N793UA
Registered owner: UNITED AIRLINES INC, IL (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| UNITED AIRLINES, INC. (CALA) | Operator | on 2025-05-26 | Operator named in NTSB report |
Accident & incident history
Operated by United Airlines (per NTSB report)
Not yet finalized — may be revised.Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
184 reports on file, 1999-04-11 – 2026-05-31.
Part: UNKNOWN — ODOR (ZONE 200) · airframe 115,714 hrs · 15,231 cycles
SMOKE ODOR CONDITIONAL INSP REQUIRED PER AMM 05-51-XX DUE TO AN INCIDENT REPORTED BY THE CREW.SMOKE ODOR CONDITIONAL INSP REQUIRED PER AMM TASK 05-51-58-800-801-C3 DUE TO AN INCIDENT REPORTED BY THE CREW. C/W AMM 05-51-58-800-801-C3, CONDITIONAL INSPECTION AFTER SMOKE/ODOR, FOUND 5 OVENS IN AFT GALLEY VERY DIRTY AND DEFERRED THE OVENS. FORM 46.6020 SUBMITTED TO TOMC.
Part: ENGINE — FAILED (NR 2) · airframe 114,233 hrs · 15,074 cycles
RIGHT ENGINE COMPRESSOR STALL ON APPROACH. IAW AMM 72-00-00, REV 106. ON ARRIVAL FOUND NR 2 ENGINE WITH THE LOW PRESSURE COMPRESSOR EXIT FAIRING COMPLETELY DETACHED AND STUCK ON THE BYPASS GUIDE VAINS. IAW AMM 72-00-00 REV106 ALL FAN BLADES TRAILING EDGE SIDE FOUND DAMAGED BY THE FOB. IAW AMM 72-00-00, REV 106 AFTER INSPECTION FOUND PARTICLES OF THE FOD INGESTED IN THE ENGINE CORE. IAW AMM 78-31-00 REV 106 FOUND ON LT THRUST REVERSE DAMAGE FROM FOD AT 8 O`CLOCK DIMENSIONS 20MM X 14MM & 9 O`CLOCK DIMENSIONS 10MM X 10MM.
Earlier reports · 1999–2025 · 182 reports
2025
Part: ENGINE — MAKING METAL (NR 2) · airframe 113,728 hrs · 15,025 cycles
RIGHT ENG FAILED. OIL PRESSURE ZERO. LOUD BANG & SURGE. DEBRIEFED CREW, ENG WINDMILLED FOR 2.5HRS, SHUTDOWN AFTER A COMPRESSOR STALL AS PRECAUTION DUE TO FLUCTUATING OIL PRESS. BUG SHOWS SERVICE REQUIRED. ENG OIL QTY REMAINED AT 23QTS. LOWER ENG HAD EVIDENCE OF OIL LEAK. ENG SHUTDOWN AFTER OIL PRESSURE DROPPED TO ZERO FOLLOWED BY COMPRESSOR STALL, ENG SHUTDOWN WAS MANDATORY PER CHECKLISTS. PER FIM TASK 71-05 TASK 819, FOUND A LARGE AMOUNT OF METAL CHIPS & FLAKES ON MAIN GEARBOX CHIP DETECTOR AT FWD FACE OF GEARBOX & MASTER CHIP DETECTOR ON OIL TANK, MAIN GEARBOX CHIP DETECTOR LEAKS OIL & DOES NOT STOP WHEN CHIP DETECTOR REMOVED, SUSPECT METAL DEBRIS HOLDING IT OPEN. ALL OTHER CHIP DETECTORS SHOW NO CONTAMINATION, BUT OIL IS DARK. BOTTOM PART OF ENG WET WITH OIL. FOUND NO DEBRIS OR OIL OR LIQUID IN ENG INLET OR EXHAUST. REMOVED #2 ENG GEARBOX CRANK PAD COVER TO MANULLY TURN N2 ROTOR. FOUND GEARBOX CRANK PAD HEX DRIVE SEIZED, UNABLE TO TURN GEARBOX & N2 ROTOR.
Part: COVER — OUT OF POSITION (ZONE 800) · airframe 113,213 hrs · 14,971 cycles
3R COVER FOR ARMING LEVER DOESNOT LIE FLUSH. REPLACED R3 DOOR SLIDE SWTICH LEVER COVER HINGE REF IPC 52-11-25-13A ITEM 635, OPS CHECK GOOD.
