cycles

LEFT FWD OVERWING EMERGENCY EXIT LIGHT INOP. GROUNDED - YES. RELAMPED LEFT FWD OVERWING LIGHT AND REPLACED BATTERY PACK M2335 REF B737-800 AMM 33-51-00 OPS CHECKS GOOD.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 50,675 hrs · 15,050 cycles

EMERGENCY EXIT LIGHT IN VICINITY OF OVERWING EXITS INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY EXIT POWER SUPPLIES M1694 & M1695 & INSTALLATION TEST GOOD IAW B737-800 AMM 33-51-06-960-806.

Part: CHANNEL — CORRODED (LT WING) · corrosion level 2 · airframe 50,675 hrs · 15,050 cycles

L/H WING DRAINAGE CHANNEL AT THE BOTTOM OF THE FWD SPAR IS CORRODED AT OFSS449. GROUNDED - YES. ACCOMPLISHED BLENDOUT REPAIR TO LOWER SKIN AND SPLICE REPAIR TO L/E LOWER STRAP AS REQUIRED IAW ALASKA EA#800-57EA-24934 DATED 12/16/2022. REMOVED AND REINSTALLED #3 S; AT TP F/P/,/ OAW ASA B737-800 AMM 27-81-21.REMOVED AND REINSTALLED #3 SLAT ACTUATOR TO FOM IAW ASA B737-800 AMM 27-81-41. REMOVED AND REINSTALLED ANTI ICE DUCT TO FOM IAW ASA B737-800 AMM 30-11-31.ALL LEAK AND OPS CHECKS ARE GOOD. REPAIR ACCOMPLISHED PER BOEING SR 3-5464507525 AS A CATEGORY B REPAIR WITH STAGE 1 APPROVAL.

Part: CONTROL VALVE — FAULTY (LEFT ECS BAY) · airframe 50,218 hrs · 14,928 cycles

CONT CABIN LIGHT ILLUMINATES DURING RECALL. GROUNDED - YES. REPLACED CONTROL CABIN TAV REF B737-800 AMM 21-61-21.

Part: STARTER — INOPERATIVE (#1 ENGINE) · airframe 49,899 hrs · 14,836 cycles

NO. 1 ENGINE WILL NOT START AFTER 2 ATTEMPTS. START VALVE OPENS WITH NO N2 ROTATION. DUCT PRESSURE INDICATES 20 PSI. GROUNDED - YES. REMOVED AND REPLACED ENG. #1 PNEU. STARTER IAW B737-800 AMM 80-11-01/401.

Part: CONTROL VALVE — FAULTY (#1 ENGINE) · airframe 49,742 hrs · 14,778 cycles

ON CLIMB OUT LEFT DUCT PREESSURE WAS 18PSI AND RIGHT WAS 40PSI UNTIL ABOUT FL300. BY LEVEL OFF AT FL380 LEFT WAS 32PSI AND RIGHT WAS AT 40PSI. ON TAXI BOTH READ ABOUT 20PSI. PRESSURIZATION WAS NORMAL THOUGHOUT THE FLT. GROUNDED - YES. REMOVED AND REPLACED #1 ENG PRE-COOLER CONTROL VALVE. REF ASA T/C NG-36WC-00001.

Part: SATCOM — INTERMITTENT (UNKNOWN) · airframe 49,452 hrs · 14,687 cycles

SATCOM #2 SHOWS NOT READY/FAIL. GROUNDED - YES. CYCLED AIRCRAFT ELECTRICAL POWER, PERFORMED SATCOM COMMUNICATION TEST, OPS CHECK GOOD REF B737-800 AMM 23-15-00-730-801.

Part: DOOR — STICKING (UNKNOWN) · airframe 48,962 hrs · 14,562 cycles

L1 DOOR HARD TO CLOSE. TOOK MULTIPLE ATTEMPTS TO SECURE CLOSE. GROUNDED - YES. PERFORMED B737-800 AMM TASK 52-11-200-801 OPS CHECK OK, OK FOR SERVICE COULD NOT DUPLICATE.

Part: WINDOW — FALSE INDICATION (UNKNOWN) · airframe 48,934 hrs · 14,552 cycles

L & R FWD WINDOW HEAT INOP. GROUNDED - YES. FWD FLT DECK WINDOWS IN DIRECT SUNLIGHT HIGH TEMP @ DEN WINDOW HEAT TEMP OVER 40 DEGREES C. CAUSING WHC NOT TO PWR FWD WINDOW HEAT THIS IS NORMAL OP'S REF B737-800 FIM 30-41-11-710-801 FLT CREW ALSO CONFIRM NORMAL OP'S PER FLT HAND BOOK.

Part: MODULATING VALVE — INOPERATIVE (LEFT ECS BAY) · airframe 48,932 hrs · 14,551 cycles

FLIGHT DECK PRIMARY TEMP CONTROLLER INOP. GROUNDED - YES. REMOVE AND REPLACED TRIM MODULATING VALVE FOR CONT CABIN PER B737-800 AMM 21-61-21. OPS CHK GOOD.

Part: SEAL — DEGRADED (APU AIR INLET) · airframe 48,578 hrs · 14,450 cycles

WHILE ACCOMPLISHING APU REPLACEMENT, FOUND AIR INLET SEAL MEASURES 1.25". REQUIRES REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED APU INLET SEAL PER B737-800 AMM 49-15-11-000-801 AND AMM 49-15-11-400-801.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 48,578 hrs · 14,450 cycles

CONT CABIN ZONE TEMP ANNUNCIATOR ILLUMINATES ON MASTER CAUTION RECALL. EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. VERIFIED DISCREP ON MASTER CAUTION RECALL. PERFORMED PACK TEMP CONTROL-BITE PROCEDURE REF B737-800 FIM 21-62 TASK 801 ON # 2 CONTROLLER. SHOWED ON BIT AND PREV FLT A FLT DECK TRIM VALVE FAULT. PERFORMED FIM 21-62 TASK 833, PERFORMED VERIFY TEST AND SHOWED A GREEN GO.

Part: APU — UNKNOWN (APU COMPARTMENT) · airframe 48,395 hrs · 14,395 cycles

APU OIL CONSUMPTION INSPECTION DUE TO REPORT OF EXCESSIVE SERVICING. ETOPS SIGNIFICANT SYSTEM TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILITY. GROUNDED - YES. REF ITEM 1 OF TSR B737-800 FIM TASK 49-95-00-810-801. REMOVED AND REINSTALLED PORT 1 EGT PROBE REF B737-800 AMM 49-71-21 FOR BORESCOPE INSPECTION. C/W BORESCOPE OF APU EXHAUST DUCT FOR OIL LEAKAGE. FOUND EXCESSIVE OIL AROUND GEARBOX VENT BREATHER. APU REQUIRES REPLACEMENT REF FIM 49-95 TASK 801.

Part: OIL CAP — DAMAGED (#2 ENGINE OIL TA) · airframe 48,460 hrs · 14,411 cycles

REF L/P 60343057 GVI OF #2 ENGINE FOR OIL LEAKS ACCOMPLISHED. FOUND ENGINE OIL POOLING INSIDE FAN COWL. GROUNDED - YES. OPENED #2 ENG FAN COWLS. FOUND OIL CAP AND OIL CAP O-RING DAMAGED. REMOVED AND REPLACED OIL CAP, OIL CAP O-RING AND LEAK CHECK NORMAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 48,453 hrs · 14,408 cycles

WHILE ADDING OIL IN APU FOUND OIL FILTER INDICATOR EXTENDED [ RED DELTA P BUTTON }. GROUNDED - YES. CHECKED MAGNETIC DRAIN PLUG & FILTER REF B737-800 AMM 49-91-81-200-801 & 49-91-12-000-802 NO CONTAMINATION FOUND. GROUND CHECK VERIFICATION GOOD. NO LEAKS NOTED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 48,305 hrs · 14,370 cycles

LEFT FMC FAIL. GROUNDED - YES. PERFORMED POWER RESET OF AIRCRAFT. PERFORMED BITE OF FMC L PER B737-800 FIM 34-61 TASK 801. FOUND ALL SENSORS TO BE OPERATING NORMALLY. OPS TEST GOOD.

Part: KEYBOARD — INOPERATIVE (FLIGHT COMPARTME) · airframe 48,270 hrs · 14,361 cycles

FIRST OFFICER FMC R-1 BUTTON IS INOP. GROUNDED - YES. VERIFIED DEFECT. R1 BUTTON INOP. REMOVED AND REPLACED FMCS CDU KEYBOARD IAW B737-800 AMM 34-61-01-000/400-801. PASSES INSTALL TEST. NO OTHER DEFECTS NOTED.

Part: LENS — BROKEN (L OVERWING EXIT) · airframe 47,730 hrs · 14,227 cycles

EMERGENCY EXIT SIGN LIGHT COVER BROKEN AT 16A. GROUNDED - YES. REPLACED LENSE COVER OPS CHK GOOD, REF B737-800 AMM 33-51-14.

Part: VALVE — FAULTY (LEFT ECS BAY) · airframe 47,567 hrs · 14,182 cycles

AT FL 380 GOT ZONE TEMP LIGHT CONT CABIN IT RESET WHEN WE DECREASED THE CONT CABIN TEMPERATURE (1 CONTROLLER IS MEL'D). GROUNDED - YES. REF MEL 21-21G, CONFIRMED FAULT. REMOVED AND REPLACED DEFECTIVE FLIGHT DECK TCV (V143) PER AMM 21-61-21, OPS CK NML REF B737-800 AMM 21-61-00-700-806-002.

Part: VALVE — FAULTY (LEFT ECS BAY) · airframe 47,562 hrs · 14,181 cycles

ZONE TEMP CONT CAB SINGLE CHANNEL FAILURE. GROUNDED - YES. CONFIRMED FAULT, CONTROL CABIN ZONE TEMP LIGHT ILLUMINATES WHEN RECALLED. #2 PACK/ZONE TEMP CONTROLLER SHOWS HARD FAIL "FLIGHT DECK TCV". REMOVED & REPLACED "FLIGHT DECK TCV (V143)" REF B737-800 AMM 21-61-21, OPS CK NML PER AMM 21-61-00-700-806-02.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 46,970 hrs · 14,022 cycles

OVERHEAT B NOT WORKING ON ENG 1. GROUNDED - YES. (RESOLVED ON W/O: 1890094 TASKCARD: N/R-00001 ) PER B737-800 FIM 26-10 TASK 801 AND 805 BITE OF FIRE DET CTR MODULE SHOWS ENG 1, LOOP B OPEN OR DET FAULT. INSPECTED FIRE LOOPS. FOUND BROKEN LUG AT ENGINE FAN UPPER FIRE DETECTOR. REPAIRED LUG PER EA 800-26EA-23967 AND AMM 26-11-02-960-801. TWO MIG-51A INSTALLED/ REMOVED. FIRE DET MODULE BITE PASSES. FIRE WARNING TEST PASS. REPAIR/ GROUND VERIFICATION SUCCESSFUL. CLEARS MEL 26-2B. C/N 29021516 + PLACARD REMOVED.SEAMC WILL NOTIFIED.

Part: ACTUATOR — NONE (RAM AIR INLET) · airframe 46,895 hrs · 14,002 cycles

UPON MASTER CAUTION RECALL AT 28,000' THE LEFT PACK LIGHT CAME ON. RAN CHECKLIST AND LIGHT WENT OFF WITH MASTER CAUTION PUSH. SYSTEM ANNUNCIATOR PANEL FO SIDE DID NOT LIGHT UP WITH AIR COND HOWEVER. GROUNDED - YES. REMOVED PANELS 191GI, & 191FF. TROUBLESHOT PER B737-800 FIM 21-62 TASK 837. REMOVED AND REPLACED L/H PACK RAM AIR INLET ACTUATOR ASSY PER B737-800 AMM 21-51-21. OPS CHECK GOOD. REINSTALLED PANELS 191GI & 191FF. PERFORMED PACK TEMPERATURE CONTROL BITE TEST PER FIM 21-62 TASK 801. NO FAULTS FOUND. ETOPS GROUND VERIFICATION SUCCESSFUL. THIS CLEARS MEL 21-32B, SEAMC WILL NOTIFIED, PLACARDS REMOVED.

Part: CONTROL VALVE — FAULTY (LEFT ECS BAY) · airframe 46,819 hrs · 13,986 cycles

AFTER ENGINE START ON RECALL, LEFT PACK LITE ILLUMINATED. RAN CHECKLIST. UPON MASTER CAUTION RESET, THE LITE WENT OUT. GROUNDED - YES. REMOVED AND REPLACED LH TEMPERATURE CONTROL VALVE IAW B737-800 AMM 21-51-10-000-801 AND AMM 21-51-10-400-801, ETOPS GROUND FUNCTIONAL CHECK GOOD IAW AMM 21-61-00-700-806-002, LEAK CHECK GOOD.

Part: INDICATOR — INOPERATIVE (REFUEL PANEL) · airframe 46,803 hrs · 13,981 cycles

#1 MAIN TANK FUEL INDICATOR INOP (FUELING PANEL). GROUNDED - YES. REMOVED #1 REFUELING QUANTITY INDICATOR PER B737-800 AMM 28-41-61-000-801 INSTALLED PER AMM 28-41-61-400-801 PERFORMED OPS TEST PER SAME OPS TEST IS GOOD.

Part: NONE — NONE (REFUEL PANEL) · airframe 46,727 hrs · 13,959 cycles

REFUELING TANK #1 FUEL QTY INOP. GROUNDED - YES. REPLACED #1 FUEL QTY IND AT REFUEL PNL REF B737-800 AMM 28-41-61-400-801. FQIS TEST & IND TEST OK.

Part: IDG — INOPERATIVE (#2 ENGINE) · airframe 46,561 hrs · 13,914 cycles

#2 DRIVE LIGHT EXTINGUISHED ON THE GROUND WITH ENGINE SHUTDOWN BULB PUSHED TO TEST NORMALLY. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 24-11 TASK 805. GCU BITE TEST PASSED. PER FIM 24-21 TASK 801. REMOVED #2 ENGINE IDG OIL FILTERS, NO CONTAMINATION OR METAL FOUND. REPLACED #2 ENGINE IDG PER B737-800 AMM 24-11-11. LEAK CHECKS OK. OPERATIONAL TEST OK PER AMM 24-11-00. NO OTHER DEFECTS NOTED. IDG OIL AND FILTER CHANGE DEFERRAL DONE REF L/P 60206580. VERIFIED BULBS INSTALLED ON #2 ENG DRIVE LIGHT. GROUND VERIFICATION ACCOMPLISHED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 46,566 hrs · 13,915 cycles

HF1 ILLUMINATES FAIL MESSAGE WHEN ENTERING HF FREQUENCIES. GROUNDED - YES. CYCLED AIRCRAFT POWER OPS CHECKED HF1 PER B737-800 AMM 23-11-00-730-801CHECKS GOOD.

Part: FMC — FAULTED · airframe 45,897 hrs · 13,744 cycles

ON TAXI WE HAD A FMC DISAGREE. GROUNDED - YES. AFTER CONSULTING MAINTENANCE CONTROL WE RAN QRH 11.2. AFTER COMPLETION OF CHECK LIST WE HAD NORMAL FMC OPERATION AND CONTINUED NORMAL OPERATION.

Part: COUPLING — FAILED (HF ANTENNA) · airframe 45,740 hrs · 13,707 cycles

HF 1 SHOWS FAIL IN BOTH ACTIVE AND STANDBY. GROUNDED - YES. REMOVED & REPLACED HF 1 ANTENNA COUPLER PER B737-800 AMM 23-11-61. INSTALLATION TEST GOOD PER AMM 23-11-61. PERFORMED HF COMM STSTEM TEST PER AMM 23-11-00-730-801. BOTH HF 1 +2 TEST NORMAL.

Part: FIRE DETECTOR — BROKEN (NR 1 ENGINE) · airframe 45,519 hrs · 13,649 cycles

FAULT LIGHT #1 ENGINE B LOOP. GROUNDED - YES. VERIFIED DISCREP FIRE DETECTION CONTROL UNIT SHOWS #1 ENG B LOOP UPPER FAN DETECTOR FAULT. UPON INSPECTION OF UPPER FAN DETECTOR ASSY. FOUND BROKEN B LOOP ELEMENT REF B737-800 AMM 26-11-01, REMOVED/REPLACED UPPER FAN FIRE DET ELEMENT ASSY. OPS NML REF AMM 26-11-00. GROUND VERIFICATION TEST GOOD.

Part: KNOB — LOOSE (WX CONTROL PANEL) · airframe 45,158 hrs · 13,559 cycles

THE LEFT HAND "TILT/GAIN" KNOB ON THE RADAR CONTROL PANEL IS LOOSE. GROUNDED - YES. RMVD & RPLCD WXR CNTL PANEL REF B737-800 AMM 34-43-91. OPS NML PER SAME. ETOPS GND VERIFICATION SUCCESSFUL.

Part: CONTROL CABLE — BROKEN (WATER TANK VLV) · airframe 44,993 hrs · 13,523 cycles

ON CLIMBOUT, FA REPORTED NO WATER PRESSURE IN ANY OF THE LAVATORY SINKS OR TOILETS. GROUNDED - YES. DIVERSION TIME 29 MINUTES - FOUND WATER TANK FILL VALVE LOOSE AND ALLOWING FILL VALVE TO LOOSE PRESSURE (SUSPECT BAD VALVE CONTROL CABLE). REMOVED AND REPLACED FILL/OVERFLOW VALVE CONTROL CABLE, REF B737-800 AMM 38-11-03-000-802 AND 38-11-03-400-802. NO EVIDENCE OF LEAKS DETECTED IN ALL AREAS ACCESSED.

Part: ACTUATOR — FAILED (RT RAM AIR INLET) · airframe 44,993 hrs · 13,523 cycles

RIGHT PACK LIGHT ILLUMINATES ON MASTER CAUTION RECALL, GOES OUT WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED RH PACK TEMP CONTROL BITE PROCEDURE PER B737-800 FIM 21-62 TASK 801. HARD FAULT FOUND FOR RAM AIR ACTR PER FIM 21-62 TASK 836. REPLACED RH RAM AIR ACTUATOR PER B737-800 AMM 21-51-21. OPS TEST OF RH ACTUATOR GOOD AND NO FAULTS FOUND WHEN BITE TEST PERFORMED.

Part: EEC — MALFUNCTIONED (NR 2 ENGINE) · airframe 44,896 hrs · 13,497 cycles

ENG CONTROL NR 2 LIGHT ILLUMINATED ON LANDING. GROUNDED - YES. FOUND ENG 2 ALTN PWR CH-A C/B POPPED. RESET C/B AND WHEN NR 2 EEC BITE TEST C/B POPPED AGAIN, CH-A FAILED TEST CH-B OK. REF B737-800 WDM 73-27-11, SUSPECTS ENG 2 EEC INOP. REMOVED & REPLACED NR 2 EEC IAW B737-800 AMM 73-21-60-000/400-801-F00. PERFORMED FADEC SYSTEM TEST IAW AMM 73-21-00-700-802-FOO. OPS CK NORMAL.

Part: VALVE — OUT OF LIMITS (NR 2 ENGINE) · airframe 44,864 hrs · 13,491 cycles

ACCOMPLISHING TC 78276000 FOUND #2 ENG FAULT CODE 75-10592. THE TBV POSITION SIGNAL IS OUT OF RANGE. LONG TIME FAULT. GROUNDED - YES. REMOVED AND REPLACED ENGINE #2 TBV REF B737-800 AMM 75-23-01-000-801-F00/75-23-01-400-801-F00, PERFORMED IDLE POWER LEAK CHECK TEST PER AMM TASK 71-00-00-700-801-F00, NO LEAKS NOTED, PERFORMED ACTUATOR TEST REF AMM 71-00-00-700-807-F00 TEST PASS AND NO ACTUATORS FAULTS FOUND, ORIGINAL FAULT MESSAGE TBV SIGNAL OUT OF RANGE CLEARED.

Part: BLADE — WORN (NR 2 ENG FAN) · airframe 44,864 hrs · 13,491 cycles

WHILE ACCOMPLISHING FAN LUBE ON #2 ENG T/C #78472010 FOUND #13 BLADE WITH MISSING CUNI COATING BEYOND LIMITS. GROUNDED - YES. REMOVED AND REPLACED #13 FAN BLADE ON #2 ENG IAW ASA MTX TASKCARD #78472010.

Part: FMC — MALFUNCTIONED · airframe 44,774 hrs · 13,467 cycles

CREW REPORT MOMENTARY FMC DROP. VTK ON NAV DISPLAY, LEFT SIDE. GROUNDED - YES. REF B737-800 FIM 34-61 TASK 836 RESET FMCS 1 & 2. NO FAULTS NOTED. VTK FLAGS NOT PRESENT. NO FURTHER ACTIONS REQUIRED AT THIS TIME. 2 MIG 51-A INSTALLED AND REMOVED.

Part: AUTOTHROTTLE SYS — MALFUNCTIONED · airframe 44,758 hrs · 13,462 cycles

AUTO THROTTLE WILL NOT ARM ON TAXI OUT. FOUND C/B E1 POPPED. GROUNDED - YES. RESET C/B E1 (A/T DC1), PERFORMED A/T BITE PROCEDURE REF B737-800 FIM 22-31 801 FOUND FAULT MSG 22-31263 (A/T 28 VDC PWR INV) IN FLIGHT HISTORY, CURRENT STATUS SHOWS NO FAULTS, PER FIM 22-31 TASK 810 STEP (E)2 MSG 22-31263 IS INTERMITTENT 28 VDC POWER FAULT.

Part: MODULE — MALFUNCTIONED (AUTOPILOT) · airframe 44,749 hrs · 13,459 cycles

WHEN DISCONNECTING AUTOPILOT A CHANNEL NO HORN ANNUNCIATED. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 22-12 TASK 817 FOR CHECK OF AURAL WARNING MODULE DFCS BITE TEST AURAL WARNING ON DISCONNECT CHECKS GOOD.

Part: WIRE HARNESS — BROKEN (NR 1 FIRE LOOP) · airframe 43,927 hrs · 13,253 cycles

DURING PRE FLIGHT ENGINE FIRE TEST REVEALED FAULT LIGHT. GROUNDED-YES. CW B737-800 FIM 26-10 TASK 805 STEPS F(4)(D). MANIPULATED MW0325 HARNESS. RESISTANCE AT LT CORE LOOP (RIGHT SIDE OF ENGINE) RING TERMINAL ERRATIC WIRE EASILY BROKE OFF WHILE CHECKING. REMOVED AND REPLACED MW0325 CORE FIRE DETECTOR HARNESS, IAW B737-800 AMM 26-11-02/401. VERIFIED NR 1 ENGINE FIRE DETECTION SYS OPERATIONS TESTED NORMAL ON GROUND.

Part: ACTUATOR — INOPERATIVE (RAM AIR INLET) · airframe 43,904 hrs · 13,243 cycles

NR 2 PACK LIGHT ON MASTER CAUTION CHECK, EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED-YES. CHANGED RAM AIR INLET ACTUATOR DUE TO HISTORY, FOUND MODULATION PANEL OUT OF ITS TRACKS. RE-INSTALLED CORRECTLY OPERATIONS CHECK NORMAL, REF B737-800 AMM 21-51-21.

Part: CONTROL VALVE — FAULTY (RT TEMP) · airframe 43,873 hrs · 13,231 cycles

WHEN RECALL IS PUSHED THE RIGHT PACK LIGHT ILLUMINATES. IT EXTINGUISHES WHEN RESET. GROUNDED-YES. TASK CARD COMPLIED WITH PERFORMED PACK TEMPERATURE CONTROL BITE PROCEDURE, REF B737-800 FIM 21-62 TASK 801. BITE TEST FAULTED AT ZONE TRIM VALVE. REMOVED AND REPLACED TRIM VALVE, REF B737-800 AMM 21-61-21. OPERATIONS CHECK GOOD, BITE TEST PASSED, LEAK TEST SUCCESSFUL. NO OTHER FAULTS FOUND AT THIS TIME.

Part: FIRE LOOP — INOPERATIVE (NR 1 ENGINE) · airframe 43,876 hrs · 13,232 cycles

NR 1 ENGINE A FIRE LOOP INOPERABLE. GROUNDED-YES. ON DEFERRAL.

Part: ACTUATOR — INOPERATIVE (RAM AIR INLET) · airframe 43,845 hrs · 13,221 cycles

DURING DESCENT CHECK PACK LIGHT (RT) ILLUMINATED DURING RECALL. GROUNDED-YES. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST, ZONE TEMP CONT NR 2 FAULTED "RAM AIR DOOR ACTUATOR", REF B737-800 AMM 21-61-00. REMOVED RT RAM AIR DOOR ACTUATOR AND REPLACED WITH NEW, REF AMM 21-51-21. ETOPS SIG SYSTEM MAINTENANCE PERFORMED BY ETOPS CERT TECHNICIAN, PER ETOPS MANUAL. ZONE TEMP CONTROLLER BITE TEST.

