N531AS

Part: LENS — MISSING (ZONE 200) · airframe 54,213 hrs · 16,138 cycles

F/A REPORTS L2 DOOR EXIT SIGN COVER MISSING. GROUNDED - YES. INSTALLED NEW L2 DOOR EXIT SIGN COVER. REF 33-51-01.

Part: WEB — CORRODED (ZONE 100) · corrosion level 2 · airframe 51,749 hrs · 15,285 cycles

AFT PIT LOWER DOOR SILL WEB HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED AND REPLACED AFT PIT LOWER DOOR SILL WEB IAW B737-800 SRM 51-40-02-05-0W= 1" O= .050" R= .041 L= 9" D=.009".

Part: SIGN — DETACHED (ZONE 200) · airframe 51,572 hrs · 15,225 cycles

AFT GALLEY OVERHEAD EMERGENCY EXIT SIGN ASSEMBLY DETATCHED FROM CEILING PANEL. GROUNDED - YES. (RESOLVED ON W/O: 2033960 TASKCARD: N/R-00002 ) AFT GALLEY OVERHEAD EMERGENCY EXIT SIGN LIGHT ASSY REMOVED AND REPLACED OPS CHECK GOOD, REF AMM 33-51-01/ CMM 33-24-03. THIS CLEAR PLT C/N 06063351 AND SEAMC DARWIN NOTIFIED.

Part: SKIN — CORRODED (ZONE 100) · corrosion level 2 · airframe 50,598 hrs · 14,907 cycles

AREA AROUND WATER SERVICE DOOR AT STR 25R TO STR 27R HAS SIGNS OF CORROSION. GROUNDED - YES. ACCOMPLISHED CATEGORY A MINOR REPAIR ON SKIN PANEL P/N 147A3400-4 IAW EA 800-53EA-27659 REV 00

Part: SKIN LAP — CORRODED (ZONE 100) · corrosion level 2 · airframe 50,598 hrs · 14,907 cycles

L/H LWR LAP SEAM SEC 48 AT STA 1040 TO STA 1048 HAS SIGNS OF CORROSION GROUNDED - YES. ACCOMPLISHED CATEGORY A MINOR REPAIR ON SKIN PANEL P/N: 148A3321-13 IAW EA 800-53EA-27653 REV 00

Part: LIGHT — MALFUNCTIONED (ZONE 200) · airframe 50,264 hrs · 14,779 cycles

FLIGHT ATTENDANTS REPORT EMERGENCY EXIT LIGHT SWITCH ON AFT FA PANEL IS GUARDED DOWN BUT THE LIGHT IS ILLUMINATED. NO ACTUAL EMERGENCY LIGHTS ARE LIT AND THE COCKPIT SWITCH IS IN THE GUARDED 'ARMED' POSITION. GROUNDED - YES. CYCLED POWER TO SYSTEM, EMERGENCY LIGHT TEST CHECKS GOOD, REF AMM 33-51-00, NO DEFECTS NOTED.

Part: DOOR — BINDING (AFT SERVICE DOOR) · airframe 49,892 hrs · 14,665 cycles

AIRCRAFT RIGHT AFT SERVICE DOOR IS JAMMED. CANNOT BE OPENED FROM INSIDE "OR" FROM THE OUTSIDE. GROUNDED - YES. OPENED & CLOSED R-2 DOOR OPS CK IS GOOD REF AMM 52-41-00.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS) · airframe 49,104 hrs · 14,408 cycles

L/H FWD EMERGENCY LIGHT INOP. GROUNDED - YES. REPLACED EMERGENCY LIGHT POWER SUPPLY BATTERY PACK REF BOEING AMM TASK 33-51-06-960-805. ASSY M1675 AND M1694. OP TEST GOOD. NO FURTHER DEFECTS.

Part: TRACK — LACK OF LUBE (L1 DOOR) · airframe 48,480 hrs · 14,202 cycles

FA REPORTS L1 DOOR DIFFICULT TO OPEN AND CLOSE. GROUNDED - YES. LUBRICATED L1 DOOR TRACK AND DOOR HANDLE REF. AMM 52-11-00. OPS CHK NORMAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 47,350 hrs · 13,819 cycles

RIGHT FMC WENT BLANK IN FLIGHT. CALL FAIL, MSG, OFFSET AND EXECUTE LIGHT ALL LIT UP. THEN RECEIVED BITE TEST COMPLETE ON SCREEN AND RETURNED FULL OPERATION OF THE RIGHT FMC. GROUNDED - YES. PERFORMED FIM 34-61 TASK 807. NO FAULTS NOTED. NO 30 DAY HISTORY.

Part: FILTER — LEAKING (#2 ENGINE IDG) · airframe 47,134 hrs · 13,750 cycles

TECH SERVICES FOLLOW UP REQUEST FOR FREQUENT #2 IDG SERVICING(#PRI2/ETOPS). GROUNDED - YES. (RESOLVED ON W/O: 1970015 TASKCARD: N/R-00001 ) COULD NOT PERFORM STATIC LEAK CHECK DUE TO THE AMOUNT OF OIL RESIDUE IN MULTIPLE LOCATIONS. CLEANED EXTERNAL PORTION OF #2 IDG & BAGGED IDG DRAIN. PERFORMED 10 MINUTE IDLE RUN & WITNESSED OIL SEEPING FROM AFT IDG OIL FILTER COVER. PERFORMED T/C 78424000 IDG FILTER AND OIL CHANGE. NO FURTHER LEAKS DETECTED. THIS CLEARS TSR715006. SEAMC TODD NOTIFIED.

Part: IDG — LEAKING (#1 ENGINE) · airframe 47,112 hrs · 13,740 cycles

TECH SERVICES FOLLOW UP REQUEST FOR FREQUENT #1 IDG SERVICING(#PRI2/ETOPS). GROUNDED - YES. (RESOLVED ON W/O: 1970975 TASKCARD: N/R-00001 ) WHILE ACCOMPLISHING TSR715005 FOUND A LARGE AMOUNT OF OIL AROUND THE QUAD RING. REMOVED AND REPLACED #1 ENG IDG REF AMM 24-11-11. OPS CHECKED GOOD. P/N VERIFICATION ACCOMPLISHED WITH SEAMC PETER. REF L/P 60525944 FOR #1 ENF IDG OIL AND FILTERS CHANGE. SEAMC LAMOT NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 46,899 hrs · 13,661 cycles

CAB ZONE TEMP LIGHT FAULTS DURING RECALL. EXTINGUISHES UPON MASTER CAUTION RESET. GROUNDED - YES. (RESOLVED ON W/O: 1967571 TASKCARD: N/R-00002 ) ACCOMPLISHED FIM 21-62 TASK 903, 801 & 833. PZTC 2 M1443 HAD "FLT DECK TRIM VALVE" FAULT FOR LAST FLIGHT LEG DURING BIT TEST. "GREEN GO" LIGHT CAME ON DURING VERIFY TEST TWICE. CONT CABIN ZONE TEMP LIGHT NO LONGER ILLUMINATES DURING MASTER CAUTION RECALL. REMOVED PLACARDS. THIS CLEARS MEL 21-21G C/N 09033531. SEAMC MITCH NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 46,899 hrs · 13,661 cycles

CONT CAB ZONE TEMP LIGHT ON. GROUNDED - YES. APPLIED APU AIR TO SYSTEM AND EXERCISED TRIM AIR VALVE. OPS CK NORMAL PER AMM 21-61-00 NO HISTORY LAST 30 DAYS. SEAMC NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 46,822 hrs · 13,628 cycles

DURING DRY MOTOR RUN FOUND #2 ENGINE STARTER OIL LEAK AT STARTER CLAMP. GROUNDED - YES. INSPECTED QADTER CLAMPPER AMM 80-11-01NO CRACKS NOTED.FOUND STARTER CLAMP TO BE LOOSE.RE-TORQUE CLAMP PER AMM 80-11-01-400-801-F006.(E)DRY MOTORS AND LEAK CHECK FOUND OKAY.

Part: BLEED VALVE — LEAKING (#2 ENGINE) · airframe 46,594 hrs · 13,551 cycles

INFLIGHT DUCT PRESSURE DIFFERENTIAL EXCEEDED 20 PSI AT 8000FT LEFT - 40PSI RIGHT - 65PSIAT 17000FT AND APPROX 10 MINS INFLIGHT LEFT - 45PSI RIGHT - 55PSIAT 34000FT AND APRROX 25 MINS - 30 MINS INFLIGHT LEFT - 45PSI RIGHT - 45PSIAT 34000FT AND 3.30 HRS OF FLIGHT TIME LEFT - 40 PSI RIGHT 40 PSI. GROUNDED - YES. T/S #2 ENG. PER B737-800 FIM 36-10 TASK 807. FOUND PRSOV LEAKING. PERFORMED OPS TEST OF PRSOV PER B737-800 AMM 36-11-04-860-003, OPS CHECK FAILED. REMOVED AND REPLACED #2 PRSOV REF AMM 36-11-04. OPS AND LEAK CK GOOD. PERFORMED ENGINE RUN FOR OPERATIONAL LIMITS PER AMM 71-00-00. OPS CK NORMAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 46,499 hrs · 13,522 cycles

UNSAT AUTOLAND. APP WARN APPX 50' 34L APPROACH. GROUNDED - YES. FFR SHOWD NO FAULTS LAST FLIGHT, DFCS CHA AND CH B. HGS LOGGED "RALT 1" FAULTS AND "RALT COMP" FAULTS LAST FLIGHT LEG. HGS SYSTEM TEST AND HGS SENSOR DATA TEST FOR RAD ALT NML, REF SMM 34-36-00. LRRA OPS TEST NML, REF MM 34-33-00.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 46,428 hrs · 13,502 cycles

APPCH WARN AT 100'AGL.DISCONNECTED A/PAND LANDED.AULTOLAN/HGS.ILS WAS CLEARAPPCH WAR. WIND VAR @3 34L SEA. GROUNDED - YES. T/S AND FOUND ILS ANOMALY LOGGED IN HISTORY. ACCOMPLISHED ALL LIBRARY TESTS DFCS IAW AMM 22-11-00-740-806 & HGS IAW 34-36-00 RTS PASSED. CLEARS MEL'S 22-20B, 22-99B, C/N#27067531 & MEL'S 34-44I, 34-99B, C/N# 27068531. PLACARDS REMOVED. SEAMC PETER.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 46,381 hrs · 13,481 cycles

ON MASTER CAUTION RECALL THE LEFT PACK LIGHT ILLUMINATED AND DISTINGUISHED WHEN MASTER CAUTION PUSH TO RESET WAS PUSHED. GROUNDED - YES. ON DEFERRAL.

Part: COUPLING — LEAKING (#1 ENGINE) · airframe 46,425 hrs · 13,500 cycles

MAINTENANCE/TECH SERVICES REQUEST: FOLLOW-UP TO #1 ENGINE IDG FREQUENT SERVICING----(#PRI2/ETOPS)-----. GROUNDED - YES. (RESOLVED ON W/O: 1962582 TASKCARD: N/R-00002 ) FOUND #1 ENG. SERVICE FITTING LEAKING. REMOVED AND REPLACED PER. AMM 24-11-00-700-804. LEAK CHECK GOOD AT THIS TIME.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 45,956 hrs · 13,338 cycles

AT CRUISE FO HAD VTRK DISPLAYED ON ND DISPLAY AND AUTOPILOT REVERTED TO CWS ROLL MODE. VTRK WENT AWAY AND OPS WENT BACK TO NORMAL. GROUNDED - YES. VERIFIED FMC+DFCS FAULTS FOR FMC DATA INVALID AND PRES POS LAT RATE. NO OTHER OCCURRENCES PREVIOUS FLT LEGS. DFCS BITE, FMC BITE CHKS GOOD REF B737-800 FIMS 22-11-801 & 34-61-801. VERIFIED ADIRU-L AND -R BITE CHKS GOOD AND NO FAULTS REF FIM 34-21-801.

Part: MOTOR — FAULTY (BOOST PUMP) · airframe 45,954 hrs · 13,336 cycles

#2 FWD FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED #2 FWD BOOST PUMP IMPELLER IAW B737-800 AMM 28-22-41.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 45,943 hrs · 13,334 cycles

WINDOW HEAT OVERHEAT LIGHT ILLUMINATED DURING CLIMB. GROUNDED - YES. LIGHT STAYS EXTINGUISHED AFTER QRH PROCEDURE.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 45,933 hrs · 13,332 cycles

LH PACK LIGHT ON AFTER PUSHING RECALL, GOES OUT AFTER PUSHING MASTER CAUTION. GROUNDED - YES. PERFORMED B737-800 FIM 21-53 TASK 821 FOR LH PACK FOUND "THIS PACK - TCV" FAULT. PERFORMED FIM 21-62 TASK 830 FOR TCV FAULT. NO DEFECTS NOTED AT THIS TIME.

Part: SENSOR — FAULTY (PRECOOLER VALVE) · airframe 45,772 hrs · 13,257 cycles

L/H DUCT PRESSURE INDICATION READS A MAXIMUM OF 30 PSI AT 80% N1, #1 ENGINE. (FOR REFERENCE #2 ENGINE R/H DUCT PRESSURE 47 PSI AT 80% N1)NOTE: ISOLATION VALVE CLOSED, APU BLEED OFF. L/H DUCT PRESSURE INDICATION DECAYS TO @ 30 PSI WHEN #1 ENGINE N1 SPEED IS 60% & ABOVE: PACK IN AUTO, APU AIR OFF, ISOLATION VALVE CLOSED L/H DUCT PRESSURE INCREASES & STABILIZES NORMALLY WITH PACK OFF. NOTE R/H DUCT PRESS INDICATION AT 47 PSI AT 60% N1 AND ABOVE. (REF ASA LP 60544032) GROUNDED - YES. REMOVED AND REPLACED #1 450 THERMOSTAT IAW B737-800 AMM 36-11-05, LEAK CHECK GOOD. AND REMOVED AND REPLACED #1 PRECOOLER CONTROL VALVE SENSOR AMM 36-12-03, LEAK CHECK GOOD. ACCOMPLISHED T/C NG-36WC-00001 ENG #1 BLEED AIR SYSTEM HEALTH CHECK. FOUND PRSOV BELLOWS LEAKING. REMOVED AND REPLACED PRSOV REF AMM 36-11-04-400-801. (REF ASA LP 60544032)

Part: ENGINE — DAMAGED (LEFT) · airframe 45,772 hrs · 13,257 cycles

WHILE ACCOMPLISHING ASA SBCFM56-7B-72-1074-1. FOUND ON STAGE 3 SLAB PIN AT THE 9 O'CLOCK POSITION LIBERATED. CAUSING DAMAGE TO THE J-HOOK AND SPOOL. REQUIRES ENGINE CHANGE ON #1 ENG S/N 804245. GROUNDED - YES. REMOVED ENGINE S/N 804245. REFERENCE ASA SHOP W/O #1955415.

Part: MOTOR — FAULTY (LT BOOST PUMP) · airframe 45,611 hrs · 13,222 cycles

ON DESCENT PASSING THROUGH FL200 LEFT AFT FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED CONTINUOUSLY. LEFT MAIN TANK CONTAINED APPROX 4.9K LBS OF FUEL. GROUNDED - YES. REMOVED AND REPLACED LEFT AFT FUEL PUMP, OPS CHECK GOOD IAW B737-800 AMM 28-22-41.

Part: MODULATING VALVE — FAULTY (LEFT ECS BAY) · airframe 45,519 hrs · 13,195 cycles

"ZONE TEMP" AMBER ANNUNCIATOR ON OVERHEAD PANEL CONT CAB. EXTINGUISHES ON M.C RESET. GROUNDED - YES. R/R ZONE TRIM AIR MODULATING VALVE (V00143) IAW B737-800 AMM 21-61-21-400-801.

Part: LENS — BROKEN (FWD GALLEY) · airframe 45,364 hrs · 13,146 cycles

EMERGENCY EXIT LIGHT LENS COVER, FLOOR LEVEL BY L1 DOOR BROKEN. GROUNDED - YES. INSTALLED NEW LENS COVER ON EMERGENCY EXIT LIGHT BY L1 DOOR AT FLOOR LEVEL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 45,359 hrs · 13,145 cycles

A OVERHEAT/DETECTION FIRE LOOPS DOES NOT WORK. GROUNDED - YES. UNCAPPED /STOWED MW0325 A1 CORE SENSOR WIRE @ M1759 RETERMINATED WIRE REF B737-800 SWPM 20-30-11. MOVED #1 ENG FIRE DETECT SW TO CENTER AND TESTED GOOD REF B737-800 AMM 26-11-00-710-801. (REF ASA LP 60539021, 60539018)

Part: EXCITER — INOPERATIVE (#1 ENGINE) · airframe 45,250 hrs · 13,110 cycles

NO LIGHT OFF DURING #1 ENGINE START ATTEMPT ON RIGHT IGNITION. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE L/H + R/H IGNITER PLUGS W/ NEW. REMOVED AND REPLACED R/H #1 ENGINE IGNITION EXCITER W/ SERVICEABLE. REF B737-800 AMM 74-00-00, 74-11-01, 74-21-02.

Part: CONTROL PANEL — FAULTY (FLIGHT DECK) · airframe 45,234 hrs · 13,104 cycles

MODE CTRL PANEL GOES DIM AFTER A WHILE HAS HISTORY. RESETS ACCOMPLISHED. GROUNDED - YES. REPLACED MCP REF B737-800 AMM TASK 22-1134-000-801.

Part: DIFFUSER — UNKNOWN (RIGHT ECS BAY) · airframe 45,165 hrs · 13,080 cycles

REF ASA TSR 714008 ON STEP 3, FOUND FAN BYPASS CHECK VALVE WAS MISSING REF B737-800 AMM 21-51-03. ON RH PACK. GROUNDED - YES. REMOVED AND REPLACED PRIMARY HEAT EXCHANGER PLENUM AND DIFFUSER REF B737-800 AMM 21-51-03-400-804, OPS AND LEAK CHECK GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 45,154 hrs · 13,074 cycles

FAULT LIGHT ILLUMINATES AND #1 FIRE HANDLE DOES NOT ILLUMINATED WHEN TESTING FIRE OVERHEAT. GROUNDED - YES. REPAIRED TERMINAL LUG AT #1 ENG #3 DETECTOR REF B737-800 AMM 26-11-02-960-802. FIRE DETECTION/ ETOPS GROUND VERIFICATION PASS.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 45,144 hrs · 13,069 cycles

MODE CONTROL DIGITAL BACKLIGHT NOT WORKING AS WELL AS F/O COURSE NOT WORKING. GROUNDED - YES. RESET MCP PER B737-800 AMM 22-11-34. BACKLIGHT BACK TO NORMAL. OPS CHECK OK.

Part: TAT PROBE — INOPERATIVE (LH SIDE FWD FUSE) · airframe 45,141 hrs · 13,067 cycles

THE "A" SIDE TEMP PROBE AMBER LIGHT ILLUMINATED IN FLIGHT. GROUNDED - YES. DIVERSION - FOUND TAT PROBE HEAT INOP. REMOVED AND REPLACED TAT PROBE PER B737-800 AMM 34-21-06-000-801 & AMM 34-21-06-400-801. TAT PROBE SYSTEM OP TEST GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 45,129 hrs · 13,063 cycles

MCP DIMMER INOP. F/O COURSE LOCKED ON 880. A/P P/RST ILLUMINATED BOTH SIDES. GROUNDED - YES. RESET MODE CONTROL PANEL PER B737-800 AMM 22-11-34. MODE CONTROL PANEL OPS CHECK GOOD PER AMM 22-11-34.

Part: INDICATOR — FAULTED (FUEL) · airframe 45,051 hrs · 13,040 cycles

FUELER REPORTS REFUEL PANEL CENTER TANK QTY INDICATOR NOT TESTING WHEN SELECTED. GROUNDED - YES. REMOVED AND REPLACED CENTER FUEL QUANTITY INDICATOR. PERFORMED GOOD INSTALLATION TEST REF B737-800 AMM 28-41-61/401.

Part: POWER SUPPLY — INOPERATIVE (AFT CABIN CEILIN) · airframe 44,922 hrs · 13,005 cycles

R1 DOOR EMERGENCY LIGHTS BOTH EXTERIOR AND INTERIOR INOP. GROUNDED - YES. REMOVED REPLACED AND OPS CHECKED R1 DOOR EMERGENCY LIGHT POWER SUPPLY S/N 131987 IAW B737-800 AMM 33-51-06-960-806.

Part: BATTERY PACK — UNKNOWN (MAIN CABIN) · airframe 44,922 hrs · 13,005 cycles

AFT EXTERIOR OVERWING EMERGENCY LIGHT FAILS TO STAY ILLUMINATED FOR 15 MINUTES. GROUNDED - YES. REPLACED AFT EXTERIOR OVERWING EMERGENCY LIGHT BATTERY PACK S/N 474070 WITH SERVICEABLE BATTERY PACK, OPS CHECK GOOD, IAW B737-800 AMM 33-51-06-960-805.

Part: STATOR — COKED (#2 ENGINE) · airframe 44,886 hrs · 12,991 cycles

#2 ENG EEC ALTERNATOR SHOWS EVIDENCE OF COKING. GROUNDED - YES. REMOVED AND REPLACED #2 ENG EEC ALTERNATOR REF B737-800 AMM 73-21-08-400-801-F00.

Part: MODULATING VALVE — FAILED (RT ECS) · airframe 44,417 hrs · 12,848 cycles

AFTER ENGINE START AND PRESSING RECALL ZONE TEMP LIGHT ILLUMINATED, EXTINGUISHED AFTER PRESSING MASTER CAUTION. GROUNDED - YES. CONFIRMED FAULT, R/H PACK/ZONE TEMP CONTROLLER SHOWS HARD FAIL "FLIGHT DECK TCV" (V143). REMOVED & REPLACED SAME PER B737-800 AMM 21-61-21.

Part: BATTERY PACK — INOPERATIVE (MAIN PASSENGER C) · airframe 43,654 hrs · 12,626 cycles

EMERGENCY AREA AISLE LIGHT INOP AT 18, 20 AND 23DEF. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK M1670 REF B737-800 WDM 33-51-13-8 AND B737-800 AMM 33-51-06.

Part: ACTUATOR — LEAKING (#1 ENGINE) · airframe 43,573 hrs · 12,596 cycles

FUEL LEAKING UNDER ENGINE 1. GROUNDED - YES. REMOVED AND REPLACED #1 ENG L/H VSV ACTUATOR REF B737-800 AMM 75-31-01.

Part: SPACER — DEBONDED (#2 ENGINE) · airframe 43,572 hrs · 12,595 cycles

PER ASA T/C 78472010 #2 ENG FAN BLADE LUBE SPACERS #1, 10, AND 21 ARE DEBONDED. GROUNDED - YES. PER ASA T/C 78472010 #2 ENG FAN BLADE LUBE, REMOVED AND REPLACED SPACERS #1, 10 AND 21.

Part: BEARING — WORN (L1 DOOR) · airframe 43,572 hrs · 12,595 cycles

L1 DOOR HANDLE STIFF. GROUNDED - YES. REPLACED CAMPLATE DUE TO ROTATING BEARING OUTER RACE REF CMM 52-16-12. REMOVED/REINSTALLED L1 DOOR REF B737-800 AMM 52-11-00. REMOVED/REINSTALLED L1 DOOR UPPER AND LOWER HINGE ARMS REF AMM 52-11-11. ADJUSTMENTS AND OPS CKS GOOD.

Part: BOLT — WORN (#2 ENGINE) · airframe 43,567 hrs · 12,594 cycles

PER ASA T/C 78472010 #2 ENG FAN BLADE LUBE FRONT SPINNER CONE SIX BOLTS ARE WORN ON THE THREADS. GROUNDED - YES. REMOVED AND REPLACED THE SIX BOLTS FOR THE FRONT SPINNER CONE ON THE #2 ENG PER ASA T/C 78472010.

Part: SATCOM — INOPERATIVE · airframe 43,572 hrs · 12,595 cycles

SAT RADIO DIALED AND RECEIVED CALLS, BUT NO AUDIO. GROUNDED - YES. ON DEFERRAL.

Part: NONE — WORN (FLIGHT DECK) · airframe 43,458 hrs · 12,560 cycles

F/O'S MCDU R5 AND R6 BUTTONS WORN-LIGHT SHAVER THROUGH. GROUNDED - YES. REMOVED AND REPLACED F/O'S MCDU KEYBOARD; INSTALLATION TEST IS GOOD. REF B737-800 AMM 34-61-01-000-801 AND 34-61-01-400-801.

Part: DOOR — OUT OF ADJUST (UNKNOWN) · airframe 43,321 hrs · 12,519 cycles

L1 DOOR WAS VERY DIFFICULT TO CLOSE. GROUNDED - YES. SERVICED L1 ENTRY DOOR REF B737-800 AMM 12-25-11.

Part: ACTUATOR — FAILED (RT RAM AIR INLET) · airframe 43,302 hrs · 12,515 cycles

RT PACK LT ILLUMINATED ON CLIMB OUT. EXTINGUISHED UPON RECALL RESET. GROUNDED - YES. REMOVED AND REPLACED RH INLET ACTUATOR IAW B737-800 AMM 21-51-21/401. REMOVED AND REPLACED BONDING JUMPER AS REQUIRED WITH NEW FROM STOCK, CHECKS GOOD.

Part: PROBE — FAULTED (UNKNOWN) · airframe 43,292 hrs · 12,513 cycles

VNAV MODES ON FMC NOT POPULATING PERF DATA. GROUNDED - YES. PLACED PROBE HEAT IN AUTO VNAV INFO LOADED FMC SYSTEM BACK TO NORMAL. IAW B737-800 AMM 34-61-00-710-801.

Part: FMC — FAULTED (UNKNOWN) · airframe 43,203 hrs · 12,493 cycles

ON SHORT FINAL DURING FLARE NO AIII, APCH WARN & DUAL FMC RESET AFTER TOUCHDOWN. GROUNDED - YES. PER B737-900 FIM 34-61 TASK 807 FMC CURRENT PROMPT CHECK GOOD. FMC BITE HAD FMC-L PGM FAULT. INTERMITTENT. OK FOR SERVICE.