Part: BLADE — BROKEN (TURBINE) · airframe 111,230 hrs · 14,752 cycles
RIGHT ENGINE, EGT LIMIT EXCEEDED, MAINT MSG 77-62122, VISUAL CHECKED RIGHT ENGINE EXHAUST LAST STAGE TURBINE BLADE BROKEN.
Part: LIGHT — MALFUNCTIONED (ZONE 200) · airframe 110,465 hrs · 14,667 cycles
FA BUNK EMERGENCY LIGHT IS COMING ON FOR 2 SEC THEN OFF CONTINUO USLY EMERGENCY LIGHTS IN THE CABIN CREW REST FOUND TO OPERATE NORMALLY ON ARRIVAL. OPERATIONAL TEST CARRIED OUT IAW AMM 33-51-15 AND FOUND SERVICEABLE
2024
Part: STRUCTURE — CRACKED (ZONE 100) · airframe 108,994 hrs · 14,500 cycles
EA5310-07557 REV A OP003 (AD2019-11-02) 1EA FASTENER HOLE CRACK FOUND ON BS1035 LH RING CHORD TRANSFER REF. NON-ROUTINE WO.3966370. WING CENTER TANK LH BS1035 AT LBL81.30 FRONT SPAR CHORD REPAIRED AS PER EC/RA5710-02905 REV - PART 1 INTERIM REPAIR INSTRUCTION ITEM 1,INSP REQUIREMENT REFER EC/RA5710-02905 REV.PART 1,ITEM 2 AND ITEM3.
Part: STRUCTURE — CRACKED (ZONE 200) · airframe 108,994 hrs · 14,500 cycles
REFERENCE 9925954 EA5310-07557 REV A OP007 AD2019-11-02 STEP 22 1EA HOLE FND CRACK ON CTR TANK RING CHORD LAYER DETAIL REF TO ATT REPORT TRANSFER REF NON - ROUTINE WO.3969930 WING CENTER TANK RH FRONT SPAR RING CHORD AT RBL 81.30 REPAIRED AS PER EC/RA5710-02899 REV - PART 1 INTERIM REPAIR INSTRUCTION ITEM 1,INSP REQUIRMENT REFER EC/RA5710-02899 REV.PART 1,ITEM 2 AND ITEM3. WING CENTER TANK RH FRONT SPAR RING CHORD AT RBL 81.30 REPAIRED AS PER EC/RA5710-02899 REV - PART 1 INTERIM REPAIR INSTRUCTION ITEM 1,INSP REQUIRMENT REFER EC/RA5710-02899 REV.PART 1,ITEM 2 AND ITEM3.
Part: STRUCTURE — CRACKED (ZONE 100) · airframe 108,994 hrs · 14,500 cycles
REFERENCE 9925919 EA5310-07557 REV A OP007 AD2019-11-02 STEP 22 2EA HOLES FND CRACK ON CTR TANK FRONT SPAR LWR CHORD LAYER DETAIL REF TO ATT REPORT TRANSFER REF NON - ROUTINE WO.3969918 WING CENTER TANK RH FRONT SPAR LOWER CHORD AT RBL 81.30 REPAIRED AS PER EC/RA5710-02899 REV - PART 1 INTERIM REPAIR INSTRUCTION ITEM 1,INSP REQUIRMENT REFER EC/RA5710-02899 REV.PART 1,ITEM 2 AND ITEM3. WING CENTER TANK RH FRONT SPAR LOWER CHORD AT RBL 81.30 REPAIRED AS PER EC/RA5710-02899 REV - PART 1 INTERIM REPAIR INSTRUCTION ITEM 1,INSP REQUIRMENT REFER EC/RA5710-02899 REV.PART 1,ITEM 2 AND ITEM3.
Part: BATTERY — NO TEST (ZONE 200) · airframe 108,994 hrs · 14,500 cycles
DR L1 EMER LT BATT PACK M33424 TEST FAIL TRANSFER REF NON - ROUTINE WO.3883073 AND DR L1 EMER LT BATT M33424 REPLACED AND TESTED NORMAL IAW AMM33-51-06.
Part: CHARGER — NO TEST (ZONE 200) · airframe 108,994 hrs · 14,500 cycles
DR L3 EMER LT BATT PACK CHARGER M33405 FAIL. DR L3 EMER LT BATT CHARGER M33405 REPLACED AND TESTED NORMAL IAW AMM33-51-06.