Part: MODULATING VALVE — FAILED (RT A/C PACK) · airframe 43,832 hrs · 13,213 cycles

RT PACK LIGHT ON MASTER CAUTION RECALL EXTINGUISHED ON RESET. GROUNDED-YES. PERFORMED BITE CHECK, REF B737-800 FIM 21-62 TASK 801/802, TRIM VALVE LIGHT ILLUMINATED. REMOVED & REPLACED ZONE TRIM VALVE OPERATIONS CHECK GOOD, REF B737-800 AMM 21-61-21.

Part: CONTROL VALVE — FALSE INDICATION (RT A/C PACK) · airframe 43,823 hrs · 13,207 cycles

RIGHT PACK LIGHT ILLUMINATES ON MASTER CAUTION RECALL, EXTINGUISHES DURING RESET. GROUNDED-YES. REMOVED AND REPLACED RIGHT PACK TEMPERATURE CONTROL VALVE, PER B737-800 AMM 21-51-10. OPERATIONAL CHECKED GOOD AT THIS TIME, NO FAULTS FOUND.

Part: ACTUATOR — FAILED (RAM AIR DOOR) · airframe 43,821 hrs · 13,206 cycles

RIGHT PACK LT ILLUM ON MASTER CAUTION RECALL. EXTINGUISHED WITH RESET. GROUNDED-YES. TROUBLESHOT BOTH CONTROLLER FAULT FOUND NR 2 RAM AIR ACTUATOR WON`T CLEAR. REMOVED AND REPLACED RT RAM AIR INLET ACTUATOR, REF B737-800 AMM 21-51-21/401. BITE TEST AND OPERATIONS CHECK GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION (RT A/C PACK) · airframe 43,819 hrs · 13,204 cycles

RIGHT PACK LIGHT ILLUMINATES ON RECALL. LIGHT EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED-YES. PERFORMED BITE ON NR 2 PACK CONTROLLER FOUND RAM AIR ACT FAULT, NO FAULTS PREV FLIGHT. PERFORMED VERIFY NO FAULTS FOUND, REF B737-800 AMM 21-61-00.

Part: SKIN — CRACKED (HORIZONTAL STAB) · airframe 43,804 hrs · 13,198 cycles

RIGHT HORIZONTAL STABILIZER LOWER SKIN CRACK NOTED IN SECTION STAB STA 92.70 AND STAB STA 101.90 7 INCH FROM AFT SPAR RIVETS. CRACK APPROXIMATELY 1.1 INCH IN LENGTH AND END POINTS, MARKED IN RED. GROUNDED-YES. DAMAGE CUTOUT AND REPAIRED ON RT HORIZ STAB LOWER SKIN AT SECTION STAB STA 92:70 AND STAB STA 101.90, IAW B737-800 SRM 55-10-01-2R-11. TOPCOATED IAW B737-800 AMM 51-21-99. THIS IS CATEGORY B REPAIR, INSPECTION THRESHOLD IS 56,000 FLIGHT CYCLES.

Part: CARGO TRACK — GOUGED (FWD CARGO BAY) · airframe 43,804 hrs · 13,198 cycles

FWD PIT FLOOR SUPPORT AT STATION 460 RBL 17 HAS LARGE GOUGE. GROUNDED-YES. MEASURED THE DEPTH OF THE GOUGE ON THE CARGO TRACK, DEPTH=0.060 X WIDTH= 0.400, ORIGINAL THICKNESS 0.170, FOUND TO BE OUT OF LIMITS, IAW B737-800 SRM53-00-53-1A-Z. REMOVED DAMAGED SECTION OF THE CARGO TRACK FLOOR SUPPORT, IAW B737-800 SRM 53-00-53-2R-3. INSTALLED TRACK EXTRUSION AND REPAIR TRACK SPLICES AT STA 400-STA 500+12 RBL 17, IAW B737-800 SRM 53-00-53-2R-3 REPAIR 3 ALTERNATIVE 1. REPAIR 3 IS A PERMANENT REPAIR, NO FURTHER ACTION REQUIRED.

Part: NUT PLATE — DAMAGED (SPINNER) · airframe 43,103 hrs · 12,967 cycles

FOUND BAD NUTPLATE ON REAR SPINNER CONE NR 1 ENGINE WHILE ACCOMPLISHING FAN BLADE LUBE, REF TC 78472010. GROUNDED - YES. REMOVED AND REPLACED ENG NR 1 REAR SPINNER CONE, REF TC 78472010 SUBTASK 839-051. ALL SPINNER WEIGHTS ARE PUT BACK TO NOMINAL, IN REFERENCE TO TSR 705035 AND TSR 705036.

Part: PLATFORM — CRACKED (#1 ENGINE FAN) · airframe 43,103 hrs · 12,967 cycles

FOUND NR 21 PLATFORM CRACKED, REF T/C 78472010 STEP 35. GROUNDED - YES. REMOVED AND REPLACED COMPLETE SET OF PLATFORMS (24 EA), REF T/C 78472010 STEP 35.

Part: PLATFORM — DAMAGED (#1 ENG FAN BLADE) · airframe 43,103 hrs · 12,967 cycles

FOLLOW UP TO DAMAGE FOUND ON FAN BLADE PLATFORM NR 21 DURING FAN LUBE INSPECTION OF NR 1 ENGINE. GROUNDED - YES. REMOVED AND REPLACED FAN BLADE NR 21 P/N 340-001-038-0, S/N DC610218-C; BLADE NR 22 P/N 340-001-038-0, S/N DB632189-M AND ITS OPPOSITE SIDES, P/N 340-001-036-0, S/N DM183925-7, P/N 340-001-038-0, S/N DD460316-8. RESPECTIVELY ACCOMPLISHED T/C SBCFM56-7B-72-1033-1 FOR FINAL FAN BLADE POSITIONS ON THE HUB. DUE TO BLADE MAP PROCEDURE, ALL REAR SPINNER WEIGHTS RETURNED TO NOMINAL P07/P14 AND AVM POSITIONS SET TO MATCH SPINNER CONE WEIGHTS, REF B737-800 AMM 71-00-00 TEST 14B. ACCOMPLISHED FAN BLADE LUBE, REF T/C 78472010, TEST 7 VIB SURVEY, VIB LEVELS WERE 2.0 AT 96% N1. ACCOMPLISHED TEST 14B FAN TRIM BALANCE. AFTER BALANCE VIB LEVELS ARE WITHIN LIMITS, REF AMM 71-00-00-700-814-F00. AFTER BALANCE SOLUTION, BALANCE SCREWS ARE ALL 14 EXCEPT P31 & P32 ARE 12'S.

Part: FASTENER — LOOSE (NR 1 ENGINE) · airframe 42,889 hrs · 12,855 cycles

REF T/C 78472000 NR 1 ENG INLET AND FAN BLADES, DETAILED INSP FOUND 1 EACH LOOSE FASTENER ON NR 3 FAN CASE PANEL, AFT RT CORNER, MAY HAVE WORN FASTENER HOLE IN PANEL. GROUNDED - YES. FOUND FASTENER TO BE LOOSE. RE-TORQUED FASTENER REF AMM 72-23-07.

Part: FAULT MESSAGE — FALSE ACTIVATION (NR 2 FMC) · airframe 42,800 hrs · 12,807 cycles

NR 2 ENGINE FMC, CDU FAULT, NOTED 75-10592 FOR POSITION SIGNAL OUT OF RANGE. GROUNDED - YES. LONG TIME FAULT. CHECKED & RELEASED IAW PLT (450 FLT HRS). COMPLIED WITH T/C 78273000 AGAIN WITH THE NR 2 ENG BITE CHECK, NO FAULTS FOUND.

Part: CDU — FAULTED (NR 2 ENGINE) · airframe 42,800 hrs · 12,807 cycles

NR 2 ENG FMC CDU FAULT NOTED 75-10592 (POSITION SIGNAL OUT OF RANGE). GROUNDED - YES. ON DEFERRAL.

Part: TRANSCEIVER — FAILED (HF COMM) · airframe 42,772 hrs · 12,798 cycles

HF NR 2 WEAK AND UNREADABLE WITH NO SELCAL VERIFICATION ON MULTIPLE ATTEMPTS. GROUNDED - YES. REMOVED AND REPLACED HF NR 2 TRANSCEIVER REF AMM 23-11-21-400-801. OPS CHECK GOOD WITH NO FAULTS.

Part: HF COMM — MALFUNCTIONED (COCKPIT) · airframe 42,745 hrs · 12,789 cycles

#2 HF FAIL DISPLAYED. GROUNDED - YES. CYCLED POWER #2 HF OPS RESTORED COMM AND BITE CHK OK REF B737-800 FIM 23-11 TASK 801.

Part: MODULATING VALVE — FAILED (AC BAY) · airframe 42,605 hrs · 12,757 cycles

DESCENDING THRU 10,000 FT CONT CAB ZONE TEMP LIGHT ILLUMINATED- FOLLOWED QRH LITE WENT OUT AFTER LANDING. GROUNDED - YES. PERFORMED BITE AND FOUND FLT DECK TRIM VALVE FAIL REF B737-800 AMM 21-61-00-700-806-002. REMOVED AND REPLACED FLT DECK TRIM VALVE REF AMM 21-61-21-400-801 AND AMM 21-61-21-000-801. OPS AND LEAK CK OK.

Part: VALVE — MALFUNCTIONED (CABIN TEMP) · airframe 42,591 hrs · 12,754 cycles

ON RECALL, CABIN CONTROL ZONE TEMP LIGHT ILLUMINATED. EXTINGUISHED ON RESET. RESET NORMALLY. GROUNDED - YES. RELEASED PER MEL 21-21G. FLT DECK PRIMARY TEMP CONTROL INOP. REF SDR ON LOG PAGE 121633349 CONTROL CABIN TRIM VALVE REPLACED. ZONE TEMP CONTROLLER BITE OK WITH NO FAULTS REF B737-800 AMM 21-61-00. REMOVED MEL 21-21G.

Part: SENSOR — FAILED (WINDOW) · airframe 42,563 hrs · 12,747 cycles

LEFT FWD WINDOW OVERHEAT. GROUNDED - YES. TROUBLE SHOOTING PER B737-800 FIM 30-41 TASK 812. WINDOW SENSOR FAULT ON BIT. SWITCHED OVER TO OTHER SENSOR FOR CAPT'S WINDSHIELD FAULT CONT'D. SAME FAULT ON WHCU BIT. R&R NO. 1 WINDOW REF B737-800 AMM 56-11-11-PB 401. PERFORMED CABIN PRESSURE LEAT TEST REF AMM 05-51-91-790-801. NO LEAKS FOUND. PERFORMED WINDOW HEAT SYSTEM - OPERATIONAL TEST REF AMM 30-41-00-710-801. CHKS OK.

Part: CONNECTOR — LOOSE (ANTI-ICE VALVE) · airframe 42,486 hrs · 12,727 cycles

LEFT COWL VALVE FAILED OPEN. GROUNDED - YES. PERFORMED GVI ON LEFT ENGINE COWL ANTI ICE VALVE, FOUND CANON PLUG LOOSE, REINSTALLED, PERFORMED COWL VALVE BITE PROCEDURES REF B737-800 FIM 30-21 TASK 803, OPS CHECK GOOD.

Part: INDICATOR — INOPERATIVE (FUEL QTY) · airframe 42,417 hrs · 12,704 cycles

FUELER REPORTS TANK 31 FUELING PANEL READS ID FAIL. GROUNDED - YES. REPLACED TANK #1 REFUELING QUANTITY INDICATOR AT REFUELING PANEL REF B737-800 AMM 28-41-61-000-801/400-801. OPS TESTS GOOD. INDICATOR SHOWS CORRECT READOUT AND PROPER FUEL INDICATION.

Part: SENSOR — FAILED (SLIDING WINDOW) · airframe 42,193 hrs · 12,642 cycles

LEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATES WHEN SWITCH PLACED ON. GROUNDED - YES. PERFORMED LEFT SIDE WINDOW HEAT CONTROLLER BITE IAW B737-800 FIM 30-41 TASK 801. FOUND WINDOW SENSOR FAULT. REMOVED AND REPLACED L/H #2 SLIDER WINDOW REF B737-800 AMM 56-12-11-400-801. OPS CHECK GOOD. RECONFIGURED TERMINAL FROM NO. 1 TO 3 IAW B737-800 WDM 30-41-12.

Part: CONTROL UNIT — FAULTED (WINDOW HEAT) · airframe 42,010 hrs · 12,600 cycles

LEFT SIDE WINDOW HEAT LIGHT ILLUMINATED ON SHORT FINAL. QRH CHECKLIST COMPLETED WHILE BETWEEN RUNWAYS. GROUNDED - YES. PERFORMED LEFT SIDE WINDOW HEAT SYSTEM OPS CHECK PER B737-800 AMM TASK 30-41-00-710-801, SYSTEM TEST GOOD. PERFORMED WHCU BITE TEST, NO FAULTS NOTED. HISTORY SHOWS SECOND PILOT WRITE-UP. REMOVED AND REPLACED WINDOW HEAT CONTROL UNIT PRECAUTIONARY PER AMM 30-41-11 PG 401, SYSTEM TEST GOOD.

Part: STARTER — INOPERATIVE (NR 1 ENGINE) · airframe 41,978 hrs · 12,587 cycles

NO ROTATION WHILE ATEMPTING TO START #1 ENGINE (#2 DID START NORMALLY). GROUNDED - YES. REMOVED AND REPLACED #1 STARTER PER B737-800 AMM 80-11-01, OPS CHECK GOOD.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 41,980 hrs · 12,588 cycles

LEFT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED ON FINAL APPROACH. TURNED SWITCH OFF AND LIGHT WENT OFF. GROUNDED - YES. PER B737-800 FIM 30-41 TASK 801 WHCU BITE HAS A SENSOR FAULT IN HISTORY. BIT TEST PASSED. OPS CHECK GOOD. FAULT NOT ACTIVE AT THIS TIME.

Part: BLADE — DISTORTED (NR 2 ENG FAN) · airframe 41,828 hrs · 12,547 cycles

DURING WALK AROUND, FOUND SMALL DISTORTION ON #2 ENG FAN BLADE #22 (AREA K) LEADING EDGE. GROUNDED - YES. INSPECTED DISTORTION OF #22 FAN BLADE AND FOUND TO BE WITHIN LIMITS REF B737-800 AMM 72-21-02-200-F00. DISTORTION MEASURES APPROX. 0.02".

Part: PIN — MIGRATED (LT ENGINE) · airframe 41,758 hrs · 12,531 cycles

WHILE ACCOMPLISHING #1 ENG INSPECTION ESN #897741 FOUND STAGE 3 3 O'CLOCK POSITION ANTI-ROTATION PIN ROTATED AND MIGRATED OUT REF T/C SBCFM56-7B-72-0986-1. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE REF WO #1012101 AND TASK CARDS 78471000, 78471001, 78454000 FOR ALL WORK ACCOMPLISHED.

Part: LANDING GEAR — MALFUNCTIONED (NOSE) · airframe 41,753 hrs · 12,529 cycles

ON TAKEOFF WHEN WE RETRACTED THE LANDING GEAR, THE NOSEWHEEL GEAR DID NOT COME UP. LOWERED FOR LANDING AND GEAR WORKED FINE. RAN QRH PROCEDURE. GROUNDED - YES. AIR TURNBACK. DIVERSION TIME 39 MINUTES - ACCOMPLISHED B737-800 FIM 32-30 TASK 810, NO FAULTS FOUND. ACCOMPLISHED OPERATIONAL TEST FOR THE NLG REF B737-800 AMM 32-33-00-710-801. OPS TEST GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (HF 1) · airframe 41,498 hrs · 12,464 cycles

HF1 SHOWING FAIL ON RADIO HEAD DISPLAY. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 23-11 TASK 801. LRUS BITE TEST PASSED GROUND VERIFICATION SUCCESSFUL. HF1 & HF2 OPS NORMAL.

Part: SWITCH — FAULTED (TEMP) · airframe 41,284 hrs · 12,406 cycles

FOLLOW-UP TO REPORTS OF CONT CAB ZONE TEMP ILLUMINATING AT RECALL-- ACCOMPLISH #1 AND #2 PACK TEMPERATURE CONTROL-BITE PROCEDURE. DOCUMENT AND CORRECT ANY NOTED FINDINGS. REF B737-800 FIM 21-62 TASK 801. GROUNDED - YES. REF B737-800 FIM 21-60 TASK 801, PACK TEMP CONTROLLER #1 FAULTED "ZONE TRIM VALVE". RESET FAULT ON PACK TEMP CONTROL #1 PER FIM 21-62 TASK 835, REMOVED & REPLACED CONT CAB TEMP SELECTOR SWITCH AMM 21-61-07, OPS BOTH PACKS TO FULL COOL & FULL WARM AMM 21-00-00, RECALL TEST NO FAULT, TEMP CONTROLLER #1 & #2 BITE TEST PASSED NO FAULTS NOTED, CLEARS THIS TSR, SEAMC CHRIS NOTIFIED.

Part: LEAD — DAMAGED (NR 2 IGNITION) · airframe 41,271 hrs · 12,396 cycles

WHILE CHANGING THE TBV ACTUATOR ON THE #2 ENG DISCOVERED THE L/H IGNITOR LEAD TO BE DAMAGED. GROUNDED - YES. REMOVED L/H IGNITION LEAD REF B737-800 AMM 74-21-01-000-801-F01 INSTALLED IGNITION LEAD REF AMM 74-11-400-801-F00 THROUGH STEP G3 CONTINUE AT STEP ( H ). PERFORMED IGNITION SYSTEM AUDIBLE TEST REF AMM 74-00-00-750-801-F00 TEST PASSED.

Part: ACTUATOR — LEAKING (#2 ENGINE VBV) · airframe 41,260 hrs · 12,393 cycles

WHILE PERFORMING #2 ENG WALK AROUND DURING A-CK FOUND LARGE PUDDLE OF FUEL UNDER ENGINE. GROUNDED - YES. REMOVED AND REPLACED VBV ACTUATOR ON R/H SIDE OF ENGINE IAW B737-800 AMM 75-32-02. PERFORMED AUCTUATORS TEST ENG #2 PASSED REF AMM 71-00-00. CLEANED AREA & LK CK GOOD REF AMM 71-00-00-800-811-F00 TEST 3A.

Part: BLEED VALVE — LEAKING (NR 2 ENGINE) · airframe 41,267 hrs · 12,395 cycles

DURING #2 ENG WALK AROUND WHILE ACCOMPLISHING A-CK FOUND LARGE PUDDLE OF FUEL UNDER ENGINE. GROUNDED - YES. REMOVED AND REPLACED TBV REF B737-800 AMM 75-23-01. COMPLETED TEST 3A REF AMM 71-00-00-800-811-F00 NO LKS NOTED.

Part: ACTUATOR — LEAKING (#2 ENGINE VSV) · airframe 41,260 hrs · 12,393 cycles

WHILE PERFORMING #2 ENG WALK AROUND DURING A-CK FOUND LARGE PUDDLE OF FUEL UNDER ENGINE. GROUNDED - YES. REMOVED & REPLACED RIGHT VSV ACTUATOR ACTUATOR REF B737-800 AMM 75-31-01. PERFORMED ACTUATOR TEST PASSED REF AMM 71-00-00. LEAK TEST PASSED REF AMM 71-00-00-800-811-F00 TEST 3A.

Part: FILTER — CLOGGED (APU OIL SYSTEM) · airframe 41,216 hrs · 12,381 cycles

APU LUBE FILTER DPI EXTENDED. GROUNDED - YES. REMOVED & REPLACED LUBE FILTER ELEMENT & RESET DPI REF B737-800 AMM 49-91-12-400-802. LEAK CHECKED GOOD. ACCOMPLISHED OIL FILTER INSPECTION & SERVICE REF AMM 49-91-13-200-801. NO FAULTS FOUND.

Part: STARTER GEN — LEAKING (APU) · airframe 41,216 hrs · 12,381 cycles

APU STARTER GENERATOR APPEARS TO BE CRACKED ON BOTTOM OF GENERATOR CASE. LEAKING OIL. GROUNDED - YES. REMOVED & REPLACED APU SGU REF B737-800 AMM 49-41-21. LEAK & OPS CHECK GOOD.

Part: CONTROL VALVE — INOPERATIVE (LT ZONE TEMP) · airframe 41,202 hrs · 12,378 cycles

DURING RECALL CONT CABIN ZONE TEMP LIGHT ILLUMINATED. LIGHT EXTINGUISHES W/ MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED CONTROL CABIN TRIM AIR MODULATING VALVE REF B737-800 AMM 2161-21-000-801 & 21-61-21-400-801. LEAK & OPS CHECK GOOD. THIS CLEARS MEL 21-21G.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 41,148 hrs · 12,359 cycles

ZONE TEMP CAUTION LT (CONT CAB) ILLUMINATES UPON RECALL. GROUNDED - YES. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE IAW B737-800 AMM 21-61-00 NO FAULTS NOTED.

Part: PUMP — INOPERATIVE (NR 1 FUEL TANK) · airframe 41,092 hrs · 12,345 cycles

NR MAIN FUEL TANK, FWD ELECT FUEL PUMP INOPERATIVE. GROUNDED - YES. REPLACED THE NR FWD BOOST PUMP IAW AMM 28-22-41. LK AND OPS CK GOOD. ETOPS GROUND VERIFICATION SUCCESSFUL.

Part: ELASTOMER — MISSING (NR 2 ENGINE) · airframe 40,882 hrs · 12,301 cycles

WHILE ACCOMPLISHING TC 78472010 ON #2 ENGINE FOUND PLATFORM #18 MISSING THE ELASTOMER FROM ONE ENTIRE SIDE. GROUNDED - YES. REPLACED #2 ENGINE #18 PLATFORM REF TC 78472010.

Part: BLADE — WORN (NR 1 ENGINE) · airframe 40,375 hrs · 12,160 cycles

PER T/C 78472010 #1 ENGINE # 6 BLADE MISSING CU-NI-IN COATING BEYOND LIMIT. GROUNDED - YES. REPLACED AFORMENTIONED BLADE #6 AND BLADE # 18 REF T/C 78472010.

Part: SELCAL — DAMAGED (NR 1 ENGINE) · airframe 40,375 hrs · 12,160 cycles

PER T/C 78472010 #1 ENGINE PLATFORMS #1,3,5,9,14,15 AND 17 HAVE SEALS DAMAGE. GROUNDED - YES. AFOREMENTIONED #1 ENGINE PLATFORMS REPLACED REF T/C 78472010.

Part: SPACER — DEBONDED (NR 1 ENGINE) · airframe 40,375 hrs · 12,160 cycles

PER T/C 78472010 #1 ENGINE SPACERS #5,7,10,11, AND 13 ELASTOMERS ARE DISBONDED. GROUNDED - YES. AFOREMENTIONED #1 ENG SPACERS REPLACED REF T/C 78472010.

Part: CONNECTOR — DIRTY (FIRE LOOP) · airframe 40,306 hrs · 12,143 cycles

DURING FIRE TEST LOOP A ON ENGINE #1 DID NOT TEST. GROUNDED - YES. REF FIM 26-10 TASK 801. CLEANED LOOP A CONNECTIONS AND RE-SECURED THEM. OPS CHECK NORMAL AT THIS TIME.

Part: WIRE HARNESS — DAMAGED (NR 1 ENGINE) · airframe 40,301 hrs · 12,142 cycles

WHILE ACCOMPLISHING TC N8420000, FOUND DAMAGE ON J9 HARNESS. GROUNDED - YES. REMOVED AND REPLACED J9 HARNESS PER AMM 73-21-06-000-802-F00 / AMM 73-21-06-400-802-F00. ALL OP-CHECKS COMPLETED.

Part: FIRE LOOP — BROKEN (NR 1 ENGINE) · airframe 40,301 hrs · 12,142 cycles

WHILE ACCOMPLISHING T/C N8420000. FOUND ENG #1 M1760 ENGINE CORE RIGHT DETECTOR LOOP A TERMINAL. LUGS BROKEN. GROUNDED - YES. REF WDM 26-11-11 REPLACED TERMINAL LUGS ON ENG# 1 M1760 ENGINE CORE RIGHT DETECTOR LOOP A. OPS NORMAL. ETOPS GROUND VERIFICATION GOOD.