Part: SATCOM — UNRESPONSIVE (UNKNOWN) · airframe 43,180 hrs · 12,485 cycles

SATCOM 1 + 2 NOT TRANSMITTING. CALL CONNECTS WHEN PLACED HOWEVER NO ONE CAN HEAR US. GROUNDED - YES. RELEASED PER MEL 23-18 SATCOM INOP. AUTHORIZED BY SEAMC JARED @ 0230Z. ACCOMPLISHED SATCOM SYSTEM TESTS PARA. 1. A. - F. OF B737-800 AMM 23-15-00-730-801. VERIFIED BOTH VOICE CHANNELS RECEIVE/TRANSMIT VOICE CLEAR VIA IN/OUT CALLS. CORRECT INDICATIONS OBSERVED. BITE PAGES INDICATE NO FAILURES. ACCOMPLISHED ACARS INTERFACE TEST W/ NO DEFECTS. DATA TRANSMISSION/RECEPTION CONFIRMED.

Part: PANEL — INOPERATIVE (FLIGHT DECK) · airframe 43,113 hrs · 12,472 cycles

#1 HF/SAT SWITCH WILL NOT SELECT SAT. GROUNDED - YES. REMOVED AND REPLACED HF/SAT PANEL REF B737-800 AMM TASK 23-15-00-400-804, SATCOM COMMUNICATION SYSTEM TEST, AMM TASK 23-15-00-730-801. SATCOM VOICE TEST OF HF1 AND HF2 SYSTEM TEST REF AMM 23-11-00 IS GOOD.

Part: PLATFORM — DEBONDED (#1 ENGINE) · airframe 42,873 hrs · 12,389 cycles

WHILE ACCOMPLISHING T/C 78472010 FOR NO. 1 ENG FAN LUBE, PLATFORMS 1,4,6,8,9,10,12,13,14,16,17,18,20,22,23,24 FOUND TO BE DEBONDED (16 TOTAL). REF TSR 712592 FOR WANT OF REPLACEMENT OF PLATFORMS W/ ANY ELASTOMER DAMAGE. GROUNDED - YES. REMOVED AND REPLACED 16 PLATFORMS ON NO.1 ENGINE REF T/C 78472010.

Part: SPACER — DEBONDED (#1 ENGINE) · airframe 42,873 hrs · 12,389 cycles

WHILE ACCOMPLISHING T/C 78472010 FOR NO.1 ENG FAN LUBE, FOUR SPACERS, 2,5,12,23, FOUND TO BE DEBONDED. GROUNDED - YES. REMOVED AND REPLACED 4 SPACERS ON NO.1 ENG REF T/C 78472010.

Part: DETECTOR — FAILED (#2 ENGINE) · airframe 42,867 hrs · 12,387 cycles

#2 FIRE TEST LIGHT DOES NOT ILLUMINATE ON THE "B" LOOP. GROUNDED - YES. REMOVED AND REPLACED #2 ENG UPPER FAN DETECTOR ASSY AND OPS CKS NML IAW B737-800 AMM 26-11-01.

Part: CONNECTOR — DIRTY (UNKNOWN) · airframe 42,852 hrs · 12,384 cycles

ON ENGINE FIRE TEST, FAULT LIGHT ILLUMINATED #2 ENGINE LOOP B INOP. GROUNDED - YES. PERFORMED B737-800 FIM 26-10 TASK 801 FAULTED ENGINE 2 LOOP B. CLEANED CONNECTOR PER FIM 26-10-810 AND RERACKED FIRE CONTROL MODULE. PERFORMED ENGINE FIRE OPS TEST PER B737-800 AMM 26-11-00 AND PERFORMED FIRE DETECTION OPS TEST FOR APU PER AMM 26-15-00. OPS TEST PASSED. PERFORMED ENG/APU BITE TEST NO FAULTS NOTED.

Part: CONNECTOR — DIRTY (UNKNOWN) · airframe 42,824 hrs · 12,377 cycles

#2 ENGINE FIRE HANDLE WILL NOT ILLUMINATE DURING FIRE TEST. GROUNDED - YES. PERFORMED BITE REF B737-800 FIM 26-10 TASK 801. FAULTED FOR LOOP B ON #2 ENG FOR "LOW RESISTANCE CLEAN CONNECTORS" FOLLOWED FIM 26-10 TASK 810. RE-RACKED FIRE DETECTION CONTROL MODULE AND CLEANED LOOP B DETECTORS AND METERED RESISTANCE. PERFORMED BITE REF FIM 26-10 TASK 801. OPS CHECKS GOOD.

Part: MODULATING VALVE — INTERMITTENT (LEFT ECS BAY) · airframe 42,650 hrs · 12,335 cycles

ZONE TEMP LIGHT ILLUMINATES ON RECALL GOES OUT ON RESET TEMP CONTROL IS NORMAL. GROUNDED - YES. ACCOMPLISHED PACK/ZONE BITE TEST. FLIGHT DECK TRIM VALVE LOGGED FAULT. RESET FAULT, RAN BITE TEST TWICE. OPS CHECK NORMAL PER B737-800 AMM 21-61-00-700-806-002.

Part: REGULATOR — FAILED (#1 ENGINE) · airframe 42,294 hrs · 12,243 cycles

REF ASA TASKCARD NG-36C-00001. #1 ENG HIGH STAGE VALVE FAILED REVERSE FLOW DIAGRAGHING SHEET. GROUNDED - YES. REMOVED #1 ENG HIGH STAGE REGULATOR REF B737-800 AMM 36-11-07. INSTALLED #1 ENG HIGH STAGE REG REF AMM 36-11-07. LK AND OPS CHECK GOOD.

Part: CONTROL VALVE — NOT CLOSED (#1 ENGINE) · airframe 42,294 hrs · 12,243 cycles

REF ASA TASKCARD NG-36WC-00001, #1 ENG PRECOOLER CONTROL VALVE WILL NOT CLOSE WITH PRESSURE APPLIED. GROUNDED - YES. REMOVED AND REPLACED #1 ENG PRECOOLER CONTROL VALVE REF B737-800 AMM 36-12-02. OPS CHECK, LEAK CHECK GOOD.

Part: PNEUMATIC SYSTEM — MALFUNCTIONED (UNKNOWN) · airframe 42,252 hrs · 12,231 cycles

DUCT PRESSURE SPLIT BETWEEN 15-20 PSI AT HIGH POWER SETTING PRESSURE SPLIT DROPS TO 5 PSI AT LOW POWER SETTING. GROUNDED - YES. RAN BOTH ENGINES AT IDLE. DUCT PRESSURE LOW ON #1 ENG. PERFORMED BLEED AIR HEALTH CHECK ON #1 ENG PER T/C NG-36WC-00001. FOUND CONTROL PRESS SENSE LINE LOOSE AT BLEED AIR REG. RETORQUED LINE AT BAR REF B737-800AMM 36-41-03. OPS CHECK GOOD. REF L/P 60475459 AND 6047560 FOR REPLACEMENT OF HIGH STAGE REG AND PRE COOLER CONTROL VALVE. ENG BLEED AIR CROSS OVER OPS CHECK GOOD. REF AMM 36-11-00.

Part: FILTER — DIRTY (UNKNOWN) · airframe 42,236 hrs · 12,223 cycles

AFTER TAXI, CONT CABIN ZONE TEMP LIGHT CAME ON, RESET WITH RECALL. GROUNDED - YES. PERFORMED B737-800 FIM 21-62 TASK 801 ON BOTH #1 AND #2 PACK ZONE/TEMP CONTROLLERS ON #2 PACK CONTROLLER FOUND FLIGHT DECK TRIM VALVE FAULT. RESET FAULT, FAULT CLEARED, REF FIM 21-62 TASK 832. INSPECTED F/D TEMP SENSOR. FOUND DIRTY FILTER AND SENSOR. CLEANED AND REPLACED FILTER. OPERATED PACKS WITH NO FAULTS ON MASTER RECALL.

Part: MANIFOLD — LEAKING (APU) · airframe 42,234 hrs · 12,222 cycles

APU FAILED TO START FUEL LEAKING FROM APU DRAIN. GROUNDED - YES. REMOVED AND REPLACED PRIMARY FUEL MANIFOLD PER B737-800 AMM 49-31-16. APU OPERATIONAL CHECK GOOD PER AMM 49-11-00. NO LEAKS NOTED.

Part: UNKNOWN — BROKEN (ENGINE) · airframe 42,200 hrs · 12,213 cycles

WHILE ACCOMPLISHING ASA TASK CARD N8420001 FOUND CORE FIRE DETECTION HARNESS MW0326 BROKEN TERMINALS. GROUNDED - YES. REMOVED AND REPLACED CORE FIRE DETECTION HARNESS MW0326 REF B737-800 AMM 26-11-02/400 OPS CHECK GOOD. NO FURTHER DAMAGE FOUND.

Part: UNKNOWN — FAILED (PASSENGER CABIN) · airframe 42,200 hrs · 12,213 cycles

WHILE PERFORMING EMERGENCY BATTERY PACK CAPACITY PACK CHECK BEFORE 15 MIN MARK, FOUND MID AND AFT MAIN CABIN WALKWAY OVERHEAD EXIT SIGNS OFF, LH/RH AREA LIGHTS FROM ROW 16 AFT, LH/RH OVERWING DOOR EMERGENCY EXIT LIGHTS OFF, AND BOTH L2 AND R2 PAX DOORS EMERGENCY EXIT LIGHTS OFF. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY BATTERY PACKS AT R/H AND L/H OVERWING ESCAPE HATCH, AND R/H AND L/H AFT PASSENGER DOORS REF B737-800 AMM 33-51-06-960-805.

Part: PRESSURE SWITCH — FAULTY (R WING REAR SPAR) · airframe 41,907 hrs · 12,125 cycles

DURING PREFLIGHT - WITH MAIN TANK FUEL PUMP "OFF" - TANK #2 "LOW PRESSURE" LIGHT WAS OUT. GROUNDED - YES. R/R AFT BOOST PUMP PRESSURE SWITCH IAW B737-800 AMM 28-42-11 OP/LEAK CHECK GOOD.

Part: NONE — NONE (UNKNOWN) · airframe 41,829 hrs · 12,100 cycles

#1 HF FAIL. GROUNDED - YES. ACCOMPLISHED BITE OF #1 HF REF B737-800 FIM 23-11 TASK 801 NO FAULTS OBSERVED NO FAIL DISPLAYED ON #1 HF ON RTP'S. REF FIM 23-11 TASK 802. OPS NML.

Part: CONTROL PANEL — FAULTY (FLIGHT DECK) · airframe 41,625 hrs · 12,044 cycles

AUTO PILOT DISENGAGED TWICE ON FLIGHT. FIRST TIME AS WE LEVELED AT FL 370 AT CRUISE. SECOND TIME ON THE DESCENT AS POWER WAS COMING UP TO CORRECT SPEED A/P DISENGAGED AND AIRCRAFT PITCH DOWN AS IT SEEMED OUT OF TRIM. GROUNDED - YES. ACCOMPLISHED DFCS BITE FAULT REVIEW FOUND 5 CHANNEL A FAULTS RELATED TO MCP. REMOVED AND REPLACED DFCS MCP ACCOMPLISHED INSTALLATION AND LLM TESTS WITH NO FAULTS NOTED REF B737-800 AMM 22-11-34-400-801.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 41,525 hrs · 12,020 cycles

CONT CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. BITE TESTED BOTH ZONE TEMP CONTROLLERS. ZTC 1 GOOD. ZTC 2 SHOWED FLT DECK TRIM VALVE ON BIT AND PREV FLT. SHOWED GOOD ON VERIFY. CONT CABIN ZONE TEMP LT DID NOT ILLUMINATE ON RECALL.

Part: COMPUTER — INOPERATIVE (FLT CONTROL) · airframe 41,078 hrs · 11,883 cycles

AUTOPILOT "B" KICKED-OFF TWO TIMES AT CRUISE FLIGHT. SWITCHED TO AUTOPILOT A AND IT WORKED FINE. GROUNDED - YES. REMOVED AND REPLACED FCC B IAW B737-800 AMM 22-11-33-000/400-801. VERIFIED CORRECT SW WAS PREVIOUSLY LOADED. BOTH FCC A+B MATCH OPS. PERFORMED DFCS LRU REPLACEMENT TEST FOR B737-800 FCC IAW B737-800 FIM 22-11 TASK 802. PERFORMED DFCS LAND VERIFY IAW AMM 22-11-00-700-801. ALL TESTS PASS, NO FAULTS. ALSO, PERFORMED HGS SYSTEM TEST IAW SMM 34-36-00 SEC 500, TEST PASS, NO FAULTS.

Part: INDICATOR — FAILED (REFUEL PANEL) · airframe 40,611 hrs · 11,768 cycles

FUELER REPORTS CTR FUEL QTY IND FLASHES ID FAIL. GROUNDED - YES. REMOVED AND REPLACED CENTER REFUEL QUANTITY INDICATOR REF B737-800 AMM 28-41-61. 4 CB'S OPENED TAGGED TAGS REMOVED AND 4 CB'S RESET. TESTED GOOD PER REF ABOVE REF. THIS CLEARS MEL 28-12B PLACARDS REMOVED NO CONFIG CHANGES SEAMC FELIX NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 40,571 hrs · 11,758 cycles

ATTEMPTED AUTOLAND WAS UNSUCCESSFUL WITH APP ARMED AND AUTOPILOT A ENGAGED, AUTOPILOT B WOULD NOT ENGAGE. GROUNDED - YES. FOUND C/B FCC B ENGAGE INTERLOCK C/B OUT ON P6-2. RESET REF B737-800 AMM 20-60-01 AND WD 22-11-12 PG 3. C/B REMAINED SET. FCC B OPS NML REF AMM 22-11-00. LAND VERIFY TEST PASS REF AMM 22-11-00. ETOPS GND VERIFICATION TEST SUCCESSFUL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 40,416 hrs · 11,722 cycles

FWD GALLEY R1 EMERGENCY EXIT LIGHT COVER PLATE NEEDS TO BE REATTACHED. GROUNDED - YES. REATTACHED R1 EMERGENCY EXIT LIGHT COVER PER B737-800 AMM 33-51-01-960-802. NO DEFECTS NOTED MC SEA DAVE NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 40,426 hrs · 11,724 cycles

AUTO PILOT 'A' DISCONNECTED 3 TIMES AT CRUISE, SELECTED AUTO PILOT 'B' WITH NO ISSUES. GROUNDED - YES. (RESOLVED ON W/O: 1889138 TASKCARD: N/R-00001 ) RESET SYSTEM AND RAN RTS TEST PER B737-800 AMM 22-11-00/201, OPS CHECK GOOD. NO TRAX HISTORY LAST 30 DAYS. AIRCRAFT IS AUTOLAND AND HGS CAT III QUALIFIED, CLEARS MEL 22-1F AND 22-99B, CONTROL NUMBER 29005531, NO AIRCRAFT CONFIGURATION CHANGE. SEAMC MARK NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 40,319 hrs · 11,701 cycles

CAPT FMC FAIL LT ILLUMINATED WITH SCREEN BLANK. " BIT PASS" WAS OBSCURED ON SCREEN- IN ABOUT 20-30 SEC. FMC CAME BACK ON WITH NO LOSS OF DATA. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 836, CYCLED FMCS C/B NO DEFECTS NOTED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 40,099 hrs · 11,648 cycles

PWS FAIL ON BOTH ND'S. GROUNDED - YES. RESET WEATHER RADAR PWR. PERFORMED WEATHER RADAR BITE. REF B737-800 FIM 34-43 TASK 815/FIM 34-43 TASK 801. BITE TEST PASSED, ALL FAIL MESSAGES CLEARED.

Part: MAGNETIC PLUG — UNKNOWN (#1 ENGINE) · airframe 40,099 hrs · 11,648 cycles

REF TASK CARD N2480000 # 1 ENG STARTER MAGNETIC CHIP DETECTOR STUCK WONT SEPARATE FROM HOUSING. GROUNDED - YES. REMOVED AND REPLACED MAGNETIC PLUG REF B737-800 AMM 80-11-01-360-801-F00 LEAK CK GOOD.

Part: COMPUTER — FAULTY (E/E RACK E5-2) · airframe 40,052 hrs · 11,629 cycles

RT FMC FAIL IN CRUISE @ 2HRS. INTO FLIGHT. FL380 VTK/MAP SINGLE FMC OP. FMC SOURCE SELECT SWITCH BOTH ON L. FMC- R BEARING INFO ON POS SHFT PAGE NOT DISPLAYED. SINGLE FMC OPERATION. GROUNDED - YES. REVERSED MEL PROCEDURE AND PLACED FMC TO NORMAL. PERFORMED B737-800 FIM 34-61 TASK 801 FOUND MULTIPLE FAULTS FOR R/H FMC COMPUTER. #2 FMC COMPUTER DUMPED ALL SOFTWARE AND PF CREATING MULTIPLE MISMATCH FAULTS AS WELL. REPLACED #2 FMC REF B737-800 AMM 34-61-02/401 ALL TEST PASS FAULTS CLEARED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 40,046 hrs · 11,628 cycles

RIGHT FMC FAILED IN CRUISE. GROUNDED - YES. RESET FMC IAW B737-800 FIM 34-61 TASK 836. OPS CHECK OK.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 40,046 hrs · 11,628 cycles

F/A REPORTS THAT L1 DOOR VERY HARD TO OPEN. GROUNDED - YES. ACCOMPLISHED OPS CHECK L1 DOOR IAW B737-800 AMM 52-11-00 OPS CHECK GOOD.

Part: COMPUTER — NONE (E/E RACK E5-2) · airframe 40,012 hrs · 11,614 cycles

SINGLE FMC OPERATION APPEARED IN FMC SCRATCH PAD AND VTK AND MAP SHOWN ON FO ND. RAN QRH - DID NOT RESTORE RIGHT FO'S FMC OCCURRED ABOUT 2 HOURS INTO FLIGHT. GROUNDED - YES. RT FMC FLT HISTORY SHOWS HARDWARE FAILURE CODES ARINC & ASIC, BOTH FAULT CODES OCCURED ON FLTS 4-9. DUE TO CONSECUTIVE OCCURENCE, REMOVED & REPLACED RT FMC REF B737-800 AMM 34-61-02 2 C/B OPEN & CLOSED, SOFTWARE & PERFORMANCE FACTORS UPDATED, FMC OPS TEST PASS.

Part: PLATFORM — PEELING (NR 1 FAN BLADE) · airframe 39,771 hrs · 11,547 cycles

WHILE PERFORMING T/C 78472010 CFM56-7 FAN BLADE LUBE, FOUND RUBBER SEALS ON PLATFORMS 3,7 & 21 PEELING OFF. GROUNDED - YES. REPLACED PLATFORMS 3, 7 & 21 , #1 ENGINE PER T/C 78472010.

Part: SPACER — PEELING (NR 1 FAN BLADE) · airframe 39,771 hrs · 11,547 cycles

WHILE PERFORMING T/C 78472010 CFM 56-7 FAN BLADE LUBE, FOUND RUBBER DAMPENERS ON SPACER 1, 3 & 4 PEELING OFF. GROUNDED - YES. REPLACED SPACERS 1, 3 & 4, #1 ENGINE PER T/C 78472010.

Part: AUTOPILOT SYS — DISCONNECTED (AP B SYSTEM) · airframe 39,757 hrs · 11,544 cycles

DURING CRUISE AT FL350. AUTOPILOT B DISENGAGED FOR NO APPARENT REASON. CONDITIONS=SMOOTH WIND 292/16 SAT =42. GROUNDED - YES. REL PER MEL 22-1F B SYSTEM AUTOPILOT INOP. MEL 22-99B CAT 111 AUTOLAND N/A SEAMC NOTIFIED DARREN. DFCS BITE CK SHOWS 22-11607 MCP DATA INV. CW B737-800 FIM 22-11 TASK 817 ALL MCP CHECKS CHECK GOOD. ACCOMPLISHED LAND VERIFY REF B737-800 AMM 22-11-00/201 ALL LLM TESTS PASS. THIS CLEARS MEL 22-1F AND MEL 22-99B FCP'S REMOVED SEAMC ANDY NOTIFIED.

Part: DISPLAY — DEFECTIVE (FLIGHT DECK) · airframe 39,611 hrs · 11,508 cycles

CAPT FMC SCREEN HAS LINES ACROSS IT. GROUNDED - YES. REPLACED CAPT FMC REF B737-800 AMM 34-61-01 OPS CHK GOOD.

Part: GUIDE VANE — BROKEN (NR 2 VSV) · airframe 39,580 hrs · 11,495 cycles

WHILE ACCOMPLISHING REINSPECT OF #2 ENG S/N 804247 PER T.C. SBCFM 56-7B-72-0986-1 FOUND STG 3 VSV 9 O'CLOCK POSITION MISSING CAUSING DAMAGE TO COMPRESSOR SPOOL AND DOWNSTREAM HPC DAMAGE. BEYOND MM LIMITS. GROUNDED - YES. REF T/C 78471000 AND 78471001, REMOVED AND REPLACED THE #2 ENGINE. LOG DEFECT TRANSFERRED TO SHOP W/O 1880980.

Part: ACTUATOR — FAULTED (RAM AIR INLET) · airframe 39,516 hrs · 11,481 cycles

RT PACK CAUTION ILLUM AFTER RECALL. GROUNDED - YES. VERIFIED FAULT, ACCOMP PACK/ZONE TEMP CONT BITE ON BOTH CONT. #1 NO FAULTS. #2 FAULTS RAM AIR ACTR REF B737-800 AMM 21-61-00-700-806-0032. RH RAM AIR DOOR ACTUATOR REMOVED AND REPLACED REF B737-800 AMM 21-51-21. INSTALLATION TESTS GOOD AND NO FAULTS ON PZTC.

Part: TRANSCEIVER — FAILED (NR 2 HF COMMS) · airframe 39,435 hrs · 11,460 cycles

HF 2 RADIO INOP. GROUNDED - YES. HF 2 TRANSCEIVER FAILED PUSH TO TEST BITE TEST. REMOVED & REPLACED HF 2 TRANSCEIVER IAW B737-800 AMM 23-11-21-400-801. PERFORMED BITE TEST B737-800 FIM 23-11-TASK 801. OPS CHECKS NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 39,234 hrs · 11,411 cycles

RT PACK LT ILLUMINATED ON MASTER RECALL WENT OUT WITH PUSH OF RESET. GROUNDED - YES. FOUND PZTC 2 RAM AIR ACT FAULT-CLEARED ON VERIFY. REF B737-800 FIM 21-62 TASK 836. RIGHT PACK LIGHT NO LONGER ILLUMINATES ON RECALL.

Part: HF COMM — FAILED (NR 1) · airframe 39,200 hrs · 11,403 cycles

HF 1 FAIL DURING CRUISE FLIGHT. GROUNDED - YES. ACCOMPLISHED B737-800 AMM 23-11-00-710-801 OPERATIONAL TEST ON #1 HF. TEST PASSED NO DEFECTS NOTED.

Part: SATCOM — MALFUNCTIONED (NR 2) · airframe 38,862 hrs · 11,319 cycles

SATCOM 2 WHEN YOU DIAL OUT TO MEDLINK DID NOT ALLOW YOU TO HEAR THE RINGING OR WHEN IT ANSWERED YOU COULD NOT HEAR ANYTHING WHEN YOU MAKE THE CALL ON SATCOM ONE YOU CAN TRANSMIT THE CALL BUT TO HEAR THE AUDIO YOU HAVE TO BE ON SATCOM 2/AUDIO SELECTED TO HEAR THE AUDIO ON SATCOM ONE. GROUNDED - YES. PERFORMED GOOD GVI ALL WIRING (SATCOM SYSTEM) NO DEFECT NOTED, PERFORMED GOOD CONTINUITY CHECK ALL SATCOM WIRING PER B737-800 WDM 23-15-11, PERFORMED GOOD FUNCTIONAL TEST FOR ALL DISTURBED SYSTEMS PER B737-800 AMM 23-51-01, AMM 21-51-02, AMM 23-15-00, PERFORMED GOOD CALL TO MEDLINK USING SATCOM #1 AND #2 PER AMM 23-15-00. NO DEFECT NOTED.

Part: HEATER — INOPERATIVE (TAT PROBE) · airframe 38,763 hrs · 11,295 cycles

TEMP PROBE CAUTION LIGHT ILLUMINATED IN FLIGHT. GROUNDED - YES. CONFIRMED. RMVD & RPLCD TAT PROBE REF B737-800 AMM 34-21-06. OPS NML PER SAME. ETOPS GND VERIFICATION SUCCESSFUL.

Part: TRANSCEIVER — FAILED (NR 2 HF COMMS) · airframe 38,703 hrs · 11,282 cycles

WHEN SELECTING HF 2, "FAIL" INDICATION DISPLAYED IN BOTH ACTIVE AND STANDBY DISPLAYS. GROUNDED - YES. REMOVED AND REPLACED HF TRANSCEIVER AND OPS CHECKS GOOD IAW B737-800 AMM 23-24-00-400-801.