Part: CHARGER — NO TEST (ZONE 200) · airframe 108,994 hrs · 14,500 cycles
DR L4 EMER LT BATT PACK CHARGER M33407 TEST FAIL. DR L4 EMER LT BATT CHARGER M33407 REPLACED AND TESTED NORMAL IAW AMM33-51-06
Part: SKIN — CRACKED (ZONE 200) · airframe 108,994 hrs · 14,500 cycles
EA5310-07557 REV A OP007 AD2019-11-02 STEP28 RH STA1035 FX SKIN AT LONGERON FTG AREA FND 1EA CRACK AS MARK AND THE CRACK WITHIN THE TRIM BOUNDARY DETAIL REF TO ATT REPORT TRANSFER REF NON - ROUTINE WO.3969937 AND ORIG BY V924733 FX BS993-1035 BTW S35R-37R SKIN REPAIRED WITH A REPAIR FILLER AND REPAIR DOUBLER INSTALLED IAW EA5310-07557 REV A OP20.
Part: SKIN — CRACKED (ZONE 200) · airframe 108,994 hrs · 14,500 cycles
EA5310-07557 REV A OP003 AD2019-11-02 2EA CRACK FND AT SKIN AND FASTENER HOLE ON BS1035 LH UNDERWING LONGERON FX TRANSFER REF NON - ROUTINE WO.3966647 AND ORIG BY V914372 FX BS993-1035 BTW S35L-37L SKIN REPAIRED WITH A REPAIR FILLER AND REPAIR DOUBLER INSTALLED IAW EA5310-07557 REV A OP14.
Part: FITTING — CRACKED (ZONE 300) · airframe 108,994 hrs · 14,500 cycles
EA5510-01896 REV C OP005 AD2013-08-02 1EA CRACK FOUND ON LH ELEV O/B ACTUATOR FITTING PLS PRINT AND ACCOMPLISH OP09 OF THIS EA TO REMOVE AND REPLACE THE CRACKED ACTUATOR FITTING TRANSFER REF NON - ROUTINE WO.3919768 AND ORIG BY V925919 LH ELEV O/B ACTUATOR FITTING REPLACED IAW EA5510-01896 REV C OP9.
2023
Part: BATTERY PACK — DISCHARGED (M33408/DOOR R4) · airframe 101,870 hrs · 13,668 cycles
DURING BATTERY PACK CAPACITY CHECK FOUND BATTERY PACK LOW CAPACI TY ON M33408 REF HAECO NON-ROUTINE NO.9452854 -ORIGINATED BY EMP V905467 SPEC NO.B777-33-3-7019. PERFORMED BY EMP V905467,IDT BY EMP V924356.REPLACED THE BATTERY PACK ON M33408 AND TEST OK AS PER AMM 33-51-06-960-802 REV 97.
Part: BATTERY PACK — DISCHARGED (M33098/DOOR R2) · airframe 101,870 hrs · 13,668 cycles
DURING BATTERY PACK CAPACITY CHECK FOUND BATTERY PACK LOW CAPACI TY ON M33098 REF HAECO NON-ROUTINE NO.9452854 - ORIGINATED BY EMP V905467 SPEC NO.B777-33-3-7019. PERFORMED BY EMP V905467,IDT BY EMP V924356.REPLACED THE BATTERY PACK ON M33098 AND TEST OK AS PER AMM 33-51-06-960-802 REV 97.
Part: BATTERY PACK — DISCHARGED (M33405/DOOR L3) · airframe 101,870 hrs · 13,668 cycles
DURING BATTERY PACK CAPACITY CHECK FOUND BATTERY PACK LOW CAPACI TY ON M33405 REF HAECO NON-ROUTINE NO.9452854 -ORIGINATED BY EMP V905467 SEPC NO.B777-33-3-7019. PERFORMED BY EMP V905467,IDT BY EMP V924356.REPLACED THE BATTERY PACK ON M33405 AND TEST OK AS PER AMM 33-51-06-960-802 REV 97.