Part: FIRE DETECTOR — DAMAGED (NR 1 ENGINE) · airframe 40,301 hrs · 12,142 cycles

WHILE ACCOMPLISHING T/C N842000, FOUND ENGINE 1 UPPER FAN FIRE DETECTOR M1757 DAMAGED. GROUNDED - YES. REF AMM 26-11-01/401 REMOVED AND REPLACED UPPER FAN FIRE DETECTOR M1757. OPS TEST NORMAL. ETOPS GROUND VERIFICATION GOOD.

Part: WIRE HARNESS — DAMAGED (NR 1 ENGINE) · airframe 40,301 hrs · 12,142 cycles

WHILE ACCOMPLISHING TC N8420000, FOUND DAMAGE ON NACELLE HARNESS MW0311, DOWNSTREAM OF GWTAISV, CONNECTOR DP1103, BEFORE HARNESS SPLIT. GROUNDED - YES. REMOVED AND REPLACED MW0311 HARNESS PER AMM 73-21-06/401. ALL OP-CHECKS COMPLETE REF AMM 77-31-00-710-801-F00 (HIGH POWER ENGINE RUN) AND AVM SYSTEM TEST PER AMM 73-31-00-710-801-F00. TESTS GOOD.

Part: UNKNOWN — MALFUNCTIONED (CABIN TEMP) · airframe 40,196 hrs · 12,113 cycles

CONT CAB OVERHEAT LIGHT ON. GROUNDED - YES. BOTH FLIGHT DECK TEMP CONTROLLERS INOP. ACCOMPLISHED BITE OF THE PACK/ZONE TEMP CONTROLLERS PER INSTRUCTIONS ON THE CONTROLLERS - NO FAULTS NOTED - RELAMPED CAB ZONE TEMP LIGHT, LIGHT REMAINED ON - CYCLED AIRCRAFT POWER, LIGHT WENT OUT AND REMAINS - LIGHT DOES NOT ILLUMINATE WITH SIX PACK.

Part: BATTERY — UNKNOWN (E&E BAY) · airframe 40,195 hrs · 12,112 cycles

REPLACE AUX BATTERY AS PRECAUTION DUE TO TO E3-3 SHELF ARCING DAMAGE ON LP #12163271. GROUNDED - YES. REMOVED & REPLACED AUX BATT (FWD) PER AMM 24-31-11-400-802-002. OPS CHECK GOOD REF AMM 24-31-11.

Part: BATTERY — UNKNOWN (E&E BAY) · airframe 40,195 hrs · 12,112 cycles

REPLACE MAIN BATTERY AS PRECAUTION DUE TO E3-3 SHELF ARCING DAMAGE ON LP #12163271. GROUNDED - YES. REMOVED & REPLACED MAIN BATT (AFT) PER AMM 24-31-11-400-802-002. OPS CHECK GOOD REF AMM 24-31-11.

Part: UNKNOWN — MALFUNCTIONED (HF COMM) · airframe 40,166 hrs · 12,102 cycles

HF1 & HF2 WEAK AND BARELY READABLE. TRIED MULTIPLE FREQS OVER COURSE OF FLIGHT. HF2 OPERATED SLIGHTLY MORE CLEARLY THAN HF1. GROUNDED - YES. PERFORMED A HF SYSTEM TEST OF HF #1 AND #2 PER AMM 23-11-00-730-801. CHECKS GOOD, NO DEFECTS NOTED. ALL COMMUNICATION LOUD AND CLEAR TX AND RX. GROUND VERIFICATION SUCCESSFUL.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 40,095 hrs · 12,084 cycles

AFT CAB ZONE TEMP LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. EXTINGUISHED DURING MASTER CAUTION RESET PER QRH 2.22. GROUNDED - YES. PERFORMED FIM TASK 21-61 TASK 801 CBN TEMP CONTROLLER BITE PROC. VERIFIED & RESET. NO FAULT NOTED.

Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 40,095 hrs · 12,084 cycles

WHEN ACCOMPLISHING T/C 7823008 EMERGENCY LIGHT OP'S CK. FOUND THE L-2 OUTER DOOR LIGHT TO BE OUT. GROUNDED - YES. REPLACED OUTER DOOR EMERGENCY LIGHT REF AMM 33-51-04-960-801 OPS CK GOOD.

Part: INDICATOR — INOPERATIVE (FUEL QTY) · airframe 40,063 hrs · 12,077 cycles

NR 1 MAIN FUEL TANK REFUELING CONTROL PANEL QUANTITY INDICATOR IS INOPERATIVE. GROUNDED - YES. REPLACED THE NR 1 REFUEL QTY INDICATOR PER B737-800 AMM 28-41-61/401. OP-CHECKS GOOD PER SAME.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 40,040 hrs · 12,070 cycles

DURING TAXI OUT FMC DISAGREE CAUTION DISPLAYED. GROUNDED - YES. B737 QRH PROCEDURE RESULTED IN LIGHT AND MESSAGE GOING AWAY, OPS NORMAL.

Part: CONTROL VALVE — FAILED (COCKPIT TEMP) · airframe 39,308 hrs · 11,862 cycles

FOLLOW-UP TO REPORTS OF CONTROL CAB ZONE TEMP ILLUMINATED. GROUNDED - YES. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE TEST ON BOTH TEMP CONTROLLERS, OPS NML, NO FAULTS LOGGED REF B737-800 AMM 21-61-00-700-806-002. REMOVED AND REPLACED CONTROL CABIN TRIM AIR VALVE (V143), OPS NML REF AMM 21-61-21-400-801. ACCOMPLISHED BITE TEST ON BOTH CONTROLLERS, NO FAULTS, OPS NML REF AMM 21-61-21-400-801.

Part: ACTUATOR — FAILED (RT RAM AIR DOOR) · airframe 39,293 hrs · 11,858 cycles

DURING PRE-FLIGHT RIGHT RAM AIR DOOR AND DEFLECTOR DOOR CLOSED. RAM DOOR FAIL OPEN LIGHT NOT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED R/H RAM AIR DOOR, OPS NML REF B737-800 AMM 21-51-21-400-801. ACCOMPLISHED PACK/ZONE TEMP CONTROL BITE TEST, OPS NML REF AMM 21-61-00-700-806-002. MAINT PROCEDURES REVERSED, REMOVED RAM AIR DOOR LOCKOUT PARTS AND STORED IN THE FLY AWAY KIT.

Part: SEAL — OUT OF LIMITS (APU AIR INLET) · airframe 39,260 hrs · 11,846 cycles

WHILE ACCOMPLISHING TASK CARD 78349000, FOUND APU AIR INLET SIGMA SEAL DIMENSION OUT OF LIMITS. GROUNDED - YES. REMOVED AND REPLACED SIGMA SEAL REF B737-800 AMM 49-15-11-400-801.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT TEMP) · airframe 39,230 hrs · 11,838 cycles

CONT CAB ZONE TEMP LIGHT ILLUMINATES IN FLIGHT. GROUNDED - YES. PERFORMED BITE ON BOTH TEMP CONTROLLER. #2 LOGGED TCV FAULT, RESET, RAN TWICE BOTH TEMP CONTROLLERS, OPS NML REF B737-800 FIM 21-62 TASK 801.

Part: FILTER — CLOGGED (TEMP SENSOR) · airframe 39,225 hrs · 11,837 cycles

ON CLIMBOUT ZONE TEMP LT CAME ON 180 CONT CAB SELECTED COOLER TEMP. ZONE TEMP LT STAYED ON. ABLE TO CONT TEMP IN CONT CAB WITH TEMP SELECTOR. WOULD NOT RESET WITH TRIP RESET BUTTON. LIGHT WENT OUT FINALLY 1 1/2 HOURS AFTER IT CAME ON. ON DESCENT LT CAME BACK ON. GROUNDED - YES. PERFORMED B737-800 FIM 21-62 TASK 801, NO FAULTS FOUND. INSPECTED CABIN TEMP SENSOR FILTER (FOUND CLOGGED) REPLACED CABIN TEMP SENSOR FILTER REF B737-800 AMM 21-61-06. OPS CKS NORMAL.

Part: APU — CONTAMINATED (APU BAY) · airframe 38,826 hrs · 11,739 cycles

REPORT OF DIRTY SOCK SMELL IN CABIN. GROUNDED - YES. ACCOMPLISHED CABIN ODOR TROUBLESHOOTING & FOUND OIL CONTAMINATION IN APU LOAD COMPRESSOR CASE REF FIM 05-51 TASK 814. REMOVED AND REPLACED APU REF AMM 49-11-00/401. ACCOMPLISHED APU INSTALLATION TEST REF AMM 49-11-00-400-803 NO SMELLS NOTED.

Part: POWER SUPPLY — INOPERATIVE (CABIN) · airframe 38,794 hrs · 11,730 cycles

R2 DOOR SLIDE EMERGENCY LIGHT INOP. GROUNDED - YES. CONFIRMED FAULT, TROUBLESHOT TO DEFECTIVE EMERGENCY LIGHT BALLAST LOCATED NEXT TO FDR. REMOVED BALLAST ASSY REF AMM 33-51-06, NIS @ LAX. REMOVED & REPLACED BATTERY PACK PER AMM 33-51-06, OPS TESTED AND FOUND TO BE OPERATING NORMALLY.

Part: WIRE — CHAFED (CARGO BAY) · airframe 38,680 hrs · 11,699 cycles

FLIGHT ATTENDANTS REPORT NONE OF THE TOILETS WILL FLUSH. ATTEMPTED MULTIPLE TIMES. GROUNDED - YES. DIVERSION TIME 62 MINUTES. FOUND WIRE W5230-0514-18 BURNT IN TWO DUE TO CHAFFING AGAINST METAL FRAME. THE BURN SPOT WAS CLOSE TO D40152 J/P WHICH IS JUST FORWARD AND JUST A BIT LOWER LEVEL THAN THE BLOWER MOTOR. REPAIRED WIRE ALONG WITH ANOTHER WIRE THAT HAD DAMAGED INSULATION. OPS CHECK GOOD IAW AMM 38-32-00/501.

Part: INDICATION SYS — MALFUNCTIONED (COCKPIT) · airframe 38,564 hrs · 11,668 cycles

NR 2 AFT FUEL PUMP LOW PRESSURE LIGHT REMAINS OFF WHEN PUMP SWITCH OFF. GROUNDED - YES. PERFORMED OPS CHECK OF NO2 FUEL BOOST PUMP LOW PRESSURE LIGHT AFT POSITION AMM 28-42-11-700-024.

Part: CONTROL PANEL — INTERMITTENT (COCKPIT) · airframe 38,551 hrs · 11,665 cycles

FLIGHT DIRECTOR "MASTER" ILLUMINATED ON BOTH SIDES WITH NO CORRESPONDING AUTOPILOT ON. (ONLY ONE MASTER SHOULD BE ILLUMINATED) FLIGHT DIRECTOR DOES NOT CORRESPOND TO RAW DATA. GROUNDED - YES. PERFORMED MCP TESTS PER FIM 22-11 TASK 803. ALL TESTS PASSED. DUE TO HISTORY REPLACED MCP PRECAUTIONARY PER AMM 22-11-34. INSTALLATION TEST FOR MCP GOOD PER AMM 22-11-34-400-801. LRU REPLACEMENT TEST BITE GROUP 32 FOR MCP GOOD PER AMM 22-11-34. LAND VERIFY TEST GROUP #49 GOOD PER AMM 22-11-00.

Part: FILTER — DIRTY (CABIN TEMP) · airframe 38,538 hrs · 11,661 cycles

DURING CRUISE, CONT CAB ZONE TEMP ILLUMINATED. LIGHT RESET WITH MASTER CAUTION. GROUNDED - YES. PERFORMED BITE OF BOTH PACK TEMP CONTROLLERS PER FIM 21-62 TASK 801 AND NO FAULTS FOUND. REMOVED 3 EA CABIN TEMP SENSOR FILTERS PER AMM 21-61-06. FOUND FILTHY. PERFORMED CLEANING OF 3 EA CABIN TEMP SENSOR FILTERS PER AMM 26-61-06-100-801. INSTALLED 3 EA CABIN TEMP SENSOR FILTERS PER AMM 21-61-06. OPS TEST OF CABIN TEMP CONTROL AND INDICATION PER AMM 21-61-00-700-807 GOOD. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST PER AMM 21-61-00-700-806 GOOD.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 38,541 hrs · 11,662 cycles

DURING CRUISE "CONT CABIN" AMBER LIGHT ILLUMINATED BRIEFLY DOES NOT ILLUMINATE ON RECALL. RAN QRC FOR ZONE TEMP. LIGHT WENT OUT BEFORE CHECKLIST COMPLETED LOWERED THE TEMP IN CONT CAB PER QRC LIGHT STAYED OUT. GROUNDED - YES. PERFORMED MASTER CAUTION RECALL NO DEFECTS NOTED. PERFORMED PACK TEMP BITE REF FIM 21-62 TASK 801 PERFORMED CONTROL CAB AUTO TEMP CONTROL REF FIM 21-62 TASK 861. NO DEFECTS NOTED.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 38,520 hrs · 11,656 cycles

"FD" AMBER CAUTION ON CAPT PFD. GROUNDED - YES. PERFORMED BITE TEST PER B737-800 FIM 22-11 TASK 801, NO FAULTS NOTED. REBOOTED A/C POWER, FLAG EXTINGUISHED UPON RESET.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT TEMP) · airframe 38,527 hrs · 11,658 cycles

THE "CONT CAB" ZONE TEMP AMBER CAUTION LIGHT ILLUMINATED PERIODICALLY THROUGHOUT DURATION OF FLIGHT. DOES NOT ILLUMINATE ON RECALL. GROUNDED - YES. CYCLED C/B'S AS LISTED IN B737-800 FIM 21-61 TASK 861. PERFORMED BITE CHECK OF CONTROL TEMP CONTROL SYSTEM, WITH NO DISCREPANCIES NOTED. CONTROL CABIN ZONE TEMP OPS CK NORMAL.

Part: FRAME — CRACKED (NR 1 ENGINE) · airframe 38,506 hrs · 11,651 cycles

NR 1 ENG REAR TURBINE FRAME FLANGE ASSY IS CRACKED AT APPROX 4 HOLES ON THE INTERMEDIATE FLANGE BOLT CIRCLE. GROUNDED - YES. REPLACED NR 1 ENG. FLANGE ASSY PER AMM 72-56-00-400 STEP 3 F (2) & (3). PLUG ASSY REMOVED FOR ACCESS, REINSTALLED PER MM 78-11-02-400.

Part: SWITCH — EXCESS PLAY (COCKPIT) · airframe 38,498 hrs · 11,649 cycles

SUPPLY DUCT AIR TEMP SELECTOR SWITCH HAS EXCESSIVE PLAY IN IT, FEELS LIKE IT IS CLOSE TO BREAKING. GROUNDED - YES. REPLACED CABIN TEMPERATURE SELECTOR PANEL REF AMM 21-61-07-000-803-802. OPS CHECK NORMAL.

Part: OIL FILTER — LEAKING (APU) · airframe 38,416 hrs · 11,629 cycles

ON PUSH RAMP PERSONNEL NOTIFIED PILOT OF OIL DRIPPING FROM APU. GROUNDED - YES. INSPECTED APU, FOUND APU LUBE FILTER HOUSING LEAKING. CLEANED AND RETORQUE APU OIL FILTER, RAN APU VERIFIED NO LEAKS-CHECKED APU OIL QTY. FOUND TO BE FULL REF AMM 49-91-12-4000-802.

Part: OIL SYSTEM — LOW (APU) · airframe 38,374 hrs · 11,614 cycles

UPON LANDING IN HNL AND AFTER ONE START ATTEMPT ON THE APU THE APU "LOW OIL PRESSURE" LIGHT ILLUMINATED AND DID NOT EXTINGUISH. NO FURTHER START ATTEMPTS WERE CONDUCTED. GROUNDED - YES. REF AMM 12-13-31 VERIFIED APU OIL LEVEL USING SIGHT GLASS PROCEDURE, ADDED .5 QUART NO OTHER FAULTS NOTED. RELEASED PER MEL 49-99A DUE TO APU START FAULT. COLD SOAK START ACCOMPLISHED ON FLT 793, SUCCESSFUL. THIS CLEARS MEL 49-99A.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 38,095 hrs · 11,548 cycles

OVER WING FWD EMERGENCY EXIT LIGHTS INOP LH & RH SIDE. GROUNDED - YES. OVERWING FWD EMERGENCY LIGHTS, OPS CHECK GOOD. M1694 BATTERY PACK REPLACED IAW B737-800 AMM 33-51-06-960-806. M1670 BATTERY PACK REPLACED IAW AMM 33-51-06-960-806. OPS CHECK GOOD.

Part: PRESSURE DECK — CRACKED (RT MLG WW) · airframe 38,095 hrs · 11,548 cycles

RIGHT WING REAR SPAR VERTICAL PRESSURE DECK WEB IS CRACKED AT STA 663.75 APPROX RBL 35. GROUNDED - YES. CUT OUT DAMAGE IN WEB AND REPAIRED IAW SRM 57-10-10-2R-3 REPAIR 3.

Part: PLATE — CRACKED (FUSELAGE) · airframe 38,095 hrs · 11,548 cycles

PANEL BRAKE LOWER SURFACE HAS A CRACKED END AT STA 540 RBL 0. GROUNDED - YES. REMOVED AND REPLACED PANEL BREAK AND PLATE IAW BAC DWG 143A5240.

Part: ANGLE — CRACKED (FUSELAGE) · airframe 38,095 hrs · 11,548 cycles

MAIN CABIN STA 540 LBL 0 TO LBL 24 PANEL BREAK ANGLES CRACKED. GROUNDED - YES. REMOVED AND REPLACED PANEL BREAK ASSY IAW BAC DWG 143A5240 AND BAC DWG 143A0060 REV-.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 38,095 hrs · 11,548 cycles

FWD WET AREA INTERCOSTAL IS CRACKED AT STA 312-328 LBL49. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL REF BAC DWG 141A5400 REV-.

Part: CHANNEL — CORRODED (BS 727F-727H) · airframe 38,095 hrs · 11,548 cycles

AFT PIT R/H ZEE CHANNEL SEVERAL SPOTS OF CORROSION BETWEEN BS727F - BS727H. GROUNDED - YES. BLENDED CORROSION FROM AFT PIT R/H ZEE CHANNEL B5727F-727H ORG MAT .040 REMOVED .040, .000 REMAINS, FOUND TO BE OUT OF LIMITS PER B737-800 SRM 53-00-53 ACCOMPLISHED SRM REPAIR 5 PER B737-800 SRM 53-00-53-2R-5 ON ALASKA CARD G1085833 AND HAECO CARD 44833 DOT REMOVED.

Part: WEB — CORRODED (BS 800-847) · airframe 38,095 hrs · 11,548 cycles

AFT CARGO COMPARTMENT SCUFF PLATE THRESHOLD WEB CORRODED. GROUNDED - YES. REMOVE CORROSION ON AFT CARGO COMPARTMENT SCUFF PLATE THRESHOLD WEB AND WAS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-60-15. REMOVED DAMAGED WEB IAW B737-800 SRM 51-40-02. LOCATED, DRILLED AND INSTALLED NEW WEB PART #146A8123U25 PO# 932018.5 IAW BOEING DWG #146A8340 REV-. ORG MAT.045, REMOVED .008, .037 REMAINS DOT REMOVED.

Part: CHANNEL — CORRODED (BS 727H-727J) · airframe 38,095 hrs · 11,548 cycles

AFT PIT R/H ZEE CHANNEL SEVERAL SPOTS OF CORROSION BETWEEN BS727H - BS727J. GROUNDED - YES. BLENDED CORROSION ON AFT PIT R/H ZEE CHANNEL BETWEEN BS727H-727J ORG MAT .040, REMOVED .040, .000 REMAINS FOUND TO BE OUT OF LIMITS PER B737-800 SRM 53-00-53 ACCOMPLISHED SRM REPAIR 5 PER B737-800 SRM 53-00-53-2R-5 ON ALASKA CARD G1085833 AND HAECO CARD 44833 DOT REMOVED.

Part: CHANNEL — CORRODED (BS 727C-727D) · airframe 38,095 hrs · 11,548 cycles

AFT PIT R/H ZEE CHANNEL SEVERAL SPOTS OF CORROSION BETWEEN BS727C - BS727D. GROUNDED - YES. BLENDED CORROSION FROM AFT PIT L/H ZEE CHANNEL BETWEEN BS727C-727D, ORG MAT .040, REMOVED .001, .039 REMAINS. FOUND TO BE IN LIMITS PER B737-800 SRM 51-00-53. ALODINED & PRIMED PER B737-800 SRM 51-20-01. MARKED AREA PER B737-800 AMM 51-05-01 DOT REMOVED.

Part: UNKNOWN — ODOR (CABIN) · airframe 37,700 hrs · 11,437 cycles

FLIGHT ATTENDANTS REPORT BURNING RUBBER SMELL DURING TAKEOFF AND CLIMB IN ROW 26. THE SMELL DISSIPATED IN CRUISE. GROUNDED - YES. ACCOMPLISHED CABIN ODOR TROUBLESHOOTING REF FIM TASK 05-51 TASK 814 RAN APU BOTH ENGS AND PACKS NO DISCREPANCIES NOTED. NO HISTORY 30 DAYS COULD NOT DUPLICATE OK FOR CONTINUED SERVICE.

Part: ANTI-ICE VALVE — FAILED (NR 1 ENGINE) · airframe 37,091 hrs · 11,272 cycles

AMBER TAI INDICATION AND BRIGHT BLUE COWL VALVE OPEN LIGHT WITH SWITCH IN ON POSITION. ACFT GROUNDED. REMOVED AND REPLACED NR 1 ANTI-ICE VALVE IAW AMM 30-21-11. OPS CHECKED NORMAL.

Part: BLADE — FAILED (NR 2 ENGINE) · airframe 37,014 hrs · 11,246 cycles

NR 2 ENGINE CONTINUES TO HAVE GREATER THAN EXPECTED VIBRATION LEVELS AFTER LAST FAN LUBE AND ON BOARD FAN TRIM BALANCE. ACFT GROUNDED. ACCOMPLISHED STEP 1 OF TSR. REPLACED 1 PLATFORM. PERFORMED NR 2 ENGINE VIBRATION SURVEY TEST 7 & ON-BOARD FAN TRIM BALANCE TEST 14B IAW AMM 71-00-00-700-814-F00, AND 71-00-00-750-808-F00. PEAK VIBRATION OF 0.4 UNITS IS WITHIN PUBLISHED LIMITS IAW MM 71-00-00-800-806-F00.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 36,817 hrs · 11,189 cycles

AUTO FAIL LIGHT ILLUMINATED ON PRESSURIZATION CONTROL PANEL. ALTN GREEN LIGHT ILLUMINATED. GROUNDED - YES. RECYCLED SWITCH TO MANUAL AND BACK TO AUTO. GOOD FOR SERVICE.

Part: CIRCUIT BREAKER — TRIPPED (COCKPIT) · airframe 36,713 hrs · 11,151 cycles

AFTER LEVEL OFF FA REPORTS ALL LAVS WILL NOT FLUSH. GROUNDED - YES. DIVERSION TIME 63 MINUTES - FOUND VAC WASTE CNTRL C/B ON P91 PNL OPEN, RESET C/B AS PER AMM 20-60-01. ACCOMPLISHED OPS CHK OF ALL LAVS OPS CHK GOOD OK FOR SERVICE REF FIM 38-30 TASK 811.

Part: WIRE HARNESS — CORRODED (NR 1 ENGINE) · airframe 36,626 hrs · 11,119 cycles

FOUND FAULT CODE 73-31071, FUEL FILTER SIGNALS DISAGREE, LONG TIME FAULT ON NR 1 ENG. GROUNDED - YES. CW EEC BITE NR 1 ENG SHOWS NO FAULTS. REMOVED AND REPLACED J8 HARNESS REF AMM 73-21-06 DUE TO CORROSION. OP CK GOOD.

Part: BLADE — DAMAGED (NR 2 ENGINE) · airframe 36,626 hrs · 11,119 cycles

NR 2 ENG, NR 1, 6, 8 FAN BLADE PLATFORMS HAS DAMAGE. GROUNDED - YES. ON NR 2 ENG REMOVED AND REPLACED NR 1, 6, 8 FAN BLADE PLATFORMS IAW MX T/C 78472002.

Part: BLADE — WORN (NR 2 ENGINE) · airframe 36,626 hrs · 11,119 cycles

NR 2 ENG, NR 13 FAN BLADE HAS CU-NI-IN MISSING BEYOND LIMITS. GROUNDED - YES. ON NR 2 ENG REMOVED AND REPLACED NR 13 FAN BLADE IAW MX T/C 78472002.

Part: BLADE — CRACKED (NR 1 ENGINE) · airframe 36,561 hrs · 11,089 cycles

PER TSR 701960 STEP 2 NGV INSPECTION AT 1 O'CLOCK POSITION FOUND AXIAL CRACK LE TO TE 1 AIRFOIL AT NR 1 ENGINE. GROUNDED - YES. ON DEFERRAL.