Part: SUPPORT — CORRODED (BS 500I S21L/R) · airframe 38,703 hrs · 11,282 cycles

FWD PIT AFT BULKHEAD SUPPORT STA 500I HAS AREAS OF CORROISON GROUNDED - YES. REMOVED AND REPLACED AFT BULKHEAD SUPPORT IAW B737-800 SRM 51-40-02-0G-0W=2" O= 0.071 R= 0.052" L= 30" D= 0.019"

Part: CUSP WEB — CORRODED (BS 480-500I S21R) · airframe 38,703 hrs · 11,282 cycles

FWD CARGO, RBL 21, R/H CUSP HAS CORROSION ON NUMBEROUS AREAS, ALONG THE WHOLE LENGTH FROM THE SHEILD TO AFT BLKHD GROUNDED - YES. REMOVED AND REPLACED R/H TRANSITION IAW B737-800 SRM 53-00-53-2R-5 REPAIR 5 W= 3" O= 0.040" R= 0 L= 13' D= 0.040

Part: SHIELD — CORRODED (BS 470-500A) · corrosion level 2 · airframe 38,703 hrs · 11,282 cycles

FWD CARGO, RBL 21 BETWEEN 500-500A R/H SHEILD HAS CORROSION GROUNDED - YES. REMOVED AND REPLACED SHIELD IAW B737-800 SRM 51-40-02-0G-0W= 7'" O= 0.032 R= 0.025 L= 25" D= 0.007"

Part: SKIN — CRACKED (HORIZONTAL STAB) · airframe 38,703 hrs · 11,282 cycles

L/H HORIZONTAL LWR SKIN HAS A CRACK AT STA 101 APROX 11 INCHES FWD OF REAR SPAR GROUNDED - YES. REPAIRED L/H HORIZONTAL LOWER SKIN AT STA 101 APPROXIMATELY 11" FWD OF REARSPAR. THIS REPAIR IS A CATEGORY B REPAIR W/INSPECTION INTERVALS AS FOLLOWS: INSPECTION THRESHOLD OF 56,000 CYCLES & INTERVALS OF 9,000 CYCLES IAW B737-800 SRM 35-10-01-2R-11

Part: TRANSCEIVER — MALFUNCTIONED (NR 2 HF SYS) · airframe 38,622 hrs · 11,257 cycles

HF2 RADIO UNREADABLE. GROUNDED - YES. REMOVED AND REPLACED PER B737-800 AMM 23-11-21-000-801 GROUND VERIFICATION WAS SUCCESSFUL. NO DEFECTS NOTED OK FOR SERVICE.

Part: OIL COOLER — LEAKING (NR 2 IDG) · airframe 38,521 hrs · 11,222 cycles

FOUND OIL FILM ON #2 ENG INBOARD INNER TR HALF POSSIBLY COMING FROM IDG OIL COOLER. GROUNDED - YES. REMOVED AND REPLACED IDG OIL COOLER PER B737-800 AMM 24-11-21. PERFORMED IDLE POWER LEAK CHECK REF AMM TASK 71-00-00-700-801-F00, NO LEAKS NOTED, ETOPS GROUND VERIFICATION SUCCESSFUL.

Part: PUMP — FAILED (FUEL BOOST) · airframe 38,521 hrs · 11,222 cycles

NUMBER ONE MAIN FUEL TANK, AFT FUEL PUMP, LOW PRESSURE LIGHT ILLUMIINATED. RAN QRH PROCEDURE DUE TO LIGHT REMAINING ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED #1 MAIN FUEL AFT PUMP IAW B737-800 AMM 28-22-41. OPS CHECK GOOD. NO LEAKS NOTED AT THIS TIME.

Part: WIRE HARNESS — FAULTY (APU) · airframe 38,391 hrs · 11,186 cycles

NR 1 ENGINE WOULD NOT START, NO N2 ROTATION. GROUNDED - YES. REPLACED THE APU ENGINE WIRE HARNESS IAW AMM 49-11-01/401. OPS TESTED GOOD. STARTED THE NR 1 ENG WITH APU BLEED. NR 1 ENGINE STARTED NORMALLY. NO DEFECTS NOTED.

Part: HEAT EXCHANGER — LEAKING (NR 1 ENGINE) · airframe 38,386 hrs · 11,185 cycles

DURING #1 ENGINE START, NOTICED FUEL LEAKING FROM THE MAIN FUEL/OIL HEAT EXCHANGER. THE LEAKAGE RATE WAS A STEADY STREAM DURING INITIAL ENGINE START. AFTER ENGINE START IT WAS 5 DROPS A MINUTE. AFTER 5 MINUTES IDLE RUN ALL LEAKAGE STOPPED. GROUNDED - YES. REMOVED AND REPLACED #1 ENG MAIN OIL/FUEL HEAT EXCHANGER REF B737-800 AMM 79-21-02-000-801-F00 & AMM 79-21-02-400-801-F00. 5 MIN IDLE LK CK'D GOOD. NO LK'S NOTED.

Part: WARNING MESSAGE — ILLUMINATED (NR 1 ENGINE) · airframe 38,386 hrs · 11,185 cycles

#1 ENGINE EGT INDICATED 961 FOR 2 SECONDS CLIMBING THROUGH 1000 AGL AFTER 27K BUMP TAKEOFF. GROUNDED - YES. PERFORMED EGT SYS CHK IAW B737-800 AMM 77-21-01. NO FAULTS. ENG #1 EGT TEMPS: S1 24.7, S2 24.09, S3 24.53, S4 25.34. PERFORMED PNEUMATIC LEAK CK OF #1 ENG NO LEAKS FOUND. REF AMM 71-00-00. REMOVED BORO PLUGS 13, 15, & 17. REF AMM FIM 71-06 TASK 805. NO DAMAGE. ACCOMP HPT BORO INSP IAW B737-800 AMM 72-00-00-200-807-F00 DRV PAD LEAK CK GOOD. PERFORMED GAS PATH PURE WATER CLEANING OF #1 ENG. REF AMM 72-00-00-100-803. OP CK GOOD. PERFORMED BLEED CROSSOVER CK & PWR ASSURANCE CK, TESTS PASS REF B737-800 FIM 71-06 TASK 805. COMPLETED EGT INSPECTION NO DEFECTS REF AMM 71-00-00-800-804-F00.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 38,381 hrs · 11,184 cycles

EMERGENCY LIGHTS COMMON TO POWER SUPPLY M1676 INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHTS P/S M1676 IAW B737-800 AMM 33-51-06-960-806. OPS CHECKED GOOD.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 38,381 hrs · 11,184 cycles

EMERGENCY LIGHTS COMMON TO POWER SUPPLY M1673 BRIEFLY ILLUMINATETHEN DIE. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHTS POWER SUPPLY M1673 IAW B737 NG AMM 33-51-06 OPS CHECK GOOD.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 38,381 hrs · 11,184 cycles

EMERGENCY LIGHTS COMMON TO POWER SUPPLY M1673 BRIEFLY ILLUMINATETHEN DIE. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHTS POWER SUPPLY M1673 IAW B737 NG AMM 33-51-06 OPS CHECK GOOD.

Part: CONTROL PANEL — INOPERATIVE (COCKPIT) · airframe 38,179 hrs · 11,132 cycles

FO RADAR MANUAL TILT INOP. STUCK AT +15 AUTO TILT MODE WORKS FINE AND CAPT RADAR OPERATES IN BOTH MANUAL AND AUTO. GROUNDED - YES. REPLACED WX RADAR CONTROL PANEL REF B737-800 AMM 34-43-91-400-801. OPS CHECK NORMAL. CLEARS MEL 34-15D.

Part: WIRE HARNESS — FAULTY (NR 2 ENGINE) · airframe 37,848 hrs · 11,058 cycles

ON PERFORMING T/C 78273000 FOUND #2 ENG FAULT MSG 75-20832 THE T3 SIGNAL IS OUT OF RANGE. LONG TIME FAULT. GROUNDED - YES. T3 CH B SHOWED 0.25C, CH A SHOWED 116C. CH B WAS BELOW AMBIENT AIR TEMP. REMOVED AND REPLACED J10 HARNESS ON #2 ENGINE, REF B737-800 AMM 73-21-06-400-802-F00. OP CHECK GOOD, REF FADEC SYSTEM TEST AMM 73-21-00-700-802-F00. EEC FAULTS ERASED.

Part: CIRCUIT BREAKER — TRIPPED (PITOT HEAT) · airframe 37,664 hrs · 11,010 cycles

AFTER START, CAPT PITOT CAUTION LIGHT ILLUMINATED. GROUNDED - YES. FOUND CAPT PITOT HEAT CIRCUIT BREAKER OUT. RESET THE CIRCUIT BREAKER IAW SPM 20-60-01, CAPTS PITOT HEAT OPS NORMAL IAW AMM 30-31-00.

Part: START VALVE — STUCK (NR 2 ENGINE) · airframe 37,566 hrs · 10,984 cycles

#2 ENG NO START VALVE. GROUNDED - YES. REMOVED AND REPLACED START VALVE REF B737-800 AMM 80-11-03. OPS & LEAK CK GOOD. OK FOR SERVICE.

Part: WARNING LIGHT — INTERMITTENT (NR 2 GEN DRIVE) · airframe 37,546 hrs · 10,978 cycles

GEN 2 DRIVE LIGHT INTERMITTENT. GROUNDED - YES. CHANGED NR 2 IDG FILTER AND OIL IAW CARD NUMBER 78424000. NO DEBRIS FOUND. PERFORMED FIM 24-11 TASK 802 GENERATOR CONTROL UNIT BITE PROCEDURE, BITE CHECK PASSED. OPERATIONAL TEST FOR NR 2 IDG IAW AMM 24-11-00-700-803. GROUND VERIFICATION CHECKED NORMAL. NO DRIVE LIGHT NOTED DURING ENGINE OPERATION.

Part: APU — INOPERATIVE (APU BAY) · airframe 37,448 hrs · 10,954 cycles

AFTER LANDING, APU WILL NOT START AND FAULT LIGHT. GROUNDED - YES. REMOVED AND REPLACED APU IAW AMM 49-52-11 AND T/C 78349001. OPS CHECKED GOOD.

Part: INDICATOR — TRIPPED (APU OIL FILTER) · airframe 37,368 hrs · 10,933 cycles

FOUND APU LUBE FILTER HOUSING OIL FILTER INDICATOR EXTENDED. GROUNDED - YES. REMOVED AND REPLACED LUBE FILTER ELEMENT IAW AMM 49-91-12 AND REPLACED FILTER HOUSING DELTA INDICATOR IAW AMM 49-91-13. OPS CHECKED GOOD.

Part: LENS — DETACHED (EMERGENCY LIGHT) · airframe 37,326 hrs · 10,922 cycles

ROW 16 EMERGENCY EXIT SIGN FELL OFF. GROUNDED - YES. FOUND EXIT FLOOR LIGHTING LENS MISSING BY SEAT 16A. INSTALLED NEW LENS, OPS CHECK NORMAL.

Part: EEC — FAULTED (NR 2 ENGINE) · airframe 37,326 hrs · 10,922 cycles

#2 ENGINE FMC FAULT 75-20832 "T3 SIGNAL IS OUT OF RANGE" FOUND ON LEGS 0-10. LONG TERM FAULT. DEFFERED PER T/C 78273000. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE EEC PER B737-800 AMM 73-21-60-000-801-F00/73-21-60-400-801-F00. OPS CKS GOOD.

Part: SENSOR — FAULTED (NR 2 ENGINE) · airframe 37,261 hrs · 10,906 cycles

WHILE PERFORMING TASK CARD 78273000 HAD LONG TERM FAULT #2 ENGINE 75-20832 "THE T3 SIGNAL IS OUT OF RANGE". GROUNDED - YES. REMOVED PRECOOLER UPSTREAM DUCT REF AMM 36-12-01-000-801. REPLACED T3 SENSOR IAW AMM TASK 73-21-07-000/400-801-F00. PERFORMED EEC TEST IAW AMM 73-21-00-804-F00. EEC TEST PASSES. FAULT STILL SHOWS IN FAULT HISTORY. REINSTALLED PRECOOLER UPSTREAM DUCT REF AMM 36-12-01-400-802.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT TEMP) · airframe 37,209 hrs · 10,884 cycles

ZONE TEMP CONT CAB ILLUMINATES ON RECALL. GROUNDED - YES. RAN TEMP CONTROL BITE CHECK - #2 TEMP CONTROLLER HAS FLT DECK TRIM VALVE FAULT. RESET FAULT AND RAN BITE CHECK 3 TIMES - NO FAULTS NOTED REF B737-800 FIM 21-62 TASK 801.

Part: APU — FAULTY (APU BAY) · airframe 37,155 hrs · 10,869 cycles

APU CT5ATP EGT HAS SHIFTED ABOVE THE 593 DEGREE THRESHOLD AND REMAINS ABOVE THE 605 THRESHOLD. GROUNDED - YES. REMOVED AND REPLACED APU. REF AMM 49-11-00. OP CHECK GOOD.

Part: INDICATOR — INOPERATIVE (FUEL QTY) · airframe 36,977 hrs · 10,831 cycles

UNDER WING CENTER TANK FUEL QUANTITY INDICATOR INOP. GROUNDED - YES. REMOVED & REPLACED CENTER REFUEL QUANTITY INDICATOR REF B737-800 AMM 28-41-61 4 C/B OPEN & CLOSED OPS NORMAL.

Part: BLEED VALVE — LEAKING (NR 2 ENGINE) · airframe 36,959 hrs · 10,827 cycles

DURING AFTER TAKEOFF CHECK NOTED DUCT SPLIT 17L/40R AT 18,000 20L/40R AT 35,000 21L/38R #2 EGT 40-90' HIGHER THAN #1 DEPENDING ON PHASE OF FLIGHT #2 OIL PRESS 5-10 PSI HIGHER THAN #1, #2 FUEL FLOW HIGHER THAN #1. GROUNDED - YES. REMOVED AND REPLACED SENSE LINE - REMOVED AND REPLACED PRSOV REF. B737-800 AMM TASK 36-11-04-000-801 AND TASK 36-11-04-400-801 SUPPLIED BLEED AIR FROM THE APU AND LEAK CHECKED THE BLEED AIR SYSTEM NO LEAKS NOTED - SYSTEM OP'S NORMAL - REMOVED POWER FROM AIRCRAFT FOR OPENING AND CLOSING ENG. COWLS AND T/R.

Part: FMC — INTERMITTENT (NR 2) · airframe 36,936 hrs · 10,821 cycles

AFTER ENGINE START, NUMBER 2 FMC FAILED, RECOVERED AFTER APPROX 90 SECONDS. GROUNDED - YES. ACCOMPLISHED BITE ON R FMC, NO MSG NOTED. REMOVED AND REPLACED R FMC. OPS CHECK GOOD IAW B737-800 AMM 34-61-02.

Part: FMC — MALFUNCTIONED (RIGHT) · airframe 36,936 hrs · 10,821 cycles

AFTER ENGINE START, RIGHT FMC FAILED, RECOVERED AFTER APPROX 90 SECONDS. GROUNDED - YES. ACCOMPLISHED BITE ON RIGHT FMC. FOUND "WATCHDOG TIMER" MSG. PERFORMED BIT CHECK ON GPWC. NO FAULTS NOTED. OPS CHECK GOOD IAW B737-800 FIM 34-46 TASK 854.

Part: FMC — MALFUNCTIONED · airframe 36,875 hrs · 10,808 cycles

ON GRND POWER TRANSFER TO APU PWR, F/O ND VTK DISPLAYED FOR 45 SECONDS, PWR TRANSFER FROM APU GEN TO ENG GEN, F/O ND DISPLAYED VTK FOR 45 SECONDS, LIGHT EXTINGUISHES, NORMAL OPS. GROUNDED - YES. UPON ARRIVAL TO A/C NO VTK MSG DISPLAYED, C/W B737-800 FIM TASK 34-61 TASK 836 MSG DID NOT REAPPEAR AND ON OTHER DEFECTS NOTED.

Part: ACTUATOR — FAILED (AUTOPILOT) · airframe 36,797 hrs · 10,789 cycles

AUTOPILOT "A" FAILED. GROUNDED - YES. DUE TO HISTORY, REMOVED & REPLACED A/P AILERON ACTUATOR (A/P A) REF AMM 22-11-25. ALSO REPLACED HYDRAULIC PRESSURE SWITCH (NEW) REF AMM 22-11-40 AS PRECAUTIONARY. ACCOMPLISHED ALTERNATE DEACTIVATION PROCEDURE REF ASA MAINTENANCE PROGRAM CHAPTER 5, SECTION 5-07-01, TABLE 3, ITEM 1 & 4. REVERSED ALTERNATE DEACTIVATION PROCEDURE.

Part: TRANSCEIVER — FAILED (HF COMM) · airframe 36,741 hrs · 10,774 cycles

HF 1 SHOWING FAIL. GROUNDED - YES. REPLACED HF #1 TRANSCEIVER WITH SERVICEABLE ONE. ACCOMP INSTLN TEST, TEST PASS. ALSO ACCOMP HF COMM SYS OPS TEST PASS REF B737-800 FIM 23-11 TASK 801 & B737-800 AMM 23-11-21-400-801 & 23-11-00-710-801.

Part: EEC — UNKNOWN (LT ENGINE) · airframe 36,740 hrs · 10,772 cycles

T/O TEMP RT ENG 60 HIGHER THAN LEFT ENG. CRUISE TEMP RT 20 TO 30 HIGHER THAN LEFT. ALL PARAMETERS WITHIN LIMITS HOWEVER. GROUNDED - YES. PER B737-800 FIM 71-06 TASK 807, PERFORMED EEC BITE PROCEDURE PER FIM 73-00 TASK 801. #2 ENGINE, CHANNEL B T3 FAULT IS LOGGED (75-20832, T3 SIGNAL OUT OF RANGE) AND PROPERLY DEFERRED "PLT" ON L/P 12151554. NOTE THAT, PER SDS 73-21-00-008, THE EEC USES T3 DATA TO CONTROL THE HIGH PRESSURE TURBINE ACTIVE CLEARANCE CONTROL. WITH THAT DATA MISSING, THE EEC ALLOWS THE HPTACC A GREATER CLEARANCE BETWEEN TURBINE SHROUD AND CASE, RESULTING IN A PREDICTABLE INCREASE IN FUEL CONSUMPTION, CORRESPONDING W/ A HIGHER EGT FOR A GIVEN THRUST SETTING. AS A PRECAUTION, CHECKED THE ENGINE EXCEEDANCES PAGE W/ NO FINDINGS AND CHECKED #2 T3 INPUT MONITORING DATA, VERIFYING ITS INACCURACY. NO HISTORY PAST 30 DAYS.

Part: CONTROL VALVE — FAILED (LT A/C PACK) · airframe 36,692 hrs · 10,757 cycles

WHEN MASTER RECALL IS PUSHED, CONT CAB "ZONE TEMP" LIGHT ILLUMINATES. "ZONE TEMP" LIGHT EXTINGUISHES WHEN MASTER CAUTION LIGHT IS RESET. GROUNDED - YES. CONFIRMED FAULT, "CONT CAB ZONE" TEMP LIGHT COMES ON WHEN RECALL PRESSED. R/H PACK/ZONE TEMP CONTROLLER BITE SHOWS HARD FAIL "FLIGHT DECK" TCV (V143). REMOVED & REPLACED TCV REF B737-800 AMM 21-61-21, R/H PACK/ZONE TEMP CONTROLLER BITE TEST NML REF AMM 21-61-00-700-806-002. L/H PACK/ZONE TEMP CONTROLLER SHOWS NO FAULTS.

Part: PRESSURE SWITCH — INTERMITTENT (LT MLG WW) · airframe 36,692 hrs · 10,757 cycles

AUTOPILOT A FAILS TO ENGAGE. AUTOPILOT B WORKS NORMALLY. GROUNDED - YES. REMOVED AND REPLACED "A" SYSTEM AILERON AUTOPILOT ACTUATOR PRESSURE SWITCH, INSTALLATION TEST PASSED REF B737-800 AMM 22-11-40.

Part: PRESSURE SWITCH — INOPERATIVE (HYD SYSTEM) · airframe 36,571 hrs · 10,721 cycles

ON DEPARTURE "A" AUTOPILOT DISENGAGED AFTER 3-5 SECONDS. WOULD NO RE-ENGAGE AFTER MULTIPLE ATTEMPTS. GROUNDED - YES. REMOVED AND REPLACED A/P AILERON ACTUATOR "A" HYDRAULIC PRESSURE SWITCH IAW AMM 22-11-40. RESET 7 CBS HYD LEAK AND DFCS OP CHECKS GOOD. ACCOMPLISHED LAND VERIFY TEST REF AMM 22-11-00-700-801. ALL TESTS PASSED.

Part: SENSOR — OUT OF TOLERANCE (NR 2 CDT) · airframe 36,438 hrs · 10,690 cycles

WHILE PERFORMING T/C 78273000, FOUND MSG 75-20832 "T3 SIGNAL OUT OF RANGE". LONG TIME FAULT #2 ENGINE. GROUNDED - YES. DEFERRED PER T/C 78273000 FOR REPAIR WITHIN 450 FLT HOURS. REMOVED AND REPLACED THE #2 ENG T3 (CDT) SENSOR ASSY REF B737-800 AMM 73-21-07/401. OPERATIONAL TEST PASS AND B737-800 FIM 75-33 TASK 802 FAULT REPAIR CONFIRMATION SUCCESSFUL. THIS CLEARS PLT DIFFERAL.

Part: SENSOR — DEFECTIVE (NR 2 ENGINE) · airframe 35,428 hrs · 10,425 cycles

DURING COMPLETION OF T/C 78273000 FOUND LONG TIME FAULT 75-20832 "THE T3 SIGNAL IS OUT OF RANGE" #2 ENGINE. (ALL RECORDED LEGS INCLUDING 0). GROUNDED - YES. VERIFIED - REF AMM 73-21-07, REMOVED/REPLACED #2 ENG T3 SENSOR. OPS NML REF SAME - EEC TEST AND VERIFIED T3 A&B TEMP READINGS.

Part: SHIM — WORN (ENGINE #2) · airframe 35,092 hrs · 10,340 cycles

REF T/C 78472010, #2 ENG S/N 896760 DURING FAN BLADE LUBRICATION THE FAN BLADE SHIMS MOLYDAG COATING WAS FOUND WORN. GROUNDED - YES. INSTALLED NEW FAN BLADE SHIMS FOR #2 ENG REF T/C 78472010.

Part: STOP PIN — WORN (NR 2 ENGINE) · airframe 35,092 hrs · 10,340 cycles

REF TASK CARD # 78472010, #2 ENG S/N 896760 DURING FAN BLADE LUBRICATION THE RETAINING FLANGE AXIAL STOP PINS WERE FOUND WORN. GROUNDED - YES. INSTALLED NEW AXIAL STOP PINS IN THE AFT FACE OF THE RETAINING FLANGE REF B737-800 AMM 72-21-01-900-801-F00 STEP 2E(5).

Part: SPACER — DEBONDED (NR 2 ENGINE) · airframe 35,092 hrs · 10,340 cycles

REF T/C 78472010, #2 ENG S/N 896760 DURING FAN BLADE LUBRICATION THE #10 FAN BLADE SPACER ELASTOMER STRIP WAS FOUND DISBONDED. GROUNDED - YES. INSTALLED NEW #10 FAN BLADE SPACER FOR #2 ENG REF T/C 78472010.

Part: INDICATOR — FAILED (CENTER FUEL TANK) · airframe 35,071 hrs · 10,335 cycles

WING CENTER FUEL TANK GAUGE INOP. GROUNDED - YES. ACCOMPLISHED REMOVAL AND INSTALLATION OF WING CENTER FUEL TANK INDICATOR PER B737-800 AMM 28-41-61/401, OPERATIONAL CHECK GOOD. NO SPECIAL PROCEDURES TO REVERSE. PLACARD REMOVED. GROUND VERIFICATION SUCCESSFUL. 4 C/B OPENED, COLLARD, AND RESET.

Part: SENSOR — OUT OF TOLERANCE (NR 2 ENGINE) · airframe 34,971 hrs · 10,312 cycles

WHILE ACCOMPLISHING T/C 78273000 FOUND LONG TIME FAULT CODE. MSG NBR: 75-20832. THE T3 SIGNAL IS OUT OF RANGE. ENG #2. GROUNDED - YES. REMOVED AND REPLACED #2 ENG T3 SENSOR REF AMM 73-21-07 OPS NORMAL. THIS CLEARS PLT DEFERAL.

Part: COVER — BROKEN (EXIT SIGN) · airframe 34,971 hrs · 10,312 cycles

FA ADV. LIGHT COVER BROKE OFF. GROUNDED - YES. REMOVED AND REPLACED FWD FA ADV. SIGN LIGHT ASSY IAW AMM 33-51-01-960-802. ALTERNATE DEACTIVATION APPLIED AND REVERSED IAW MPM 5-07-01, TABLE 3 ITEM 1. OPS CKS GOOD.

Part: SKIN — CRACKED (RT HORIZ STAB) · airframe 34,957 hrs · 10,309 cycles

RT HORIZ LOWER SKIN HAS A CRACK STA 101.9 28 INCHES FROM L/E. GROUNDED - YES. REPAIRED 2EA. CRACKS AT STA 101.9 IAW SRM 55 10 01 2R 11 REPAIR IS A CAT B REPAIR WITH A THRESHOLD OF 56,000 CYCLES AND INSPECTION INTERVALS EVERY 9,000 CYCLES.

Part: SKIN — CRACKED (RT HORIZ STAB) · airframe 34,957 hrs · 10,309 cycles

RT HORIZ LOWER SKIN HAS A CRACK AT STA 715, 27 IN. AFT OF FRONT SPAR. GROUNDED - YES. REPAIRED CRACK AT STA 175 IAW SRM 55 10 01 2R 11 REPAIR IS A CATEGORY B REPAIR WITH A THRESHOLD OF 56,000 CYCLES AND INSPECTION INTERVALS EVERY 9,000 CYCLES.

Part: CONTROL VALVE — STUCK (AC BAY) · airframe 34,499 hrs · 10,193 cycles

DURING PRE-TAXI CHECK WITH LEFT PACK RUNNING AND RIGHT PACK OFF RIGHT PACK LIGHT ILLUMINATED. ALL BLEED SWITCHED ON, ISO VALVE AUTO, TEMP SELECTORS WARM. GROUNDED - YES. REMOVED, INSPECTED & REINSTALLED RIGHT PACK TRIM AIR CHECK VALVE. NO DEFECTS NOTED. ISOLATED TO RIGHT PACK FCSOV NOT FULLY CLOSING. REMOVED & REPLACED RIGHT PACK FCSOV. OP CK NORMAL. REF FIM 21-62 TASK 856, AMM 21-51-01-000-805-002 & 21-51-01-400-802-002.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 34,499 hrs · 10,193 cycles

RIGHT PACK LIGHT ILLUMINATED UPON RECALL. GROUNDED - YES. ACCOMPLISHED PACK TEMP CONTROL - BITE PROCEDURE FOUND RAM AIR SENSOR FAULT PER FIM 21-62 TASK 801. CLEARED FAULT, OPS CK NORMAL NO FAULTS FOUND.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 34,440 hrs · 10,175 cycles

WHILE AT CRUISE AT 38,000, OUTSIDE AIR TEMP -49, LEFT SIDE (L2) WINDOW OVERHEAT, COMPLIED WITH QRH, LIGHT STAYED EXTINGUISHED. GROUNDED - YES. RESISTANCE CKS WINDOW TEMP SENSOR & HEAT FILM NORMAL REF AMM 30-41-21. WINDOW HEAT OPERATIONAL TEST NORMAL REF AMM 30-41-00.