Part: BATTERY PACK — DISCHARGED (M33097/DOOR R2) · airframe 101,870 hrs · 13,668 cycles
DURING BATTERY PACK CAPACITY CHECK FOUND BATTERY PACK LOW CAPACITY ON M33097 REF HAECO NON-ROUTINE NO.9452854 - ORIGINATED BY EMP V905467 SPEC NO.B777-33-3-7019. PERFORMED BY EMP V905467,IDT BY EMP V924356.REPLACED THE BATTERY PACK ON M33097 AND TEST OK AS PER AMM 33-51-06-960-802 REV 97.
Part: LAMP — INOPERATIVE (RH DOOR #2 SLIDE) · airframe 101,870 hrs · 13,668 cycles
DURING EMERGENCY LIGHT OPERATIONAL CHECK FOUND R/H DOOR NO.2 SLIDE OVERWING LIGHT INOP REF HAECO NON-ROUTINE NO.9452361 - ORIGINATED BY EMP V905467 SPEC NO.B777-33-3-7031. PERFORMED BY EMP V903219,IDT BY EMP V905467. REPLACED THE R/H DOOR 2 SLIDE/OVERWING LIGHT LAMP AND TEST OK AS PER AMM 33-51-04 -960-801 REV 97.
2022
Part: DRAIN MAST — CLOGGED (BELLY) · airframe 100,578 hrs · 13,457 cycles
WATER NOT DRAINING IN AFT OF AIRCRAFT. LAV SINKS, GALLEY DRAINS BACKING UP. REPEAT. UNCLOGGED AFT DRAIN MAST, VERIFIED AFT GALLEYS AND AFT LAV SINKS ARE WORKING NORMAL, PERFORMED DRAIN MAST HEATER OPERATIONAL CHECK AS PER AMM 30-71-00 VERIFIED OPS CHECKS SATISFACTORY.
2018
Part: SKIN — CHAFED (FUSELAGE) · airframe 92,462 hrs · 12,445 cycles
FUSELAGE SKIN STA 1035 S37L-38L FND EXISTING CHAFING. FUSELAGE SKIN STA 1035 STR 37L-38L CHAFING AREA REPAIRED AS PER ECRA 5343-01046 REV.
Part: NOT REPORTED — CRACKED (FUSELAGE) · airframe 92,462 hrs · 12,445 cycles
FOUND 1 EA HOLE CRACK AT 6:00 OâCLOCK AFTER OPEN HOLE HFEC INSP REF SB 777-53A0081 FIGURE 10 CIRCLE NOTE 2. HOLE CRACK AT 6:00 POSITION REPAIRED IAW ECRA 5343-01046.
Part: WEB — CRACKED (FUSELAGE) · airframe 92,462 hrs · 12,445 cycles
DURING OPEN HOLE INSP FOUND FASTENER HOLES CRACK AT LWR CHORD AND WEB ON BS1035 LT UNDERWING LONGERON. REPAIRED THE LT BS1035 CENTER WING BOX FRONT SPAR CHORD & WEB CRACK AS PER ECRA 5710-02684 REV.
Part: SKIN — CHAFED (FUSELAGE) · airframe 92,462 hrs · 12,445 cycles
REF NR L/P:9459063 - SPEC NO. B777-06-3-7157 - FUSE EXTERNAL SKIN STA 2108-2150 S1R-S3R FND CHAFING. FUSE EXTERNAL SKIN STA 2108-2150 STR 1R - STR 3R SKIN REPAIRED AS PER SRM 53-70-01 REPAIR 3 FIG202 REV77 AND ECRA 5330-06425.
Part: SKIN — CHAFED (FUSELAGE) · airframe 92,462 hrs · 12,445 cycles
REF NR L/P: 9459062 - SPEC NO. B777-06-3-7157 - FUS EXTERNAL SKIN STA2108-STA2150 S1L-S3L FND CHAFING. FUSE EXTERNAL SKIN STA2108-STA2150 STR 1L - STR 3L SKIN REPAIRED AS PER SRM 53-70-01 REPAIR 3 FIG202 REV77 AND ECRA 5330-06425.
Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 92,462 hrs · 12,445 cycles
OPERATION CHK FND DR4 4EA EMERGENCY LT NO ILLUMINATE. REPLACED THE DOOR 4R BATT PACK M33408 AND C/O TEST FND EMERGENCY LIGHT ''NORMAL'' REF AMM 33-51-06-960-802 REV 83.
Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 92,462 hrs · 12,445 cycles
EMERGENCY LIGHT TEST FND L3 EMERGENCY AREA LT NO ILLUMINATE. THE BATTERY PACK REPLACED AND CONDITION CHK, TEST ''OK'' REF AMM 33-51-06-960-802 AMM 33-51-06-960-802 REV 83.