Part: VALVE — LEAKING (BLEED AIR SYS) · airframe 36,561 hrs · 11,089 cycles

WHILE PERFORMING TSR701958 FOUND NR 1 ENG EGT EXCEEDANCE. GROUNDED - YES. ACCOMPLISHED EEC TEST REF FIM 71-06-805 NO FAULTS FOUND PERFORMED STEP 2. ACCOMPLISHED NR 1 ENGINE HPT BLADES BORESCOPE INSPECTION REF AMM 72-00-00-200-807-F00 NO DAMAGE NOTED. ACCOMPLISHED TEST 1 PNEUMATIC LEAK CHECK ON NR 1 ENG & FOUND PRSOV AND HSV TO HAVE LEAKS AT BUTTERFLY SHAFT BLEED HOLE & SEVERAL SMALL LEAKS AT UNIONS. REMOVED & REPLACED BOTH REF AMM 36-11-04 & 36-11-06.

Part: BLADE — WORN (NR 1 ENGINE) · airframe 36,491 hrs · 11,073 cycles

ENG NR 1 FAN BLADE 1, 5, 6, 7, 8, 11, 20 HAS FAN BLADE ROOT CU-NI-IN COATING OUT OF LIMITS. NO BASE METAL WEAR NOTED. GROUNDED - YES. REPLACED 1, 5, 6, 7, 8, 11, AND 20 BLADES. REF TC 78472002. SEE TC 78472002, FIGURE 400 TABLE 2 FOR NEW BLADE P/N, S/N AND PLACEMENT.

Part: SEAL — DAMAGED (NR 1 ENGINE) · airframe 36,491 hrs · 11,073 cycles

WHILE ACCOMPLISHING TASKCARD 78472000, FOUND OUTLET GUIDE VANE AT AROUND THE 4 O CLOCK POSITION ( FORWARD LOOKING AFT) WITH A DAMAGED BASE SEAL. GROUNDED - YES. REMOVED AND REPLACED OUTLET GUIDE VANE SEAL AT AROUND THE 4 O CLOCK POSITION REF AMM 72-23-01.

Part: PROBE — DEFECTIVE (NR 1 ENGINE) · airframe 36,354 hrs · 11,040 cycles

NR 1 ENGINE TREND DATA SHOWS AN INCREASE IN DELTA EGT AND DECREASE IN EGT HOT DAY. FUEL FLOW AND CORE SPEED REMAIN STABLE. GROUNDED - YES. PRIOR TO RUNNING THE NR 1 ENGINE, TOOK A LOOK AT THE EGT PROBE READINGS AND OBSERVED THE S4 ALTERNATING FROM DASHES TO READING 1349 DEGREES. ACCOMPLISHED T49.5 PROBE AND EGT SYSTEM INSPECTION REF AMM 77-21-01-200-801-F00. FOUND THE S4 PROBE TO HAVE HIGH RESISTANCE. REMOVED & REPLACED S4 PROBE REF AMM 77-21-01-400-801-F00. ACCOMPLISHED EEC TEST REF AMM 73-21-00-700-804-F00. OPS CK GOOD WITH NO FAULTS. NO FAULTS ON FLT LEG 0.

Part: VALVE — FAILED (LT A/C PACK) · airframe 36,221 hrs · 11,004 cycles

ON RECALL, THE CONTROL CABIN ZONE TEMP ILLUMINATED, EXTINGUISHED ON RESET. ACFT GROUNDED. REMOVED & REPLACED THE ZONE TRIM MODULATION VALVE IAW AMM 21-61-21-000/400. CHECKED GOOD IAW AMM 21-51-00-700-803, PACK ZONE TEMP CONTROLLER BITE TEST. OPS NORMAL.

Part: PROBE — DEFECTIVE (NR 1 ENGINE) · airframe 36,190 hrs · 10,998 cycles

WHILE ACCOMPLISHING T/C 78273000, FOUND ECONOMIC FAULT MSG 77-20871 THE TOP LET EGT SIGNAL (T495S4) IS OUT OF RANGE ON NR 1 ENG. GROUNDED - YES. DEFERRED MAINTENANCE FOR 500 FLT HRS PER T/C 78273000. REF FIM 77-21 TASK 804, INITIAL EVALUATION COMPLETED STEPS 1 AND 2 FOUND FAULT MSG 77-20871 STILL PRESENT WITH ONLY T495S1 TO T495S4 OUT OF TOLERANCE. DISCONNECTED EGT HARNESS CONNECTORS WITH THE INCORRECT INDICATION (TOP LEFT T49.5 PROBE AND TOP RIGHT T49.5 PROBE, ACCOMPLISHED EGT CONNECTOR CLEANING. REINSTALLED CONNECTORS. THIS DID NOT REPAIR FAULT. FAULT MSG 77-20871 STILL PRESENT. PRIOR TO RUNNING THE NR 1 ENGINE, TOOK A LOOK AT THE EGT PROBE READINGS AND OBSERVED THE S4 ALTERNATING FROM DASHES TO READING 1349 DEGREES. ACCOMPLISHED T49.5 PROBE AND EGT SYSTEM INSPECTION REF AMM 77-21-01-200-801-F00. FOUND THE S4 PROBE TO HAVE HIGH RESISTANCE. REMOVED & REPLACED S4 PROBE REF AMM 77-21-01-400-801-F00. ACCOMPLISHED EEC TEST REF AMM 73-21-00-700-804-F00. OPS CK GOOD WITH NO FAULTS. NO FAULTS ON FLT LEG 0. THIS CLEARS PLT.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 35,987 hrs · 10,940 cycles

CA FLT DIR FLAG CAME ON, 10 MIN PRIOR TO DEPARTURE. GROUNDED - YES. CYCLED A/C POWER REF AMM 22-60-99 CAP T/O RETURN TO NORMAL ACCOMPLISHED DFGS F/D TEST NORMAL REF AMM 22-11-00 A/C OK OPS CHECK NORMAL.

Part: CONTROL VALVE — FAULTED (LT A/C PACK) · airframe 35,718 hrs · 10,868 cycles

ZONE TEMP LIGHT ON RECALL CONT CABIN. ACFT GROUNDED. PERFORMED A BITE TEST OF PACK ZONE TEMP CONTROLLER IAW AMM 21-61-00-700-806-002, THE TEST INDICATES FLIGHT DECK TRIM VALVE FAULT. REMOVED AND REPLACED ZONE TRIM AIR MODULATING VALVE IAW AMM 21-61-21, OPS CHECKED GOOD, NO LEAKS OR FAULTS NOTED, BITE TEST ACCEPTABLE NO FAULTS. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.

Part: COUPLER — FAILED (HF COMMS) · airframe 35,685 hrs · 10,861 cycles

NR 1 AND 2 HF RADIO NO COMM APPROACHING GATEWAY FIX. SEEMED TO BE TUNING, HAD SIDETONE. COULDNT HEAR MUCH STATIC IN AUDIO, SEEMED ABNORMAL. ACFT GROUNDED. PERFORMED FIM 23-11 TASK 801, NR 1 AND 2 HF BITE PASSED. PERFORMED HF COMM SYSTEM TEST IAW FIM 23-11 TASK 806. WHILE SWITCH FREQUENCY HF 1 FAILED. REMOVED AND REPLACED THE NR 1 HF COUPLER IAW AMM 23-11-61. NR 1 AND 2 HF OPS CHECKED NORMAL.

Part: FIRE DETECTOR — INOPERATIVE (APU BAY) · airframe 35,684 hrs · 10,860 cycles

APU DETECTOR INOPERATIVE LIGHT ILLUMINATED ON THE GROUND, ALONG WITH MASTER CAUTION OVERHEAT DETECTOR. ACFT GROUNDED. TROUBLESHOT TO THE APU LOWER LOOP. REMOVED AND REPLACED THE APU LOWER FIRE DETECTION LOOP, OPS CHECKED NORMAL IAW AMM 26-10-01 AND 26-15-01.

Part: VALVE — MALFUNCTIONED (WATER PRESSURE) · airframe 35,533 hrs · 10,822 cycles

DURING CLIMBOUT, FA STATED WATER PRESSURE IN LAVS AND WATER DISPENSED WITH COFFEE MAKERS LOW PRESSURE, THROUGHOUT AIRCRAFT. ACFT GROUNDED. AIR TURNBACK. OPENED THE WATER SERVICE PANEL, CYCLED WATER DRAIN VALVE OPEN THEN CLOSED. WATER PRESSURE & FLOW NORMAL FROM ALL LAVS, TOILETS AND SINKS.

Part: STARTER — FAILED (NR 2 ENGINE) · airframe 35,430 hrs · 10,786 cycles

NR 2 ENGINE WILL NOT START, APU DUCT PRESSURE 45 PSI. START SWITCH IN GROUND MODE, START VALVE OPEN INDICATION N2 0 PERCENT. FAN BLADES TURNED BY HAND. EXTERNAL HEAT SOURCE APPLIED WITH COWL COVERS. NO CHANGE ON RESTART ATTEMP, NR 1 ENGINE TURNS NORMALLY WITH START SWITCH IN GROUND MODE. ACFT GROUNDED. REPLACED THE NR 2 ENGINE STARTER IAW AMM 80-11-01. OPS CHECKED NORMAL.

Part: CONTROL PANEL — FAILED (AUTOPILOT) · airframe 35,285 hrs · 10,744 cycles

AUTOPILOT CMD A BACK LIGHT INOPERATIVE. AUTO PILOT A OPERATED NORMALLY. ACFT GROUNDED. VERIFIED THE FAULT. REPLACED THE MCP IAW AMM 22-11-34/401. THE NEW MCP OPS CHECKED GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT TEMP) · airframe 34,628 hrs · 10,559 cycles

CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL. RESET WITH THE MASTER CAUTION. ACFT GROUNDED. BITE CHECKED THE RT ZONE TEMP CONTROLLER IAW FIM 21-62 TASK 801. FAULTED FLT DECK TRIM VALVE. RAN VERIFY TEST THREE TIMES IAW FIM 21-62 TASK 832, FAULT CLEARED WITH NO FURTHER DEFECTS NOTED.

Part: DISPLAY — FAULTY (COCKPIT) · airframe 34,212 hrs · 10,445 cycles

CAPTAINS CDU FLICKERING ON DESCENT. GROUNDED - YES. PERFORMED CAPT FMC L CDU BIT FLT FAULT. FOUND CDU LIGHT SENSOR AND SEVERAL CDU POWER FAULTS LOGGED. REMOVED AND INSTALLED NEW MCDU ON CAPT SIDE REF AMM 34-61-01-000-802. PERFORMED SW CONFIG CDU SOFTWARE CONFIGURATION CHECK PER AMM TASK 34-61-00-750-802 AND INSTALL TEST REF AMM 34-61-01-400-802. SYS CHKS NML. CLEARS MEL 34-36L.

Part: DISPLAY — MALFUNCTIONED (COCKPIT) · airframe 34,202 hrs · 10,443 cycles

CAPT MCDU SCREEN FLICKERING INTERMITANTLY. GROUNDED - YES. OPS NORMAL REF B737-800 FIM 34-61 TASK 803.

Part: WINDOW — FAILED (R1) · airframe 34,039 hrs · 10,387 cycles

RIGHT FWD WINDSHIELD OVERHEAT LIGHT IS ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED WINDOW HEAT CONTROL UNIT BITE PROCEDURE ON THE RIGHT FWD CONTROLLER. FOUND WINDOW SENSOR FAULT LIGHT ILLUMINATED, IAW FIM 30-41 TASK 801. MEASURED THE RESISTANCE OF THE WINDOW TEMP. SENSORS OF THE RIGHT FROM WINDOW, BOTH SENSORS SHOW OPEN CIRCUIT IAW AMM 30-41-21. REMOVED AND REPLACED R1 COCKPIT WINDOW IAW AMM 56-11-11-400-801 TO SECTION H-12. COMPLETED AMM 56-11-11-400-801. COMPLIED WITH WINDOW HEAT SYSTEM OPERATIONAL TEST. NO DEFECTS NOTED. GROUND VERIFICATION SATISFACTORY.

Part: PUMP — FAILED (FUEL SYSTEM) · airframe 33,994 hrs · 10,368 cycles

DURING FLIGHT RIGHT CENTER TANK FUEL PUMP LIGHT ILLUMINATED. W/3100LBS OF FUEL IN CTR TANK. PILOT RAN QRH FOR CONDITION. STOPPING THE INCREASING FUEL IMBALANCE. ALL C/B'S REMAINED STOWED. GROUNDED - YES. REPLACED THE RT CENTER TANK BOOST PUMP MOTOR IMPELLER PER AMM 28-22-41. OPS CHECK AND LEAK CHECK GOOD. THIS CLEARS MELS 28-3F AND 28-2E.

Part: FILTER — CLOGGED (NR 1 IDG) · airframe 33,970 hrs · 10,362 cycles

DURING PDC, FOUND THE NR 1 IDG DIFFERENTAL PRESSURE INDICATOR POPPED. ACFT GROUNDED. ACCOMPLISHED AMM 12-13-21-200-802, CHANGED SCAVENGE CHARGE FILTERS AND IDG OIL NO METAL PARTICLES NOTED, LEAK CHECKED GOOD, DPI RESET.

Part: IDG — FAILED (NR 1) · airframe 33,970 hrs · 10,362 cycles

NR 1 IDG HAD A THIRD DPI TRIP. ACFT GROUNDED. FLUSHED IDG OIL SYSTEM IAW AMM 12-13-21. REMOVED & REPLACED THE NR 1 ENGINE IDG IAW AMM 24-11-11. OPS CHECKED GOOD.

Part: SATCOM — MALFUNCTIONED · airframe 33,798 hrs · 10,293 cycles

SATCOM INTERMITTENTLY FAILED. ON PG2 OF SAT-PHONE IN MCDU THE BITE PROMPT OCCASIONALLY DISPLAYS FAIL. SAT BITE STATUS SHOWS LBT-2 FAIL AT SAME TIME AS BITE CHANGES FROM OK TO FAIL. CAN MAKE SATCOM CALLS BUT UNABLE TO RECEIVE CALLS FROM DISPATCH. ACFT GROUNDED. COMFIRMED LBT-2 FAIL, BITE FAIL, AND LBT-2 SIM BLANK. REMOVED CIM IAW AMM 23-15-00-400-802. CLEANED & INSPECTED CONNECTOR. REMOVED SIM CARDS. CLEANED SIM CARDS AND CIM. INSTALLED SIM TO ORIGINAL LOCATION. REINSTALLED CIM IAW AMM 23-15-00. LBT-A ND LBT-2 READING NORMAL ON MCDU. LBRT-2 SIM SHOWING DATA. INCOMING CALLS RECEIVED NORMAL.

Part: LEAD — CHAFED (NR 2 IGNITION) · airframe 33,347 hrs · 10,128 cycles

FOUND THE RT IGNITER LEAD CHAFED ON BOTTOM SIDE IN BETWEEN LAST TWO RING CLAMPS. ACFT GROUNDED. REMOVED AND REPLACED THE RT IGNITION LEAD IAW AMM 74-21-01. OPS CHECKED NORMAL IAW AMM 74-00-00.

Part: FMC — MALFUNCTIONED (LEFT) · airframe 33,303 hrs · 10,112 cycles

LEFT FMC INTERMITTENTLY FAILED DURING TAXI-IN WITH VTK DISPLAYED ON CAPTAIN'S ND. CONDITION CONTINUED AT GATE, WITH FMC PROMPTS REMOVED FROM BOTH MCDUS, AND VTK APPEARING INTERMITTENTLY ON CAPTAIN'S SIDE. ACFT GROUNDED. NO PREVIOUS HISTORY. ACCOMPLISHED FIM 34-61, TASK 836. DOWN MODE CONDITION FAULT RESET AND GROUND VERIFICATION TEST NORMAL.

Part: CONTROL VALVE — FAULTED (LT A/C PACK) · airframe 32,972 hrs · 10,016 cycles

ZONE TEMP IN CONTROL CABIN LIGHT ILLUMINATED. FOLLOWED QRH. LIGHT ILLUMINATED INTERMITTENTLY AND THEN REMAINED ON. SUPPLY DUCT TEMP WAS CONTROLLABLE; WE OPERATED IN THE OFF POSITION. GROUNDED - YES. PERFORMED PACK TEMP CONTROLLER BITE ON BOTH CONTROLLERS IAW B737-800 FIM 21-62 TASK 801 FOUND #1 CONTROLLER ZONE TRIM VALVE FAULT. REMOVED AND REPLACED VALVE 145 AFT CABIN TRIM AIR VALVE IAW B737-800 AMM 21-61-21. PERFORMED PACK TEMP CONTROLLER BITE ON BOTH CONTROLLERS IAW FIM 21-62 TASK 801. NO FAULTS. THIS CLEARS MEL 21-21G & MEL 21-18C.

Part: GIRT BAR — DIRTY (R1 DOOR SLIDE) · airframe 32,903 hrs · 9,998 cycles

R1 GIRT BAR HARD TO ARM AND DISARM. ACFT GROUNDED. CLEANED R1 GIRT BAR ENDS & FLOOR ATTACHMENT POINTS, OPS CHECKED NORMAL.

Part: ACTUATOR — LEAKING (NR 1 ENGINE) · airframe 32,728 hrs · 9,943 cycles

NR 1 ENGINE HAS FUEL LEAKING FROM COWL DRAIN. ACFT GROUNDED. ACCOMPLISHED ALTERNATE DEACTIVATION FOR TR -C-DUCTS IAW CHAPTER 5, TABLE 3, ITEM 8. REMOVED AND REPLACED RT VSV ACTUATOR ON NR 1 ENGINE IAW AMM 75-31-01-000-802-F00 AND AMM 75-31-01-400-802-F00. REVERSED ALTERNATE DEACTIVATION FOR C-DUCTS IAW CHAPTER 5, TABLE 3, ITEM 8. ACCOMPLISHED TESTS IAW AMM 71-00-00-700-F00. OPS CHECKED GOOD, NO FAULTS, LEAK CHECKED GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 32,401 hrs · 9,850 cycles

ELEC LIGHT IS ON. ACFT GROUNDED. FOUND SPCU 1 INOPERATIVE. RESET FAULT IAW FIM 24-34 TASK 802. THERE WAS AN INTERMITTENT FAULT. OK FOR SERVICE.

Part: PRESSURE SWITCH — FAILED (NR 1 ENG FUEL) · airframe 32,355 hrs · 9,838 cycles

ON TAXI IN LEFT FILTER BYPASS LIGHT ILLUMINATED (FUEL). ACFT GROUNDED. FOUND MILD CONTAMINATION INSIDE CONNECTOR DP0803 IAW SSM 73-31-11. CLEANED THE CONNECTOR & ACCOMPLISHED CONNECTOR SOCKET RETENTION TEST. NO DEFECTS NOTED IAW MM 70-70-01-200-801-F00. CDS REPORTS FUEL FILTER DISAGREE IN LEGS 1, 2, 3 AND 9. NO FAULTS IN LAST LEG OR CURRENT. COMPLIED WITH FIM TASK 73-05 TASK 801. EEC BITE CHECKED GOOD. REMOVED AND REPLACED THE FUEL FILTER, AND FUEL FILTER DIFFERENTIAL PRESSURE SWITCH IAW AMM 73-11-02/401 AND 73-34-01-401. OPS CHECKED GOOD. NO LEAKS NOTED, NO HISTORY IN LAST 60 DAYS. NO CONTAMINATION NOTED.

Part: INDICATOR — INTERMITTENT (FUEL QTY) · airframe 32,328 hrs · 9,830 cycles

CENTER FUEL TANK INDICATOR IS BLINKING OUT AT SINGLE POINT REFUELING POINT. ACFT GROUNDED. REPLACED CENTER REFUEL PANEL INDICATOR. OPS AND GROUND VERIFICATION GOOD IAW AMM 28-41-61-400-801.

Part: ACTUATOR — FAILED (RAM AIR) · airframe 32,195 hrs · 9,790 cycles

LEFT PACK LIGHT ILLUMINATED DURING RECALL AND EXTENGUISHESDUPON RESET. ACFT GROUNDED. FOUND RAM AIR ACTUATOR FAULT ON LT PACK ZONE TEMP CONTROLLER WHILE PERFORMING BITE CHECK IAW AMM 21-61-00. REMOVED AND REPLACED L/H RAM AIR DOOR INLET ACTUATOR IAW AMM 21-51-21. OPS CHECKED GOOD, BITE CHECKED GOOD.

Part: WARNING LIGHT — ILLUMINATED (LT A/C PACK) · airframe 32,184 hrs · 9,784 cycles

ON RECALL, THE LEFT PACK LIGHT ILLUMINATED. DOES RESET WITH MASTER CAUTION RESET. ACFT GROUNDED. NR 1 ZONE TEMP CONTROLLER LOGGED RAM AIR ACTUATOR FAULT. BITE TESTED GOOD, FAULT RESET.

Part: CONTROLLER — MALFUNCTIONED (LT A/C PACK) · airframe 32,177 hrs · 9,781 cycles

AFTER START ON RECALL, LEFT PACK LIGHT ON. GOES OUT ON MASTER CAUTION RESET. ACFT GROUNDED. CHECKED AND COMPLIED WITH AMM TASK 21-61-00-700-806-002. PACK/TEMP CONTROLLER BITE TEST. RESET NR 1 CONTROLLER, OPS CHECKED GOOD, OK TO CONTINUE IN SERVICE.

Part: FMC — UNKNOWN · airframe 32,145 hrs · 9,774 cycles

DURING DESCENT THROUGH FL190, THE FIRST OFFICER`S FMC CALL, FAIL, OFST, MESSAGE LIGHT ILLUMINATED AND SCREEN BLANKED FOR 10 SECONDS. RECOVERED ON ITS OWN WITHOUT ANY FURTHER ACTION. ACFT GROUNDED. PERFORMED FMCS BITE IAW FIM 34-61, TASK 801. INFLT FAULT SHOWED B FOR RIGHT CDU. NO SENSOR FAULTS SHOWED. PERFORMED FIM 34-61, TASK 804 FOR CDU BLANKING. FAULT CORRECTED IAW REPAIR CONFIRMATION.

Part: CIRCUIT BREAKER — TRIPPED · airframe 32,121 hrs · 9,768 cycles

STANDBY BUSS SECTION 2 CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. RESET THE CIRCUIT BREAKER IAW AMM 26-60-01. NO DISCREPANCIES NOTED. FUNCTIONAL CHECK OF SPCU OK IAW AMM 24-34-11.

Part: WARNING FLAG — FALSE INDICATION (WX RADAR) · airframe 32,121 hrs · 9,768 cycles

WX RADAR INOPERATIVE FLAG. ACFT GROUNDED. CYCLED POWER TO ACFT IAW AMM 24-22-00 AND OPS CHECK OKAY. ACFT RETURNED TO SERVICE.

Part: WINDOW — FAILED (L2) · airframe 32,077 hrs · 9,758 cycles

LEFT SIDE WINDOW OVERHEAT. AFTER 2 MINUTES OFF WHEN REAPPLING HEAT, THE OVERHEAT LIGHT ILLUMINATED AGAIN IMMEDIATELY. ACFT GROUNDED. BITE CHECK OF WHCU IAW FIM 30-41, TASK 801. FAILS WINDOW SENSOR. VERIFIED M2675 COIL CORD ASSEMBLY GOOD IAW WDM 30-41-12. CHECKED RESISTANCE OF PRIMARY SENSOR AND IT WAS OPEN. MOVED TERMINAL TO SPARE SENSOR AND IT WAS ALSO BAD. MOVED SENSOR TERMINAL BACK TO PRIMARY SENSOR TAP. RETAPPED THE LT SIDE WINDOW IAW WDM 30-41-12. REMOVED AND REPLACED THE L2 SLIDING WINDOW, OPS AND ADJUSTMENT GOOD IAW AMM 56-12-11-400-801. PRESSURIZED ACFT, NO DEFECTS NOTED.

Part: FLEX LINE — LEAKING (NR 2 BLEED AIR) · airframe 31,447 hrs · 9,570 cycles

DURING A NR 2 ENGINE AMM TASK 36-11-00-710-801, FOUND IT FAILED BLEED AIR CROSSOVER OPERATIONAL TEST. FOUND UPPER BLEED AIR FLEX LINE LEAKING. REPLACED THE FLEX LINE IAW AMM 36-11-00-700-805. SYSTEM OPS CHECKED NORMAL,

Part: SENSE LINE — UNSECURE (BLEED AIR SYS) · airframe 31,391 hrs · 9,554 cycles

FOLLOW-UP TO REPORT OF HIGH DUCT PRESSURE RIGHT SIDE GROUNDED - YES. FOUND SENSE LINES AT BLEED AIR REG AND PRSOV NOT SECURE. RESECURED SENSE LINES REF AMM 36-11-03 FOR BLEED AIR REG AND 36-11-04 FOR PRSOV. REF MAINT TASK CARD NG 36WC-0001 NO DEFECTS NOTED.