Part: SPACER — DEBONDED (NR 1 ENGINE) · airframe 34,357 hrs · 10,155 cycles

PER TC 78472010 FAN BLADE LUBRICATION NR 1 ENGINE SPACER NR 21 AND NR 24 ARE DISBONDED. GROUNDED - YES. REMOVED & REPLACED NR 21 & NR 24 SPACERS ON NR 1 ENGINE REF TC 78472010.

Part: SATCOM — LOCKED (COCKPIT) · airframe 34,363 hrs · 10,156 cycles

SAT COMM LOCK-UP ON PWR TRANSFER FROM GROUND TO APU OR APU TO ENG GENERATORS. NOTICED BEFORE GATE WAY FIX. GROUNDED - YES. FOLLOWED QRH, OPS CHECK GOOD.

Part: UNKNOWN — MALFUNCTIONED (WEATHER RADAR) · airframe 34,286 hrs · 10,138 cycles

WX RADAR AUTO MODE ON CA ND SHOWS ERRONEOUS RETURNS/CLUTTER. AUTO MODE ON FO ND SHOWS CORRECT, DISPLAYS MAN MODE ON BOTH CA & FO ND SHOWS CORRECT DISPLAY. GROUNDED - YES. RAN SYSTEM TEST REF AMM 34-43-00. SYSTEM OPS CHECKS GOOD NO DEFECTS NOTED AT THIS TIME. THIS CLEARS MEL 34-15H.

Part: SATCOM — MALFUNCTIONED (COCKPIT) · airframe 34,013 hrs · 10,072 cycles

UNABLE TO USE SATCOM 1 AND 2 FOR PHONE PATCH TO MEDLINK. A/C SATCOM RADIO TRANSMISSION RECEIVED BUT UNABLE TO HEAR AUDIO ON AIRPLANE HEADSET. SATCOM DATALINK APPEARS TO WORK OKAY. GROUNDED - YES. ON DEFERRAL.

Part: FMC — MALFUNCTIONED (COCKPIT) · airframe 33,672 hrs · 9,983 cycles

APPROX 35 MIN AFTER T.O. AND LEVEL AT FL 360 RECEIVED A "DESCENT FORECAST WINDS" MESSAGE ON FO'S FMC. FOLLOWED BY CWS ON BOTH CAPT AND FO'S PFD FOLLOWED BY "MAP" ON FO'S PDF. "VTK" MESSAGE WAS NEVER DISPLAYED. COMPLETED QRH FOR FMC FAIL AND BOTH FMC'S RETURNED TO NORMAL OPERATION. GROUNDED - YES. INFO NOTED, SYSTEM HAS RESET AND CHECKS GOOD PER AMM 34-61-00-710-801, NO HISTORY LAST 30 DAYS.

Part: FUEL NOZZLE — FAILED (APU) · airframe 33,474 hrs · 9,922 cycles

PER SEAMC APU CT5ATP IS BETWEEN 605-632C. GROUNDED - YES. REMOVED AND REPLACED APU FUEL NOZZLES, REF AMM 49-31-14, OPS CHECK GOOD, APU EGT WITHIN OPERATING LIMITS.

Part: O-RING — LEAKING (IDG VALVE CAP) · airframe 33,197 hrs · 9,835 cycles

EVIDENCE OF OIL LEAK FOUND UNDER #2 ENG. GROUNDED - YES. FOUND LEAK AT #2 IDG VALVE CAP. REMOVED AND REPLACED O-RING. RAN ENGINE AT IDLE 5 MINS NO LEAKS NOTED.

Part: BLEED VALVE — INOPERATIVE (APU) · airframe 33,197 hrs · 9,835 cycles

DURING START #1 ENG GOT TO 12% N2 AND STAGNATED. WE STOPPED THE START. TRIED AGAIN AND GOT NO ROTATION. GROUNDED - YES. VERIFIED BLEED AIR INOP. REMOVED AND REPLACED THE INLET PRESSURE SENSOR (P2) REF B737-800 AMM 49-52-31 AND INSPECTED PER TSR. REMOVED AND REPLACED THE TOTAL PRESSURE SENSOR (T4) REF AMM 49-52-32 AND INSPECTED PER TSR. REMOVED AND REPLACED DELTA PRESSURE SENSOR 40-52-33 AND INSPECTED PER TSR. AS A PRECAUTION ALSO REMOVED AND REPLACED THE APU BLEED AIR VALVE REF AMM 49-52-11. OPS CHECK GOOD.

Part: CONTROLLER — MALFUNCTIONED (CABIN PRESSURE) · airframe 33,019 hrs · 9,784 cycles

CABIN PRESSURIZATION CONTROLLER CONTINUOUSLY BLINKS WHEN LIGHTS SWITCH IS IN DIM MODE. DIGITAL READOUT DOES NOT DIM EITHER. GROUNDED - YES. KNOWN ANOMALLY. PULLED & RESET 5 EA PRESS C/B'S. OPS CHECK PRESS SYS & IT'S PNL LIGHTING GOOD. REF B737--800 FIM 21-31 TASK 803.

Part: ACTUATOR — FAILED (RAM AIR DOOR) · airframe 32,892 hrs · 9,747 cycles

LEFT PACK LIGHT ILLUMINATED DURING TAXI IN. RESET WITH MASTER CAUTION. GROUNDED - YES. FOUND LT RAM DOOR ACTUATOR FAILED. REMOVED AND REPLACED LT RAM DOOR ACTUATOR IAW AMM 21-51-21. OPS CHECK AND GROUND VERIFICATION GOOD IAW AMM 21-61-00-700-806-002.

Part: FILTER ELEMENT — LEAKING (APU) · airframe 32,811 hrs · 9,723 cycles

ON WALK AROUND FOUND OIL DRIPPING FROM APU DRAIN TUBE. GROUNDED - YES. CLEANED OIL FROM APU AND RAN, FOUND OIL LEAKING FROM LUBE FILTER ELEMENT BOWL. REMOVED BOWL AND FOUND BOWL O-RING BAD. INSTALLED NEW OIL FILTER AND PACKING. RAN APU FOR 30 MINUTES NO DEFECTS NOTED. REF B737-800 AMM 49-91-12. OK FOR SERVICE. APU SERVICED TO FULL. RAN APU FOR AN ADDITIONAL HOUR PER ETOPS MANUAL PER 05-00-11.

Part: ACTUATOR — INTERMITTENT (RAM AIR) · airframe 32,813 hrs · 9,724 cycles

LEFT PACK LIGHT ILLUMINATED. EXTINGUISHES AFTER MASTER CAUTION RESET. GROUNDED - YES. PERFORMED PZTC BITE FOUND FAULT RAM AIR ACT NR 1 PACK. REF FIM 21-62 TASK 837 FAULT CLEARED ON VERIFY RAM AIR ACTUATOR TEST PASSES REF AMM 21-51-21-740-001.

Part: CONTROL MODULE — FAILED (COCKPIT) · airframe 32,807 hrs · 9,721 cycles

PRESSURIZATION MODE CONTROL LAND ALT DIGITS FAILING. GROUNDED - YES. REMOVED AND REPLACED CABIN PRESSURE CONTROL MODULE, CABIN PRESSURE CONTROL SYSTEM OPS CK GOOD REF AMM TASK 21-31-00.

Part: FILTER ELEMENT — LEAKING (APU) · airframe 32,791 hrs · 9,714 cycles

STARTED APU AND BLUE MAINT LIGHT ILLUMINATED. GROUNDED - YES. FOUND OIL LEAKAGE AT LUBE FILTER HOUSING REF AMM 49-16-11. REMOVED AND REPLACED LUBE FILTER ELEMENT WITH NEW PACKING, OIL LEAK CHECK GOOD REF AMM 49-91-12. PERFORMED APU BITE PROCEDURE NO MAINT MSG ON CDU PAGE REF FIM 49-60 NR 801. APU STARTED NORMAL - NO BLUE LIGHT NOTED REF AMM 49-11-00.

Part: OIL FILTER — CLOGGED (APU) · airframe 32,784 hrs · 9,712 cycles

DURING TASKCARD N8349002, APU GVI, FOUND DELTA PRESSURE SENSOR ON OIL FILTER EXTENDED. GROUNDED - YES. REMOVE AND REPLACED APU OIL FILTER PER AMM 49-91-13-600-801. OPS CHK GOOD.

Part: SATCOM — MALFUNCTIONED (COCPIT) · airframe 32,764 hrs · 9,708 cycles

UNABLE TO TRANSMIT ON EITHER SATCOM. TRIED FROM BOTH RADIO SELECTOR PANELS. CONNECTED AND RCVD FINE. GROUNDED - YES. ON DEFERRAL. UNABLE TO DUPLICATE DEFECT. PERFORMED SATCOM ADJUSTMENT/TEST PER AMM 23-15-00-730-801 - ALL TESTS PASS FOR SAT-1 AND SAT-2. CLEARS MEL 23-18.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 32,731 hrs · 9,695 cycles

ON DESCENT THROUGH 20000FT LEFT PACK LIGHT ILLUMINATED, FOLLOWED QRH- LIGHT EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED BITE CHECK OF PACK/ZONE TEMP CTRL. NR 1 PZTC LOGGED "RAM AIR ACT" LAST FLIGHT, REF AMM 21-51-00, FAULT RESET.

Part: CONTROL MODULE — DEFECTIVE (COCKPIT) · airframe 32,725 hrs · 9,693 cycles

FLT ALT WINDOW IS INTERMITTENT. NOT ABLE TO CHANGE DISPLAYED WITH FLIGHT ALT KNOB. GROUNDED - YES. REMOVED AND REPLACED CABIN PRESSURE CONTROL MODULE PER AMM 21-31-02. OPS CHECKED NORMAL.

Part: COFFEEMAKER — INOPERATIVE (GALLEY) · airframe 32,666 hrs · 9,672 cycles

UPPER FWD COFFEE MAKER MADE POPPING NOISES AND EMITTED A BURNING SMELL IDENTIFIED AS SOMETHING OTHER THAN COFFEE TURNING THE COFFEE MAKER OFF RESOLVED THE ISSUE. GROUNDED - YES. SMELL ORIGINATED FROM A SINGLE COFFEE MAKER 1-1 NO SMOKE REPORTED REMOVED COFFEE MAKER AND GVI'D WIRING AND AREA BEHIND COFFEE MAKER INSTALLED NEW COFFEE MAKER REF AMM 25-32-01 OPS NORMAL AND GVI FOUND NO DEFECTS.

Part: CONTROLLER — MALFUNCTIONED (AC BAY) · airframe 32,653 hrs · 9,669 cycles

DURING RECALL CONT CAB ZONE TEMP ANNUNCIATOR ILLUMINATES -EXTINGUISHES AFTER MASTER CAUTION RESET. GROUNDED - YES. NO HISTORY 30 DAYS. PERFORMED BITE TEST OF ZONE/TEMP CONTROLLER REF AMM 21-61-00. INITIAL TEST SHOWS FLT DECK TRIM VALVE. RESET CONTROLLER, RERAN BITE TEST, SHOWS NO FAULTS AT THIS TIME.

Part: FILTER ELEMENT — DEFECTIVE (NR 2 ENGINE) · airframe 32,607 hrs · 9,656 cycles

UPON INSPECTION OF NR 2 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH, FOUND OIL SUPPLY FILTER DPI EXTENDED. GROUNDED - YES. PER FIM TASK 79-00-00-200-805-F00 EXAMINED NR 2 ENGINE CHIP DETECTORS AND OIL SUPPLY FILTER. NO CONTAMINATION FOUND. INSTALLED NEW OIL FILTER REF AMM 79-21-03 AND RESET DPI. ENGINE IDLE LEAK CK GOOD. DPI REMAINED RESET.

Part: PRESSURE SWITCH — FAILED (NR 2 ENGINE) · airframe 32,607 hrs · 9,656 cycles

AFTER START NR 2 ENGINE FUEL FILTER BYPASS LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED FIM 73-05 TASK 801. NR 2 ENG BITE TEST SHOWS FAULT CODE 73-31072. THE FUEL FILTER SIGNALS DISAGREE. REMOVED AND REPLACED NR 2 ENG FUEL FILTER DIFFERENTIAL PRESSURE SWITCH REF AMM 73-34-01. OPS CHECK NORMAL

Part: PUMP — LEAKING (NR 2 ENGINE) · airframe 32,482 hrs · 9,616 cycles

BEFORE PERFORMING LEAK CHECK FOR TC 78472040 FOUND PUDDLE OF FUEL UNDER NR 2 ENGINE. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENGINE MAIN FUEL PUMP PER AMM 73-11-01-000-801-F00 AND AMM 73-11-01-400-801-F00. OPS AND LEAK CHECKED GOOD. NO FAULT NOTED.

Part: WARNING LIGHT — FALSE ACTIVATION (WINDOW HEAT) · airframe 32,118 hrs · 9,513 cycles

LEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. ACFT GROUNDED. RAN QRH, OVERHEAT LIGHT EXTINGUISHED AND STAYED EXTINGUISHED.

Part: PROBE — OUT OF TOLERANCE (FUEL TANK) · airframe 31,672 hrs · 9,388 cycles

WHILE ACCOMPLISHING T/C NG-28FCD-18088-1, FOUND PROBES F1L AND F9L OUT OF CAPACITANCE LIMITS ON THE LT WING. GROUNDED - YES. REMOVED AND REPLACED F1L AND F9L PROBES REF AMM 28-41-21/401. LEAK CHECK GOOD.

Part: PROBE — OUT OF TOLERANCE (FUEL TANK) · airframe 31,672 hrs · 9,388 cycles

WHILE ACCOMPLISHING T/C NG-28FCD-18090-1 FOUND PROBE F3R OUT OF CAPACITANCE LIMITS ON THE RT WING. INIT MIG-2C S/N 40-0018741. GROUNDED - YES. REMOVED AND REPLACED F3R PROBE REF AMM 28-41-21/401. LEAK CHECK GOOD.

Part: FASTENER — MISSING (NR 2 ENGINE) · airframe 31,541 hrs · 9,346 cycles

NR 2 ENGINE INBD STRUT FAIRING HAS MISSING HARDWARE ON LOWER SIDE 9OCLOCK POSS. GROUNDED - YES. INSTALLED MISSING SCREW FOR STRUT FAIRING AT 9 O'CLOCK POSITION, REF AMM 72-23-02.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 31,518 hrs · 9,335 cycles

EMERGENCY LIGHT EXIT SIGN, L1 DOOR HAD SEVERAL LAMPS INOPERATIVE. ACFT GROUNDED. REPLACED THE LAMPS AND TESTED IAW AMM 33-51-01-960-801. OPS NORMAL.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 31,518 hrs · 9,335 cycles

EXTERIOR EMERGENCY LIGHT, SLIDE LIGHT AT THE L2 DOOR WERE INOPERATIVE. ACFT GROUNDED. REPLACED THE LAMPS AND TESTED IAW AMM 33-51-04-960-801. OPS NORMAL..

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 31,486 hrs · 9,329 cycles

OVERWING EXIT DOORS LT & RT EMERGENCY EXIT LIGHTS WILL NOT STAY ON FOR 15 MINUTES. ACFT GROUNDED. R & R THE BATTERY PACK. OPS CHECKED GOOD.

Part: BLADE — DAMAGED (NR 2 ENG FAN) · airframe 31,232 hrs · 9,253 cycles

WHILE ACCOMPLISHING T/C 78472002 ON THE NR 2 ENGINE STEP 34. FOUND FAN BLADE 14 MISSING CU-NI-IN COATING OUT OF LIMITS. ACFT GROUNDED. REMOVED AND REPLACED THE NR 14 AND 2 FAN BLADES IAW TC 78472002.

Part: WARNING MESSAGE — FALSE ACTIVATION (NR 1 HF SYSTEM) · airframe 30,722 hrs · 9,099 cycles

NR 1 HF DISPLAYED FAILED. ACFT GROUNDED. PERFORMED A BITE ON THE NR 1 HF, NO FAULTS FOUND IAW FIM 23-11 TASK 801. PERFORMED AN OPS CHECK OF THE NR 1 HF, OPS NORMAL IAW AMM 23-11-00. GROUND VERIFICATION SUCCESSFUL.

Part: SATCOM — MALFUNCTIONED · airframe 30,689 hrs · 9,090 cycles

TRIED TO TRANSMIT ON BOTH SATCOM RADIOS WITHOUT SUCCESS. KEPT GETTING RECORDED MESSAGE STATING IT WASN'T A TOLL FREE CALL. COULD NOT COMPLETE CALL TO DISPATCH. DISPATCH TRIED TO CALL US AND COULD NOT CONNECT. ACFT GROUNDED. PERFORMED SATCOM COMMUNICATION SYSTEM TEST IAW AMM 23-25-00, STEPS 1, AND 2. BOTH INCOMING AND OUTGOING CALLS WERE LOUD AND CLEAR. ACFT OKAY FOR CONTINUED SERVICE.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 30,602 hrs · 9,068 cycles

LT SLIDER WINDOW HEAT O/H LIGHT ILLUMINATED. GROUNDED - YES. RELEASED PER MEL 30-11E. LT 2 WINDOW HEAT INOP. REMOVED EN-ROUTE PLACARD LT WINDOW PIGGY TAIL AND RAN WINDOW HEAT ON GROUND FOR SEVERAL HOURS-NO FAULTS NOTED. NO HISTORY LAST 30 DAYS. OK FOR CONTINUED SERVICE REF B737-800 AMM TASK 30-41-00-200-801.

Part: PIN — MIGRATED (NR 1 ENGINE) · airframe 30,524 hrs · 9,048 cycles

NR 1 ENGINE 9 O'CLOCK POSITION THIRD STAGE VSV SLAB HEAD PIN ROTATED 90 DEGREES WITH MIGRATION AND MATERIAL WEDGED BEHIND THE PIN BEYOND LIMITS IAW TC SBCFM56-7B-72-0986-1, STEP 7B. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE IAW TC 78471000 AND 78471001. ACCOMPLISHED EA PWRPL-71EA-11276.

Part: IDG — LEAKING (NR 2) · airframe 30,259 hrs · 8,972 cycles

NR 2 IDG FREQUENT SERVICING. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 ENGINE IDG IAW AMM 24-11-11-000-801, AND AMM 24-11-11-400-801. ACCOMPLISHED TESTS FROM POWERPLANT TEST TABLE. TEST 3A. LEAK CHECKED GOOD. INSTALLATION TEST OPS CHECKED GOOD.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 30,241 hrs · 8,967 cycles

LEFT SIDE WINDOW OVERHEAT ILLUMINATED GROUNDED - YES. PERFORMED QRH PROCEDURE AND SYS RESTORED TO NORMAL.

Part: VALVE — FAULTED (TRIM) · airframe 30,143 hrs · 8,945 cycles

ZONE TEMP LIGHT FOR CONTROL CABINE ILLUMINATES WHEN MASTER CAUTON RECALL IS PRESSED. ZONE TEMP FOR CONTROL CABIN EXTINGUISHES WHEN MASTER CAUTION RESET IS PRESSED. FAULT CODE 216 22400. ACFT GROUNDED. FLT DECK TRIM VALVE FAULT NR 2 ZONE TEMP CONTROLLER. RESET & TESTS NORMAL IAW FIM 21-62, TASK 832.

Part: WARNING MESSAGE — FALSE ACTIVATION (NR 2 HF SYS) · airframe 29,765 hrs · 8,835 cycles

NR 2 HF RADIO INDICATES FAILED IN BOTH WINDOWS. ACFT GROUNDED. CYCLED POWER TO THE NR 2 HF COMMS & BITE CHECKED IAW AMM 23-11 TASK 806. NO FAULTS FOUND, FAULT MESSAGE CLEARED. GROUND VERIFICATION SUCCESSFUL. NO HISTORY PAS 30 DAYS.

Part: UNKNOWN — UNKNOWN (CABIN PRESSURE) · airframe 29,748 hrs · 8,828 cycles

AT FL380, CABIN DIFF PSI 8.5 PSI CABIN ALT 7000 FT, 8.5 PSI IS IN YELLOW BAND, AND 7000 FEET CABIN ALTITUDE IS 1000 FEET LOWER THAN CHART. ACFT GROUNDED. BITE OF BOTH CABIN PRESSURE CONTROLLERS, NO CURRENT OR PRIOR FAULTS. VERBAL FROM CREW, NO OTHER ABNORMALITIES WITH PACKS OR PRESSURE. PERFORMED IAW FIM 21-31 TASK 816 AND GVI OF OUTFLOW VALVE, NORMAL. GROUND VERIFICATION SUCCESSFUL.

Part: WARNING LIGHT — FALSE ACTIVATION (WINDOW HEAT) · airframe 29,688 hrs · 8,816 cycles

LEFT SIDE WINDOW HEAT LIGHT ILLUMINATED IN FLIGHT AT FL380. RAN QRH AND LIGHT WENT OUT. ACFT GROUNDED. PERFORMED FIM 30-41, TASK 801. BITE TESTED OK. NO HISTORY.

Part: FMC — MALFUNCTIONED · airframe 29,370 hrs · 8,725 cycles

NUMBER 1 FMC FAILED AND WOULD NOT RESTORE. FMC SWITCH BOTH ON 2. ACFT GROUNDED. PERFORMED FIM 34-61-00-810-801. WHILE TROUBLESHOOTING, FOUND BOTH FMC HAD STORED LAST KNOWN GPS POSITION. PERFORMED MANUAL INPUT OF CURRENT POSITION. NO OTHER FAULTS NOTED AT THIS TIME. OPS CHECKED NORMAL.

Part: CONTROL VALVE — FAILED (LEFT ECS BAY) · airframe 29,247 hrs · 8,694 cycles

ON M/C RECALL CONT CAB TEMP AND AIR COND MASTER CAUTION LTS ILLUMINATE. BOTH LTS EXTINGUISH WHEN MASTER CAUTION PANEL RESET. GROUNDED - YES. RELEASED PER MEL 21-21F FLIGHT DECK TEMP CONTROLLER SYSTEM INOO. ACCOMPLISHED PACK/ZONE TEMPERATURE CONTROLLER BITE TEST PER B737-800 AMM 21-61-00-700-806-002. #2 CONTROLLER FAULTED FLT DECK TRIM VLV FAILED. REMOVED AND REPLACED TRIM AIR MODULATING VALVE (CONTROL COMPARTMENT) LEA CHECK, NO LEAK NOTED. REF AMM 21-61-21. RE-ACCOMPLISHED PACK ZONE TEMP CONTROL BITE NO FAULTS.

Part: GASKET — LEAKING (NR 2 IDG) · airframe 29,052 hrs · 8,638 cycles

NR 2 ENGINE GENERATOR DRIVE LIGHT ILLUMINATED IN FLIGHT. ACCOMPLISHED QRH PROCEDURE. ACFT GROUNDED. CREW DISCONNNECTED THE NR 2 IDG. SERVICED THE NR 2 IDG IAW AMM 12-13-21. CONNECTED IDG AND RAN THE RN 2 ENGINE. VOLTS AND FREQUENCIES GOOD. OIL LEAK DISCOVERED AT BOTTOM OF SIGHT GLASS IAW AMM 24-11-00. REMOVED AND REPLACED INNER AND OUTER NR 2 IDG SIGHT GLASS GASKETS IAW CMM 24-11-85. OPS AND LEAK CHECKED GOOD IAW AMM 24-11-00-700-803.

Part: LENS — DETACHED (EXIT SIGN) · airframe 28,886 hrs · 8,594 cycles

AFT EXIT LIGHT COVER A/C LEFT FELL OFF. GROUNDED - YES. REPLACED LENS ON L2 DOOR INTERIOR EMERGENCY EXIT SIGN LIGHT, OP CHECK GOOD REF AMM 33-51-01.

Part: IDG — FAILED (NR 2) · airframe 28,875 hrs · 8,592 cycles

NR 2 GEN WOULD NOT COME ON LINE AFTER ENG START. ACFT GROUNDED. REMOVED AND REPLACED MAGNETIC SEAL IAW AMM 72-60-00-000-801-F00 AND AMM 72-60-00-400-801-F00. LEAK CHECKED GOOD. REMOVED AND REPLACED THE NR 2 ENG IDG IAW AMM 24-11-11-401. OPS AND LEAK CHECKED GOOD.

Part: CONTROL VALVE — FAILED (LT A/C PACK) · airframe 28,862 hrs · 8,584 cycles

AFTER TAKEOFF, LEFT PACK LIGHT CAME ON WITH NO MASTER CAUTION. RAN CHECKLIST AND LIGHT STAYED ON. AFTER TESTING THE LIGHTS TEST LEFT PACK LIGHT WENT OUT. ADVISED MAINTENANCE, WAS ADVISED TO REPLACE THE LAMP. AFTER RELAMP OF LEFT PACK LIGHT, PACK LIGHT STAYED OUT. PUSHED THE MASTER CAUTION AND LEFT PACK LIGHT CAME ON BUT WENT OUT WHEN MASTER CAUTION PUSH TO RESET WAS PRESSED. ACFT GROUNDED. REMOVED AND REPLACED THE LT PACK TEMP CONTROL VALVE, LEAK AND OPS CHECK NORMAL IAW AMM 21-51-10. GROUND VERIFICATION CHECK GOOD.

Part: LENS — DETACHED (EMERGENCY LIGHT) · airframe 28,755 hrs · 8,551 cycles

EXIT LIGHT LENS AT THE L2 DOOR DETACHED. ACFT GROUNDED. SECURED THE LENS OK FOR SERVICE.