Part: ALTIMETER — INACCURATE (STANDBY) · airframe 89,953 hrs · 12,181 cycles
INTEGRATED STANDBY FLIGHT DISPLAY AIRSPEED OR ALTITUDE IS NOT CORRECT, STANDBY ALTIMETER INDICATES 370 FEET BELOW CRUISE ALTITUDE. ISFD OPS TEST PASSED IAW AMM 34-24-02. SYSTEM SERVICEABLE.
2017
Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 88,995 hrs · 12,079 cycles
3L MED EXTERIOR EMERGENCY LIGHT IS INOP. RELAMPED BULB OPS CHECK GOOD REF AMM 33-51-04 OPS CHECK GOOD
Part: LENS — MISSING (CABIN) · airframe 88,557 hrs · 12,034 cycles
ROW 33L OVERHEAD EMER LIGHT COVER IS MISSING. SECURED LENS COVER.
Part: SIGN — BROKEN (EMERGENCY LIGHTS) · airframe 87,047 hrs · 11,863 cycles
L3 DOOR & R1 DOOR UPPER EXIT SIGNS STOPPERS FOUND BROKEN. REPLACED THE SIGN STOPPERS AND CARRY OUT CONDITION CHECK FOUND NORMAL IAW AMM 33-51-01-960- 802, REV.80, AND OPERATIONAL TEST FOUND GOOD.
Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS) · airframe 87,047 hrs · 11,863 cycles
R4 DOOR EMERGENCY LIGHT POWER PACK M33409, FOUND LOW CAPACITY DURING CAPACITY CHECK. REPLACED THE POWER SUPPLY, OP TESTED NORMAL IAW AMM 33-51-06-960-802, REV 80.
Part: LIGHT — BROKEN (CABIN) · airframe 87,047 hrs · 11,863 cycles
MAIN DECK A & B ZONE PARTITIONS, LOWER EMERGENCY LIGHTS FOUND BROKEN. REPLACED THE EMERGENCY LIGHT ASSEMBLIES AND OP TESTED NORMAL IAW AMM 33-51 -05-960-802 REV 80.
Part: BATTERY — DISCHARGED (EMERGENCY LIGHTS) · airframe 87,047 hrs · 11,863 cycles
L4 DOOR EMERGENCY LIGHT POWER PACK M33407 FOUND LOW CAPACITY DURING CAPACITY CHECK. REPLACED THE POWER PACK. OP TESTED NORMAL IAW AMM 33-51-06-960-802, REV 80.
Part: LIGHT — BROKEN (SEAT 8C) · airframe 87,047 hrs · 11,863 cycles
SEAT 8C LOWER EMERGENCY LIGHT FOUND BROKEN. REPLACED THE EMERGENCY LIGHT ASSY AND OP TESTED NORMAL IAW AMM 33-51-05-960-802, REV 80.
Part: LENS — WRONG PART (EMERGENCY LIGHT) · airframe 87,047 hrs · 11,863 cycles
R3 DOOR UPPER EXIT SIGN ARROW FOUND WRONG. REPLACED AND CHECKED, FOUND NORMAL IAW AMM 33-51-01-960-802, REV 80.
2016
Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 84,776 hrs · 11,609 cycles
EXTERIOR EMERGENCY LIGHT AT POSITION 4L INOPERATIVE. REPLACED THE LAMP. OPS CHECKED GOOD IAW AMM 33-51-04.
Part: BATTERY — DISCHARGED (CABIN) · airframe 94,741 hrs · 14,950 cycles
EMERGENCY LIGHTS AT SEATS 19 - 22 RT & SEATS 25 & 31 LT INOPERATIVE. R & R & OPERATIONS CHECKED EMER LIGHT BATTERY & CHARGER SEAT ROW 19 RT SIDE IAW 30 0 33-51-07. RELAMPED SEAT 25 RT & 31 LT. OPERATIONS CHECKED GOOD.
2014
Part: ENGINE — SURGES (LEFT) · airframe 73,755 hrs · 10,393 cycles
ENGINE L SURGE AUTO EVENT ON SHUTDOWN CORRELATED TO 71-60431. ACCOMPLISHED FIM TASK 71- 05-819, IAW C3. NO CORRECTIVE ACTION REQUIRED.