Part: FMC — MALFUNCTIONED (BOTH) · airframe 31,329 hrs · 9,539 cycles

AFTER LANDING AND ROLLOUT BOTH FMC WENT OFFLINE. BOTH MCDU DISPLAYED NO FMC SELECTION OPTION, RNP WENT TO 9.8 NM. ACFT GROUNDED. FMC BITE CHECK FOUND NUISANCE ERROR DURING LANDING,TAXI, BOTH FMC OPS NORMAL. ACFT OK FOR SERVICE, IAW AMM 34-61-00-860-801.

Part: FMC — MALFUNCTIONED (NR 1) · airframe 31,167 hrs · 9,491 cycles

NR 1 FMC SCREEN STROBING BRIGHT TO DIM WHEN DISPLAY IS DIMMED. ACFT GROUNDED. PERFORMED FIM 34-61, TASK 803 WITH VARYING DIMMING RHEOSTAT SETTINGS, VARYING LIGHT INTENSITY ON CDU LIGHT SENSORS PRODUCED NO DISCREPANCIES. INTERMITTENT FAULT. NO HISTORY LAST 90 DAYS. GROUND VERIFIICATION TESTED GOOD.

Part: FUEL CONTROL — FAILED (APU) · airframe 31,167 hrs · 9,491 cycles

CSS APU START FAILED DUE TO OVERTEMP TO 1000 DEGREES, RESULTING IN AUTO SHUTDOWN WITH FAULT LIGHT. ACFT GROUNDED. REMOVED & REPLACED THE APU FCU IAW AMM 49-31-11, LEAK CHECKED & GROUND FUNCTIONAL CHECKED NORMAL IAW APU BITE TEST TASK 49-61-00-700-801.

Part: FLOOR SUPPORT — CORRODED (BS 260-270) · corrosion level 2 · airframe 31,149 hrs · 9,487 cycles

COCKPIT FLOOR SUPPORT AT BS 269, RBL 11 CORRODED. ACFT GROUNDED. REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 51-40-02.

Part: SUPPORT ANGLE — CORRODED (BS 270) · corrosion level 2 · airframe 31,149 hrs · 9,487 cycles

FLIGHT COMPARTMENT FLOOR UNDER ACCESS PANEL 211AF SUPPORT ANGLES, UPPER SURFACE CORROSION. ACFT GROUNDED. ACCOMPLISHED REPAIR TO DISCREPANT AREA IAW EA 800-53EA-18507 REV 00.

Part: FLOORBEAM — CORRODED (BS 767) · corrosion level 2 · airframe 31,149 hrs · 9,487 cycles

AFT CARGO BAY FLOOR PANEL SPLICE PLATE AT BS 767 IS CORRODED. ACFT GROUNDED. FOUND TO BE OUT OF LIMITS. REPLACED THE SPLICE IAW SRM 53-00-53.

Part: FLOOR PANEL — PUNCTURED (CARGO BAY) · airframe 31,149 hrs · 9,487 cycles

AFT CARGO COMPARTMENT FLOOR PANEL 140CF IS PUNCTURED. GROUNDED - YES. FABRICATED NEW PANEL 140CF IAW BAC DWG 453A2610 REV-C ALODINED AND PRIMED IAW B737-800 SRM 51-20-01.

Part: FLOOR PANEL — GOUGED (CARGO BAY) · airframe 31,149 hrs · 9,487 cycles

AFT CARGO COMPARTMENT FLOOR PANEL 140EF HAS SEVERAL DEEP GOUGES. ACFT GROUNDED. FABRICATED PANEL 140EF IAW DWG 453A2610 REV K AND GPM SECTION 05-00-85. TREATED ALODINED, PRIMED AREA IAW SRM 51-20-01.

Part: FLOOR PANEL — GOUGED (AFT CARGO) · airframe 31,149 hrs · 9,487 cycles

AFT CARGO BAY FLOOR PANEL 140BF HAS SEVERAL GOUGES. ACFT GROUNDED. FABRICATED A NEW PANEL. LOCATED, ALODINE AND PRIMED IAW SRM 51-20-01 AND DWG 453A2610B REV E.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 31,039 hrs · 9,463 cycles

AFTER STARTUP CONTROL CAB ZONE TEMP LIGHT CAME ON AND WOULD NOT EXTIGUISH AFTER CHECKLIST. ACFT GROUNDED. PERFORMED FIM 21-61 TASK 861. BITE TEST OF NR 1 AND 2 TEMP CONTROLLERS SHOWS NO FAULTS. RAN PACKS AND CONT CABIN TEMP ADJUSTS NORMALLY. BITE TESTED AGAIN AND NO FAULT. NO HISTORY 90 DAYS.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS) · airframe 31,021 hrs · 9,458 cycles

WHILE ACCOMPLISHING TASK CARD 78233008 FOUND ALL EMERGENCY LIGHTS AT R1 DOOR INOPERATIVE AND FIRST CLASS AREA LIGHT INOPERATIVE. ACFT GROUNDED. REPLACED BATTERY PACK FOR LIGHTING/EMERGENCY FOR ALL LIGHTS AT R1 DOOR AND FIRST CLASS AREA IAW AMM 33-51-06-960-805. OPS CHECKED GOOD.

Part: LENS — MISSING (EMERGENCY LIGHT) · airframe 30,739 hrs · 9,381 cycles

ROW 16DEF EMERGENCY EXIT LIGHT MISSING LENS COVER. ACFT GROUNDED. REMOVED & REPLACED THE EMERGENCY LIGHT ASSY IAW 33-51-01-960-802. OPS CHECKED GOOD.

Part: SATCOM — LOCKED · airframe 30,656 hrs · 9,352 cycles

SATCOM LOCKUP. ACFT GROUNDED. PERFORMED OPS CHECK OF SATCOM SYSTEM OPS CHECK GOOD IAW AMM 23-15-00.

Part: SATCOM — LOCKED · airframe 30,570 hrs · 9,328 cycles

SATCOM LOCKOUT. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM OPS RESTORED NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN PRESSURE) · airframe 30,491 hrs · 9,310 cycles

UPON ESTABLISHING AIRCRAFT ON APU AIR THE AUTOFAIL LIGHT AND ALTN LIGHTS ILLUMINATED. ACFT GROUNDED. VERIFIED FAULT. CYCLED PANEL CONTROL SWITCH FROM AUTO TO MAN & BACK TO AUTO, ALL LIGHTS OFF. ACCOMPLISHED A DCPC BITE. FOUND FAULT 001 (COMMUNICATION FAULT) ON NR 2 CONTROLLER. GROUND TEST PASSED, NO FAULTS. DCPC BITE ON CONT NR 1, NO FAULTS. GROUND TEST PASSED, NO FAULTS. IAW FIM 21-31 TASK 801 GROUND VERIFICATION PASSED, THIS FAULT WAS INTERMITTENT IAW FIM 21-31 TASK 807.

Part: WARNING FLAG — ACTIVATED (DISPLAY) · airframe 30,288 hrs · 9,256 cycles

DURING PREFLIGHT FO'S FD FLAG APPEARED ON PFD. ACFT GROUNDED. FD FLAG NOT PRESENT, MESSAGE 22-11317, WITH NO OTHER REOCCURRENCE IN ALL OF DFCS FLT HISTORY. ACCOMPLISHED DFCS LRU INTERFACE TEST FOR FCC BG 35, TEST PASSED.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 30,062 hrs · 9,197 cycles

DURING EMERGENCY LIGHTS TEST, FOUND THE RT AFT EMERGENCY POWER SUPPLY INOPERATIVE. ACFT GROUNDED. REMOVED AND REPLACED THE POWER SUPPLY IAW AMM 33-51-06/201. OPS CHECK GOOD. OK FOR SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 30,016 hrs · 9,179 cycles

AFTER ENGINE START, AMBER ELECT LIGHT ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED BITE PROCEDURES ON P5-13 MODULE. PUSHED MAINT SWITCH, CLEARED FAULTS LIGHT, FAULT LIGHT STAYED EXTINGUISHED. FAULTS ORIGINALLY LISTED WERE AUX BAT CHARGER INOPERATIVE, SPCU INOPERATIVE, AND STAT INVERT INOPERATIVE. FOUND TO BE A INTERMITTENT FAULT. GROUND VERIFICATION SUCCESSFUL, IAW FIM 24-31 TASK 801.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS) · airframe 29,945 hrs · 9,147 cycles

R2 DOOR EMERGENCY EXIT LIGHTS INOPERATIVE. ACFT GROUNDED. R & R THE BATTERY PACK IAW AMM 33-51-06. PERFORMED EMERGENCY LIGHT OPS CHECK . SYS CHECKED NORMAL IAW WD 33-51-14.

Part: SATCOM — LOCKED · airframe 29,861 hrs · 9,119 cycles

SATCOM LOCKUP ON POWER TRANSFER. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.

Part: INDICATOR — FAILED (FUEL QTY) · airframe 29,746 hrs · 9,080 cycles

INOPERATIVE WING FUELING CENTER TANK GAUGE. ACFT GROUNDED. REMOVED & REPLACED THE FUEL QTY INDICATOR AMM 28-41-21. OPS CHECKED GOOD.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 29,633 hrs · 9,036 cycles

EMERGENCY LIGHTS WILL NOT ILLUMINATE FROM RT ROW 27 TO AFT BOTH INSIDE AND OUTSIDE. ACFT GROUNDED. R & R BATTERY PACK M1672, REF AMM 33-51-06. OPS CHECKED NORMAL.

Part: FMC — MALFUNCTIONED · airframe 29,603 hrs · 9,024 cycles

BOTH CDU'S BLANKED OUT SHORTLY AFTER LANDING. FMC DATA TOOK A COUPLE MINUTES TO REBOOT. NO CHANGE IN POWER SOURCE CAUSED THIS DISRUPTION. ACFT GROUNDED. PERFORMED OPERATIONAL TEST OF FMC IAW AMM 34-61-00. OPS GOOD.

Part: FUEL HEATER — LEAKING (NR 1 ENGINE) · airframe 29,556 hrs · 9,010 cycles

SERVO FUEL HEATER LEAKING NR 1 ENGINE. ACFT GROUNDED. REMOVED AND REPLACED NR 1 ENGINE SERVO FUEL HEATER, IAW AMM 73-11-07. OPS & IDLE LEAK CHECKED GOOD. NO LEAKS NOTED.

Part: EXCHANGER — LEAKING (FUEL/OIL) · airframe 29,556 hrs · 9,010 cycles

NR 1 ENGINE, FUEL DRIP AT LOWER COWLS. ACFT GROUNDED. REMOVED AND INSTALLED SERVICEABLE MAIN OIL/FUEL HEAT EXCHANGER, IAW AMM 79-71-02-400-801-F00 AND 79-21-02-000-801-F00. NO LEAKS NOTED IAW TEST 3A OF AMM 71-00-00-700-801-F00 AND TEST 12, AMM 71-00-00-700-807-F00.

Part: ACTUATOR — LEAKING (NR 1 ENGINE) · airframe 29,556 hrs · 9,010 cycles

DURING LEAK CHECK, FOUND NR 1 ENGINE LEFT VBV ACTUATOR LEAKING 12 DROPS PER MINUTE. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE LT VBV ACTUATOR IAW AMM 75-32-02-000-801-F00 AND 75-32-02-400-801-F00. NO LEAKS NOTED.

Part: INDICATOR — FAILED (APU) · airframe 29,541 hrs · 9,007 cycles

APU DPI BUTTON FOUND EXTENDED DURING PDC. ACFT GROUNDED. ACCOMPLISHED OIL FILTER INDICATOR SERVICE AND CHECK, IAW AMM 49-91-13-600-801. FILTER CHECKED CLEAN AND REPLACED, IAW 49-91-12. OIL FILTER INDICATOR WOULD NOT RESET. REPLACED INDICATOR AND RESET, IAW AMM 49-91-13. LEAK CHECK OK, IAW AMM 49-91-13.

Part: UNKNOWN — MALFUNCTIONED (SATCOM) · airframe 29,448 hrs · 8,982 cycles

SAT PROMPT WENT AWAY. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURE IAW QRH. SATCOM OPS RESTORED NORMAL.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 29,409 hrs · 8,969 cycles

EMERGENCY LIGHT OVERDOOR EXIT SIGN AT R2 DOOR, ESCAPE SLIDE LIGHT ON FUSELAGE EXTERIOR AT R-2 DOOR, EXIT LOCATOR SIGN AT R-2 DOOR, AISLE LIGHTS AT ROWS 27 AND 29 RIGHT, AND EMERGENCY LIGHT CEILING LIGHT IN AFT CABIN CEILING ARE INOPERATIVE. ACFT GROUNDED. IAW WDM 33-51-14-4 - REMOVED, REPLACED, AND TESTED EMERGENCY LIGHT BATTERY PACK IN M1672 POWER SUPPLY IAW AMM 33-51-06-960-805 - OPS NORMAL.

Part: LAMP — FAILED (EMERGENCY LIGHT) · airframe 29,409 hrs · 8,969 cycles

EMERGENCY LIGHT INOPERATIVE AT ROW 6 LEFT. ACFT GROUNDED. REPLACED THE LAMP AND TESTED IAW AMM 33-51-03-960-801, OPS NORMAL.

Part: SATCOM — LOCKED · airframe 29,088 hrs · 8,880 cycles

SATCOM LOCKUP. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURE IAW QRH. SATCOM OPS RESTORED NORMAL.

Part: CONTROL VALVE — FAILED (RT A/C PACK) · airframe 28,973 hrs · 8,850 cycles

RIGHT PACK LIGHT ILLUMINATED AFTER PUSHBACK, EXTINGUISHED WHEN MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED BITE TEST OF LT AND RT PACK/ZONE CONTROLLERS. FOUND RT TCV FAULTED. REMOVED & REPLACED THE RT TEMPERATURE CONTROL VALVE IAW AMM 21-51-10-401. OPS CHECKED GOOD. NO FAULTS.

Part: SIGN — BROKEN (CABIN) · airframe 28,785 hrs · 8,799 cycles

EMERGENCY LIGHT EXIT LOCATOR SIGN AT R-1 DOOR IS BROKEN AND LENS IS MISSING. ACFT GROUNDED. REF WDM 33-51-21 REMOVED, REPLACED, AND TESTED L1186 EXIT LOCATOR SIGN AND LENS IAW AMM 33-51-01-960-802. OPS NORMAL.

Part: CONTROL VALVE — MALFUNCTIONED (RT A/C PACK) · airframe 28,684 hrs · 8,766 cycles

RIGHT PACK LIGHT ILLUMINATES WITH RECALL. PACK LIGHT EXTINGUISHES ON MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED FIM 21-62, TASK 801. FOUND CURRENT STATUS AND PREVIOUS FLIGHT FAULTS TCV ON THE NR 2 PACK/ZONE TEMP CONTROLLER. BOTH PACK/ZONE TEMP CONTROLLERS PASS THE VERIFY TEST. RESET THE TCV FAULT ON THE NR 2 PACK/ZONE TEMP CONTROLLER.

Part: BULB — FAILED (EMERGENCY LIGHT) · airframe 28,452 hrs · 8,703 cycles

LEFT FORWARD EXTERIOR OVERWING EMERGENCY EXIT LIGHT INOPERATIVE. ACFT GROUNDED. RELAMPED LT FWD OVERWING EXIT LIGHT, REF AMM 33-51-04. OPS CHECK GOOD.

Part: PROBE — FAILED (FUEL COMPENSATOR) · airframe 28,369 hrs · 8,676 cycles

WHILE ACCOMPLISHING TASK CARD 800-28EA-16443-1, FOUND THE NR 2 TANK COMP PROBE, NR 1 TU, NR 2 TU, AND NR 9 TU OUT OF LIMITS IAW AMM 28-41-21-710-801. ACFT GROUNDED. REPLACED THE NR 1 TANK COMPENSATOR PROBE IAW AMM 28-41-21/401. THE NEW NR 1 TANK COMPARTMENT PROBE OPS-CHECK GOOD IAW AMM 28-41-00-730-801. REPLACED THE NR 2 TANK COMP PROBE IAW AMM 28-41-21/401. REPLACED THE NR 1 TU PROBE IAW AMM 28-41-21/401. REPLACED THE NR 2 TANK, NR 2 TU PROBE IAW AMM 28-41-21/401. REPLACED THE NR 2 TANK, NR 9 TU PROBE IAW AMM 28-41-21/401. REINSTALLED ACCESS PANELS 632AB, 632BB, AND 632KB PIAW AMM 28-11-11-400-801. LEAK CHECKS GOOD. THE NEW COMP AND TANK PROBES OP-CHECK GOOD IAW AMM 28-41-00-730-801.

Part: PROBE — FAILED (FUEL COMPENSATOR) · airframe 28,369 hrs · 8,676 cycles

WHILE ACCOMPLISHING TASK CARD 800-28EA-16443-1, FOUND NR 1 TANK COMPENSATOR OUT OF LIMITS IAW AMM 28-41-21-710-801. READ 61 PICOFARADS, LIMIT 58.7. ACFT GROUNDED. REPLACED THE NR 1 TANK COMPENSATOR PROBE IAW AMM 28-41-21/401. THE NEW NR 1 TANK COMP PROBE OP-CHECKS GOOD IAW AMM 28-41-00-730-801.

Part: CONTROL UNIT — FAILED (E/E BAY) · airframe 27,960 hrs · 8,566 cycles

FORWARD CABIN ZONE TEMP ILLUMINATED ON PUSH BACK RESETS WITH MASTER CAUTION RESET. ACFT GROUNDED. ACFT CHECKED. PERFORMED ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-61-00. NR 2 CONTROLLER SHOWS FAULT ON ZONE TRIM VALVE. FAULT CLEARS AFTER VERIFY AND FLT DECK CABIN ZONE TEMP LIGHT REMAINS EXTINGUISHED ON RECALL. R & R AND TESTED NR 2 AIR CONDITIONING ACCESSORY UNIT M1455 IAW AMM 21-51-02-000-801/21-51-02-400-801. ALL TESTS PASS. PACK ZONE TEMP CONTROLLER BITE IAW AMM 21-61-00-700-806-002. SHOWS NO FAULTS.

Part: FILTER — DIRTY (TEMP SENSOR) · airframe 27,917 hrs · 8,558 cycles

HAD ZONE TEMP LIGHT FOR CONTROL CABIN AND FWD CABIN ON RECALL. RESETS WITH MASTER CAUTION. ACFT GROUNDED. PERFORMED CABIN TEMP CONTROLLER BITE TEST ON BOTH RT AND LT BITE BOXES, REF FIM 21-61, TASK 801. FOUND ALL CABIN TEMP SENSOR FILTERS DIRTY. R & R FLIGHT COMPARTMENT, FWD AND AFT PASSENGER COMPARTMENT TEMP SENSOR FILTERS, REF AMM 21-61-06.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 27,685 hrs · 8,495 cycles

FWD CABIN ZONE TEMP LIGHT CAME ON DURING PUSHBACK. MASTER CAUTION RECALL RAN QRH, LIGHT WENT OUT. ACFT GROUNDED.

Part: FAN — DAMAGED (NR 2 ENGINE) · airframe 27,589 hrs · 8,465 cycles

AFTER T/O, NR 2 ENGINE HAD A MOMENTARY EGT EXCEEDENCE. ACFT GROUNDED. EGT PEAKED AT 960 FOR 6-05 SECONDS. PERFORMED A GVI OF NR 2 ENGINE. NO FAULTS NOTED. ACCOMPLISHED FIM 71-06, TASK 805, EGT PEAK TEMP FALLS WITHIN TABLE A. CREATED A PLT DEFERRAL FOR NR 2 ENGINE EGT EXCEEDANCE. DAMAGED NR 2 ENGINE FAN HUB BEYOND SERVICEABLE LIMITS, REPLACED NR 2 ENGINE.

Part: PROBE — FAILED (NR 2 ENGINE) · airframe 27,573 hrs · 8,459 cycles

TREND DATA SHOWS A INCREASE IN DELTA EGT AND DECREASE IN EGT HOT DAY MARGIN ON NR 2 ENGINE. ACFT GROUNDED. R & R NR 2 ENGINE T495S2 PROBE IAW AMM 77-21-01/401. NR 2 ENGINE ELECTRONIC ENGINE CONTROL BITE TESTED NORMAL WITHOUT FAULTS. T49.5 PROBE'S INPUT READINGS ARE NORMAL WHILE ENGINE AT IDLE.

Part: ENGINE — FAULTED (NR 2) · airframe 27,432 hrs · 8,427 cycles

WHILE ACCOMPLISHING T/C 78273000 NR 2 ENGINE MAINT FAULT 77-10852, BOTTOM RT EGT SIGNAL T495S2 IS OUT OF RANGE, ECONOMIC FAULT. ACFT GROUNDED, ON DEFERRAL.

Part: SHIM — WORN (ENGINE FAN) · airframe 27,306 hrs · 8,396 cycles

DURING ACCOMPLISHMENT T/C 78472002 FAN BLADE LUBRICATION FOUND FAN BLADE SHIMS WORN TO LIMITS AT ENGINE NR 1. ACFT GROUNDED. R & R FAN BLADE SHIMS AT ENG NR 1, 24 EA IAW T/C 78472002.

Part: SATCOM — MALFUNCTIONED · airframe 27,221 hrs · 8,374 cycles

FOLLOWING POWER TRANSFER, SAT NOT AVAILABLE ON ACARS MENU. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL. ACCOMPLISHED VOICE TEST, TEST PASS REF AMM 23-15-00-730-801.

Part: SATCOM — MALFUNCTIONED · airframe 27,210 hrs · 8,372 cycles

MISSING SAT SELECTION ON THE MCDU MENU PAGE AND NO SATCOM PAGES AVAILABLE. ACFT GROUNDED. ACCOMPLISHED QRH SATCOM LOCKUP PROCEDURE ALL NORMAL SAT SELECTION AND SATCOM PAGES AVAILABLE, NORMAL OPS.

Part: SATCOM — LOCKED · airframe 27,026 hrs · 8,328 cycles

SATCOM LOCKUP, ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.

Part: VALVE — MALFUNCTIONED (CABIN TEMP) · airframe 26,716 hrs · 8,246 cycles

FOWARD CABIN ZONE TEMP LIGHT COMES ON WHEN RECALL IS PUSHED. IT GOES OUT WITH RESET. ACFT GROUNDED. R & R FWD CABIN ZONE TRIM MODULATING VALVE IAW AMM 21-61-21-000-801 AND AMM 21-61-21-400-801. GROUND FUNCTIONAL CHECK GOOD IAW AMM 21-61-00.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 26,655 hrs · 8,232 cycles

FWD CABIN-ZONE TEMP AMBER LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. NR 2 ZONE TEMP CONTROLLER LOGGED TRIM VALVE ZONE TEMP. RESET FAULT, PERFORMED BITE CHECK, OPS TEST NORMAL AMM 21-61-00.

Part: LENS — MISSING (EMERGENCY LIGHT) · airframe 26,550 hrs · 8,202 cycles

EMERGENCY LIGHT EXIT LOCATOR SIGN LENS MISSING AT R-1 DOOR. ACFT GROUNDED. REPLACED LENS AND TESTED LIGHT ASSY IAW AMM 33-51-01-960-801. OPS NORMAL.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 26,330 hrs · 8,145 cycles

AFTER ENGINE START, WE GOT A FMC DISAGREE MESSAGE. ACFT GROUNDED. ACCOMPLISHED QRH RESET PROCEDURE. NORMAL OPS RESTORED.

Part: CONTROL VALVE — FAILED (LT A/C PACK) · airframe 26,215 hrs · 8,109 cycles

LEFT PACK LIGHT ILLUMINATED ON RECALL. EXTINGUISHES WITH MASTER CAUTION. ACFT GROUNDED. PERFORMED BITE TASK 21-62-801. NR 1 TEMP CONTROLLER FAULTED TCV. R & R TCV REF MM 21-51-10. OPS CK/ LEAK CK GOOD. PACK LIGHT DOES NOT ILLUMINATE ON RECALL.

Part: CONTROL VALVE — MALFUNCTIONED (LT A/C PACK) · airframe 26,170 hrs · 8,099 cycles

AFTER LANDING, LT PACK LIGHT CAME ON, WENT OUT PRESSING MASTER RECALL. ACFT GROUNDED. BITE CHECKS LT PACK TEMP CONTROLLER IAW FIM 21-62, TASK 801. THIS PACK TCV FAULT DISPLAYED, RESET FAULT. RAN LT PACK, OPS CHECK GOOD ON GROUND. RECALL CK CLEAR.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 26,008 hrs · 8,050 cycles

ON RECALL FWD CABIN ZONE TEMP LIGHT ON EXTINGUISHES WITH MASTER CAUTION RESET. ACFT GROUNDED. RIGHT PACK ZONE CONTROLLER LOG FAULT. RESET FAULT, PERFORMED BITE CHECK. BITE CHECK NORMAL, REF AMM 21-61-00.