Part: CONTROL VALVE — FAULTED (LT A/C PACK) · airframe 28,587 hrs · 8,501 cycles

LEFT PACK LIGHT ILLUMINATED IN FLIGHT AND EXTINGUISHED. ACFT GROUNDED. PERFORMED A PACK ZONE TEMERATURE CONTROL BITE TEST IAW AMM 21-61-00-700-806-002, FAULTED LEFT PACK TCV. REMOVED LEFT PACK TCV IAW AMM 21-51-10-000-801, AND INSTALLED IAW AMM 21-51-10-400-801. GROUND VERIFICATION TEST PERFORMED IAW AMM 21-51-10-860-006, AND AMM 21-61-00-700-806-002. ALL TESTS PASSED.

Part: START VALVE — FAILED (NR 2 ENGINE) · airframe 27,940 hrs · 8,313 cycles

NR 2 ENGINE WOULD NOT START, NO START VALVE OPEN LIGHT, AND NO N2 ROTATION. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 ENGINE START VALVE IAW AMM 80-11-03. OPS AND LEAK CHECKED GOOD.

Part: FMC — MALFUNCTIONED (LEFT) · airframe 27,900 hrs · 8,299 cycles

LEFT FMC IS INOPERATIVE, KEEPS RESETTING. ACFT GROUNDED. UNABLE TO DUPLICATE DEFECT. FMCS BITE IAW FIM 34-61, TASK 801 AND FIM 34-61, TASK 837 SHOWED NO FAULTS LOGGED BY EITHER FMC FOR LAST TEN LEGS. PERFORMED FMC SOFTWARE CONFIGURATION CHECK IAW AMM 34-61-00-750-801, AND FMCS OPERATIONAL TEST IAW AMM 34-61-00-710-801 - ALL TESTS PASSED.

Part: WINDOW — WARNING LIGHT (HEAT SENSOR) · airframe 27,816 hrs · 8,277 cycles

RIGHT FWD WINDOW OVERHEAT LIGHT ILLUMINATED. ACFT GROUNDED. REMOVED THE R1 WINDOW IAW AMM 56-11-11-400-801 AND REINSTALLED IAW AMM 56-11-11-400-821. WINDOW OPS CHECKED GOOD IAW AMM 30-41-00. WINDOW PRESSURE LEAK TESTED GOOD IAW AMM 05-51-91-790-801. ACFT RELEASED.

Part: WARNING LIGHT — FALSE ACTIVATION (R1 WINDOW) · airframe 27,800 hrs · 8,273 cycles

RIGHT FWD WINDOW OVERHEAT LIGHT ON. DID NOT RESET WITH QRH PROCEDURES. ACFT GROUNDED. PERFORMED FIM 30-41, TASK 801 WHCU BITE CHECK SHOWS SENSOR FAULT. ACCOMPLISHED FIM 30-41 TASK 812 POSITIONED SENSOR SWITCH TO ALTERNATE POSITION OVERHEAT LIGHT EXTINGUISHED WHCU BITE SHOW NO FAULTS A/C OK FOR SERVICE.

Part: OIL COOLER — LEAKING (NR 1 IDG) · airframe 27,563 hrs · 8,200 cycles

NR 1 ENGINE IDG AIR/OIL COOLER LEAKING. ACFT GROUNDED. REPLACED THE OIL COOLER IAW AMM 24-11-21. LEAK CHECKED GOOD.

Part: FMC — MALFUNCTIONED (FIRST OFFICER'S) · airframe 27,550 hrs · 8,194 cycles

DURING CRUISE AT FL350, THE FIRST OFFICER`S FMC (CDU) SCREEN BLACKED OUT. BOTH FMC'S APPEAR TO OPERATE NORMALLY. THERE WERE NO SCRATCHPAD MESSAGES. THE FLIGHT WAS CONTINUED USING THE CAPTAINS SIDE FMC, CDU. ACFT GROUNDED. PERFORMED INITIAL EVALUATION IAW FIM 34-61, TASK 804. NO DEFECTS NOTED. PERFORMED REPAIR CONFIRMATION. OPS CHECKED GOOD. NO HISTORY.

Part: FLOORBEAM — GOUGED (BS 540) · airframe 27,497 hrs · 8,175 cycles

FLOORBEAM UPPER SHIM HAS DEEP GOUGES. ACFT GROUNDED. REMOVED AND REPLACED THE FLOORBEAM TEE IAW SRM 51-40-02, AND DWG 143A5240.

Part: WEB — CORRODED (DOOR SILL) · corrosion level 2 · airframe 27,497 hrs · 8,175 cycles

AFT CARGO DOOR CUTOUT LOWER SILL WEB CORRODED BETWEEN BS 800 AND 847, STRINGERS 25 AND 26R. ACFT GROUNDED. REMOVED CORROSION IAW SRM 53-60-15-1A-1. FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1. REMOVED DAMAGED WEB IAW SRM 51-40-02 AND REPLACED IAW DWG 146A8340, REV-.

Part: FLOOR SUPPORT — CRACKED (BS 294) · airframe 27,497 hrs · 8,175 cycles

CABIN FLOOR SUPPORT BS 294.5, BL 0. SCREW HOLE CRACKED. ACFT GROUNDED. REPLACED THE FLOOR SUPPORT IAW DWG 141A5400, AND SRM 51-41-02.

Part: FLOOR SUPPORT — CRACKED (BS 344-360) · airframe 27,497 hrs · 8,175 cycles

CABIN FLOOR SUPPORT BS 350. LBL 11 CRACKED. ACFT GROUNDED. REPLACED THE FLOOR SUPPORT IAW DWG 141A5400, REV A.

Part: SKIN — DENTED (BS 307) · airframe 27,497 hrs · 8,175 cycles

DENT FOUND ON THE FUSELAGE SKIN AT BS 307, STINGER 22R. ACFT GROUNDED. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-01-1A-1 FIGURE 103, DETAIL G. REMOVED DAMAGED SKIN AND ACCOMPLISHED HFEC INSPECTIONS IAW NDTM 53-00-01, PART 6 PROCEDURES 16 AND 23, NO CRACK INDICATIONS. ACCOMPLISHED A REPAIR IAW SRM 53-00-01-2R-1, REPAIR 1.

Part: INTERCOSTAL — CRACKED (BS 312-328) · airframe 27,497 hrs · 8,175 cycles

CABIN FLOOR STRUCTURE, FWD OF BS 328, RBL 31. CRACK IN INTERCOSTAL. ACFT GROUNDED. REMOVED AND REPLACED THE INTERCOSTAL IAW DWG 141A5410, SH 39, REV-.

Part: FLOOR SUPPORT — CRACKED (BS 321) · airframe 27,497 hrs · 8,175 cycles

CABIN FLOOR SUPPORT BS 321, LBL 45 CRACKED. ACFT GROUNDED. REMOVED AND REPLACED THE FLOOR SUPPORT IAW DWG 141A5410 SH. 26 REV -.

Part: TRANSITION PANEL — CRACKED (BS 727G-727I) · airframe 27,497 hrs · 8,175 cycles

AFT CARGO BAY, RT TRANSITION PANEL IS CRACKED AT BS 727G, 727H AND PUNCTURED AT 727I+10. ACFT GROUNDE. REPAIRED THETRANSITION PANEL IAW SRM 53-00-53-2R-5.

Part: CONTROL PANEL — FAILED (FLIGHT DECK) · airframe 27,303 hrs · 8,118 cycles

DURING DESCENT, VERTICAL SPEED WHEEL DID NOT RESPOND TO COMMANDS. ACFT GROUNDED. REMOVED AND REPLACED MCP IAW AMM 22-11-34-000-801 AND 22-11-34-400-801. TESTS OK IAW AMM 22-11-34-740-801. PERFORMED LLM TESTS DFCS REPLACEMENT TEST FOR MCP IAW AMM 22-11-33/401 AND LAND VERIFY IAW AMM 22-11-00/201. ALL TESTS OK.

Part: UNKNOWN — MALFUNCTIONED (AUTOPILOT SYS) · airframe 27,267 hrs · 8,102 cycles

VERTICAL SPEED FUNCTION OF MCP INOP WHEN A AUTOPILOT IS ENGAGED. ALL OTHER MCP FUNCTIONS OPERATE NORMALLY WITH A AUTOPILOT ENGAGED. ALL FUNCTIONS OPERATE NORMALLY WITH B AUTOPILOT ENGAGED. GROUNDED - YES. PERFORMED DFCS MODE CONTROL PANEL TEST. FOUND NO CURRENT FAULTS. ETOPS GROUND VERIFICATION SUCCESSFUL, REF B737-800 FIM 22-11 TASK 803.

Part: COVER — MALFUNCTIONED (SWITCH) · airframe 27,248 hrs · 8,096 cycles

BATTERY SWITCH COVER WILL NOT STAY CLOSED. ACFT GROUNDED. REMOVED & REPLACED THE BATTERY POWER MODULE IAW AMM 24-21-53. OPS CHECKED GOOD. GROUND VERIFICATION COMPLETE.

Part: CONTROL PANEL — INTERMITTENT (COCKPIT) · airframe 26,817 hrs · 7,972 cycles

AUTOPILOT A DOES NOT ENGAGE IN CMD OR CWS. ACFT GROUNDEDS. DFCS FFR SHOWED 2 FLIGHTS WITH 17 FAULTS OF MCP ELEV/AIL ENGAGE DISAGREE 22-11625 AND 22-11626 FAULTS. MCP WAS SHOWN AT FAULT. DID PASS MCP QUICK TEST 32. REMOVED & REPLACED MCP, IAW AMM 22-11-34. OPS NORMAL.

Part: FCU — FAILED (APU) · airframe 26,799 hrs · 7,966 cycles

FAULT LIGHT ILLUMINATED DURING APU START ATTEMPT. GROUNDED - YES. PER FIM 49-30 TASK 803. GVI OF COMPRESSOR INLET PLENUM IS GOOD, NO FOD FOUND. REMOVED AND REPLACED FUEL CONTROL UNIT. INSTALLATION TEST IS GOOD. NO LEAKS. APU BITE SHOWS NO FAULTS IAW AMM 49-31-11.

Part: BULKHEAD WEB — CRACKED (BS 663) · airframe 26,794 hrs · 7,964 cycles

BS 663, RBL 40-RBL 43 BULKHEAD IS CRACKED. ACFT GROUNDED. REPAIRED THE BULKHEAD IAW SRM 57-10-10-2R-3, REPAIR 3, ALTERNATIVE 2.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT TEMP) · airframe 26,736 hrs · 7,949 cycles

ON RECALL, THE CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED PRODUCING A MASTER CAUTION. ZONE TEMP EXTINGUISHED ON RESET OF MASTER CAUTION. ACFT GROUNDED. ACCOMPLISHED BITE OF BOTH PTC, IAW FIM 21-62, TASK 801. NR 2 CONTROLLER FAULTED FOR FLIGHT DECK TRIM VALVE ON BITE AND PREVIOUS FLIGHT WITH GREEN GO ON VERIFY. ACCOMPLISHED FIM 21-62 TASK 832. ALL OPS CHECKED NORMAL.

Part: FILTER — TRIPPED (NR 1 IDG) · airframe 25,620 hrs · 7,670 cycles

NR 1 ENGINE IDG DPI TRIPPED. ACFT GROUNDED. PERFORMED IDG DPI CHECK PER IAW AMM 12-13-21. NO PARTICLES OR OIL DISCOLORATION NOTED. REPLACED IDG SCAVENGE, CHARGE OIL FILTER IAW AMM 24-11-41. SERVICED IDG IAW AMM 12-13-21. IDG LEAK CHECKED GOOD. DPI RESET. OK FOR SERVICE.

Part: FUEL NOZZLE — OUT OF TOLERANCE (APU) · airframe 25,434 hrs · 7,615 cycles

APU CT5ATP EGT TREND DATA REMAINS AT THE MAINTENANCE THRESHOLD OF 593 BUT LESS THAN 605 DEGREES AFTER LAST MAINTENANCE. GROUNDED - YES. REMOVED AND REPLACED APU FUEL NOZZLES - 10 EA. OPS/LEAK CHECKS NORMAL, REF AMM 49-31-14.

Part: REGULATOR — FAILED (BLEED AIR SYS) · airframe 25,360 hrs · 7,592 cycles

RT DUCT PRESSURE INDICATOR OSCILLATES W/ISOL VALVE CLOSED. NR 2 BLEED ON & PACK IN AUTO. MOST PROMINENT AT LOW POWER SETTINGS- NORMAL WHEN THRUST APPLIED. GROUNDED - YES. ACCOMPLISHED ALT PROC PER MPM CH 5 TABLE 3 ITEMS 1 AND 3. FOUND PC SENSE LINE FITTING ON HS REG LOOSE, REPLACED HS REG PER AMM 36-11-07 AND HS VALVE PER AMM 36-11-06. NO LEAKS NOTED. ACCOMPLISHED LOW POWER ENG RUN, NO DEFECTS NOTED. GROUND VERIFICATION SUCCESSFUL.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT TEMP) · airframe 25,346 hrs · 7,586 cycles

DURING RECALL CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED, EXTINGUISHED WITH RESET. ACFT GROUNDED. RESET CONTROL CABIN TRIM VALVE FAULT ON THE NR 2 PACK/ZONE TEMP CONTROLLER. ACCOMPLISHED BITE TEST ON THE NR 2 PACK / ZONE TEMP CONTROLLER IAW AMM 21-61-00. NO CURRENT FAULTS NOTED. GROUND VERIFICATION SUCCESSFUL.

Part: CONTROL VALVE — FAILED (RT A/C PACK) · airframe 25,003 hrs · 7,497 cycles

ON RECALL THE RIGHT PACK LIGHT ILLUMINATED, THE LIGHT GOES OUT ON M/C RESET. ACFT GROUNDED. REMOVED & REPLACED RIGHT TEMP CONTROL VALVE IAW AMM 21-51-10. GROUND VERIFICATION, INSTALLATION TEST, LEAK, AND OPS NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (A/C PACK) · airframe 24,982 hrs · 7,491 cycles

A/C PACK LIGHT ILLUMINATED DURING CLIMB, ACCOMPLISHED QRH, A/C PACK LIGHT EXTINGUISHED WHEN MASTER CAUTION WAS RESET. ACFT GROUNDED. NR 2 CONTROLLER LOGGED TCV FAULT. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE PROCEDURES IAW AMM TASK 21-51-00-700-803 AND FAULT CLEARED. BOTH AUTO CONTROLLERS BITE TEST OPS CHECKED GOOD. NO EXISTING FAULT.

Part: FMC — MALFUNCTIONED · airframe 24,745 hrs · 7,418 cycles

ON ROLL OUT, BOTH FMCS FAILED AND RESET. ACFT GROUNDED. PERFORMED FMC 1 & 2 BITE IAW FIM 34-61 TASK 801. FOUND LEFT FMC PROGRAM FAULT. OPENED AND CLOSED 2 BREAKERS, FMC NR 1 AND 2 OPS NORMAL IAW FIM 34-61TASK 807.

Part: SATCOM — MALFUNCTIONED · airframe 24,706 hrs · 7,406 cycles

SATCOM PROMPT WAS NOT DISPLAYED ON MCDU MENU PAGE. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURE PER QRH. SATCOM OPS RESTORED NORMAL.

Part: MODULE — FAILED (COCKPIT) · airframe 24,520 hrs · 7,331 cycles

ON TAXI OUT, AFTER RUNNING NEW TAKEOFF DATA, FMC SHOWED 88.4 FOR NR 1 ENGINE AND 89.2 FOR NR 2 ENGINE. RE-RAN DATA AND RECEIVED MESSAGE CALCULATION ERROR 3 DIFFERENT TIMES. ACFT GROUNDED. T/S SYSTEM, FOUND NR 2 PACK INOPERATIVE. R & R AIR CONDITIONING MODULE ON P5 PANEL, REF AMM 21-51-65-400-801. ALL FUNCTIONAL CHECKS OK.

Part: ACTUATOR — FAILED (NR 1 ENGINE) · airframe 24,489 hrs · 7,319 cycles

GROUND CREW REPORT FUEL LEAKING FROM NR 1 ENGINE. ACFT GROUNDED. REMOVED VSV ACTUATOR, INSTALLED NEW ACTUATOR IAW AMM 75-31-01-400, ITEM 6. F1-2. COMPLETED RT VSV ACTUATOR INSTALLATION, REF AMM 75-31-01-400-802-F00.

Part: WIRE HARNESS — CORRODED (NR 2 ENGINE) · airframe 24,389 hrs · 7,290 cycles

WHILE ACCOMPLISHING T/C N8420001, FOUND NR 2 ENGINE CJ10 WIRE HARNESS CORRODED. ACFT GROUNDED. REMOVED AND REPLACED THE WIRE HARNESS IAW AMM 73-21-06, OPS CHECKED NORMAL.

Part: CIRCUIT BREAKER — TRIPPED · airframe 24,136 hrs · 7,217 cycles

DURING THE CROSSFEED CHECK AT CRUISE, THE CROSSFEED SWITCH WAS PLACED IN THE OPEN POSITION WITH NORMAL INDICATIONS. WHEN PLACED BACK IN THE CLOSED POSITION DURING THE CYCLE, THE X-SWITCH WAS INADVERTENTLY PLACED BACK IN THE OPEN POSITON CAUSING THE CROSSFEED BREAKER TO POP. MAINTENANCE WAS ADVISED AND BREAKER WAS RESET. CROSSFEED VALVE OPERATED NORMAL. ACFT GROUNDED. GVI OF FUEL CROSSFEED VALVE, NO DEFECTS NOTED. MANUALLY CYCLED CROSSFEED VALVE OPEN AND CLOSED, NO DEFECTS NOTED. CYCLED FUEL CROSSFEED VALVE OPEN AND CLOSED ELECTRICALLY SEVERAL TIMES, NO DEFECTS NOTED. AMM FIM 28-22 TASK 808.

Part: ACTUATOR — FAILED (XFEED VALVE) · airframe 24,136 hrs · 7,217 cycles

FOLLOW-UP TO X-FEED VALVE ACTUATOR C/B OUT. ACFT GROUNDED. REMOVED & REPLACED CROSSFEED VALVE ACTUATOR IAW AMM 28-22-21. PERFORMED OPERATIONAL TEST IAW AMM 28-22-21-710-801, OPS CHECKED GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 23,515 hrs · 7,039 cycles

ON RECALL CONT CAB ZONE TEMP ILLUMINATED. RESETS WITH MASTER CAUTION. ACFT GROUNDED. ACCOMPLISHED PACK TEMP CONTROL BITE, REF FIM 21-62, TASK 801. FOUND FLIGHT DECK TRIM VALVE FAULT. COMPLETED VERIFY TEST, NO FAULTS FOUND. CLEARED FAULT, PACK TEMP CONTROL OPS NORMAL.

Part: WINDOW — MALFUNCTIONED (L2) · airframe 23,405 hrs · 7,001 cycles

L2 WINDOW OVERHEAT LIGHT CAME ON DURING DESCENT. DID QRH PROCEDURE AND LIGHT RESET. ACFT GROUNDED. OPS CHECK IS NORMAL IAW MM 30-41-00 AND NO HISTORY 30 DAYS. GROUND VERIFICATION, OPS CKS NORMAL.

Part: SATCOM — MALFUNCTIONED · airframe 23,138 hrs · 6,925 cycles

SATCOM PROMPT MISSING FROM BOTH CDU. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURE IAW QRH. SATCOM OPS NORMAL.

Part: WARNING FLAG — FALSE ACTIVATION (FLT DIRECTOR) · airframe 23,003 hrs · 6,888 cycles

DURING PRE-FLIGHT BOTH FLIGHT DIRECTOR FLAGS IN VIEW. IAS/MACH WINDOW IN MCP CLOSED. ALTITUDE WINDOW IN MCP INDICATED 50000 & UNABLE TO MOVE. ACFT GROUNDED. CYCLED POWER TO ACFT. MCP & D/D OPS RESTORED. OPS CHECK NORMAL, REF AMM 22-11-33. BITE TEST NR 35 & 49 ACCOMPLISHED. HGS SENSOR TEST NORMAL, REF HGS SMM 34-36-00. ACFT REMAINS CAT IIIA & AUTOLAND.

Part: SATCOM — LOCKED · airframe 22,974 hrs · 6,881 cycles

SATCOM LOCK-UP. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURE IAW QRH. SATCOM OPS NORMAL.

Part: SENSOR — FAULTED (LT WINDOW) · airframe 22,856 hrs · 6,848 cycles

WINDOW HEAT LIGHT ON LT SIDE WINDOW. QRH PROCEDURE RUN, OPS NORMAL FOR REMAINDER OF FLIGHT. ACFT GROUNDED. REF FIM 30-41, TASK 801, PERFORMED WHCU BITE, FINDING WINDOW HEAT SENSOR FAULT. FAULT CLEARS, BITE TEST NOW PASSES.

Part: CONTROL PANEL — FAILED (CABIN PRESSURE) · airframe 22,481 hrs · 6,747 cycles

LANDING ALTITUDE READOUT ON PRESSURIZATION CONTROL PANEL VERY DIM. WHEN LIGHTS TEST SWITCH IN DIM MODE. OPS NORMAL IN BRIGHT MODE. ACFT GROUNDED. R & R CABIN PRESS CONTROL MODULE REFAMM 21-31-02, 400/801. OPS & GROUND VERIFICATION TEST PASSED.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 22,439 hrs · 6,738 cycles

EMERGENCY LIGHT EXTERIOR SLIDE LIGHT INOPERATIVE AT RT AFT OVERWING EXIT. ACFT GROUNDED. RELAMPED AND TESTED IAW AMM 33-51-04-960-801. OPS NORMAL.

Part: WINDOW — OVERHEATED (LEFT) · airframe 22,338 hrs · 6,713 cycles

LEFT SIDE WINDOW OVERHEAT ON CLIMBOUT. FOLLOWED QRH, LIGHT REMAINED OFF FOR DURATION OF FLIGHT. ACFT GROUNDED. REF FIM 30-41, TASK 801. WHCU BITE TEST PASSED, NO FAULTS FOUND. GROUND VERIFICATION WAS SUCCESSFUL.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 22,160 hrs · 6,666 cycles

CONTROLLER CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL, AFTER ENGINES STARTED. ACFT GROUNDED. PERFORMED ZONE TEMP BITE, CLEARED CABIN SENSOR FAULT, SYS OPS CHECK GOOD IAW AMM 21-61-00700-806-002.

Part: IDG — FAILED (NR 1) · airframe 22,122 hrs · 6,654 cycles

DURING APPROACH LT GENERATOR SOURCE OFF LIGHT ILLUMINATED. TRIED PUTTING GENERATOR BACK ON LINE BUT SOURCE OFF LIGHT REMAINED ON. ACFT GROUNDED. R & R NR 1 ENGINE IDG REF AMM 24-11-11. LEAK CK, NO LEAKS NOTED. NR 1 ENGINE IDG FAILED OPS TEST IAW AMM 24-11-00-700-802. DRIVE LIGHT ILLUMINATED AFTER ENGINE START AT IDLE. RESEATED NR 1 IDG CONNECTORS DP1205, DP1206, REACCOMPLISHED OPS TEST FOR NR 1 IDG. OPS TEST, LOAD TEST, DISCONNECT TEST ALL NORMAL REF AMM 24-11-00-700-802. GCU BITE, NO FAULTS.

Part: STARTER — FAILED (NR 1 ENGINE) · airframe 22,062 hrs · 6,641 cycles

WHILE PERFORMING TASK CARD 78472040, FOUND METAL DEBRIS ON AGB/TGB CHIP DETECTOR. MAGNETIC MATERIAL, ENGINE NR 1. ACFT GROUNDED. PERFORMED TASK 79-00-00-200-804-F00 FOUND METAL DEBRIS ON STARTER MAGNETIC PLUG. E1, MAGNETIC MATERIAL. REPLACED ENGINE NR 1 SCAVENGE FILTER REF 737-NG AMM 79-21-06. REPLACED ENGINE NR 1 STARTER, REF 737-NG, AMM 80-11-01. OPS CHECK & LEAK CHECK GOOD.

Part: SHUTOFF VALVE — FAILED (NR 1 ENGINE) · airframe 21,768 hrs · 6,570 cycles

DUCT PRESSURE SPLIT ON TAKEOFF LT 18 RT 40 TO 45. CORRECTED TO LT 37, RT 41 BY LEVEL OFF AT FL 350. ACFT GROUNDED. COMPLIED WITH TASK CARD NG-36WC-00001: ENGINE BLEED AIR SYSTEM HEALTH CHECK. R & R PRSOV IAW AMM 36-11-04-000-801 AND AMM 36-11-04-400-801. COMPLETED ENGINE BLEED AIR CROSSOVER OPS TEST IAW AMM 36-11-00-710-801. OPS TEST GOOD. ALL READINGS WITHIN PARAMETERS. NO FURTHER DEFECTS NOTED.

Part: BLADE — WORN (NR 1 ENGINE) · airframe 21,671 hrs · 6,551 cycles

WHILE ACCOMPLISHING FAN BLADE LUBE ON NR 1 ENGINE IAW TC 78472002, FOUND ALL SHIMS WORN. ACFT GROUNDED. R & R 24 EA SHIMS ON NR 1 ENGINE IAW TC 78472002, STEP 42.

Part: CONTROLLER — MALFUNCTIONED (CABIN TEMP) · airframe 21,666 hrs · 6,549 cycles

CONTROLLER CABIN ZONE TEMP LIGHT ON WITH RECALL. RESETS WITH MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED CABIN TEMP CONTROLLER BITE REF 21-61, TASK 801. NO FAULTS. OPS TEST NORMAL.

Part: BUTTON — INOPERATIVE (CDU) · airframe 21,381 hrs · 6,477 cycles

EXECUTE BUTTON ON RT MCDU ALMOST INOP AS VERY HARD TO EXECUTE. ACFT GROUNDED. R & R FMCS CDU REF AMM 34-61-01. GROUND FUNCTION CHECK COMPLIED WITH.