Part: RELAY — FAULTY (FUEL SYSTEM) · airframe 73,755 hrs · 10,393 cycles
ENGINE FUEL VLV L STATUS MSG ON SHUT DOWN. ALL PLUGS WERE CLEANED & RECONNECTED. RELAY K76105 WAS REPLACED IAW WD 76-21-11. WORK WAS ACCOMPLISHED IAW FIM 73-22-820 & FIM 73-24-810. TWO ENG RUNS COMPLETED WITH NO FAULTS.
Part: PRESSURE SWITCH — FAULTY (FUEL SYSTEM) · airframe 73,676 hrs · 10,385 cycles
ENGINE FUEL FILTER LT DIFF PRESS ACROSS LT FUEL FILTER APPROACHES BYPASS CONDITION. CAME ON DURING & AFTER TAKEOFF. REPLACED FUEL PRESS DIFF SW, CHECKED OK.
Part: UNKNOWN — MALFUNCTIONED (LT EEC) · airframe 72,699 hrs · 10,264 cycles
793 LT ENG EEC IS NOT RECEIVING 115V AC POWER CHANNEL B, OCCASIONAL NCMM MX MESSAGES 73-41221 73-51221.
2013
Part: POWER SUPPLY — DEFECTIVE (CABIN) · airframe 72,130 hrs · 10,194 cycles
THREE CB`S POPPED. REPLACED POWER SUPPLY & BATTERY, OPERATIONS CHECKED GOOD.
Part: MODULE — FAULTY (PA SYSTEM) · airframe 71,917 hrs · 10,168 cycles
INTERMITTENT PA STATUS MESSAGE, WHEN PA USED FROM CABIN. REPLACED THE PASSENGER ADDRESS CABIN INTERPHONE CONTROLLER IAW MM 23-39-03-401. QUICK TEST FAULTS SDM 2-6, M23036 LT CTR ROW 22 REPLACED SDM BUT STILL FAULTS ON QUICK TEST, SUSPECT SDM WAS BAD FROM STOCK. SUGGEST INSTALLING ANOTHER SDM M23036. PACI & MULTI SDM REPLACED. NOTE PTT 1122009 OPEN IN CIRCUIT NEVER ISOLATED OR CORRECTED. IAW WDM'S 23-31-31,32 & CHECKED ALL WIRING BETWEEN SDM'S 2-5,2-6,2-7,2-8, CONFIRM GOOD GND'S. REPLACED SDM M23037, 2-7 & M23042, 2-12 IAW MM 23-31-02-401, OPERATIONS CHECKED GOOD.
Part: FEEDER CABLE — DAMAGED (NR 1 IDG) · airframe 71,588 hrs · 10,132 cycles
NR 1 ENG IDG FEEDER CABLE SHRINK TUBING AT IDG SHOWS SIGNS OF HEAT & CRACKING. REPLACED NR 1 ENG IDG FEEDER CABLE YELLOW & BLUE PHASE ID COLOR BANDS.
Part: LENS — MISSING (CABIN) · airframe 71,519 hrs · 10,125 cycles
EMERGENCY EXIT LIGHT LENSES MISSING ON BOTH AISLES OF UB-TO-ECONOMY PLUS CTR CLASS DIVIDER. REPLACED LENSES.
Part: DISPLAY — INOPERATIVE (COCKPIT) · airframe 71,389 hrs · 10,109 cycles
DISPLAY UNIT BLANK, BLINKS ON & OFF. CAPT ND DISPLAY INOPERATIVE. SWAP CAPT ND MR31612-562 TO LOWER EICAS DISPLAY MR31612-555. AFTER SWAP CAPT ND CHECKED OK. LOWER EICAS DISPLAY INOPERATIVE IAW MEL. REMOVED LOWER DU MR31612-562 & INSTALLED LOWER DU MR31612-658 IAW AMM. INSTALLATION TEST PASSED.
Part: ACM — FAULTY (AC BAY) · airframe 71,269 hrs · 10,093 cycles
PACK MODE RT SMOKE & ELECTRIC SMELL IN CABIN. FOUND DURING TROUBLE SHOOTING ACM PACK RT AT FAULT. THIS CAUSED SMOKE IN CABIN. AFTER ACM PACK RT REPLACED RUN ALL PACKS 1.0 HR. NO SMOKE OR ELECTRIC SMELL IN CABIN NOTED. SYSTEM OK FOR SERVICE.