Part: CONTROLLER — MALFUNCTIONED (CABIN PRESSURE) · airframe 25,999 hrs · 8,048 cycles

AUTO-FAIL LIGHT AND ALTN LIGHT ILLUMINATED ON PRESSURIZATION PANEL. ACFT GROUNDED. RESET SYS-SELECTING MANUAL MODE THEN BACK TO AUTO. PRESSURE CONTROLLERS SHOW NO CURRENT FAULTS AND GROUND TEST NORMAL IAW FIM 21-31, TASK 801. GROUND VERIFICATION SUCCESSFUL.

Part: CONTROL UNIT — FAILED (BATTERY) · airframe 25,803 hrs · 7,981 cycles

MAIN BATTERY SHOWS 1 AMP TO 2 AMP CHARGE THROUGHOUT FLIGHT -27 VOLTS. ACFT GROUNDED. R & R MAIN BATTERY AND AUX BATTERY, REF MM 24-31-11. OPS CHECK FAIL- ONCE CHARGED MAIN BATTERY VOLTS DROPPED TO 26V AND NEG 2 AMP DISCHARGE, THEN RETURNED TO 31V AND 2A CHARGE, REF WDM 24-31-11. INSPECTED GROUND GD3252-DC, D10328, CONNECTOR D44, GROUND IS GOOD, RESISTANCE CHECKS GOOD. VISUALLY INSPECTED J9 AREA C/B'S : C1212, C1340, C142, C1341. NO DEFECTS NOTED. AS A PRECAUTION REPLACED P5-13 ELECTRIC METER, BATTERY AND GALLEY POWER MODULE. REF AMM 24-21-53-401. REPLACED SPCU REF AMM 24-34-11. OPS TEST NORMAL. NO DEFECTS NOTED. GROUND VERIFICATION SUCCESSFUL.

Part: HANDLE — FAULTED (FIRE) · airframe 25,760 hrs · 7,970 cycles

DURING PREFLIGHT TEST OF ENGINE FIRE DETECTION SYS, ENGINE NR 2 FIRE HANDLE DOES NOT ILLUMINATE. ACFT GROUNDED.

Part: LIGHT — MALFUNCTIONED (SWITCH) · airframe 25,752 hrs · 7,966 cycles

DURING FIRE TEST, NR 2 ENGINE FIRE SWITCH DOES NOT LIGHT. ENGINE 2 OVERHEAT DOES NOT LIGHT. ACFT GROUNDED. PERFORMED T/S IAW FIM 26-10, TASK 803. PERFORMED ENGINE/APU FIRE DETECTION CONTROL MODULE BITE IAW FIM 26-10, TASK 801, NO FAULTS. CURRENTLY NR 2 ENGINE FIRE SWITCH AND OVERHEAT LIGHT TEST CORRECTLY. NO HISTORY LAST 30 DAYS.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 25,494 hrs · 7,884 cycles

FWD CAB ZONE TEMP LIGHT ILLUMINATES ON RECALL AND EXTINGUISHES WITH RESET. ACFT GROUNDED. NR 2 PACK TEMP CONTROLLER LOGGED FWD CAB TRIM AIR FAULT, PERFORMED FIM 21-62, TASK 834 & FAULT CLEARED. PERFORMED PACK TEMP CONTROLLER BITE CK, FIM 21-62, TASK 801 & BITE CK PASSED. GROUND FUNCTIONAL CK GOOD. OK FOR ETOPS SERVICE.

Part: WARNING LIGHT — ILLUMINATED (APU) · airframe 25,443 hrs · 7,863 cycles

AFTER APU START THE MAINT LIGHT ILLUMINATED. ACFT GROUNDED. ON DEFERRAL.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 25,354 hrs · 7,837 cycles

FMC DISAGREE, ACFT GROUNDED. FOLLOWED QRH, DUAL OPS RESTORED.

Part: AUTOTHROTTLE SYS — MALFUNCTIONED · airframe 25,266 hrs · 7,810 cycles

AUTOTHROTTLE CHECK ON TAXI WAS GOOD. RAN ENGINE TO 40 PERCENT, HIT TOGA AND AUTOTHROTTLE DISCONNECTED. REPEATED WITH SAME RESULT. ACFT GROUNDED. NO FAULTS LOGGED IN FAULT HISTORY. A/T CURRENT STATUS TEST PASSED REF MM 22-31-00. NO HISTORY PAST 30 DAYS.

Part: MODULATING VALVE — MALFUNCTIONED (A/C BAY) · airframe 25,184 hrs · 7,785 cycles

FWD CABIN ZONE TEMP LIGHT ILLUMINATED WITH RECALL, EXTINGUISHES WITH MASTER CAUTION RESET. ACFT GROUNDED. REPLACED THE FWD CABIN ZONE TRIM AIR MODULATING VALVE IAW AMM 21-61-21-00-801 AND AMM 21-61-21-400-801. BITE CHECK OF THE PACK/ZONE TEMPERATURE CONTROLLERS PASSES WITHOUT FAULTS. THE NEW VALVE LEAK CHECKED GOOD.

Part: FMC — MALFUNCTIONED (COCKPIT) · airframe 24,922 hrs · 7,702 cycles

NO TEMP INPUT FOR FMC FROM PITOT PROBE SYS. NO T/O DATA AVAILABLE. ACFT GROUNDED. OPENED BOTH FMC C/B'S AND RESET. SIMULTANEOUS MAINTENANCE CDS BITE TEST, NO FAULTS FOUND. REFAMM FIM TASK 31-62 TASK 801. TAT PROBE OPS CHECKED, NO FAULTS FOUND, REF TASK 34-21-06-400-801 (H). CREW MANUALLY INPUT FMC DATA. ALL SYSTEMS RESTORED AT THIS TIME. OK FOR CONTINUED SERVICE.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 24,855 hrs · 7,672 cycles

ON APPROXIMATELY AT APPROXIMATELY 5000' AGL AND AFTER SELECTING FLAPS TO 5 DEGREES, BOTH ND'S SHOWED "FMC DISAGREE" WITH A CDU MESSAGE INDICATING THE SAME. AFTER APPROXIMATELY 30 SECS BOTH MESSAGES WENT AWAY. NO QRH PROCEDURE WAS FOLLOWED. ACFT GROUNDED. ACCOMPLISHED FMCS OPS TEST, OPS TEST NORMAL IAW AMM 34-61-00. NO MSG DISPLAYED, NO 90 DAY HISTORY.

Part: WARNING LIGHT — NO TEST · airframe 24,808 hrs · 7,656 cycles

DURING PREFLIGHT "ENG 2 OVERHEAT" & NR 2 FIRE HANDLE FAILED TO ILLUMINATE DURING OVHT, FIRE TEST. CHECKED LIGHTS & WORKED. ACFT GROUNDED.

Part: FAULT CODE — ACTIVATED (NR 1 ENGINE) · airframe 24,629 hrs · 27,362 cycles

FOUND NR 1 ENGINE WITH A LONG TERM FAULT MESSAGE, 79-31121, OIL FILTER SIGNAL DISAGREE. ACFT GROUNDED. ACCOMPLISHED T/C. NO FAULTS DETECTED. PLT CLEARED.

Part: WARNING LIGHT — ILLUMINATED (NR 1 ENGINE OIL) · airframe 24,624 hrs · 7,597 cycles

AFTER LANDING, OIL FILTER BYPASS LIGHT ILLUMINATED ON NR 1 ENGINE ALL OTHER INDICATIONS NORMAL. ACFT GROUNDED. PARTIALLY REMOVED NR 1 OIL SCAVENGE FILTER BOWL, DURING REMOVAL BOWL THREADS SEIZED ON HOUSING, REF MM 79-21-06. COMPLETED REMOVAL OF NR 1 ENG OIL SCAVENGE FILTER ASSY AND INSTALLED REF AMM TASK 79-21-04. INSTALLED DIFFERENTIAL PRESSURE SWITCH CLOGGING TRANSMITTER TASK 79-21-07 AND NEW FILTER ASSY IN BOWL. PERFORMED LEAK CHECK, NO LEAKS NOTED. EMCS CDU BITE NO FAULTS IAW AMM 79-21, TASK 806 & TABLE 71-00-00, NO BY PASS LIGHT NOTED NR 1 ENGINE.

Part: CONTROL VALVE — MALFUNCTIONED (A/C BAY) · airframe 24,599 hrs · 7,585 cycles

FWD CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL, EXT ON MAST CAUTION RESET. ACFT GROUNDED. VERIFIED ZONE TRIM FAULT ON THE NR 2 ZONE TEMP CONTROLLER. REPLACED THE FORWARD CABIN ZONE TRIM MODULATING VALVE IAW AMM'S 21-61-21-000-801 AND 21-61-21-400-801. VALVE OP CHECKED GOOD.

Part: REGULATOR — FAILED (NR 2 BLEED) · airframe 24,594 hrs · 7,584 cycles

AFTER NR 2 ENGINE START, TURNED ON RT PACK & AIR CONDITIONER BLEED AIR VALVE RT CIRCUIT BREAKER OPENED. ACFT GROUNDED. REPLACED NR 2 ENGINE BLEED AIR REGULATOR REF AMM 36-11-03-400-801. OPS AND LEAK CHECKED GOOD.

Part: VALVE — FAILED (NR 2 ENGINE) · airframe 24,589 hrs · 7,583 cycles

RIGHT DUCT PRESSURE READS 5 PSI IN FLIGHT GROUNDED. RETURNED TO DEPARTURE. DIVERSION TIME - 38 MINUTES. PERFORMED ENGINE BLEED HEALTH CHECK REF. T/C NG-36WC-00001 IAW STEP .04, HIGH STAGE VALVE FAILED WRENCH CHECK. REPLACED NR 2 ENGINE HIGH STAGE VALVE IAW AMM 36-11-06-000-801 AND 36-11-06-400-801. LEAK CHECK GOOD. PERFORMED ENGINE BLEED AIR CROSSOVER OPS TEST REF AMM 36-11-00-710-801. OPS CHECKED GOOD.

Part: FIRE LOOP — NO TEST (NR 2 NACELLE) · airframe 24,536 hrs · 7,568 cycles

DURING PREFLIGHT, NR 2 ENGINE LOOP "A" TESTS BAD. "B" TESTS NORMAL. ACFT GROUNDED. COULD NOT DUPLICATE PROBLEM. NR 2 ENGINE FIRE DET TEST, OPS NORMAL W/ SELECTOR SWITCH IN A, B, AND BOTH POSITION, SEVERAL SUCCESSFUL TESTS IN EACH POSITION. NO HISTORY LAST 90 DAYS. ETOPS SIGNIF SYS, GROUND VERIFICATION SUCCESSFUL.

Part: PAINT — MISSING (ENGINE SPINNER) · airframe 24,519 hrs · 7,563 cycles

NR 2 ENGINE SPINNER MISSING PAINT. ACFT GROUNDED.

Part: CONTROLLER — MALFUNCTIONED (CABIN TEMP) · airframe 24,489 hrs · 7,555 cycles

ZONE TEMP FWD CABIN ILLUMINATED ON MASTER CAUTION RECALL. ACFT GROUNDED. BITE OF NR 2 CONTROLLER SHOWS ZONE FAULT LAST LEG. RESET FAULT & RAN BITE REF TASK 21-61-20. OPS CHECK NORMAL.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 24,494 hrs · 7,557 cycles

FMC DISAGREE ON THE GROUND. ACFT GROUNDED. QRH CHECKLIST COMPLETED. OPS NORMAL.

Part: VALVE — MALFUNCTIONED (A/C BAY) · airframe 24,403 hrs · 7,524 cycles

ON RECALL, GOT FWD CAB ZONE TEMP LIGHT. EXTINGUISHES WITH MASTER CAUTION RESET. TEMPS NORMAL. ACFT GROUNDED. PERFORMED ZONE TEMP CONTROLLER BITE ON BOTH CONTROLLERS IAW FIM 21-62, TASK 801, FOUND NR 2 CONTROLLER ZONE TRIM VALVE FAULT. REPLACED FWD CAB ZONE TRIM VALVE IAW AMM 21-62-01.

Part: RELAY — MALFUNCTIONED (FUEL PUMP) · airframe 24,348 hrs · 7,505 cycles

RIGHT FWD FUEL PUMP "LOW PRESSURE" LIGHT ILLUMINATED IN CRUISE FLIGHT. RIGHT WING TANK WAS FULL. COMPLIED WITH QRH AND TURNED PUMP OFF. ACFT GROUNDED. FOUND GFI RELAY, R21, TRIPPED. RESET RELAY. PERFORMED GROUND FAULT INTERRUPTER OPS TEST REF MM 28-22-41-720-802. OPS CK GOOD IAW THE SAME.

Part: INTERCOSTAL — CRACKED (BS 344-360) · airframe 24,339 hrs · 7,502 cycles

MAIN CABIN FLOOR, INTERCOSTAL CRACKED AT AFT HOLES, BS 344-360, LBL 11. ACFT GROUNDED. R & R INTERCOSTAL IAW DWG 141A5410, REV C, BS 344-360, LBL11 AND REMOVED INTERCOSTAL, TO FOM AND REINSTALLED BS 344-360, BL-0 IAW BAC DWG 141A5410.

Part: FLOORBEAM — CRACKED (BS 540) · airframe 24,339 hrs · 7,502 cycles

MAIN CABIN PANEL BREAK IS CRACKED, FS 540, BL 0 TO LBL 24. ACFT GROUNDED. R & R PANEL BREAK IAW SRM 51-40-02. REMOVED DOT K448.

Part: INTERCOSTAL — CRACKED (BS 344-360) · airframe 24,339 hrs · 7,502 cycles

MAIN CABIN INTERCOSTAL FS 344-360 BL0 IS CRACKED AT FASTENER HOLE. ACFT GROUNDED. REMOVED CRACKED INTERCOSTAL IAW SRM 51-40-02. LOCATED AND DRILLED NEW INTERCOSTAL IAW DWG 141A5410, REV. B. INSTALLED NEW INTERCOSTAL IAW DWG 141A5410, REV B.

Part: FLOORBEAM — CRACKED (BS 540) · airframe 24,339 hrs · 7,502 cycles

MAIN CABIN PANEL BREAK IS CRACKED, FS 540, BL 0 TO RBL 24. ACFT GROUNDED. R & R PANEL BREAK IAW SRM 51-40-02. REMOVED IAW DOT K449.

Part: SKIN — GOUGED (BS 1217) · airframe 24,339 hrs · 7,502 cycles

RIGHT ELEVATOR OTBD LOWER SKIN SCRAPED AND DENTED. ACFT GROUNDED. REPAIR RT ELEVATOR LOWER SKIN AT STA 218.5 TO 219.5 BY SEPARATING ELEVATOR SKINS TO STA 178-16, REMOVING DAMAGED SKIN SECTION AND APPLYING CARBON REPAIR IAW SRM 55-20-01 AND 51-70-05, REASSEMBLED ELEVATOR SKINS IAW SRM 51-40-02 AND DWG 183A3010, ACCOMPLISHED ELEVATOR ASSY STATIC BALANCE IAW SRM 51-61-04, MOMENT WITHIN LIMITS, NO ADJUSTMENT REQUIRED, RECORDED NEW ELEVATOR BALANCE MOMENT IAW SRM 51-61-04-0G-0 .

Part: CLEVIS — BENT (L2 DOOR) · airframe 24,339 hrs · 7,502 cycles

L 2 DOOR EMERGENCY ESCAPE SLIDE LATCH BLOCK ASSEMBLY CLEVIS IS BENT. ACFT GROUNDED. REPLACED CLEVIS, REF SRM 51-40-02 AND PERFORMED FORCE CHECK REF AMM 25-66-01. FORCE CHECK WITHIN LIMITS. DOT REMOVED. TOOL ATTACHED.

Part: BLOCK — BENT (R2 DOOR) · airframe 24,339 hrs · 7,502 cycles

R2 DOOR EMERGENCY ESCAPE SLIDE LATCH BLOCK ASSEMBLY PIN IS BENT. ACFT GROUNDED. R & R ESCAPE SLIDE LATCH BLOCK ASSY REF AMM 25-66-01 AND SRM 51-40-02 AND DWG 69-70843, REV D OPS CHECK OK, TOOL T8359Y CALIBRATED, DUE DATE 07-18-15.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 24,330 hrs · 7,498 cycles

AFTER PUSHBACK FMC DISAGREE DISPLAYED. ACFT GROUNDED. ACCOMPLISHED QRH. OPS NORMAL.

Part: CONE — WORN (NR 1 ENGINE) · airframe 23,987 hrs · 7,408 cycles

REF T/C 78472000, NR 1 ENGINE FRONT SPINNER CONE BLACK ANODIZED COATING WORN 50 PERCENT OR GREATER. ACFT GROUNDED. R & R NR 1 ENGINE FRONT SPINNER CONE REF MM 72-21-01-400-801-F00.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 23,901 hrs · 7,386 cycles

AFTER PUSH BACK GOT "FMC DISAGREE" MESSAGE. ACFT GROUNDED. RAN ON GROUND CHECK LIST. MESSAGE DID NOT RETURN. REPROGRAMMED FMC. DEPARTED.

Part: ENGINE — MAKING METAL (NR 2) · airframe 23,863 hrs · 7,377 cycles

WHILE ACCOMPLISHING T/C 78472040, FOUND UNIDENTIFIABLE NON-MAGNETIC PARTICLES LARGER THAN .4" IN FWD SUMP SCAVENGE SCREEN MCD ON NR 2 ENGINE. MM 79-00-00-210-010, STEP 8 NEEDS TO BE ACCOMPLISHED. ACFT GROUNDED. ACCOMPLISHED STEP H8-10. NO ADDITIONAL NR 2 ENGINE FWD SUMP FINDINGS NOTED. SUBJECT DEBRIS SENT FOR LABORATORY ANALYSIS. ENGINE MAY CONTINUE IN SERVICE PENDING RESULTS REF MM 79-00-00-200-804-F00. CURRENTLY ON REDUCED INTERVAL INSPECTION.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 23,860 hrs · 7,376 cycles

"FMC DISAGREE" ILLUMINATED ON GROUND. ACFT GROUNDED. FOLLOWED QRH PROCEDURE, DID NOT REAPPEAR.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 23,829 hrs · 7,368 cycles

AFTER ENGINE START ZONE TEMP LIGHT ILLUMINATED FWD CAB. ACFT GROUNDED. PERFORMED BITE TEST OF NR 1 & NR 2 TEMP CONTROLLER, CLEARED FAULT- NO DEFECTS NOTED. ZONE TEMP LT EXTINGUISHED.

Part: WARNING MESSAGE — FALSE ACTIVATION (CABIN TEMP) · airframe 23,289 hrs · 7,208 cycles

ON RECALL, FORWARD CABIN ZONE TEMP ILLUMINATED. ACFT GROUNDED. NR 2 TEMP CONT LOGGED ZONE TRIM VALVE, BITE TEST GOOD, FAULT RESET.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 22,815 hrs · 7,067 cycles

FOUND THE EXTERIOR LIGHTS ON THE AFT LT AFT OVERWING EXIT, LT AFT WING TO BODY FAIRING, AND AFT LT SERVICE DOOR WENT OUT EARLY. ACFT GROUNDED. REPLACED EMERGENCY BATTERY PACKS REF WDM 33-51-13. OPS CK GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 22,803 hrs · 7,065 cycles

FMC DISAGREE ON GROUND. ACFT GROUNDED. QRH ACCOMPLISHED, NORMAL OPS RESTORED.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 22,744 hrs · 7,052 cycles

ON RECALL: FWD CABIN "ZONE TEMP" LIGHT ON, EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. TROUBLESHOT IAW FIM 21-62, TASK 834. APPEARS TO HAVE BEEN AN INTERMITTENT FAULT. VERIFICATION TEST NORMAL. CONTROLLER FAULT CLEARED. HAS NO OTHER RECENT HISTORY.

Part: TUBE — DISCONNECTED (RT A/C PACK) · airframe 22,388 hrs · 6,957 cycles

CLIMBING THROUGH 14000 MASTER CAUTION AND RT PACK LIGHT ILLUMINATED. QRH PROCEDURES FOLLOWED RESET ATTEMPTED BUT NOT SUCCESSFUL. DIVERTED FOR LANDING. ACFT GROUNDED. R & R RT PACK TEMP SENSOR IAW MM 21-51-52-400-801. ACCOMPLISHED PACK ZONE TEMP CONTROLLER BITE IAW MM 21-61-00-700-806-002. OPS CHECKED GOOD. WHILE OPERATING PACK NOTED LARGE AIR LEAK ABOVE HEAT EXCHANGERS. FOUND SENSE LINE JUST AFT OF THE PACK VALVE DISCONNECTED. SENSE LINE GOES FROM JUST AFT OF PACK AND SUPPLIES AIR TO THE TURBINE MUFF AT THE COLD AIR INLET. TIGHTENED LINE, LEAK CHECKED GOOD IAW MM 20-50-11, ACCOMPLISHED 800-21EA-13639, RT PACK TRIP TROUBLESHOOTING.

Part: A/C PACK — UNKNOWN (RIGHT) · airframe 22,386 hrs · 6,954 cycles

RIGHT PACK TRIPPED SHORTLY AFTER TAKEOFF. COMPLETED QRH COULD NOT RESET. ACFT GROUNDED. PERFORMED FIM 21-62 TASK 801. BITE CHECK ON BOTH PACK/ZONE TEMP CONTROLLERS. NO FAULTS FOUND. PERFORMED FIM 21-53 TASK 818 INSPECTED RAM AIR INLET AND FOUND NO BLOCKAGE. REPLACED NR 2 ACAU IN REF TO MM TASK 21-51-02-000-801 AND 21-51-02-400-801. ACAU TEST OK. REPLACED RT PACK TEMP CONTROL VALVE IN REF TO MM TASK 21-51-10-000-801 AND 21-51-10-400-801. OPS AND LEAK CHK OK. INSPECTED COMP DISC OVERHEAT CONNECTOR AND FOUND TO BE OK. OPERATED NR 2 ENG AT IDLE AND DUCT PRESS/RT PACK TEMP NORMAL. INSPECTED CONNECTORS AT ACM MACH OVERHEAT SW AND PACK DISCHARGE OVERHEAT SW. FOUND TO BE OK. RESOLUTION OF THE C/A IS DEFERRED FOR A NON REVENUE VERIFICATION FLT. VERIFICATION FLIGHT UNSATISFACTORY. PERFORMED FIM 21=53 TASK 828 RT PACK LIGHT ON DURING CLIMB NO DEFECTS NOTED. PERFORMED FIM 21-42, TASK 801 PACK ZONE TEMP CONTROLLER BITE ON LT AND RT CONTROLLERS. OPS CHECKED NORMAL. NO DEFECTS NOTED. INSPECTED AND OPS CHECK THE RT STBY TEMP CONTROL VALVE IAW MM 21-51-11. OPS CHECKED NORMAL. INSPECTED AND OPS CHECKED RAM AIR DOOR INLET AND OPS AMM 21-51-21. OPS CHK NORMAL, NO DEFECTS NOTED. INSPECTED RT HEAT EXCHANGER AND PLENUM FOR BLOCKAGE AND DEFECTS. NONE NOTED. REF MM 21-51-03. REPLACED RT ACM IAW AMM 21-51-04. REPLACED RT COMP DISCHARGE OVERHEAT SW IAW MM 21-51-40. REPLACED RT TURBINE INLET OVERHEAT SWITCH IAW AMM 21-51-41. R & R RT PACK DISCHARGE OVERHEAT SWITCH IAW MM 21-51-42. ALL

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 22,330 hrs · 6,926 cycles

FMC DISAGREE AFTER ENGINE START. ACFT GROUNDED. COMPLETED FMC DISAGREE CHECKLIST WITH FULL RESOLUTION OF FMC DISAGREE.

Part: FIRESHIELD — CRACKED (NR 2 ENGINE) · airframe 22,279 hrs · 6,911 cycles

NR 2 ENGINE AFT FLANGE, FIRE SHIELD, HAS NUMEROUS CRACKED BOLT HOLES. ACFT GROUNDED. REPLACED OIL INLET COVER, REF MM 72-56-00.