Part: AUTOLAND SYS — UNKNOWN · airframe 21,344 hrs · 6,469 cycles

DURING HGS AIII AUTOLAND APPROACH. ACFT BEGAN SIGNIFICANT LT DRIFT AT 100'. DRIFT CONTINUED BELOW 50 WITH NO CORRECTION. DISCONNECTED AND LANDED MANUALLY. HGS APPEARED TO BE OK. ACFT GROUNDED. DFCS CURRENT STATUS - NO FAULTS AND FAULT HISTORY, NO FAULTS, REF FIM 22-11, TASK 801.

Part: STARTER — FAILED (NR 1 ENGINE) · airframe 20,918 hrs · 6,340 cycles

NR 1 ENGINE MAX 5.6, N2 ON START. ACFT GROUNDED. REMOVED NR 1 ENGINE STARTER IAW AMM 80-11-01-000-801-F00. REMOVED QUAD ADAPTER IAW AMM 80-11-02-000-801-F00. INSPECTED NO DEBRIS FOUND. INSTALLED QUAD ADAPTER IAW AMM 80-11-02-400-801-F00. INSTALLED NEW NR 1 ENGINE STARTER IAW AMM 80-11-01-400-801-F00. GROUND VERIFICATION CHECK GOOD IAW AMM 71-00-00-700-801-F00 AND 71-00-00-700-809-F00.

Part: LENS — DETACHED (EMERGENCY LIGHT) · airframe 20,906 hrs · 6,337 cycles

F/A REPORTS THAT THE AFT CABIN OVERHEAD "EXIT" SIGN IS MISSING. ACFT GROUNDED. F/A REPORTS NOT AFT CABIN, BUT MID CABIN EMERGENCY EXIT SIGN MISSING. FOUND OVERWING EMERGENCY EXIT SIGN-CENTER AISLE OVERHEAD MISSING A LENS. FOUND LENS IN OVERHEAD STOWAGE BIN, STILL SERVICABLE. REINSTALLED LENS, LIGHTS CHECKED GOOD.

Part: SATCOM — MALFUNCTIONED · airframe 20,768 hrs · 6,297 cycles

BOTH SAT PHONES INOPERATIVE. NO VOICE HEARD AND NO SIDE TONE WHEN TRANSMITTING TO STATION. RECEIVING STATION GOT OUR CALL AND HEARD US. WE COULDN'T HEAR THEM. ACFT GROUNDED. PERFORMED OPS TEST OF BOTH SAT PHONES, OPS TEST NORMAL, REF AMM 23-15-00. NO HISTORY 60 DAYS. THIS CLEARS MEL 23-18, PLC C/N 0901013 REMOVED.

Part: INTERCOSTAL — CRACKED (BS 344-360) · airframe 20,421 hrs · 6,182 cycles

MAIN CABIN FLOOR INTERCOSTAL CRACKED AT NUTPLATE HOLE, BS 344-360, LBL 12. ACFT GROUNDED. R & R FLOOR INTERCOSTAL AT LBL 12 IAW SRM 51-40-02 AND DWG 141A5410.

Part: FLOOR SUPPORT — CRACKED (BS 344-360) · airframe 20,421 hrs · 6,182 cycles

MAIN CABIN FLOOR SUPPORT CRACKED AT NUTPLATE HOLE, VIEWED FORM E & E BAY LOOKING UP, BS 344-360, BL 0. ACFT GROUNDED. R & R FLOOR SUPPORT AT BL 0 IAW SRM 51-40-02 AND DWG 141A5410, DOT B500 REMOVED.

Part: ELEMENT — FAILED (R2 WINDOW HEAT) · airframe 20,350 hrs · 6,163 cycles

ON DESCENT R-2 WINDOW OVERHEAT LIGHT ILLUMINATED. ACFT GROUNDED. TEST R2 WINDOW HEAT SENSOR, FOUND OHM READING OUT OF TOLERANCE. SWAPPED SENSORS, ACCOMPLISHED NORMAL BITE CHECK AND OPERATED WINDOW WITH NO FURTHER DEFECTS NOTED REF: FIM 30-41 TASK 811 & 30-41, TASK 801.

Part: WARNING LIGHT — FALSE ACTIVATION (WINDOW HEAT) · airframe 20,345 hrs · 6,162 cycles

R2 WINDOW OVERHEAT LIGHT ILLUMINATED ON DESCENT AT 10,000, FOLLOWED QRH, OPS RETURNED TO NORMAL. ACFT GROUNDED. REF FIM 30-41, TASK 801, WHCU BITE. R2 WINDOW NO FAULTS FOUND. BITE TEST PASSED GROUND VERIFICATION SUCCESSFUL. NO HISTORY 30 DAY.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 20,292 hrs · 6,151 cycles

"FMC DISAGREE" ON GROUND BEFORE TAKEOFF. ACFT GROUNDED. PERFORMED QRH CHECKLIST. NO FURTHER PROBLEM NOTED.

Part: SATCOM — LOCKED · airframe 19,911 hrs · 6,028 cycles

SATCOM LOCKUP DURING POWER TRANSFER. ACFT GROUNDED. QRH PROCEDURE COMPLETED SUCCESSFULLY.

Part: APU — MALFUNCTIONED · airframe 19,718 hrs · 5,960 cycles

APU STARTS, APU AIR WORKS, BUT IT WILL NOT POWER THE GENERATORS. APU SHOWS 0 VOLTS. ACFT GROUNDED. OPERATED APU 5 TIMES, EACH TIME VOLTS AND FREQUENCIES NORMAL. PERFORMED APU GCU BITE NO FAULTS IAW FIM 24-21 TASK 801. CDU APU MAINT PAGE SHOWS NO CURRENT FAULTS, NO RELATED FAULT HISTORY, AND NO RELATED MAINTENANCE HISTORY.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 19,718 hrs · 5,960 cycles

FMC DISAGREE ON TAXI OUT. ACFT GROUNDED. RESOLVED IAW QRH PROCEDURE.

Part: RADAR — MALFUNCTIONED (WX) · airframe 19,626 hrs · 5,935 cycles

WX RADAR DISPLAYED A PIE SHAPED RETURN FROM 0 TO 160 NM AND OTHER RANGE MAXIMUMS AS WELL, GREEN TO FULL RED AT THE 10 O'CLOCK POSITION. THIS DISPLAY REMAINED WITH HEADING CHANGES. IT REMAINED AFTER CYCLING POWER. IT WAS MORE PRONOUNCED IN AUTO BUT ALSO WAS DISPLAYED MORE LIGHTLY IN MANUAL. ACFT GROUNDED. PERFORMED WEATHER RADAR SYSTEM BITE PROCEDURE IAW FIM TASK 34-43, TASK 801. NO FAULTS NOTED. OPS CHECK NORMAL. NO HISTORY PAST 30 DAYS.

Part: WARNING LIGHT — FALSE ACTIVATION (FMC) · airframe 19,536 hrs · 5,912 cycles

FMC DISAGREE AMBER ANNUNCIATOR ILLUMINATED DURING TAXI OUT. ACFT GROUNDED. ANNUNCIATORS EXTINGUISHED AFTER RUNNING QRH PROCEDURE. EVERYTHING OPERATED NORMALLY AFTER THAT.

Part: VALVE — MALFUNCTIONED (RT A/C PACK) · airframe 19,110 hrs · 5,794 cycles

AFTER START, ON MASTER CAUTION RECALL, AIR COND AND RT PACK WITH MASTER CAUTION ILLUMINATED ACCOMPLISHED AIR CONDITION. QRH RT PACK TEMP CONTROL INOP. ACFT GROUNDED. ACCOMPLISHED BITE OF NR 2 TEMP CONTROLLER REF AMM 21-61-00-700-806-002. TCV FAULT ILLUMINATED. REPLACED RT PACK TCV REF: AMM 21-51-10. OPS CK GOOD: INTERROGATION OF RT PACK ZONE TEMP CONTROLLER WAS CLEAN.

Part: FMC — INOPERATIVE · airframe 19,043 hrs · 5,776 cycles

CAPTS FMC SCREEN WENT BLANK FOR 20 SECONDS. THE CALL AND FAIL LIGHTS ILLUMINATED THEN THE SCREEN SHOWED BIT TEST PASS AND CAME BACK ON. OPS NORMAL SINCE THAT EVENT. ACFT GROUNDED. ACCOMPLISHED FMCS BITE FIM 34-61, TASK 801. SENSOR STATUS SHOWS NO FAULTS. IN FLT FAULTS SHOWS MAINTENANCE MSG FOR CDU "L" RATE INTERMITTENT FOR FLT LEG NR 1. ACCOMPLISHED MCDU TEST IAW AMM 34-61-01 ALL TEST PASSED. NO HISTORY 30 DAYS. FMCS GROUND VERIFICATION PASSED.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 18,663 hrs · 5,681 cycles

PWS FAIL LIGHT CAME ON IN FLIGHT. ACFT GROUNDED. RESET SYSTEM, GROUND FUNCTIONAL CHECKED GOOD IAW AMM 34-43-00-710-802-001.

Part: RELAY — NO TEST (BOOST PUMP) · airframe 18,574 hrs · 5,657 cycles

RELAY R19 FAILS T/C 78128011 "GFI RELAY OPS CHECK', R19 IS FOR TANK 1 FUEL FWD BOOST PUMP. ACFT GROUNDED. R & R R19, GROUND FUNCTIONAL CHECK GOOD IAW T/C 78128011.

Part: FLANGE — CRACKED (NR 2 ENGINE) · airframe 18,532 hrs · 5,644 cycles

NR 2 ENGINE REAR FLANGE ASSY CRACKED AT 1 FASTENER LOCATION. ACFT GROUNDED. INSPECTED IAW AMM 72-56-00-211-803-F00 IAW STEP D 1, B 1, NO CRACKS ALLOWED. REMOVED FWD AND AFT PLUG TO REPLACE NR 2 ENG REAR FLANGE ASSY. INSTALLED FWD AND AFT PLUG. IAW MM 72-56-00-400-801-F00.

Part: FLANGE — CRACKED (NR 1 ENGINE) · airframe 18,532 hrs · 5,644 cycles

NR 1 ENGINE REAR FLANGE ASSY CRACKED AT SEVERAL FASTENER HOLES. ACFT GROUNDED. INSPECTED IAW MM 72-56-00-211-803-F00 IAW STEP D1, B1. NO CRACKS ALLOWED. REPLACED NR 1 ENGINE REAR FLANGE, IAW MM 72-56-00-400-801.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 18,163 hrs · 5,527 cycles

DURING TAXI OUT FMC DISAGREE MESSAGE. ACFT GROUNDED. FOLLOWED QRH PROCEDURE. MESSAGE NO LONGER DISPLAYED.

Part: WARNING LIGHT — ILLUMINATED (RT A/C PACK) · airframe 18,139 hrs · 5,516 cycles

RIGHT PACK LIGHT ILLUMINATED ON RECALL EXITING. ON RESET. ACFT GROUNDED.

Part: CONTROLLER — MALFUNCTIONED (CABIN TEMP) · airframe 18,115 hrs · 5,510 cycles

DURING MASTER CAUTION RECALL, CONTROLLER CABIN ZONE TEMP, AMBER, LIGHT ILLUMINATES. LIGHT EXTINGUISHES WITH MASTER CAUTION RESET. ACFT GROUNDED. NR 2 TEMP CONTROLLER SHOWS "FLT DECK TRIM VALVE" FAULT ON PREV FLT & BIT. VERIFY TEST PASSSES. RESET FAULT. FAULT DID NOT RETURN. NO HISTORY - 60 DAYS. BITE TEST NR 2 TEMP CONTROLLER GOOD, REF MM 21-61-00.

Part: SATCOM — MALFUNCTIONED · airframe 18,096 hrs · 5,504 cycles

SAT PHONE NR 1 AND NR 2 INOPERATIVE. CHIMES AND FMC APPEAR TO WORK NORMALLY. SAT COMM WOULD NOT CONNECT. ACFT GROUNDED. PERFORMED SATCOM COMMUNICATION SYS TEST STEPS A-E F/O AMM TASK 23-15-00-801. OPS CK GOOD.

Part: FCU — UNKNOWN (APU) · airframe 17,949 hrs · 5,457 cycles

APU FAILED TO START AT FL 370 WITH FAULT LIGHT ILLUMINATING FOR OVER 5 MINUTES. ACFT GROUNDED. PERFORMED APU BITE IAW FIM 49-60, TASK 803. FAULT HISTORY LOGGED 1 MAINT MESSAGE 49-31016 OVERTEMP SHUTDOWN. COMPLETED FIM TASK 49-30, TASK 803. APU STARTS & RUNS NORMAL ON GROUND. NO CURRENT OR ACTIVE FAULTS. REPLACED THE STARTER GENERATOR IAW AMM TASK 49-41-21-400-801, OPS CHECKED GOOD. REPLACED APU FCU IAW AMM 49-31-11. OPS & LEAK CHECKED GOOD, IAW 49-11-00.

Part: WARNING LIGHT — FALSE ACTIVATION (A/C) · airframe 17,939 hrs · 5,455 cycles

PUSHING THE MASTER RECALL, YIELDS AN AIR CONDITIONER AMBER LIGHT AND THE RT PAC AMBER LIGHT ON THE OVERHEAD ILLUMINATES. QRH PROCEDURE FOLLOWED. THE AMBER PAC LIGHT EXTINGUISHES WHEN MASTER CAUTION IS RESET, NO FURTHER ACTION REQUIRED-IAW QRH. MAINTENANCE & DISPATCH NOTIFIED VIA SATCOM. ACFT GROUNDED. BITE OF NR 2 CONTROLLER SHOWS RAM AIR ACTUATOR FAULT LOGGED. ACCOMPLISHED BITE OF CONTROLLER. FAULT CLEARED AND TEST PASSED, REF 21-61-20.

Part: FUEL DIVIDER — FAILED (APU FUEL FLOW) · airframe 17,910 hrs · 5,446 cycles

FAULT LIGHT ILLUMINATED ON ALL THREE FAILED CSS APU IN FLIGHT START ATTEMPTS AT FL360, FL360 AND FL330. ACFT GROUNDED. PERFORMED APU BITE IAW FIM 49-60, TASK 801. FAULT HISTORY LOGGED 3 MAINTENANCE MESSAGES 49-31016, OVERTEMP SHUTDOWN. COMPLETED FIM 49-30 TASK 803. NO CURRENT OR ACTIVE FAULTS, APU STARTS AND RUNS NORMALLY. REPLACED FUEL FLOW DIVIDER IAW AMM 49-31-15. INSPECTED FUEL SOLENOID VALVE CONNECTOR AND PINS, NO DEFECTS NOTED.

Part: APU — MALFUNCTIONED · airframe 17,862 hrs · 5,436 cycles

FIRST START AT FL 360 = FAULT LIGHT ILLUMINATED, EXTINGUISHED IN 30 SECONDS. SECOND START AT FL 360, FAULT LIGHT ILLUMINATED, EXTINGUISHED IN 5 + MINUTES. ACFT GROUNDED. FAULT HISTORY LOGGED MAINT MESSAGE 49-31016 OVERTEMP SHUTDOWN 2 CYCLES. COMPLETED FIM TASK 49-30, TASK 803. NO DEFECTS NOTED, NO FAULTS CURRENT STATUS. APU STARTS AND OPS CHECKED NORMAL AT GATE.

Part: WARNING MESSAGE — ACTIVATED (NR 1 ENGINE) · airframe 17,769 hrs · 5,413 cycles

ACCOMPLISHED TC 78273000, FOUND LONG TERM FAULT 76-31361, THE START LEVER SIGNALS DISAGREE, ON NR 1 ENGINE. ACFT GROUNDED.

Part: CONTROL VALVE — MALFUNCTIONED (RT A/C PACK) · airframe 17,230 hrs · 5,250 cycles

RIGHT PACK LIGHT ILLUMINATED DURING TAXI, QRH ACCOMPLISHED LIGHT OUT UNTIL RECALL. ACFT GROUNDED. REPLACED THE RT PACK TRIM CONTROL VALVE. IAW AMM 21-51-10/401. OPS CHECKED GOOD. NO LEAKS NOTED. BITE CHECK OF RT PACK/ZONE CONTROLLER CHECKED GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION (YAW DAMPER) · airframe 17,183 hrs · 5,228 cycles

DURING PREFLIGHT, AFTER YAW DAMPER ENGAGED DURING CHECKLIST OPERATION NOTICED YAW DAMPER OFF LIGHT ILLUMINATED. YAW DAMPER CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. RESET YAW DAMPER ACFT CIRCUIT BREAKER IAW MM 20-60-01, YAW DAMPER OPS & SYSTEM TESTS CHECKED NORMAL IAW MM 22-23-00. NO HISTORY LAST 90 DAYS.

Part: CONTROL VALVE — FAILED (NR 2 A/C PACK) · airframe 17,160 hrs · 5,220 cycles

RT PACK LIGHT ILLUMINATED, EXTINGUISHES WITH MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED BITE CHECK OF PACK ZONE TEMPERATURE CONTROLLERS IAW MM 21-61-00-700-806-002 AND ON PACK NR 2 FOUND TVC HAD FAILED. R & R NR 2 PACK TCV IAW MM 21-61-21. OPS CHECK, LEAK TEST GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION (RT A/C PACK) · airframe 17,040 hrs · 5,184 cycles

DURING RECALL, RT PACK LIGHT ILLUMINATED. LIGHT CLEARS WHEN MASTER CAUTION RECALL PRESSED. ACFT GROUNDED. ACCOMPLISHED ZONE TEMP, TEMP BITE IAW FIM 21-62-801, CLEARED CABIN TEMP SENSOR FAULTS. OPERATED LT & RT PACKS, ACCOMPLISHED ZONE TEMP BITE - NO FAULTS FOUND.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 16,591 hrs · 5,041 cycles

RECEIVED A FMC DISAGREE ON TAXI OUT. ACFT GROUNDED. PERFORMED QRC PROCEDURE. NORMAL OPS RESTORED.

Part: SENSOR — FAILED (R2 WINDOW HEAT) · airframe 16,433 hrs · 4,990 cycles

RIGHT FWD WINDOW OVERHEAT LIGHT ON. ACFT GROUNDED. RT FRONT CONTROLLER FAULTS SENSOR. ACCOMPLISHED FIM 30-41 TASK 812,SWITCHED R1 WINDOW SENSOR TO SPARE. GROUND VERIFICATION TEST PASSED.

Part: WARNING MESSAGE — ILLUMINATED (FMC) · airframe 16,170 hrs · 4,891 cycles

FMC SHOWED "FULL" UPON GOING TO LEGS PAGE, ROUTE DATA, WINDS REQUEST PROMPT ON R6. DID NOT SHOW "REQUEST". GROUNDED. REFERRED TO FHB BULLETIN 14. PERFORMED QRH PROCEDURE, OPS NORMAL.

Part: CONTROLLER — MALFUNCTIONED (COCKPIT TEMP) · airframe 15,812 hrs · 4,772 cycles

AMBER "ZONE TEMP" FOR CONTROL CABIN COMES ON WITH RECALL, EXTINGUISHES WITH MASTER CAUTION RESET. ACFT GROUNDED. TESTED PACK/ZONE TEMP CONTROLLER IAW AMM 21-61-00-700-806-002. NO HARD FAULTS AND NO MAINTENANCE HISTORY WITHIN PAST 30 DAYS.

Part: CIRCUIT BREAKER — TRIPPED (HYD PUMP) · airframe 15,470 hrs · 4,671 cycles

GROUND POWER FAILED. APPLIED APU POWER WITHIN 10 SECS, LT ELECTRIC HYD PUMP STOPPED PRODUCING PRESSURE. ACFT GROUNDED. FOUND SYS "A" HYD PUMP CIRCUIT BREAKER C881 OPEN, RESET CIRCUIT BREAKER IAW AMM 20-60-01 AND WDM 29-11-12. CIRCUIT BREAKER REMAIN SET. HYD PUMP SYS "A" OPS NORMAL IAW AMM 29-11-00.

Part: WINDOW — WARNING MESSAGE (COCKPIT) · airframe 15,468 hrs · 4,670 cycles

LEFT SIDE WINDOW OVERHEAT PERFORMED QRH PROCEDURE PROBLEM CORRECTED. ACFT GROUNDED. REPLACED LEFT SIDE WINDOW IAW MM 56-12-11. WINDOW HEAT OPS CHECKED GOOD IAW MM 30-41-00.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 15,453 hrs · 4,664 cycles

FMC DISAGREE ON GROUND WITH FLAP EXTENSION. ACFT GROUNDED. ABLE TO RESET WITH QRH PROCEDURE.

Part: ENGINE — FAULTED (NR 2) · airframe 15,313 hrs · 4,625 cycles

NR 2 ENGINE LOGGED FAULT 77-20862. BOTTOM LT EGT SIGNAL OUT OF RANGE, 4 OUT OF LAST 10 FLIGHTS. ACFT GROUNDED.

Part: PANEL — DAMAGED (NR 1 FAN DUCT) · airframe 15,045 hrs · 4,564 cycles

NR 1 ENGINE, FAN DUCT PANEL AT 9:00 POSITION HAS 1 EA FASTNER (BOLT) PULLED THROUGH. ACFT GROUNDED. R & R NR 1 ENGINE FAN DUCT PANEL AT 9:00 POSITION SECURED IAW AMM 72-23-07.

Part: SPINNER — OUT OF BALANCE (NR 2 ENGINE) · airframe 15,045 hrs · 4,564 cycles

NR 2 ENGINE TREND DATA SHOWS LOW PRESSURE ROTOR VIBRATION LEVELS TO BE TRENDING HIGHER THAT NORMAL. ACFT GROUNDED. ENTERED WEIGHT SOLUTION ONTO REAR SPINNER IAW MM 71-00-75-808. ENTERED WT. LOCATION INTO AAVM. LOC. 29 & 34 REMOVED P12'S INSTSALLED P09'S AT LOC. 29 & 3. LOC 34 NOW P07.

Part: WARNING LIGHT — FALSE ACTIVATION (OVERHEAT) · airframe 14,973 hrs · 4,543 cycles

DURING APPROACH, LT SIDE OVERHEAT LIGHT ILLUMINATED. SECURED SWT FOR 4 MINUTES, TURN SWT ON WHILE ON GROUND. NORMAL INDICATIONS. ACFT GROUNDED. ACP BITE OF LT SIDE CONTROLLER IAW AMM TASK AMM 30-41, TASK 801, NO FAULTS NOTED. ALSO ACP AMM TASK 30-41-00-710-81 WINDOW HEAT OPS TEST, TEST PASSED. NO HISTORY PAST 30 DAYS, ACFT OK FOR SERVICE.

Part: SHIM — WORN (NR 2 ENG FAN) · airframe 14,736 hrs · 4,471 cycles

ALL FAN BLADE SHIMS HAVE WORN COATING. ACFT GROUNDED. REPLACED FAN BLADE SHIMS IAW T/C 78472002, STEP 44.

Part: CIRCUIT BREAKER — MALFUNCTIONED (SATCOM) · airframe 14,517 hrs · 4,416 cycles

SATCOM NOT DISPLAYED ON MCDU MENU PAGE. ACFT GROUNDED. PULLED & RESET SATCOM CIRCUIT BREAKER. SATCOM OPS CHECKED NORMAL IAW MM 23-15-00.

Part: TRANSCEIVER — MALFUNCTIONED (SATCOM) · airframe 14,517 hrs · 4,416 cycles

SATCOM NOT DISPLAYED ON MCDU MENU PAGE AFTER POWER TRANSFER TO THE APU. ACFT GROUNDED. REPLACED SATCOM TRANSCEIVER IAW AMM REF TASK 23-15-00-400-801. OPS CKS GOOD.

Part: TRANSCEIVER — INOPERATIVE (HF SYSTEM) · airframe 14,457 hrs · 4,399 cycles

HF NR 2 INOPERATIVE. ACFT GROUNDED. PERFORMED HF NR 2 TRANSCEIVER BITE. NO FAULTS FOUND, REF FIM TASK 23-11, TASK 801. PERFORMED HF COMM SYS RX/TX REF FIM TASK 23-11, TASK 806. NO FAULTS FOUND. R & R HF NR 2 TRANSCEIVER AS PRECAUTIONARY. OPS NORMAL REF MM 23-11-21.

Part: HMU — MALFUNCTIONED (NR 1 ENGINE) · airframe 14,439 hrs · 4,395 cycles

WHILE ACCOMPLISHED, FOUND NR 1 ENG WITH FAULT 73-10351, FMV POS SIGNALS DISAGREE - SHORT TIME FAULT. ACFT GROUNDED. PERFORMED ACTUATORS TEST REF MM 71-00-00-700-807-F00 AND EEC TEST REF MM 73-21-00-700-804-F00 BOTH TESTS PASSED. ACCOMPLISHED RESISTANCE CHECKS AT RECEPTACLES DP0601 AND DP0501 OF THE HMU FOUND RESISTANCE AT PINS 35 TO 36 AT 106.1 OHMS, IT SHOULD BE 130 TO 230 OHMS. ACCOMPLISHED T/C N8473000, HMU REMOVAL NR 1 ENGINE. COMPLETED INSTALLATION IAW T/C N8473001, NO FAULTS NOTED.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 14,363 hrs · 4,378 cycles

CONT CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL. RESETS WHEN RESETTING MASTER CAUTION. ACFT GROUNDED. PERFORMED ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-61-00 - FOUND NR 2 ZONE TEMP UNIT W/ FLT DECK CABIN SENSOR RED FAULT LIGHT ON IN PREVIOUS FLT MODE. VERIFY TEST OK & SUBSEQUENT TESTS, OPS NORMAL W/ NO FAULT LIGHTS ILLUMINATED CONTROL CAB ZONE TEMP LT NOW EXTINGUISHED ON MASTER RECALL. NO HISTORY LAST 90 DAYS.

Part: SWITCH — MALFUNCTIONED (THRUEST REVERSER) · airframe 14,352 hrs · 4,376 cycles

ON PDC WALK AROUND FOUND NR 1 THRUST REVERSER LIGHT ON OVERHEAD PANEL. ACFT GROUNDED. REPLACED LT AUTO-THROTTLE SWITCH PACK ASSY REF MM 76-11-07-400-802-F00. A/T SWITCH PACK OPS TESTS PASS REF MM 76-11-07-400-802.