Part: UNKNOWN — MALFUNCTIONED (FUEL SYSTEM) · airframe 70,956 hrs · 10,056 cycles
RIGHT ENGINE WOULD NOT SHUT DOWN & FUEL FLOW DID NOT DECREASE TO ZERO WHEN FUEL LEVER MOVED TO CUTOFF. STATUS MESSAGE ENGINE FUEL VALVE RT. HAD TO PULL ENGINE FIRE HANDLE TO SHUT DOWN ENGINE. ENGINE DID NOT SHUT DOWN IMMEDIATELY AFTER FIRE HANDLE WAS PULLED. ENGINE CONTINUED TO RUN AN ADDITIONAL 20-30 SECONDS AFTER FIRE HANDLE WAS PULLED.
Part: RELAY — FAULTY (EEC) · airframe 69,955 hrs · 9,942 cycles
ENGINE ELECTRONIC ENGINE CONTROL MODE L MESSAGES 73-61011. TROUBLESHOOTING FOUND ENGINE RELAY UNIT M73005 AT FAULT. NEED TO REPLACE EMERGENCY RELAY UNIT, IAW FIM 71-11 TASK 812, FIM 77-11 T812. ACTIONED & LEFT ENGINE EMERGENCY RELAY UNIT REPLACED IDLE RUN NO FAULT. ELECTRONIC ENGINE CONTROL STATIC & PROBE HEAT TEST VIA MAT PASSED.
Part: STATIC INVERTER — FAILED (NR 1) · airframe 70,671 hrs · 10,026 cycles
ELECTRICAL DC STANDBY POWER SYSTEM FAILED SELF CHECK. , FOUND STATIC INVERTER WAS BAD. REPLACED IAW AMM, TESTED OK.
Part: APU — SHUTDOWN · airframe 70,661 hrs · 10,025 cycles
APU SHUTDOWN ON WAY TO GATE.
Part: RELAY — FAULTY (LT ENGINE) · airframe 70,545 hrs · 10,012 cycles
LEFT ENGINE ELECTRONIC ENGINE CONTROL IS IN THE ALTERNATE CONTROL MODE DUE TO A CONTROL SYS FAULT. REPLACED ENGINE RELAY UNIT.
Part: EXCITER — FAULTY (POSIT 2R) · airframe 70,546 hrs · 10,013 cycles
NR 2 ENGINE IGNITION STATUS MESSAGE, RETURNED TO FIELD. REPLACED R2 EXCITER & THE RT IDG.
Part: RELAY — FAULTY (FUEL CONTROL) · airframe 70,531 hrs · 10,010 cycles
STATUS MESSAGE "ENGINE FUEL VALVE RT" WITH MESSAGE 73-60212. CHECKED WIRING IAW WDM 76-21-71, PG 1 BETWEEN D71024P TO D71074J AND DM76001C, NO DAMAGE FOUND, VOLT APPROXIMATELY 26-28V AND CLEANED ALL CONNECTOR. PERFORMED VISUAL INSPECTION FOR MODULE ASSY W0625 AND ALL CORE WIRING HARNESS, AND REPLACED FUEL CONT RELAY K76207. THEN MESSAGE WENT AWAY.
Part: AUDIO PANEL — FAULTY (NR 2) · airframe 70,531 hrs · 10,010 cycles
RT RADIO TUNING PANEL RT VHF GREEN LIGHT OUT. REPLACED RT RADIO TUNING PANEL, OPS CHECKED OK.
Part: BLANKET — DAMAGED (NR 2 ENG FUEL) · airframe 70,507 hrs · 10,007 cycles
NR 2 ENG FUEL, HYD SUPPLY LINE FIRE BLANKET DAMAGED. NR 2 ENGINE HYD HEAT BLANKET HAS BEEN REPLACED.
Part: SWITCH — FAILED (FUEL CUTOFF) · airframe 70,507 hrs · 10,007 cycles
AFTER SHUTDOWN, NR 2 ENGINE WAS SMOKING HEAVILY. TRIED TO START ENGINE WITH NO LIGHT OFF. STATUS MESSAGE "ENG FUEL VALVE R" DISPLAYED. RIGHT FUEL CUTOUT SWITCH REMOVED FOR REPINNING OF NEW SWITCH.