Part: A/C PACK — MALFUNCTIONED (RIGHT) · airframe 22,157 hrs · 6,865 cycles

RT PACK LIGHT ILLUMINATE AND WILL NOT EXTINGUISH. ACFT GROUNDED. REPLACED RT PACK COMPRESSOR DISCHARGE, TURBINE INLET, AND PACK DISCHARGE OVERHEAT SWITCHES. OPERATED PACKS BETWEEN FULL COLD AND FULL WARM NO PACK LIGHT. OPS NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (RT A/C PACK) · airframe 22,153 hrs · 6,863 cycles

RIGHT PACK LIGHT ON. COULD NOT RESET. ACFT GROUNDED. ACCOMPLISHED PACK ZONE TEMP. CONTINUE BITE, RT SIDE IAW FIM 21-62, TASK 801. NO FAULTS AND ACCOMPLISHED GROUND VERIFICATION IAW AMM 21-61-00. NO RT PACK LIGHT ON, NOTED. OPS CHECKED NORMAL.

Part: CONTROL VALVE — MALFUNCTIONED (RT A/C PACK) · airframe 22,136 hrs · 6,858 cycles

DURING CLIMBOUT THROUGH 18,000 FT, RT PACK LIGHT ILLUMINATED, RAN QRH, LIGHT RESET AND ILLUMINATED AGAIN. ACFT GROUNDED. PERFORMED RT PACK ZONE TEMP BITE VARIOUS TIMES IN VERIFY FOUND RT TEMP CONTROL VALVE FAULTED. REF FIM 21-62, TASK 801. REPLACED RT PACK TEMP CONTROL VALVE IAW AMM 21-50-10. BITE TEST SUCCESSFUL NO FAULTS FOUND. LEAK TEST GOOD.

Part: PLENUM — DIRTY (RT A/C PACK) · airframe 22,136 hrs · 6,858 cycles

RIGHT PACK LIGHT ILLUMINATED DURING CLIMBOUT PASSING 18,000FT. RESET OK. ACFT GROUNDED. ACCOMPLISHED PACK\ZONE TEMP CONTROLLER BITE PROCEDURE REF AMM 21-62, TASK 801. NO FAULTS SOUND. ACCOMPLISHED FIM 21-53-806, NO DEFECTS FOUND. ACCOMPLISHED RT HEAT EXCHANGER CLEANING REF T/C 78121000 OK FOR CONTINUED SERVICE.

Part: WARNING LIGHT — ILLUMINATED (RT A/C PACK) · airframe 21,894 hrs · 6,772 cycles

DURING CLIMB, APPROX 14000 FT, 5.6 PSI DIFFERENTAL PRESSURE, RIGHT PACK LIGHT ILLUMINATED. FOLLOWED QRH AND RESET PACK. PACK AGAIN TRIPPED APPROX 2 MINUTES LATER. ACFT GROUNDED. PERFORMED BITE CHECK IAW FIM 21-62-801 & FIM TASK 21-53-818. RIGHT PACK LIGHT ON DURING CLIMB. NO DEFECTS NOTED NO HISTORY 90 DAYS.

Part: CONTROL VALVE — MALFUNCTIONED (LT A/C PACK) · airframe 21,797 hrs · 6,745 cycles

LEFT PACK LIGHT ILLUMINATED DURING RECALL. ACFT GROUNDED. SYSTEM STILL HAS A HARD FAULT FOR NR 1 TCV. REPLACED NR 1 TCV IAW AMM 21-51-10-000-801 AND AMM 21-51-10-400-801, LEAK CHECK GOOD. OPS CHECK GOOD IAW AMM 21-61-00-700-806-002.

Part: HF COMM — MALFUNCTIONED (NR 1) · airframe 21,599 hrs · 6,683 cycles

HF 1 TRANSMITTED WELL BUT WAS UNREADABLE TO THE PILOTS. ACFT GROUNDED. ACCOMPLISHED NR 1 HF COMMUNICATION SYS TEST, IAW FIM 23-11, TASK 801 AND AMM TASK 23-11-00 VIA SFO, GROUND OPS TEST NORMAL. NO HISTORY LAST 60 DAYS.

Part: MODULE — FAILED (FUEL SYSTEM) · airframe 21,331 hrs · 6,596 cycles

RT CTR FUEL PUMP INOPERATIVE. ACFT GROUNDED. TSR ISSUED. ACCOMPLISHED TSR STEPS 1 THROUGH 4 - NO HELP. RT CTR PUMP LOW PRESSURE LIGHT INTERMITTENTLY ON WITH PUMP OPERATING. WHILE TRANSFERRING FUEL FROM CENTER TANK AFTER TSR, FOUND RT CENTER BOOST PUMP LOW PRESSURE LIGHT REMAINED ILLUMINATED WITH PUMP OPERATING. IAW WDM 28-43-11 WITH CONNECTOR D878 DISCONNECTED FROM S155 PRESSURE SWITCH, RT CTR LOW PRESSURE LIGHT REMAINED ILLUMINATED. REPLACED P5-2 FUEL SYS MODULE IAW MM 28-22-43-020-801, MM 28-22-43-420-801. PERFORMED TEST OF P5-2 MODULE IAW MM 28-22-43-710-801, FILTER BYPASS LIGHTS TEST (EEC TEST) IAW MM 73-21-00-700-804-F00, AND FUEL BOOST PUMP OPS TEST IAW MM 28-22-41-710-801, ALL TESTS PASS.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 21,239 hrs · 6,558 cycles

ON GROUND, AFTER FLAP SELECTION, RECEIVED AN FMC DISAGREE MESSAGE. ACFT GROUNDED. COMPLIED WITH QRH PROCEDURE. RESTORED NORMAL OPERATIONS.

Part: WARNING MESSAGE — ILLUMINATED (CENTER TANK) · airframe 21,022 hrs · 6,482 cycles

RIGHT CENTER TANK LOW PRESSURE LIGHT ILLUMINATED WITH 2300 ILS FUEL IN CENTER TANK. ACFT GROUNDED. REPLACED RT CENTER TANK FUEL BOOST PUMP IAW AMM 28-22-41-400-801. PERFORMED OPS TEST REF AMM 28-22-41-710-801. OPS CHECKED GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 21,005 hrs · 6,474 cycles

FMC DISAGREE LIGHT ILLUMINATED. ACFT GROUNDED. QRH FOLLOWED. SYSTEM RESTORED.

Part: REGULATOR — DEFECTIVE (NR 2 BLEED SYS) · airframe 20,985 hrs · 6,469 cycles

LEFT PNEUMATIC PRESSURE 20 PSI HIGHER THAN RIGHT PNEUMATIC PRESSURE ON CLIMB, LEFT 40 PSI, RIGHT 20 PSI. IN CRUISE, LEFT 40, RIGHT 25. ACFT GROUNDED. PERFORMED TROUBLESHOOTING ON THE NR 2 ENGINE PNEUMATIC SYSTEM IAW MG-36WC-00001 AND FIM TASK 36-10, TASK 805. FOUND THE BLEED AIR REGULATOR DEFECTIVE & THE PRECOOLER VALVE DEFECTIVE. REPLACED THE BLEED AIR REGULATOR IAW AMM 36-11-03-400-801. REPLACED THE PRE-COOLER CONTROL VALVE IAW AMM 36-12-02-400-801. PERFORMED THE REPAIR CONFIRMATION IAW FIM TASK 36-10, TASK 805, STEP H. NO DEFECTS NOTED. BOTH NEEDLES PAIRED AT 42 PSI.

Part: INDICATION SYS — MALFUNCTIONED (FUEL SYSTEM) · airframe 20,921 hrs · 6,449 cycles

RIGHT CENTER LOW PRESSURE LIGHT NEVER EXTINGUISHED DURING CLIMBOUT WITH 1500 LBS OF FUEL. ACFT GROUNDED. PERFORMED FIM, PLACED 14,000 LBS OF FUEL INTO CENTER TANK TO PRIME, NO HELP. CHECKED FOS, NO FAULT FOUND, IAW FIM 28-22, TASK 802. ACCOMPLISHED FIM 28-22, TASK 802. DETERMINED THERE WAS AN INTERMITTENT FAULT. ACCOMPLISHED REPAIR CONFIRMATION , RT CENTER FUEL TANK PRESSURE FEED OPS NORMAL.

Part: FMC — MALFUNCTIONED · airframe 20,709 hrs · 6,394 cycles

IN FLIGHT, EXPERIENCED "FMC DATALINK FULL" ANOMALY. ACFT GROUNDED. AFTER LANDING AT GATE ACCOMPLISHED QRH PROCEDURES IAW HANDBOOK BULLETIN. OPS HAS RETURNED TO NORMAL.

Part: EEC — MALFUNCTIONED (NR 1 ENGINE) · airframe 19,903 hrs · 6,176 cycles

FOUND FAULT 73-20771 "PS3 SIGNAL IS OUT OF RANGE" FOR NR 1 ENGINE. LONG TERM FAULT. ACFT GROUNDED. VERIFIED THAT FAULT CODE 73-20771 IS STILL PRESSENT. R & R THE NR 1 ENGINE EEC IAW AMM 73-21-60-400-801-F00. ACTUATORS TEST OK. ACCOMPLISHED FADEC SVS TEST, OPS NORMAL IAW MM 73-21-00-700-802-F00. RUN ENGINE AND VERIFIED THAT THERE ARE NO FAULT MESSAGES.

Part: CONTROL VALVE — MALFUNCTIONED (RT A/C PACK) · airframe 19,761 hrs · 6,131 cycles

DURING CLIMB OUT, RT PACK LIGHT ILLUMINATED. QRH PROCEDURE RAN. LIGHT REMAINED. ACFT GROUNDED. PERFORMED PACK/ZONE TEMP CONTROL BITE. FOUND RT PACK TCV FAULT. REPLACED RT PACK TCV REF: FIM TASK 21-62 TASK 831, MM 21-51-10. OPS CKD GOOD NO FAULTS, REF: MM 21-51-10. ACCOMPLISHED ALT DEACTIVATION PROCEDURES REF MPM CH5 TABLE 3 ITEM 1. REPLACED PRECAUTIONARILY THE NR 2 ACAU. ALL GROUND VERIFICATION TEST PASSED.

Part: VALVE — FAULTED (A/C BAY) · airframe 19,761 hrs · 6,131 cycles

WHILE PERFORMING BITE CHECK ON NR 1 ZONE TEMP CONTROLLER, FOUND AFT CABIN ZONE TEMP VALVE FAULTED. ACFT GROUNDED. REPLACED AFT CABIN ZONE TEMP VALVE, REF MM 21-61-21, OPS CHECK BITE CHECK GOOD. OK FOR SERVICE.

Part: CONTROL VALVE — FAULTED (A/C BAY) · airframe 19,697 hrs · 6,115 cycles

BITE OF LT PACK- ZONE TEMP CONTROLLER SHOWS FAULT FOR AFT ZONE TEMP CONTROL VALVE TRIM AIR VALVE. VERIFY TEST CONFIRMS FAULT. ACFT GROUNDED. R & R AND TESTED V145 AFT CABIN TRIM AIR VALVE IAW MM 21-61-21-000-801/MM 21-61-21-400-801. OPS NORMAL, NO LEAKS NOTED. PACK/ZONE TEMP CONTROLLER BITE IAW MM 21-61-00-700-806-002, SHOWS NO FAULTS.

Part: LENS — BROKEN (EMERGENCY LIGHT) · airframe 19,697 hrs · 6,115 cycles

EMERGENCY EXIT SIGN ON NR 1 GALLEY ADJACENT TO R1 DOOR HAS BROKEN LENS. ACFT GROUNDED. R & R LENS AND TESTED IAW MM 33-51-01-960-801. OPS NORMAL.

Part: CONTROL VALVE — MALFUNCTIONED (A/C BAY) · airframe 19,703 hrs · 6,116 cycles

RIGHT PACK LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. GROUND TEST CONFIRMED RT TEMP CONTROL BITE, FAILED THIS PACK TCV IAW FIM 21-62/801. RESET TEMP CONTROLLER. R & R TEMPERATURE CONTROL VALVE RT IAW AMM 21-51-10. OPS CHECKED GOOD.

Part: CONTROL VALVE — FAULTED (RT A/C PACK) · airframe 19,697 hrs · 6,115 cycles

AFTER ENGINE START, ON RECALL, RT PACK LIGHT ILLUMINATED. QRH PROCEDURE FOLLOWED. PACK LIGHT EXTINGUISHED ON MASTER CAUTION RESET. ACFT GROUNDED. PACK-ZONE TEMP CONTROLLER BITE CHECKED IAW FIM 21-62, TASK 801, SHOWED RT PACK TEMP CONTROL VALVE FAULT AND VERIFY TEST CONFIRMED FAULT. R & R, TESTED RT PACK TEMP CONTROL VALVE V141 IAW MM 21-51-10-000-801, MM 21-51-00-400-801. OPS NORMAL, NO LEAKS NOTED.

Part: BOLT — LOOSE (NR 1 ENGINE) · airframe 19,654 hrs · 6,106 cycles

NR 1 ENGINE FAN DUCT PANEL AT 10:00 POSITION HAS LOOSE BOLTS. ACFT GROUNDED. TIGHTENED LOOSE BOLTS.

Part: WARNING MESSAGE — ILLUMINATED (WINDSHIELD OVRHT) · airframe 19,354 hrs · 6,029 cycles

FWD WINDSHIELD OVERHEAT LIGHT WILL NOT EXTINGUISH. ACFT GROUNDED. FOUND RT FWD WINDOW HEAT CIRCUIT BREAKER TRIPPED. INSPECTED CIRCUIT BREAKER AND RESET IAW MM 20-60-01. WINDOW HEAT OPS CHECKED GOOD, CONTROLLER BITE TESTED, OPS CHECKED GOOD WITH NO CURRENT FAULT. GROUND VERIFICATION TEST ALL NORMAL, IAW MM 30-41-00. NO HISTORY 30 DAYS.

Part: AUTOPILOT SYS — MALFUNCTIONED · airframe 19,299 hrs · 6,016 cycles

AUTOPILOT A DISENGAGED TWICE WHILE IN CRUISE FL 360 & MMO 0.79. ACFT GROUNDED. CHECKED FAULT REVIEW, 2 OCCURRENCES OF A/P DISCONNECT AT FL 360, BOTH FAULT MCP MX MSG 22-11607. ACCOMPLISHED FIM TASK 22-817 MODE CONTROL PANEL TESTS. ALL TESTS PASS.

Part: FMC — UNKNOWN · airframe 19,154 hrs · 5,971 cycles

FMC FAILED ON CAPTAIN`S SIDE. ACFT GROUNDED. FMC OPS TEST ACCOMPLISHED, IAW MM 34-61-00. OPS TESTED GOOD. GROUND TEST VERIFICATION SUCCESSFUL. NO HISTORY LAST 30 DAYS.

Part: A/C PACK — MALFUNCTIONED (LEFT) · airframe 19,008 hrs · 5,917 cycles

FUNCTIONAL CHECK FOR PACK, HIGH FLOW INHIBIT FAILED WITH LT PACK OFF, CONFIGURATION WAS ALT 15,000 FT, PRESSURIZATION MODE SELECTOR MANUAL OUTFLOW VALVE ADJUSTED FOR ZERO CABIN RATE OF CLIMB RT PACK AUTO, LT PACK OFF, FLAPS UP. WHEN FLAPS SELECTED 1, CABIN DID NOT RATE UP. ACFT GROUNDED. PERFORM RESET PROCEDURE OF THE PACK/ZONE TEMP CONTROLLER BITE PROCEDURE IAW FIM 21-62-TASK 801. OPS CHECKED GOOD. ON SUBSEQUENT CHECK FLIGHT, FUNCTIONAL CHECK FAILURE OF RT PACK FOR HIGH FLOW INHIBIT REPEATED. ON DEFERRAL.

Part: WARNING LIGHT — ILLUMINATED (RT A/C PACK) · airframe 19,001 hrs · 5,915 cycles

DURING CLIMB, RECEIVED A RT PACK LIGHT. RAN QRH PROCEEDURE AND RESET PACK. PACK LIGHT RE-ILLUMINATED AND SHUTDOWN PACK IAW THE QRH CHECKLIST. ACFT GROUNDED.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 18,999 hrs · 5,914 cycles

AFTER ENGINE START, RECEIVED AN FMC DISAGREE MESSAGE. ACFT GROUNDED. RAN QRH PROCEDURE AND OPS RETURNED NORMAL. PERFORMED FMC OPS TEST REF MM 34-61-00-710-801.

Part: WARNING MESSAGE — FALSE ACTIVATION (A/C PACK) · airframe 18,981 hrs · 5,908 cycles

DURING CLIMB PASSING FL300, RT PACK CAUTION LIGHT ILLUMINATED. RESET RT PACK AND AFTER 30 SECONDS CAUTION LIGHT ILLUMINATED AGAIN. NOTED RT PACK TEMP AT 55C, LT PACK TEMP AT 15C AND RT RAM DOOR OPEN LIGHT ON. CLOSED ISOLATION VALVE AND TURNED RT PACK SWITCH OFF IAW CHECKLIST. CABIN PRESSURIZATION AND AIR CONDITION NORMAL WITH LT PACK ONLY. ACFT GROUNDED. ACCOMPLISHED BITE CHECK OF BOTH PACK TEMP CONTROLLERS IAW FIM 21-53-818, NO FAULTS FOUND. INSPECTED RT PACK INTAKE NO FOD FOUND. INSPECTED EXHAUST DUCT NO DAMAGE FOUND. RAN RT PACK FOR 1 HOUR FULL HOT TO FULL COLD NO FAULTS FOUND. COMPARED LT PACK TO RT PACK TEMP BOTH WITHIN 4 DEG.

Part: TRANSMITTER — FAILED (ENGINE OIL) · airframe 18,953 hrs · 5,902 cycles

ON TAXI-IN 1 ENGINE OIL FILTER BY-PASS LIGHT ILLUMINATED. BOXED LIGHT BLINKED UNTIL ENGINE SHUTDOWN. ACFT GROUNDED. ALT. DEACTIVATION PROC. C/W REF MPM 5-07-01 TABLE 3, ITEM 3. REPLACED SCAVENGE OIL FILTER CLOGGING TRANSMITTER REF AMM 79-21-07. REPLACED SCAVENGE OIL FILTER ELEMENT REF AMM 79-21-06. NO CONTAMINATION NOTED. C/W POWER PLANT TEST 3A IAW AMM 71-00-00. NO LEAKS NOTED. OPS CK GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 18,755 hrs · 5,846 cycles

FMC DISAGREE MESSAGE ON GROUND. ACFT GROUNDED. ACCOMPLISHED QRH PROCEDURE. NORMAL OPS RESTORED.

Part: WARNING LIGHT — ILLUMINATED (YAW DAMPER) · airframe 18,755 hrs · 5,846 cycles

YAW DAMPER LIGHT ILLUMINATED DURING TAKE OFF. RESET SWITCH AND IT SWITCHED OFF AGAIN. ACFT GROUNDED. FOUND MAINTENANCE MESSAGE 22-22009, SMYD X-CHANNEL BUSS PROBLEM IN IN-FLIGHT FAULTS OF SMYD NR 2. INITIAL EVALUATION REF FIM 22-23, TASK 808 DID NOT CONFIRM FAULT. PERFORMED YAW DAMPER SYS OPS AND SYSTEM TESTS REF MM22-23-00. ALL TESTS PASSED.

Part: AUTOPILOT SYS — DISENGAGED (B) · airframe 18,686 hrs · 5,823 cycles

AUTOPILOT B DISENGAGED ON ATTEMPTED CAT III A. ACFT GROUNDED. ACCOMPLISHED FIM 22-11, TASK 801, DFCS BITE. OPS CHECKED NORMAL. NO HISTORY 30 DAYS.

Part: WARNING LIGHT — FALSE ACTIVATION (A/C PACK) · airframe 18,486 hrs · 5,763 cycles

RT PACK ILLUMINATED ON RECALL AFTER START. PACK LIGHT GOES OUT WHEN MASTER CAUTION IS RESET IAW QRH. ACFT GROUNDED. RT TEMP CONTROLLER BITE SHOWS TCV LAST LEG. RESET REF MM 21-61-00, OPS NORMAL.

Part: VALVE — FAILED (NR 2 PRECOOLER) · airframe 18,378 hrs · 5,729 cycles

BLEED TRIP OFF LIGHT ILLUMINATED AFTER 28 PSI SPLIT ON CLIMB WILL NOT EXTINGUISH. ACFT GROUNDED. FOUND PRECOOLER CONTROL VALVE LOOSE AND SHEARED SHAFT, REPLACED VALVE REF AMM 36-12-02-400-801, INSTALLATION TEST GOOD. ACCOMPLISHED HEALTH CHECK T/C NG- 36WC-00001, NO DEFECTS NOTED. ACCOMPLISHED ENGINE BLEED AIR CROSSOVER OPS TEST IAW AMM 36-11-00-710-801 NR 2 ENGINE , ALL PARAMETERS NORMAL.

Part: CONTROL VALVE — INOPERATIVE (LT A/C PACK) · airframe 18,104 hrs · 5,644 cycles

LEFT PACK LIGHT ILLUMINATED ON CLIMBOUT, EXTINGUISHES ON MASTER CAUTION RESET. ACFT GROUNDED. BITE SHOWS TCV FAULT GUIDE AND ON PREVIOUS FLIGHT. REPLACED TEMP CONTROL VALVE IAW MM 21-51-10, LEAK AND OPS CHECKED GOOD. BITE CHECKED GOOD.

Part: LENS — MISSING (EMERGENCY LIGHT) · airframe 17,993 hrs · 5,610 cycles

PLASTIC COVER BROKEN OFF PANEL JUST LT OF AFT LT LAV DOOR. ACFT GROUNDED. R & R EXIT SIGN LENS IAW MM 33-51-01-960-801. 2 (1) (A)(3) & (C) (4).

Part: FMC — FAILED (RIGHT) · airframe 17,879 hrs · 5,572 cycles

RIGHT FMC FAILED DURING CRUISE. ACFT GROUNDED. VERIFIED RT FMC INOP. PERFORMED FIM 34-61, TASK 836. RT FMC OPERATES NORMALLY. GROUND VERIFICATION GOOD.

Part: LINE — LEAKING (HYD SYSTEM) · airframe 17,820 hrs · 5,549 cycles

ON ACFT SHUTDOWN, NOTICED FLUID DRIPPING UNDER NR 1 ENG COWLING. ACFT GROUNDED. FOUND NR 1 ENG PRESSURE HYD LINE QUICK DISCONNECT AT PYLON LEAKING, R & R NR 1 ENG HYD PRESSURE LINE FOR ENG DRIVEN PUMP IAW AMM 29-11-11, STEP 29F (6), 3(F)(1)(I) , LEAK CHECK GOOD, ELECTICAL POWER WAS REMOVED DURING LINE REPLACEMENT.

Part: UNKNOWN — UNKNOWN (FMC CDU) · airframe 17,445 hrs · 5,451 cycles

INTEROGATED THE FMC CDU FOR ENGINE FAULTS. FOUND FAULT 73-30311, START SWITCH SIGNAL AND BUSS DATA DISAGREE. ON NR 1 ENGINE FLIGHT, LEG 2 ONLY OUT OF 10 LEGS. ACFT GROUNDED. PERFORMED FIM TASK 73-24 / 813. NO DEFECT NOTED, NO HISTORY 90 DAYS.

Part: SENSOR — FAILED (NR 1 ENGINE) · airframe 17,358 hrs · 5,422 cycles

AT CRUISE - RECEIVED A NR 1 BLEED TRIP OFF LIGHT. DID QRH PROCEDURE -LIGHT WENT OUT. GOT PRESS. FLUCTUATION WHEN RESET BLEED. OTHERWISE, CABIN PRESS IS NORMAL. LT BLEED SHOWS 14 PSI AND RT BLEED SHOWS 44 PSI DIFF PRESS IS 30 PSI. ACFT GROUNDED. ACCOMPLISHED NR 1 ENG BLEED AIR SYS HEALTH CHECK REF T/C NG-36WC-00001. NO FAULTS FOUND. REPLACED NR 1 ENG PRECOOLER CONTROL VALVE SENSOR REF MM 36-12-03, 450 DEG. THERMOSTAT REF MM 36-11-05. LK OPS CK GOOD. ACCOMPLISHED ENG BLEED AIR CROSSOVER OPS TEST WITH NO DEFECTS NOTED ON NR 1 ENG PNEU. SYS REF AMM 36-11-00-710-801 IAW SEAM/C NR 1 PRECOOLER CONTROL VALVE REQS REPLACEMENT. REPLACED NR 1 ENGINE PRECOOLER CONTROL VALVE IAW MAINT CONTROL REQUEST REF AMM 36-12-02-000-801 AND AMM 36-12-02-400-801. OPS AND LEAK CHECK GOOD.