Part: BATTERY PACK — NO TEST (EMERGENCY LIGHT) · airframe 14,351 hrs · 4,375 cycles

EMERGENCY LIGHT BATTERY PACK FAILED TEST. ACFT GROUNDED. REMOVED, REPLACED, AND TESTED BATTERY PACKS IAW MM 33-51-06-960-805. OPS NORMAL.

Part: LIGHT — INOPERATIVE (CONTROL PANEL) · airframe 14,166 hrs · 4,319 cycles

VNAV BUTTON LIGHT ON MCP INOPERATIVE. ACFT GROUNDED. REPLACED THE A/P MCP IAW MM 22-11-34-400-801. OPS CK GOOD IAW MM 22-11-34-740. PERFORMED THE DFGS LRU INTERFACE TEST FOR MCP IAW MM22-11-34/501, TEST GROUP 32, PASSED. PERFORMED LAND VERIFY TEST IAW MM 22-11-00/201, TEST GROUP 49, PASSED. PERFORMED THE HGS SENSOR TEST FOR FCC IAW SMM 34-36-00, PASSED. ACFT REMAINS CAT III A AUTOLAND & HGS SCREW REFLECTS THE SAME.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 14,065 hrs · 4,294 cycles

FMC DISAGREE DISPLAYED ON THE GROUND. ACFT GROUNDED. QRH PROCEDURE COMPLETED. BOTH FMC REBOOTED AND FMC DISAGREE DISPLAY DISAPPEARED.

Part: CIRCUIT BREAKER — MALFUNCTIONED (SAT COM) · airframe 13,948 hrs · 4,252 cycles

AIRCRAFT APPEARS TO HAVE SATCOM INSTALLED BUT THERE IS NO SAT MENU AVAILABLE ON MCDU. ACFT GROUNDED. RESET SAT CIRCUIT BREAKER ON P18 C14 AND SYS RETURNED TO NORMAL. SYS CKS NORMAL.

Part: FMC — MALFUNCTIONED (COCKPIT) · airframe 13,911 hrs · 4,240 cycles

SATCOM PROMPT NOT AVAILABLE OR DISPLAYED ON FMC. ACFT GROUNDED. DETERMINED TRANSCEIVER IN LOCKED UP STATE. ACCOMPLISHED MANUAL POWER CYCLE REF FIM 23-15-00-23-801. STEP C(4)(6). VERIFIED SATCOM PROMPT ON MCDU.

Part: UNKNOWN — MULTIPLE FAIL · airframe 13,742 hrs · 4,197 cycles

ON RECALL RECEIVED THE SPEED TRIM AND MACH TRIM FAIL LIGHT ILLUMINATED AND THE CAPTAINS FLIGHT DIRECTOR WARNING FLAG. ALT ARM SWITCH WOULD NOT ENGAGE. THEN FOUND C/B SYS. A WARNING LIGHT, BATTERY, ROW D1 POPPED. ACFT GROUNDED. CHECKED BEHIND PANEL OF WARN LIGHT (BAT) CB. NO DAMAGE FOUND. RESET WARN LIGHT, BATTERY, CB. REF MM 20-60-01. POWERED DOWN ACFT. POWERED ACFT BACK UP AND ALL FUNCTIONS NORMAL.

Part: SATCOM — INOPERATIVE · airframe 13,431 hrs · 4,106 cycles

DURING FLIGHT, ATTEMPTED TO USE SATCOM. THERE WAS NO SAT PROMPT ON MCDU MENU PAGE. ACFT GROUNDED. CYCLED POWER & SAT PROMPT IS ON BOTH MCDU MENU, PAGE REF FIM 23-15-00-23-801.

Part: EXCITER — FAILED (NR 1 ENGINE) · airframe 13,344 hrs · 4,083 cycles

DURING ENG START NR 1 ENG FAILED TO IGNITE WITH IGN LT SELECTED, QRH PROCEDURES WERE FOLLOWED TO ABORT THE ENG START, ING RT WAS SELECTED AND THE NR 1 ENG STARTED NORMALLY. ACFT GROUNDED. R & R NR 1 ENG LT IGNITION EXCITER REF AMM TASK 74-11-01/401 AND R & R NR 1 ENG LT IGNITION LEAD REF AMM TASK 74-21-01/401. C/W IGN SYS AUDIBLE TEST AMM TASK 74-00-00-750-001-F00. SYS TEST GOOD.

Part: WARNING MESSAGE — ILLUMINATED (RT A/C PACK) · airframe 13,311 hrs · 4,074 cycles

RIGHT PACK LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. FAULT LOGGED AS THIS SIDE TCV FAILURE. PERFORMED BITE TEST REF MM TASK 21-61-00-700-806-002, NO FAULTS LOGGED, RESET CONTROLLER. RERAN BITE TEST 2 MORE TIMES, NO FAULTS LOGGED.

Part: ANTENNA — MALFUNCTIONED (WX RADAR AYA) · airframe 12,643 hrs · 3,870 cycles

THE WEATHER RADAR IS SPOKING. SENDING DASHED DIAGONAL HASHES PRIMARILY AT THE 10 O`CLOCK & 2 O`CLOCK POSITIONS. CONDITION IS NOT CONTINOUS BUT RATHER PERSISTENT. THIS IS HAPPENING REGARDLESS OF THE RADARS TILT OR RANGE. IT DID PAINT KNOWN & VISIBLE WX. ACFT GROUNDED. R & R WEATHER RADAR ANTENNA DRIVE UNIT OPS NORMAL. GROUND VERIFICATION SUCCESSFUL. REF AMM 34-43-00-710-802-001, 34-43-11-000-801, 34-43-11-400-801, 34-43-11-000-802, 34-43-11-400-802, ETOPS PART VERIFIED, SEAM C.

Part: LIGHT — INOPERATIVE · airframe 12,552 hrs · 3,836 cycles

AUTO THROTTLE ARM LIGHT INOPERATIVE. ACFT GROUNDED. WITH MAIN PANEL LIGHT CONTROL TO MID THROUGH FULL BRIGHT ARM LIGHT IS ILLUMINATED WHEN ARMED. ACCOMPLISHED AUTO THROTTLE SYS. OPS TEST, TEST PASS GROUND VERIFICATION PASS REF M/M 22-31-00-710-801, 22-11-34-740-801.

Part: WARNING LIGHT — ILLUMINATED · airframe 12,218 hrs · 3,734 cycles

LIGHT ILLUMINATED DURING POWER INTERRUPTION. ACFT GROUNDED. RESET CIRCUIT BREAKERS SPCU NORMAL AND SPCU STBY B1 AND B2 RETESTED SYS IAW FIM TASK 24-31, SYS OPS CHECKED GOOD.

Part: CONTROL VALVE — MALFUNCTIONED (LT A/C PACK) · airframe 12,011 hrs · 3,673 cycles

LT PACK LIGHT ILLUMINATED ON MASTER CAUTION RECALL. LIGHT EXTINGUISHES WHEN RESET. ACFT GROUNDED. NR 1 ZONE TEMP CONTROLLER SHOWS SEVERAL LT TCV FAULTS. REPLACED LT TCV (V139) REF AMM 21-61-21, BITE TEST OPS CK NORMAL REF AMM TASK 21-61-00, AND GROUND VERIFICATION TEST SUCCESSFUL.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 11,832 hrs · 3,624 cycles

LEFT PACK LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. ACCOMPLISHED CABIN TEMP CONTROL BITE IAW FIM 21-61-00, TASK 801. OPS CHECK NORMAL, GROUND VERIFICATION SUCCESSFUL NO HISTORY 30 DAYS.

Part: WARNING LIGHT — ILLUMINATED (A/C PACK) · airframe 11,716 hrs · 3,591 cycles

ON RECALL, A/C PACK LIGHT ILLUMINATED GOES OUT ON MASTER RECALL. RESET SYS AND RAN PACKS FOR 10 MINUTES, COMPLETED CABIN TEMP CONTROLLER BITE ON NR 1 AND NR 2 SYS, GROUND FUNCTIONAL CHECKED GOOD, FIM REF 21-61 TASK 801, NO HISTORY LAST 45 DAYS.

Part: PUMP — FAILED (NR 1 ENGINE) · airframe 11,536 hrs · 3,542 cycles

ON ENGINE START NO LIGHT OFF, REACHED 52 N2 THEN ROLLED BACK. RAN QRC/QRH PROCEDURE. ATTEMPTED SECOND START GOT LIGHT OFF, FUEL FLOW WAS VERY ERRATIC, AND ENGINE ROLLED BACK AGAIN, ABORTED START. ACFT GROUNDED. INSPECTION OF 5TH STAGE CHECK VALVE IS GOOD PER MM 36-11-02-200-801. ACCOMPLISHED PNEUMATIC LEAK CHECK, NO LEAKS NOTED. REPLACED FUEL PUMP AND HMU PER MM 73-11-01-000-801-F00. ACCOMPLISHED ALL REQUIRED TEST. ALL TESTS NORMAL. (FUEL PUMP PACKAGE INSTL MM 73-11-01-400-801-F00) REPLACED ACTUATOR SPAR VALVE REF MM 28-22-11-400-804 STEP 5. 71960. PERFORMED ENGINE FUEL SPAR VALVE ELECTRICAL CONTROL AND INDICATING TEST FOR NR 1 ENG LT SPAR VALVE IAW MM 28-22-00-710-801.

Part: CIRCUIT BREAKER — TRIPPED (FMC) · airframe 11,510 hrs · 3,535 cycles

AT GATE -FMC 2 FAILED. COMPUTER 2 BREAKER IS OUT. CONFIRMED C/B OUT. VISUAL INSPECTION BEHIND P6 PANEL & AT NR 2 FMC COMP & RACK -GOOD. NO HISTORY -60 DAYS. C/B RESET NORMALLY & STAYS IN OPS CHECK & GROUND VERIFICATION OF NR 1 & NR 2 FMCS GOOD. REF MM 34-61-00, REF 20-60-01 FOR C/B RESET.

Part: INDICATION SYS — MALFUNCTIONED (FUEL QTY) · airframe 11,429 hrs · 3,515 cycles

DURING DESCENT, LEFT FUEL AND CENTER FUEL QTY AND TOTAL FUEL WENT BLANK FOR 15-20 SECONDS. ALL OTHER INDICATIONS NORMAL. PERFORM FIM TASK 28-41, TASK 801. NO ACTIVE FAULTS FOUND. NO HISTORY LAST 30 DAYS.

Part: PANEL — WORN (NR2 ENGINE) · airframe 11,316 hrs · 3,485 cycles

NR 2 ENGINE INLET AND FAN BLADES DETAILED INSPECTION. FOUND FAN DUCT PANEL NR 5 AT APPROX 430 O`CLOCK POS (ALF) HAS DAMAGED FASTENER HEADS FROM BEING LOOSE. REPLACED NR 5 FAN DUCT PANEL FASTENERS REF MM 72-23-07.

Part: CONTROL VALVE — FAULTED (LT A/C PACK) · airframe 11,257 hrs · 3,467 cycles

ON RECALL, MASTER WARNING, A/C - ANNUNCIATOR AND LT LIGHT CAME ON. ALL EXTINGUISHED UPON RESET. PERFORMED BITE TEST OF LT PACK ZONE TEMP CONTROLLER REF AMM 21-61-00-700-806-002. VERIFIED FAULT, FOUND FAULTED LT PACK TCV. REPLACED LT PACK TEMP CONTROL VALVE. OPS AND LEAK CHECKS GOOD NO FAULTS ON BITE TEST AFTER MX.

Part: CONTROL VALVE — MALFUNCTIONED (A/C PACK) · airframe 11,038 hrs · 3,406 cycles

ON MASTER CAUTION RECALL, RT PACK LIGHT ILLUMINATES. DID THE QRH PROCEDURE - THE RT PACK LIGHT WENT OUT ON RESET. ACCOMPLISHED ZONE TEMP CONTROLLER BITE IAW FIM 21-62, TASK 801 - NR 2 CONTROLLER SHOWED FAULT THIS PACK TCV. PERFORMED T/S FOR TCV FAULT IAW FIM 21-62, TASK 831, INITIAL EVALUATION DID NOT CONFIRM FAULT AND FAULT CLEARED WITH VERIFY TEST. OPERATED RIGHT IAW MM 21-00-00-800-803, PACK OPERATED NORMALLY AND AFTERWARDS ZONE TEMP CONTROLLER BITE SHOWED NO FAULTS.

Part: WARNING LIGHT — ILLUMINATED (ACTUATOR) · airframe 10,965 hrs · 3,387 cycles

DURING RECALL OF MASTER CAUTION LIGHT THE RT PACK LIGHT ILLUMINATED. ON RESET LIGHT EXTINGUISHED. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST. NR 2 CONTROLLER FLAGGED RAM AIR ACT. (RT) FAULT IS INTERMITTENT. ABLE TO CLEAR WITH VERIFY. NO HISTORY PAST 30 DAYS, REF AMM 21-61-00-700-806-002.

Part: FLOW DIVIDER — FAILED (APU) · airframe 10,686 hrs · 3,313 cycles

CSS PASSED WITH FAULT LIGHT ON FIRST ATTEMPTED FL 390. SECOND ATTEMPT STARTED BETWEEN FL 380 AND FL 350 APU STARTED FINE. ACFT GROUNDED. IAW POWERPLANT ENG REQUEST ACCOMPLISHED TASK 49-60, TASK 899 WITH FOLLOWING RESULTS FAULT HISTORY PAGE SHOWS 49-31016 JAN 23 GMT 0303 STARTS OLD 4, ENGINEERING DATA PARAMETERS 1.(117) 2.(4452) 3.(-29) 4.(-1162) 5.(6764) 6.(23144) 7.(4564) 8.(22258). MX HISTORY PAGE SHOWS 49-52270 JAN 23 GMT 0352 STARTS OLD 2 AND 3, ENGINEERING DATA PARAMETERS SAME FOR STARTS OLD 2 AND 3 1.(16408) 2.(4251) 3.(0) 4.(0). 49-52270 JAN 23 GMT 0302 STARTS OLD 4 AND 5, ENGINEERING DATA SAME FOR STARTS OLD 4 AND 5 1.(16952) 2.(-5272) 3.(0) 4.(0). 49-41253 JAN 21 GMT 0051 STARTS OLD 14, ENGINEERING DATA 1.(-28670) 2.(9648) 3.(56) 4.(0). CURRENT STATUS APU NO FAULTS FOUND. ACCOMPLISHED FIM 49-54, TASK 804 FOR CODE 49-52270, IAW INITIAL EVAL E.1.B DOES NOT SHOW AS CURRENT, FAULT IS INTERMITTENT. FAULTS 49-31016 AND 49-41253 HAVE M1710 START CONVERTER AND M1850 START POWER UNITS COMMON. POWERPLANT ENGINEERING AND REVIEWED THE DOWNLOADED DATA AND DETERMINED THE FUEL FLOW DIVIDER SOLENIOD FAILED TO OPEN THE SECONDARY FUEL MANIFOLD. REPLACED FUEL FLOW DIVIDER IAW AMM 49-31-15 R2. FUEL FLOW DIVIDER LEAK AND OPS CK GOOD IAW REF 49-31-15MM.

Part: ACTUATOR — FAULTED (RAM AIR) · airframe 10,615 hrs · 3,293 cycles

ON FINAL APPROACH PACK LIGHT FOR LT A/C PACK ILLUMINATED ON RECALL. WAS ABLE TO RESET WITH MASTER CAUTION. VERIFIED PACK LIGHT ILLUMINATES ON RECALL AND WILL EXTINGUISH WITH RESET. RAN BITE CHECK ON BOTH TEMP CONTROLLERS, RAM AIR ACTUATOR FAULT SHOWED FOR LT PACK. R & R LT RAM AIR ACTUATOR. OPS CHECK GOOD IAW AMM 21-51-21.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 10,531 hrs · 3,272 cycles

LEFT PACK LIGHT ILLUMINATED ON FINAL APPROACH. PERFORMED BIT CHECK ON BOTH TEMP CONTROLLERS REF TASK 21-62 TASK 801 NO FAULTS LOGGED, GROUND VERIFICATION CHECKED GOOD REF MM 21-61-00-700-806. ACFT OK FOR CONTINUED SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 10,531 hrs · 3,272 cycles

LEFT PACK WARNING LIGHT ILLUMINATES WHEN RECALL IS PRESSED, EXINGUISHES WITH MASTER CAUTION RESET. PERFORMED LT PACK BITE CHECK IAW AMM 21-51-00-700-803. NO FAULTS INDICATED.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 10,513 hrs · 3,267 cycles

LEFT PACK ON WITH RECALL. NR 1 PACK TEMP CONTROLLER LOGGED RAM AIR ACT FAULT LAST FLT. PERFORMED BITE CHECK REF FIM 21-62 TASK 801 NO CURRENT FAULTS. PERFORMED RAM AIR FAULT ISOLATION REF FIM 21-62, TASK 837, NO FAULTS. GROUND FUNCTIONAL TEST PASSED.

Part: CONTROL VALVE — MALFUNCTIONED (LT ACM) · airframe 10,448 hrs · 3,253 cycles

LEFT PACK LIGHT ILLUMINATES ON RECALL AND EXTINGUISHES WITH MASTER CAUTION RESET. LEFT PACK ZONE TEMP CONTROLLER BITE LOGGED TCV FAULT, REF FIM 21-62, TASK 801. REPLACED LEFT TEMP CONTROL VALVE IAW AMM TASK 21-51-10-000-801 AND 21-51-10--400-801. LT PACK/ ZONE TEMP CONTROLLER BITE PASSED.

Part: WARNING LIGHT — FALSE ACTIVATION (A/C PACK) · airframe 10,349 hrs · 3,225 cycles

ON DESCENT THE LT PACK LIGHT ILLUMINATED & WOULD NOT RESET. PERFORMED FIM 21-62 TASK 801, PACK/ZONE CONTROLLER BITE PROCEDURE. NO FAULTS INDICATED. RAN PACKS WITHOUT PACK LIGHT ILLUMINATING. CONSIDER THIS AN INTERMITTENT FAULT. THERE IS NO MX HISTORY WITHIN THE PAST 30 DAYS.

Part: WARNING LIGHT — FALSE ACTIVATION (FMC) · airframe 10,069 hrs · 3,152 cycles

FMC DISAGREE DURING TAXI. ACCOMPLISHED QRH PROCEDURE. NORMAL OPS RESTORED.

Part: SCREW — VIBRATION (NR 2 ENGINE) · airframe 9,613 hrs · 3,034 cycles

VIBRATION ANOMALY ON NR 2 ENGINE, ALL PARAMETERS ARE WITHIN LIMITS. ACCOMPLISHED TSR WEIGHTS ON ENGINE. MATCHED THE AAVM LOC. 24-P12 & LOC 26-P12 PERFORMED ONE PLANE BALANCE & CHANGED CONFIG TO NEW SOLUTION - LOC 24 FROM P12 TO P14, 26 FROM P12 TO P14, LOC 29 FROM P14 TO P12, & 34 FROM P14 TO P12. VIBRATION LEVELS RETURNING TO NORMAL AFTER INCORPORATION OF BALANCE SOLUTION.

Part: A/C PACK — WARNING LIGHT (RIGHT) · airframe 9,544 hrs · 3,010 cycles

RT PACK LIGHT ILLUMINATED ON RECALL. RT PACK AUTO TEMP CONTROLLER BITE TEST ACCOMPLISHED IAW MM 21-61-00 AND TCV FAULT CLEARED AND NO CURRENT FAULTS, OPS CK GOOD.

Part: REGULATOR — INOPERATIVE (NR 1 ENGINE) · airframe 9,497 hrs · 2,997 cycles

AFTER START UP, DUCT PRESSURE SPLIT OF APPROXIMATELY 12 PSI LT 8- RT 20. ACCOMPLISHED FAULT ISOLATION PROCEDURES TASK 36-10 TASK 804. TROUBLESHOT TO HIGH STAGE REGULATOR. R & R IAW TASK 36-11-07, OPS NORMAL.

Part: PANEL — LOOSE (NR 1 NACELLE) · airframe 9,181 hrs · 2,901 cycles

WHILE ACCOMP TC 78472000 ENG INLET & FAN DETAIL INSPECTION. FOUND NR 1 ENG INBD LOUVER PANELS LOOSE 200 & 600 POSITIONS AFT LOOKING FWD. ACFT GROUNDED. NR 1 ENG TIGHTENED LOUVER PANELS AT 200 & 600 POSITIONS REF AMM 72-23-07. OK FOR CONT SERVICE.

Part: PRESSURE SWITCH — MALFUNCTIONED (APU STARTER GEN) · airframe 9,239 hrs · 2,916 cycles

AT GATE ON APU PWR W/ PACKS RUNNING IT KICKED PWR OFF AND FAULT LT. CAME ON, WE PUT EXT PWR ON BUS. ACFT GROUNDED. REMOVED STARTER GENERATOR FILTER HSG AND FILTER ELEMENT IAW 49-91-12. NO CONTAMINATION OF FILTER ELEMENT NOTED. R & R STARTER GENERATOR OIL FILTER SWITCH IAW AMM 49-91-13. REPLACED OIL FILTER ELEMENT IAW AMM 49-91-12. LEAK CHECK OK. OPS CHECK NORMAL IAW AMM 49-11-00.

Part: WARNING LIGHT — FALSE ACTIVATION (AC PACK) · airframe 9,054 hrs · 2,860 cycles

RIGHT SIDE PACK LIGHT AFTER START. ACFT GROUNDED. TROUBLESHOT IAW FIM TASK 21-62-00-810-828. APPEARS TO HAVE BEEN AN INTERMITTENT FAULT. BITE VERIFICATION TEST NORMAL. OPERATED BOTH PACS, NO FAILURES NOTED.

Part: FMC — FALSE INDICATION · airframe 9,020 hrs · 2,853 cycles

AT START OR TAXI, FMC DISAGREE FAULT ILLUMINATED ON NAV DISPLAY. ACFT GROUNDED. PERFORMED FMC DISAGREE CHECKLIST, WHICH CORRECTED FAULT. OPS NORMAL.

Part: CONTROL PANEL — INOPERATIVE (AUTOPILOT) · airframe 8,829 hrs · 2,798 cycles

AUTOPILOT LIGHT WILL NOT ILLUMINATE. ACFT GROUNDED. R & R DFCS MODE CONTROL PANEL IAW AMM 22-11-34, OPS CHECK GOOD IAW AMM 22-11-34-740-801, LRU INTERFACE TEST AND 22-11-00 LAND VERIFY TEST, ACFT IS AUTOLAND AND HGS CAT III QUALIFIED.

Part: UNKNOWN — UNKNOWN (AUTOPILOT) · airframe 7,901 hrs · 2,518 cycles

AUTOPILOT ENGAGE, B LIGHT DOES NOT ILLUMINATE. ACFT GROUNDED. ACCOMPLISHED DFCS LRU INTERFACE FOR MCP CHAN B AND VERIFIED CMD B ENGAGE LIGHT ILLUMINATES WHEN PUSHED REF MM 22-11-34. OPS NORMAL.

Part: CONNECTOR — BROKEN (RT EXCITER) · airframe 7,343 hrs · 2,365 cycles

NR 1 ENGINE START FAILED WITH NO EGT AFTER FUEL FLOW INITIATED. QRH PROCEDURE COMPLETED. FOUND THE PIN FOR THE INGITION LEAD RECEPTACLE OF THE RT EXCITER BOX BROKEN OFF INSIDE THE IGNITOR LEAD. REPLACED THE RIGHT IGNITION EXCITER AND LEAD PER MM 74 11 01 AND MM 74 21 01, OPS CHECK GOOD.

Part: WINDOW — OVERHEATED (COCKPIT)

RIGHT FWD WINDOW OVERHEAT. BOTH R1 WINDOW HEAT CIRCUITS ARE BAD. R1 WINDOW REQUIRES REPLACEMENT. SENSOR FAULT WHCU R FRONT CHANGED SENSOR SWITCH 51079 TO SPARE NO HELP SWAPPED WHCU R FRONT WITH WHCU L SIDE PROBLEM STAYS WITH R FRONT. RETURNED WHCU'S TO ORIGINAL LOCATION. OVERHEAT LIGHT COMES ON AS SOON AS SWITCH IS PLACED FROM OFF TO ON. RETURNED SENSOR SWITCH 51079 TO PRIMARY. REPLACED R1 WINDOW REF AMM 56 11 11 400 801.

Part: START VALVE — FAULTY (NR 1 ENGINE) · airframe 6,542 hrs · 2,131 cycles

NR 1 ENG START VALVE OPEN LIGHT STAYED ILLUMINATED FOR 20 SECONDS AFTER START SWITCH AUTOMATICALLY SWITCHED OFF. REPLACED START VALVE REF AMM 80 11 03 000 801 F00 & 80 11 03 400 801 F00. COMPLIED W/ PNEUMATIC LEAK CK NO LEAKS NOTED REF AMM 71 00 00 700 809 F00. OPS CK PASS INSTALLATION COMPLETE.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 6,462 hrs · 2,109 cycles

FLT DECK ZONE TEMP LIGHT ILLUMINATES W/MASTER CAUTION LIGHT AFTER ENGINE START. GOES OUT ON RESET. FLIGHT DECK TRIM VALVE ILLUMINATED ON NR 2 CABIN ZONE TEMP CONTR. ACCOMPLISHED ZONE TEMP CONTROLLER (BITE) PER AMM 21 61 00. GRD VERIFICATION SUCCESSFUL.

Part: CONTROL MODULE — INOPERATIVE (COCKPIT) · airframe 6,405 hrs · 2,091 cycles

FLT ALT SELECTOR SWITCH ON PRESSURIZATION PANEL INOP. CONFIRMED, STUCK AT 44 500. PULLED & RESET C/B'S. WORKED FOR A WHILE, THEN STUCK AT 32 500. REPLACED CABIN PRESS CTRL MOD. OPS CHECK GOOD. GND VERIFICATION GOOD.

Part: CONTROL MODULE — DEFECTIVE (COCKPIT) · airframe 6,389 hrs · 2,086 cycles

FLT ALTITUDE DISPLAY ON PRESSURIZATION PANEL BLANKS WHEN ALTITUDE IS CHANGED. VERIFIED FLT ALT DISPLAY BLANK. REPLACED CABIN PRESS CONT MODULE REF MM 21 31 02. PERFORMED PRESS SYS GROUND TEST REF MM 21 31 00 700 802 AND SYS MANUAL TEST REF MM 21 31 00 710 801. TESTS OK.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 6,384 hrs · 2,085 cycles

L & R PACK CAUTION LIGHTS ILLUMINATED DURING MASTER CAUTION RECALL. PERFORMED BITE TEST CLEARED CAUTION LT & RT PACKS. TEST GOOD IAW B737 NG AMM 21 61 00.

Part: WIRE HARNESS — DAMAGED (APU) · airframe 6,033 hrs · 1,964 cycles

APU SURGING WITH A PACK SELECTED. GROUNDED YES. BITE CK SHOWS MAINT MSG 49 52270 DELTA PSI SENSOR SHOWS OUT OF RANGE DRIFT. CLEANED/ INSP THE TUBES FOR THE DELTA PRESSURE AND TOTAL PRESSURE SENSORS. NO DEFECTS OR DEBRIS NOTED. VERIFIED DELTA PRESSURRE SENSOR WIRING GOOD SENSOR P19 TO M1709 APU ECU D3599A. REF WDM 49 52 31. FOUND BROKEN SHIELD ON WIRE HARNESS OF PLUG P20. FOUND HIGH RESISTANCE ON PIN 4 AND 5.ALL OTHER WIRES ON P20 SHOW GOOD GROUND. WIREHARNESS FROM D10912P TO P20 REQUIRES REPLACEMENT. REPLACED APU HARNESS REF MM 49 11 01 000 802. PERFORMED OPS CK OF APU. SYS CKS NML. NO FAULTS LOGGED AFTER RUN..

Part: BATTERY — FAILED (E&E BAY) · airframe 5,912 hrs · 1,932 cycles

AUX BATTERY SHOWS A 3 AMP CHARGE AND 27 VOLTS. OPS TEST FOR AUX BAT CHARGER GOOD REF MM 24 31 31. MAINT CONTROL DIRECTED US TO REPLACE BOTH BATTERIES AND CHARGER (AUX). REPLACED BOTH BATTERIES AND AUX BAT CHARGER REF MM 24 31 31 AND 24 31 11. OPS NORMAL SAME.

Part: UNKNOWN — MALFUNCTIONED (FMC) · airframe 5,735 hrs · 1,872 cycles

RIGHT FMC FAILURE. PERFORMED FIM 34 61 00 810 807. TESTS OK. INTERMITTENT FAILURE PER FIM. SUCCESSFUL GROUND VERIFICATION.

Part: FILTER — DEFECTIVE (NR 1 IDG) · airframe 5,209 hrs · 1,702 cycles

DURING WALKAROUND FOUND NR 1 IDG DPI EXTENDED. REPLACED NR 1 IDG SCAVENGE AND CHARGE FILTERS NO CONTAMINATION/DISCOLORATION NOTED. RESET DPI AND BREAKER. RAN ENGINE NO LEAKS NOTED. REF AMM 24 11 41 200 801 AND 24 11 41 400 801.

Part: SHIM — WORN (NR 2 ENGINE) · airframe 4,900 hrs · 1,600 cycles

NR 2 ENG FAN BLADE SHIMS RUBSTRIP WORN OFF ALL 24 BLADES. REPLACED ALL 24 FAN BLADE SHIMS FOR ENG NR 2 PER TASK CARD 78472002 24.

Part: SIGN — BROKEN (CABIN) · airframe 4,781 hrs · 1,554 cycles

EMERGENCY EXIT SIGN AT AFT ENTRY BROKEN. REPLACED BROKEN AFT GALLEY OVERHEAD EMERGENCY EXIT/F/A CALL SIGN. OPS CHECKED EMERGENCY AND F/A CALL LIGHTS. REF MM 33 51 01 960 802.

Part: UNKNOWN — MALFUNCTIONED (AUTOPILOT SYS) · airframe 4,516 hrs · 1,469 cycles

AUTOPILOT "B" CMD BUTTON. THE GREEN LIGHT THAT NORMALLY STAYS ILLUMINATED WHEN THE CMD BUTTON IS SELECTED IS NOW FLASHING. THE AUTOPILOT IS WORKING NORMALLY. ACCOMPLISHED DFCS LAND VERIFY TEST PER AMM PT II 22 11 00/201. ALL TESTS PASSED. VERIFIED "B" CMD BUTTON LIGHTING CAME ON SOLID DURING ENGAGEMENT.

Part: UNKNOWN — MALFUNCTIONED · airframe 4,483 hrs · 1,451 cycles

TR UNIT LIGHT ILLUMINATED. FOUND TRU 1 2 3 BREAKERS OPEN. RESET PER 20 60 01 AND ACCOMPLISHED DC SYSTEM OPS TEST OK PER 24 31 00 700 801. ENGINE RUN AND POWER TRANSFERS OK WITH NO DISCREPENCIES NOTED.

Part: COMPUTER — MALFUNCTIONED (E&E BAY) · airframe 4,474 hrs · 1,448 cycles

FMC DISAGREE ILLUMINATED. REPLACED NR 2 FMC COMPUTER REF MM 34 61 02. FMC SYS OPS NML REF MM 34 61 00. ETOPS GROUND VERIFICATION TEST SUCCESSFUL.

Part: UNKNOWN — MALFUNCTIONED (FMC) · airframe 4,462 hrs · 1,441 cycles

FMC DISAGREE ILLUMINATED ON GROUND IN PDX. FMC INDICATIONS HAVE RETURNED TO NORMAL AFTER RESET PER QRH.

Part: FMC — INOPERATIVE (LEFT) · airframe 4,362 hrs · 1,402 cycles

LEFT FMC INOP CDU BLANK. FMCS CDU BITE SHOWS LEFT CDU FAULTING ON MULTIPLE LEGS IN THE INFLIGHT FAULTS PAGE (LETTER 'B' SHOWN ON FLT LEGS). CONFIRMED NO DEFECTS ON CONNECTORS D2181, D3263, D3267 AND D2179A. CONFIRMED CONNECTOR D2181 GOT GOOD GROUND ON PINS 31, 26, 25, 11 AND 115 VAC ON PIN 30. VERIFIED WIRINGS FROM D3263 TO D2181 AND D3267 TO D2179A ARE GOOD. REF TO AMM 34-61-01 PAGE BLOCK 401 REMOVED LT FMCS CDU AND RELOCATED THE RT CDU TO LT POSITION AND INSTALLED NEW FMCS CDU TO RIGHT POSITION. ACCOMPLISHED FMCS OPS TEST NORMAL IAW TASK 34-61-00-710-801.

Part: ACCESSORY UNIT — MALFUNCTIONED (E&E BAY) · airframe 4,357 hrs · 1,401 cycles

CAPT MCDU BLANK. DE PINNED CONN D3263 PINS L AND M NO DEFECTS. REPLACED BOTH PINS PRECAUTIONARY PER WDM 34 61 11 REF SWPM 20 74 11. REPLACED IFSAU PER MM 22 11 37. BOTH FMC CDU'S OP CHECK NORMAL. KEPT PWR ON A/C FOR APPROX 30 MIN'S WITH NO DEFECTS. RE-INSTALLED ORIGINAL IFSAU TO CONFIRM THE LRU IS BAD. AFTER APPROX 30 MINS CAPT'S MCDU WENT BLANK. SUSPECT BAD IFSAU. REPLACED IFSAU PRECAUTIONARY PER MM22 11 37. REQUIRES OPS TEST AND LWMP TEST. INSPECTED IFSAU CONNECTORS AND CHECKED SECURITY OF PIN INSTALLATION AND PIN TENSION. CHECKS GOOD. REMOVED PINS L & M AND INSTALLED NEW ONES ON CONNECTOR D3267. REMOVED FMC NR 1 AND DEPINNED D2179A E13 AND D13 VERIFIED GOOD CONTACT CRIMPS AND REPINNED D2179A REF WDM34 61 11. RE-INSTALLED FMC NR 1 REF MM 34 61 02. REMOVED NR 1 FMC MCDU AND DEPINNED D2181 2 3 8 9 11 13 25 26 30 VERIFIED GOOD CONTACT CRIMPS AND RE-PINNED D2181 REF WDM34 61 11. RE-INSTALLED NR 1 FMC MCDU REF MM34 61 01. NR 1 FMC AND MCDU OPS NORMAL. IFSAU OPS NORMAL. ACCOMPLISHED LRU REPLACE TEST BITE GROUP NR 35. OPS NORMAL.

Part: UNKNOWN — MALFUNCTIONED (COCKPIT) · airframe 4,348 hrs · 1,398 cycles

FMC DISPLAY FROZEN. ACARS OPS OK. PER ENGINEERING REQUEST ACCOMPLISHED THE FOLLOWING. REMOVED FMC NR 1 AND DISCONNECTED CONNECTORS D3267 D3263 D45235P AND D5925J. WHILE SHAKING ACCESIBLE WIRE BUNDLES AND CHECKING PIN SECURITY AND TENSION VERIFIED GOOD CONTINUITY WITH NO FLUCTUATIONS THROUGH THE FOLLOWING PIN PAIRS D5925P A6 TO D3263 L D45235P B14 D6063J 12 AND D5925P A7 TO D3263 M D45235P B17 D6063J 13. WIRES AT TB521 YA3 AND YB3 SECURE. NO OTHER DISCREPANCIES NOTED. COULD NOT DUPLICATE. RE-INSTALLED FMC NR 1 REF MM34 61 02 AND RE CONNECTED D3267 D3263 D45235P AND D5925J. PRECAUTIONARY REPLACED R475 FMC TRANSFER RELAY NR 1 REF WDM34 61 11. FMC NR 1 AND R475, OPS NORMAL.

Part: CONNECTOR — MALFUNCTIONED (COCKPIT) · airframe 4,232 hrs · 1,359 cycles

CAPT FMC DISPLAY BLANK. FMCS CDU BITE SHOWS LEFT CDU FAULTING ON MULTIPLE LEGS IN THE INFLIGHT FAULTS PAGE (LETTER 'B' SHOWN ON FLT LEGS). CONFIRMED NO DEFECTS ON CONNECTORS D2181, D3263, D3267 AND D2179A. CONFIRMED CONNECTOR D2181 GOT GOOD GROUND ON PINS 31, 26, 25, 11 AND 115VAC ON PIN 30. VERIFIED WIRINGS FROM D3263 TO D2181 AND D3267 TO D2179A ARE GOOD. REF TO AMM 34-61-01. REMOVED LT FMCS CDU AND RELOCATED THE RT CDU TO LT POSITION AND INSTALLED NEW FMCS CDU TO RT POSITION. ACCOMPLISHED FMCS OPS TEST NORMAL IAW TASK 34-61-00-710-801.

Part: FMC — FAILED (E&E BAY) · airframe 4,215 hrs · 1,352 cycles

CAPT'S FMC FUNCTION INOP ACARS MENU WORKS. REPLACED NR 1 FMC OPS CHECK GOOD REF MM 34 61 02 34 61 00 470 806 AND 34 61 00 810 801.

Part: DISPLAY — FAULTY (COCKPIT) · airframe 4,146 hrs · 1,328 cycles

NR 1 MCDU BLANK. CYCLED ACFT POWER TO REBOOT COMPUTERS NR 1 CDU OPS CHECKS NORMAL. NR 1 MCDU THEN LOCKED UP. ON NR 1 FMC CHECKED INFLIGHT FAULTS. FLT 9 HAD CDU FAULT. OPS CHECK OF NR 1 FMC AND NR 1 FMC CDU REF MM 34 61 00 710 801 AND 34 61 00 400 802. OPS NORMAL. PRECAUTIONARY REMOVED AND REPLACED NR 1 FMC CDU REF MM 34 61 01 000 802 AND 400 802. OPS NORMAL.

Part: APU — MALFUNCTIONED (TAIL) · airframe 4,144 hrs · 1,327 cycles

FLIGHT ATTENDANT REPORTED VERY STRONG "DIRTY SOCK" ODOR FROM 18000 TO LANDING (ON DESCENT INTO SEA). THE ODOR LASTED FOR 20 MINS. ENGINE ANTI ICE WAS USED AT 18000 FT FOR 5 MINS AND THEN TURNED OFF FOR REST OF THE FLIGHT. ACCOMPLISHED TASK 05 60 00 280 801C1. FOUND OIL EVIDENT ON THE REMOVED DRAIN FITTING FROM THE APU LOAD COMPRESSOR CASE. FLUORESCENT INSPECTION VERIFIED OIL CONTAMINATION. REPLACED APU. ACCOMPLISHED OPS CHECK AND APU INSTALLATION TEST REF MM 49 11 00 400 803.

Part: FILTER ELEMENT — DIRTY (APU) · airframe 4,010 hrs · 1,284 cycles

ON SERVICE CHECK FOUND APU RED FILTER BUTTON EXTENDED. REMOVED AND REPLACED APU LUBE FILTER ELEMENT ASSY REF MM 49 91 12, OPS GOOD. PERFORMED APU MAGNETIC DRAIN PLUG INSPECTION NORMAL REF MM 49 91 81, OPS CHECKS NORMAL.

Part: UNKNOWN — MALFUNCTIONED (AUTOTHROTTLE SYS) · airframe 3,962 hrs · 1,266 cycles

IN CRUISE AT 380 AIRSPEED DECREASED AND INCREASED SIGNIFICANTLY WITH NO AUTOTHROTTLE RESPONSE (ISA 1) (NO TURBLUANCE) OPTIMUM CRUISE ALTITUDE 388 THE AUTOTHROTTLES FUNCTIONED CORRECTLY IN ALL OTHER PHASES OF FLIGHT. COULD NOT DUPLICATE DEFECT. NO FAULTS LISTED LAST 15 LEGS IN A/T FAULT HISTORY. ACCOMP A/T CURRENT STATUS TEST SEVERAL TIMES. CHECK OK, NML REF MM:22 31 00. ALSO PRECAUTIONARY CHECK HGS FAULT FLT HISTORY & DFCS FLT FAULT REVIEW FOR RELATED FLT LEG ALL SHOW NO FAULTS REF SMM:34 36 00 & FIM:22 11/801.

Part: UNKNOWN — MALFUNCTIONED (FMC) · airframe 3,450 hrs · 1,097 cycles

ON TAXI OUT RECEIVED FMC DISAGREE MESSAGE. PERFORMED QRH 11.2 CHECKLIST AND THAT RESOLVED THE ERROR MESSAGE.

Part: UNKNOWN — MALFUNCTIONED (AUTOLAND SYS) · airframe 2,658 hrs · 859 cycles

DURING AUTOLAND "NO FLARE ARMED" DISENGAGED CAPT'S AUTOPILOT. HGS AIII NORMAL ROLLOUT ARMED ANNUNCIATED. PERFORMED FIM 22 11 TASK 801 BITE GROUP 20 "FAULT REVIEW" AND 22 11 00 PG 201 BITE GROUP 49 "LAND VERIFY TEST" FAULT REVIEW LAST 10 LEGS ONLY HAD ONE GLIDESLOPE FAULT IN FLIGHT LEG NR 2 OTHER LEGS HAD NO FAULTS (CHANNEL A & B). LAND VERIFY TEST PASSES. FAULT NOT CONFIRMED NO HISTORY LAST TEN DAYS.

Part: TRANSCEIVER — FAILED (WX RADAR SYS) · airframe 2,577 hrs · 828 cycles

WEATHER RADAR FAIL LIGHT CAME ON. REMOVED AND REPLACED WEATHER RADAR RECEIVER / TRANSMITTER PER MM 34-43-41. OPS CHECK GOOD.

Part: UNKNOWN — MALFUNCTIONED (WEATHER RADAR) · airframe 2,536 hrs · 818 cycles

AT CRUISE ALT (FL350) "WXR FAIL" ON BOTH CAPT AND F/O NAV DISPLAYS. COMPLIED WITH WX RADAR SYSTEM AND FUNCTIONAL CHECK REF FIM TASK 34 43 00 SYSTEM GROUND FUNCTIONAL CHECK GOOD. SEAMC NOTIFIED.

Part: UNKNOWN — MALFUNCTIONED (WEATHER RADAR) · airframe 2,531 hrs · 817 cycles

WXR FAIL ANNUNCIATED IN TEST MODE ANNUNCIATES PWS FAIL WXR FAIL RT. PERFORMED OPS TEST PER AMM 34 43 00 710 802 001 AND FIM SYSTEM BITE PER 34 43 00 810 801. OP`S AND BITE TEST GOOD. TEST PASS. INTERMITTENT FAULT.

Part: FILTER — DIRTY (COCKPIT) · airframe 2,429 hrs · 785 cycles

ZONE TEMP LIGHT (CONT CAB) ILLUMINATES ON "RECALL" GOES OUT WHEN MASTER CAUTION IS RESET. BOTH ZONE TEMP CONTROLLERS FAIL "FLT DECK TEMP SENSOR" PERFORMED CLEANING OF CABIN (FLT DECK) SENSOR FILTER ASSEMBLY PER AMM REF 21 61 06 100 801. ZONE TEMP LIGHT NO LONGER ILLUMINATES ON RECALL.

Part: ACCESSORY UNIT — MALFUNCTIONED (E&E BAY) · airframe 178 hrs · 67 cycles

PASSING 8500FT ON DEPARTURE WHEEL WELL FIRE WARNING LIGHT ILLUMINATED W/ FIRE WARNING BELL SOUNDING LOWERED GEAR AND RETURNED TO SEA. FIRE WARNING EXTINGUISHED AFTER (IMMEDIATELY) GEAR LOWERING. FIRE/OVHT DET UNIT LOGGED CODE 84 WW FIRE ALARM. VERIFIED NO PNEUMATIC LEAKS IN THE WHEEL WELL/KEEL BEAM AREA. ACCOMPLISHED FIM'S 26 18 T801& 802. MAIN W/W DETECTOR M270 CONT. CKS NML AS DOES MIN. RESISTANCE CORE TO GND CK. CHECKED AT DETECTOR & BACK OF M237. ALSO INSPECTED WIRING GOING TO DETECTOR M270 IN W/W. NO DEFECTS NOTED. REMOVED AND REPLACED M237 REF AMM 26 18 01. OPS NML REF MM 26 18 00. REPLACED M 270 DETECTOR OPS NML REF AMM 26 18 02/401.

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING A C-CHECK IN YUL, THE SEAT TRACK AT FS 35 AND 36 LEFT INBOARD WAS FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REMOVED AND REPLACED THE SEAT TRACK AT FRAME 35 AND FRAME 36 LEFT INBOARD IAW SRM 51-25-04. (M)

Part: BRACKET — CORRODED (FUSELAGE)

DURING A C-CHECK IN YUL, THE BRACKET AT FS 39, STRINGER 14R WAS FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REMOVED AND REPLACED THE BRACKET AT FRAME 39, STRINGER 14R IAW SRM 51-25-01. (M)

Part: FLOORBEAM — CORRODED (FUSELAGE)

DURNG A C-CHECK IN YUL, THE FLOORBEAM AT FRAME 36 WAS FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REMOVED AND REPLACED THE FLOORBEAM AT FRAME 36 IAW SRM 51-25-01. (M)

Part: INTERCOSTAL — CORRODED (FUSELAGE)

DURING A C-CHECK IN YUL, THE INTERCOSTALS BETWEEN FRAME 38 TO FRAME 39 STRINGERS 16L AND 16R WERE FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REMOVED AND REPLACED THE INTERCOSTALS BETWEEN FRAME 38 TO 39 AT STRINGERS 16L AND 16R IAW SRM 51-25-01. (M)

Part: FLOOR SUPPORT — CORRODED (FUSELAGE)

DURING A C-CHECK IN YUL, THE Z-FLOOR SUPPORT ON THE RIGHT SIDE BETWEEN FRAME 39 AND FRAME 41 WAS FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REMOVED AND REPLACED THE Z-FLOOR SUPPORT ON THE RIGHT SIDE BETWEEN FRAME 39 AND FRAME 41 IAW SRM 51-25-01. (M)

Part: FLOORBEAM — CORRODED (FUSELAGE)

DURING A C-CHECK IN YUL, THE FLOORBEAMS AT FRAME 38 AND 39 WERE FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REPAIRED THE FLOORBEAMS AT FRAME 38/39 IAW SRM 53-00-00. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING A C-CHECK IN YUL, THE SEAT TRACKS AT FRAME 36-39 AND FRAME 39-40 WERE FOUND TO BE CRACKED BEYOND LIMITS. MAINTENANCE REMOVED AND REPLACED THE SEAT TRACKS AT FRAME 36 TO 39 AND FRAME 39 TO 40 IAW SRM 51-25-04. (M)

Part: LIGHT — INOPERATIVE (CABIN)

DURING AN A-CHECK IN MCN, THE EMERGENCY EXIT LIGHT AT ROW 3B WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPOSITIONED THE EMERGENCY EXIT LIGHT AT ROW 3B. OPS CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: TORQUE SENSOR — INTERMITTENT (LEFT ENGINE)

DURING CRUISE FROM ATL-GPT - AT APPROXIMATELY 16,000 FEET THE CREW NOTICED AN ENGINE PITCH CHANGE ACCOMAPNIED BY A YAW, ALONG WITH THE LEFT ENGINE TORQUE DROPPING TO APPROXIMATELY TWENTY PERCENT AND THEN RETURNING TO NORMAL. THE CREW REDUCED THE POWER LEVERS TO APPROXIMATELY SIXTY PERCENT TORQUE WITH THE FLUCTUATION PATTERN CONTINUING PLUS OR MINUS THIRTY PERCENT, AT WHICH TIME THE CREW MOVED THE POWER LEVERS TO FLIGHT IDLE. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO MGM, LANDING SAFELY. MAINTENANCE REMOVED AND REPLACED THE NR 2 TORQUE SENSOR ON THE LEFT ENGINE. OPS AND LEAK CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: LIGHT — INOPERATIVE (CABIN)

DURING HANGAR MAINTENANCE IN MCN, THE PASSENGER DOOR EMERGENCY LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE PASSENGER DOOR EMERGENCY LGIHT LAMP. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: LAMP — BURNED OUT (EMERGENCY LIGHT)

DURING A HANGAR INSPECTIN IN MCN, THE PASSENGER DOOR EMERGENCY LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE PASSENGER DOOR EMERGENCY LIGHT LAMP. OPERAITONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: PROBE — INOPERATIVE (ENGINE TORQUE)

DURING APPROACH INTO ATL FROM LEX, THE CREW RECEIVED A TORQUE FLUX INDICATION ON THE LT ENGINE EXCEEDING LIMITS FROM THIRTY PERCENT TO PAST THE RED LINE. QRH PROCEDURES WERE COMPLIED WITH AND THE CREW REDUCED LT ENGINE SPEED TO FLIGHT IDLE AT APPROXIMATELY 1,000 FT. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED SAFELY IN ATL. MAINTENANCE REMOVED AND REPLACED THE NR 2 TORQUE PROBE ON THE LEFT ENGINE. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: CONNECTOR — FAULTY (CABIN)

FLT 4108 - DURING FLIGHT FROM MYR TO ATL, THE FLIGHT ATTENDANT REPORTED THAT THE FIRST SEVEN ROWS OF EMERGENCY FLOOR TRACK LIGHTS ILLUMINATED. BOTH EMERGENCY SWITCHES WERE IN THE ARMED POSITION. MAINTENANCE REMOVED AND REPLACED THE CANNON PLUG AT THE 43WL POWER SUPPLY. OPS CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: POWER SUPPLY — DISCHARGED (CABIN)

FLT 4039 - DURING INCOMING RUNS IN MCN, WITH THE EMERGENCY LIGHTS ARMED, SEVERAL EMERGENCY LIGHTS WERE ILLUMINATED FROM ROWS 1-7 ON THE FLOOR, CEILING, AND SIDEWALL. MAINTENANCE REMOVED AND REPLACED THE POWER SUPPLY IN THE 43WL POSITION. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: FLOORBEAM — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE UPPER FLANGE OF THE FLOORBEAMS AT FRAMES 36, 39 AND 40 HAD SURFACE CORROSION BEYOND LIMITS AROUND THE NUTCLIP HOLES FROM STRINGER 14 LEFT TO STRINGER 14 RIGHT. MAINTENANCE REPAIRED THE CORRODED FLOORBEAM UPPER FLANGES IAW ASA EO 72-53-0132. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING (C) CHECK INSPECTION, THE RIGHT HAND OUTBOARD SEAT TRACK HAD CORROSION OUT OF LIMITS TEN INCHES AFT OF FRAME 34 AT THE (T1) NUTPLATE HOLE AREA. MAINTENANCE REPAIRED THE CORRODED SEAT TRACK IAW EO.

Part: BULB — BURNED OUT (CABIN)

DURING HANGAR INSPECTION IN MCN, THE AFT FLOOR EMERGENCY TRACK LIGHTING WAS FOUND BURNED OUT. MAINTENANCE REMOVED AND REPLACED THE BURNED OUT EMERGENCY LIGHT BULBS. OPERATIONAL CHECK GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: LIGHT — CORRODED (CABIN)

FLT 4259 - DURING GROUND INSPECTION IN ATL, THE EMERGENCY LIGHT ON THE PASSENGER DOOR AS WELL AS THE EXTERIOR EMERGENCY LIGHT ON THE AFT FUSELAGE WERE INOPERATIVE. MAINTENANCE CLEANED OFF CORROSION THAT WAS FOUND ON THE EMERGENCY LIGHTS ON THE PASSENGER DOOR AND THE AFT SECTION OF FUSELAGE. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: PROBE — FAILED (TAT SYSTEM)

FLT 4171 - DURING CLIMB FROM ATL-GNV, CREW REPORTED A STRONG ELECTRICAL SMELL IN THE COCKPIT. THEN THE F/O'S TAT AND ALPHA PROBE LIGHTS ILLUMINATED WITH ANTI-ICE ON CAP. AIRCRAFT RETURNED AND LANDED SAFELY IN ATL. MAINTENANCE REMOVED AND REPLACED THE RIGHT TAT PROBE. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)