Part: REGULATOR — FAILED (NR 2 ENGINE) · airframe 17,358 hrs · 5,422 cycles

DURING ENG RUN ON CROSSOVER BLEED CK FOUND NR 2 ENG BLEED VALVE NOT CLOSING.(PRESSURE INDICATION SHOWS RT NEEDLE ABOVE 20 PSI AT IDLE W/SW CLOSED. ACFT GROUNDED. REPLACED NR 2 ENG BLEED AIR REGULATOR REF AMM 36-11-03-000-801 & 36-11-03-400-801. OPS & LEAK CK GOOD. ACCOMPLISHED FIM 36-10, TASK 802, & PERFORMED REPAIR CONF WITH NO DEFECTS NOTED.

Part: PROBE — OUT OF TOLERANCE (NR 2 ENGINE) · airframe 17,172 hrs · 5,364 cycles

DIAGNOSTIC REPORTS, NR 2 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. ACCOMPLISHED TSR, FOUND S1 AND S4 PROBES RESISTANCE OUT OF LIMITS, R & R BOTH PROBES, OPS CK GOOD AMM 77-21-01, AND AMM 73-21-00.

Part: START VALVE — FAILED (NR1 ENGINE) · airframe 17,121 hrs · 5,348 cycles

ON START NR 1 ENG STARTED WITH A SLOW OPENING START VALVE THEN AFTER IT STARTED THE START VALVE DID NOT CLOSE AND THE AMBER NR 1 ENG INDICATOR LIGHTS WERE FLASHING. ACCOMPLISHED STOP START AND ENG SHUTDOWN LIGHTS EXT. ACFT GROUNDED. REPLACED NR 1 ENG START VALVE REF MM 80-11-03-000-801 FOO AND MM 80-11-03-400-801 FOO. ACCOMPLISHED MM 71-00-00-800-811 IDLE RUN ENG NR1. OPS AND LEAK CK OK.

Part: HOUSING — GOUGED (DOOR HANDLE) · airframe 16,755 hrs · 5,236 cycles

FWD CARGO DOOR HAS MISSING BUMPER AND HOUSING HAS DAMAGE HANDLE HOUSING. ACFT GROUNDED. GOUGE ON UPPER SIDE OF HOUSING IS .068 T. DOOR HANDLE HOUSING. REMOVED HOUSING ASSY IAW SRM 51-40-02. ACCOP HFEC OF FASTNER HOLES W/ ROTARY SCANNER IAW BNDT PART 6 51-00-00 PROCEED 16 , NO DISCONTINUITIES, NOTED. INSTALLED NEW HOUSING ASSY REF MM SRM 51-40-02. REPLACED FWD CARGO DOOR HANDLE ASSY REF MM 52-31-14 AND NG52EO-06500-1.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 16,490 hrs · 5,167 cycles

CONT CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL, RESETS. VERIFIED ZONE LIGHT WITH RECALL. PERFORMED M/M TASK 21-61-00-700-806-002. INITIAL FIND WAS FAULT LOGGED FOR NR 2 TEMP CONTROLLER FLT DECK TRIM VALVE. TEMP CONTROLLER BITE TEST VERIFY TEST PASSED WITH GREEN GO LIGHT. RESET FAULT. RAN BITE TEST TWO MORE TIMES NO DEFECTS NOTED. RECALL DOES NOT HAVE CONT CABIN ZONE ANNUCIATOR ILLUMINATING. NO HISTORY 30 DAYS.

Part: COUPLER — FAILED (HF RADIO) · airframe 16,311 hrs · 5,119 cycles

HF1 AND HF2 VOICE TRANSMIT REPORTED WEAK MID-PACIFIC. RESUMED WORKING FURTHER WEST. HF2 DATA WORKED OK. ACFT GROUNDED. REF AMM 23-11-61-400-801, REMOVED HF COUPLER FOR THE NR 2 POSITION. GROUND VERIFICATION CHECK SUCCESSFUL. ACFT OK FOR SERVICE.

Part: TRANSMITTER — UNKNOWN (HF SYSTEM) · airframe 16,217 hrs · 5,089 cycles

HF TRANSMITTER DOES NOT TRANSMIT WHEN TRANSMISSIONS ARE MADE ON HF 1 OR HF 2 NEITHER SF RADIO NOR OTHER ACFT CAN TRANSMIT, UNABLE TO DETERMINE IF CARRIER WAVE IS GOING OUT. RECEIVER WORKS FINE VHF TRANSMITTER WORK FINE. NR 1 HF TESTS GOOD, REF TASK 23-11-00-710-801. NR 2 HF TEST GOOD IAW SAME. GROUND CHECKED, OPS NORMAL.

Part: BATTERY — INOPERATIVE (EE BAY) · airframe 15,897 hrs · 5,006 cycles

BOTH ACFT BATTERIES FOUND DEAD. ACFT GROUNDED. REPLACED AUX AND MAIN BATTERIES REF AMM 24-31-00. OPS CHECKED GOOD.

Part: VALVE — FAILED (NR 1 ENGINE) · airframe 15,893 hrs · 5,004 cycles

AFTER ENGINE START NR 1 TAI VALVE LIGHT TURNED AMBER WITH ENGINE ANTI-ICE SWITCH OFF AND BLUE VALVE POSITION LIGHT BRIGHT. LIGHTS EXTINGUSHED AFTER ENGINE SHUTDOWN. MANUALLY OPEN & CLOSED NR 1 ENG TAI, ALL INDICATIONS NORMAL, R & R IAW AMM 30-21-11-401. OPS & LK CK GOOD.

Part: VALVE — STUCK (LAVATORY) · airframe 15,810 hrs · 4,987 cycles

AFTER TAKEOFF FAS CALLED WITH VERY LOUD AIR NOISE FROM AFT RT LAV. VERIFIED FLUSH VALVE ON RT AFT LAV IS STUCK OPEN. REMOVED AFT RT TOILET ASSY REF MM 38-32-01-000-838-002 INSTALLED SERVICEABLE AFT RT TOILET ASSY REF MM 38-32-01-400-838-002.

Part: LAMP — FAILED (EMERGENCY LIGHT) · airframe 15,663 hrs · 4,949 cycles

EMERGENCY EXIT LIGHT AFT OF L2 WILL NOT ILLUMINATE. REPLACED LAMP IAW AMM 33-51-04-960-801, 33-51-06-960-805.

Part: COMPENSATOR — FAILED (NR 2 FUEL TANK) · airframe 18,444 hrs · 5,726 cycles

RT MAIN FUEL TANK GAUGE LOST 400 LBS ON ITS INDICATION AND THE FUEL TOTALIZER ALSO SHOWED THIS 400 LB LOSS. ACFT GROUNDED. REF TSR814939 AND TANK ENTRY T/C NR 78528000. R & R NR 2 TANK COMPENSATOR UNIT REF MM 28-41-21-400-801. PERFORMED SYS TEST REF MM 28-41-00-730-801 AND OPS TEST - FUEL QTY INDICATING SYS REF MM 28-41-00-710-801. OPS TESTS NORMAL.

Part: INDICATOR — TRIPPED (NR 2 IDG) · airframe 15,555 hrs · 4,923 cycles

NR 2 ENG IDG, DPI INDICATOR BUTTON EXTENDED. ACFT GROUNDED. PERFORMED FIM FAULT ISOLATION IAW 24-11-00. R & R NR 2 ENGINE IDG SCAVENGE & CHARGE FILTER & OIL IAW AMM 24-11-41. LEAK CHECKED GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION (TEMP CONTROL) · airframe 15,099 hrs · 4,797 cycles

ON MASTER CAUTION RECALL, CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED. FLIGHT DECK TRIM VALVE FAULT ON PRIMARY CONTROLLER. ACCOMPLISHED ZONE TEMP CONTROLLER BITE WITH NO CURRENT FAULTS REF FIM 21-61-801.

Part: FMC — MALFUNCTIONED (LEFT) · airframe 15,039 hrs · 4,782 cycles

LEFT FMC FAILED ENROUTE. BOOTED FMC. OPS OK.

Part: TURBINE BLADES — DAMAGED (APU) · airframe 14,753 hrs · 4,709 cycles

POWERPLANT ENGINEERING REPORTED A SHIFT UP OF THE APU EGT CT5ATP. ACCOMPLISHED BOROSCOPE OF APU 1ST STAGE TURBINE BLADE, SHIFT AND FIRST STAGE STATOR AND FIRST STAGE TURBINE INSPECTION REF AMM 49-11-00-210-801 AND AMM 49-21-00-200-802. FOUND 1/2 BLADE T/E MISSING. REPLACED APU, REF TASK CARD 78349010 STEP 4, APU INSTALLATION COMPLETED APU INSTALLATION STEP 5 A-L. IAW MM 49-11-00-400-802. COMPLETED INSTALLATION IAW MM 49-11-00-400-802. ACCOMPLISHED APU OPS TEST IAW MM 49-11-00-710-801.

Part: INDICATOR — ACTIVATED (NR 2 IDG FILTER) · airframe 14,625 hrs · 4,673 cycles

NR 2 ENGINE IDG FILTER DPI BUTTON EXTENDED. C/W FIM TASK 24-11 TASK 803. THIS IS SECOND DPI POPPED OCCURRENCE. VERIFIED WITH IDG DECAL & TRAX. C/W FMC CDU TASK CARD 78273000, NO FAULTS REPORTED. C/W T/C 78424000 FOR IDG SCAVENGE & CHARGE FILTER INSPECTION. NO CONTAMINATION FOUND. C/W T/C 78424000 FOR SCAVENGE & CHARGE FILTER REPLACEMENTS & OIL CHANGE. IDG LEAK CHECK GOOD DURING ENGINE RUN TEST 3A. DPI WAS RESET BEFORE RUN AND REMAINED RESET AFTER RUN. RECORDED 2ND DPI NUISANCE OCCURRENCE ON IDG DECAL. GROUND VERIFICATION SUCCESSFUL.

Part: INDICATOR — ACTIVATED (NR 1 IDG FILTER) · airframe 14,625 hrs · 4,673 cycles

NR 1 ENGINE IDG FILTER DPI BUTTON EXTENDED. CW FIM TASK 24-11 TASK 803. THIS IS THE SECOND DPI POPPED OCCURRENCE. VERIFIED WITH IDG DECAL AND TRAX. CW FMC CDU TASK CARD 78273000. NO FAULTS REPORTED. CW TC 78424000 FOR IDG SCAVENGE AND CHARGE FILTER INSPECTION. NO CONTAMINATION FOUND. CW TC 78424000 SCAVENGE AND CHARGE FILTER INSTALLATION, LEAK CK GOOD DURING ENGINE RUN TEST 3A. DPI RESET BEFORE ENG RUN AND REMAINED IN AFTER RUN. RECORDED DPI OCCURRENCE ON IDG DECAL.

Part: ECU — FAILED (APU) · airframe 14,517 hrs · 4,643 cycles

WHILE LOADING APU SOFTWARE APU ECU FAILED. REPLACED ECU WITH SERVICABLE ONE. VERIFIED SOFTWARE PRE LOADED IN ECU REF. NG-49EO-03483-1. ACCOMP. INST. TEST, TEST PASSES REF. M/M 49-61-12-400-801.

Part: WARNING LIGHT — FALSE INDICATION (FMC) · airframe 14,511 hrs · 4,642 cycles

FMC DISAGREE WARNING OCCURRED DURING TAXI OUT AFTER FLAPS WERE EXTENDED. ACFT GROUNDED. QRH PROCEDURE PERFORMED, WARNING WENT AWAY.

Part: UNKNOWN — UNKNOWN (NR 2 ENGINE) · airframe 14,487 hrs · 4,634 cycles

WHILE PERFORMING T/C 78273000 (INTERROGATE THE FMC CDU FOR ENGINE FAULTS) ON NR 2 ENGINE, FOUND SHORT TERM FAULT 73-21442- DEU2 DATA IS MISSING. ACCOMPLISHED EEC BITE ON 2 ENGINE, NO RECENT FAULTS PRESENT. REF FIM 73-00-00-810-801.

Part: FMC — FALSE ACTIVATION · airframe 14,412 hrs · 4,610 cycles

FMC DISAGREE LT ON GROUND. FOLLOWED QRH PROCEDURE, OPS NORMAL.

Part: ELEMENT — ACTIVATED (NR 2 IDG) · airframe 13,822 hrs · 4,438 cycles

NR 2 ENG IDG DPI FOUND EXTENDED. ACCOMPLISHED FIM 24-11, TASK 810. VERIFIED 1ST OCCURRENCE. ACCOMPLISHED FMC/CDU T/C 78273000 NO DEFECTS NOTED. ACCOMPLISHED IDG SCAVENGE & CHG FILTER INSPECTION CHECK IAW T/C 78424000 NO DEFECTS NOTED. ACCOMPLISHED IDG SCAVENGE & CHG FILTER INSTALLATION REF T/C 78424000. ACCOMPLISHED IDG OIL CHANGE REF T/C 78424000. RESET DPI ENG RUN LEAK CHECKED GOOD. OK FOR SVC.

Part: MODULATING VALVE — FAILED (LT A/C PACK) · airframe 13,720 hrs · 4,411 cycles

ON RECALL SELECTION GOT BOTH MASTER CAUTION LIGHTS, AIR COND LIGHT, AND LEFT PACK LIGHT. PERFORMED QRH CHECKLIST, SELECTED MASTER CAUTION RESET AND LIGHT WENT OUT. ACFT GROUNDED. ACCOMPLISHED LEFT PACK ZONE TEMP CONTROLLER BITE CHECK. ALL PREVIOUS 9 FLIGHT LEGS LOGGED TEMP CONTROL VALVE FOR LT PACK. REPLACED LT TCV REF MM21-51-10. OPS AND LEAK CHECKS GOOD. PACK/ZONE TEMP CONTROLLER BITE SHOWS NO FAULTS.

Part: WARNING LIGHT — FALSE ACTIVATION (A/C PACK) · airframe 13,157 hrs · 4,245 cycles

LT PACK LIGHT ILLUMINATED AFTER START. PERFORMED A BITE CHECK ON THE LT PACK TEMP CONTROLLER. TCV SHOWED AS A FAULT. AFTER VERIFING NO FAULTS FOUND. RAN A SECOND BITE CHECK AND NO FAULTS INDICATED. TEST PERFORMED IAW AMM 21-61-00-700-806-002. NO MX HISTORY WITHIN THE PAST 10 DAYS.

Part: AUTOPILOT SYS — MALFUNCTIONED · airframe 13,139 hrs · 4,240 cycles

ON APPROCH, ILS 29 AUTOPILOT INITIALLY CAPTURED LOCALIZER WITH BOTH CHANNELS ENGAGED, APPOX 5 SECONDS LATER AUTOPILOT DISENGAGED RE-ENGAGED AND SAME THING HAPPENED. PERFORMED LIBRARY GROUP 49 LAND, VERIFIED SYS, OP CHECKED GOOD.

Part: AUTOTHROTTLE SYS — MALFUNCTIONED · airframe 13,108 hrs · 4,233 cycles

ON DESCENT, WITH AUTO THROTTLES ON IN V/S DESCENT AIRSPEED 310 SELECTED. ACFT SLOWED TO 270 INDICATED. TURNED AUTO THROTTLES OFF THEN BACK TO ON AND AUTO THROTTLES WORKED CORRECTLY FOR REST OF FLIGHT THRU LANDING. PERFORMED AUTOTHROTTLE SYSTEM TEST IAW AMM 22-31-00-710-802. NO FAULT SYS CHECKED GOOD. DFCS LRU REPLACEMENT TEST FOR A/T IS GOOD (FIM REF 22 11, TASK 802 BITE GROUP NR 43) HGS GOOD IAW AMM 34-36-00.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 13,391 hrs · 4,315 cycles

AFTER START CHECKLIST, RECALL CONT CAB ZONE TEMP ILLUMINATED ON RECALL & EXTINGUISHED ON CLEARING MASTER CAUTION. NR 2 CONTROLLER SHOWS FLT DECK TRIM VALVE FAULT ON PREVIOUS FLT, VERIFY TEST PASS. RESET FAULT. FAULT DID NOT RETURN. BITE TEST NR 2 TEMP CONTROLLER GOOD. REF FIM 21-62/T832. FUNCTION CHECK, CABIN (FLT DECK) TEMP CONTROLLER GOOD.

Part: GENERATOR — FAILED (NR 2) · airframe 13,050 hrs · 4,215 cycles

NR 2 ENGINE IDG DPI EXTENDED. GROUNDED YES. REF FIM 24-11-00, NR 2 IDG AND TRAX REFLECT THIS IS 4 DPI EXTENSIONS. REMOVED IDG FILTER FROM REMOVED IDG NO CONTAMINATION NOTED REF MM 24-11-11, 090 801C3. REPLACED NR 2 IDG REF MM 24 11-11-000 801 MM 24-11-11-400-801. PERF OPS TEST FOR NR 2 ENGINE IDG REF MM 24-11-00-700-803, STEP E(1) G(3)(F). OPS TESTED GOOD.

Part: WARNING LIGHT — ILLUMINATED · airframe 12,808 hrs · 4,138 cycles

ZONE TEMP LIGHT ILLUMINATES ON RECALL. WHEN RESET PUSHED LIGHT EXTINGUISHES. ACFT GROUNDED. BITE CK SHOWS NR 2 CONTROLLER FLT DECK TRIM VALVE VERIFIES GO. RESET CONTROLLER RAN PACKS & RETESTED. FAULT DOES NOT RETURN. REF AMM 21-62-00-810-801.

Part: FMC — MALFUNCTIONED (RIGHT) · airframe 12,674 hrs · 4,102 cycles

RT FMC FAILURE VTK FLAG F/O MAP WOULD NOT RESET AT FL380. ACFT GROUNDED. PULLED & RESET BOTH FMC COMPUTOR C/B VTK FLAG CLEARED, OPS NORMAL. PERFORMED FMC FIM TASK 801-34-61, NO CURRENT FAULTS. SYS VERIFIED GOOD. PERFORMED CDS FIM TASK 809-31-63, NO FAULTS.

Part: WARNING LIGHT — FALSE ACTIVATION (A/C PACK) · airframe 12,589 hrs · 4,074 cycles

LEFT PACK LIGHT ILLUMINATED ON RECALL EXTINGUISHED UPON MASTER CAUTION. GROUNDED YES. TESTED LT PACK TEMP/ZONE CONTROLLER IAW AMM 31-61-00-700-806-002. TCV FAULT INDICATED. CLEARED FAULT. RAN PACKS AND RE TESTED. NO FAULTS FOUND AND NO MAINT HISTORY WITHIN THE PAST 30 DAYS.

Part: CONTROL VALVE — MALFUNCTIONED (NR 2 ENGINE) · airframe 12,735 hrs · 4,118 cycles

NR 2 ENGINE BLEED SYS. ACFT GROUNDED IAW TSR 814458. R & R NR 2 ENG PCV IAW AMM 36-12-02. OPS CHECK NORMAL IAW AMM 36-12-02, STEP G.

Part: B-NUT — LOOSE (PRESSURE REG) · airframe 12,549 hrs · 4,063 cycles

RT BLEED TRIP OFF LIGHT ILLUMINATED, EXTINGUISHED AFTER TRIP RESET IAW QRH. ACFT GROUNDED. STARTED FIM 36-10-00-810-801, FOUND 2 LOOSE B-NUT FITTINGS ON PRESSURE REGULATOR, TIGHTENED B-NUT FITTINGS. ALSO, FOUND PRSOV WRENCH TEST STIFF WHEN OPENING IT UP, REPLACED PRSOV IAW AMM 36-11-04-400-801. GROUND FUNCTIONAL CHECKED GOOD IAW AMM 36-11-04-400-801.

Part: REGULATOR — FAILED (NR 1 ENGINE) · airframe 12,518 hrs · 4,052 cycles

DURING TAXI, FMC TAKEOFF REF PAGE INDICATED TAKEOFF POWER OF 88.6 LT 88.0, RT. DUCT PRESSURE READ 3 PSI LT 17 PSI RT. AT CRUISE, FL 280, DUCT PRESSURE READ 3, PSI LT 43, PSI RT WITH N1 OF 78.9 PERCENT EACH ENGINE. SUPPLY DUCT TEMP READ OFF SCALE LOW LT 24 DEG RT. ACFT GROUNDED. TROUBLESHOT NR1 ENGINE BLEED AIR SYS IAW MM 36-11-00-700-801. BAR FAILED STEP G.(2)(C) 3. SOLENOID FAILED. REPLACED BAR IAW MM 36-11-03-00-801 AND MM 36-11-03-400-801. ACCOMPLISHED INST TEST OF THE NR 1 ENGINE BAR IAW AMM 36-11-03-400-801. TESTED GOOD. ACCOMPLISHED ENGINE BLEED AIR CROSSOVER OPS TEST IAW AMM 36-11-00-710-801. CHECKED GOOD.

Part: NOZZLE — MALFUNCTIONED (APU FUEL SYS) · airframe 12,508 hrs · 4,048 cycles

APU EGT TREND DATA SHOWS EGT HAS SHIFTED ABOVE THE ESTABLISHED THRESHOLD. REMOVED AND REPLACED APU FUEL NOZZLES REF AMM 49-31-14-400. LEAK & AND OPS CHECKED GOOD.

Part: DISPLAY — MALFUNCTIONED (FMC) · airframe 12,456 hrs · 6,035 cycles

DURING FLIGHT, AT CRUISE. CAPTAIN'S FMS SCREEN WENT COMPLETELY BLANK ASSOCIATED ANNUNCIATORS ALONG SIDE NUMBER AND ALPHABET LIGHT ILLUMINATED. AFTER ABOUT 15 SECONDS SCREEN DATA APPEARED AND SYSTEM APPEARS TO BE NORMAL. OPS CHECKED CAPTAIN'S FMS PER FIM TASK 34-61-00-710-801. CHECKED NORMAL, NO DEFAULT FOUND.

Part: AUTOTHROTTLE SYS — MALFUNCTIONED · airframe 12,333 hrs · 4,002 cycles

ON CLIMBOUT, AUTOTHROTTLE CIRCUIT BREAKER TRIPPED. RESET AUTOTHROTTLE "DC1" CIRCUIT BREAKER PER AMM REF 20-60-01 ACCOMPLISHED AUTOTHROTTLE BITE PER 22-31-00 GROUND VERIFICATION SUCCESSFUL, OPS CHECKED NORMAL.

Part: UNKNOWN — MALFUNCTIONED (FMC) · airframe 12,072 hrs · 3,928 cycles

ON GROUND "FMC DISAGREE" MESSAGE ON CDU. ACCOMPLISHED QRH. MESSAGE WENT AWAY.

Part: SENSOR — DEFECTIVE (APU) · airframe 12,028 hrs · 3,917 cycles

POWERPLANT ENGINEERING REPORTS THAT THE APU CT5ATP EGT IS TRENDING TOWARD THE THRESHOLD. REPLACED APU INLET TEMP SENSOR WITH NEW. REF: AMM 49 61 31 & TESTED REF AMM 49 61 00 700 801. ALL TESTS CHECK GOOD. APU ALSO RAN 3 TIMES NO FMC RUN FAULTS.

Part: CONTROL VALVE — FAILED (AC BAY) · airframe 11,997 hrs · 3,905 cycles

PACK LIGHT ILLUMINATED IN FLIGHT. WOULD NOT RESET. COMPLIED QRH ITEMS. NO FOD NOTED AT LT PACK HEAT EXCHANGERS. CURRENTLY PACK LIGHT RESETS W/MASTER CAUTION. NR 1 CTRLR SHOWS "TCV THIS PACK" FAULT ON BIT PREV FLT & VERIFY TESTS. REPLACED LT TEMP CONTROL VALVE PER AMM 21 51 10 00 801 AND 21 51 10 400 801. PERFORMED BITE CHECK PER 21 61 00 700 806 002 BITE CHECK GOOD.

Part: CONTROLLER — MALFUNCTIONED (CABIN TEMP) · airframe 11,967 hrs · 3,894 cycles

CONT CABIN ZONE LIGHT ILLUMINATED DURING CLIMBOUT. ACCOMPLISHED GRH ITEMS. ZONE LIGHT EXTINGUISHED AFTER PRESSURE MASTER CAUTION. PERFORMED BITE TEST OF BOTH PACK/ZONE TEMP CONTROLLERS REF AMM 21 61 00, NR 2 CONTROLLER DISPLAYED FLIGHT DECK TRIM VALVE FAULT RAN VERIFY NO FAULTS, RESET CONTROLLER AGAIN RAN FULL BITE TEST PER 21 61 00, NO FAULTS.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 11,637 hrs · 3,787 cycles

HOLE FOUND ON RT FUSELAGE EXT SKIN BETWEEN STATION 360 380 BETWEEN STR 18R 19R. REPAIRED SKIN IAW B737 800 SRM 53 00 01 REPAIR 3.