Part: WARNING LIGHT — FALSE INDICATION (ENGINE EEC) · airframe 70,134 hrs · 9,965 cycles
ENGINE HAS INTERMITTENT EEC MODE FAULT CAUSED BY LOSS OF HEAT POWER (MESSAGE 73-61011). WIRES AND CONNECTORS ALL CHECKED GOOD IAWFIM 73-21 TASK 801, NO FAULTS OR DISCREPANCIES NOTED.
Part: SEAL — MISSING (RT FLAPERON) · airframe 69,933 hrs · 9,939 cycles
RT WING FLAPERON MISSING THREE FEET OF BULB SEAL ON THE LOWER OUTBD SIDE. COMPLIED WITH CDL. REPLACED FLAPERON SEAL.
Part: SKIN — DAMAGED (LT WING) · airframe 69,491 hrs · 9,895 cycles
LEFT WING LOWER PANEL 561SB HAS LIGHTNING STRIKE. REPAIRED.
Part: WIRE — SHORTED (FIRE DETECTION) · airframe 69,337 hrs · 9,879 cycles
STATUS MESSAGE, OVERHEAT CIRCUIT R1. ISOLATED NR 2 FIRE HARNESS. MEGGERED WIRE SHORTED TO GROUND. INSTALLED WIRES, NO MESSAGES. REPLACED WIRES W0656-1001R-16 AND W0656-1002R-16 IAW 26-11-21 SWPM 20-10-13.
Part: GCU — FAULTED (APU GENERATOR) · airframe 68,973 hrs · 9,840 cycles
APU GEN WON`T GO ONLINE. REPLACED APU GCU PER AMM AND AUX PWR BREAKER (C24335). INSTALLATION TEST PASS. SOFTWARE CONFIG CHECKS WITH PROPER SOFTWARE. NO FAULTS NOTED.
Part: THERMOCOUPLE — FAULTY (NR 2 ENGINE) · airframe 68,832 hrs · 9,826 cycles
ENG EEC C1 R DISPLAYED ON STATUS PAGE. DO NOT USE THERMOCOUPLE 280-4257, THE CORRECT PW4090 PCN IS 223-1593. REPLACED 'B' CHANNEL THERMOCOUPLES ON THE 2.9 START STABILITY BLEED VLV 2 EACH AT 2 AND 10 O'CLOCK POSITION ON NR 2 ENGINE IAW AMM.
Part: AMU — MALFUNCTIONED (COCKPIT) · airframe 68,649 hrs · 9,803 cycles
FIRST OBSERVER`S RADIO POSITION MALFUNCTIONED. REPLACED AUDIO MANAGEMENT UNIT PER AMM, TEST PASSED ALL AUDIO AND COM. OPS CHECKED GOOD.
Part: SWITCH — STUCK (NR 3 COMM PANEL) · airframe 68,461 hrs · 9,784 cycles
NR 3 COMM PANEL TRANSMITTER SWITCH STICKS. REPLACED AMU, CHECKED OKAY.
Part: WIRE HARNESS — CHAFED (NR 2 FIRE LOOP) · airframe 68,098 hrs · 9,742 cycles
NR 2 ENGINE FIRE DETECTION SYSTEM LOOP 2 FAILED. FOUND CHAFED WIRE HARNESS BETWEEN LWR FWD AND LWR AFT LOOPS. REPLACED FIRE LOOP HARNESS AND FIRE TESTED OK.
Part: WIRE HARNESS — CHAFED (FIRE LOOP) · airframe 68,118 hrs · 9,745 cycles
LEFT ENGINE OVERHEAT DETECTION CIRCUIT 2 FAILED. MEASURED LEFT ENGINE LOOP 2 INDIVIDUAL ELEMENT CORE RESISTANCE AND MEGGER RESISTANCE TO GROUND, FOUND TO BE WITHIN LIMITS OF FIMMAN 26-11-810. FOUND CHAFED WIRE HARNESS AT RIGHT SIDE ENGINE, 2 FT FWD OF 'LWR AFT LOOP' UPPER END - FWD SIDE RACEWAY, UNDER FWD MOST CLAMP. REPLACED FIRE LOOP HARNESS AND FIRE TESTED OK AND NEW MESSAGES DISPLAYED.
Part: ACTUATOR — LEAKING (NR 2 ENGINE) · airframe 68,013 hrs · 9,732 cycles
DURING IDLE LEAK CHECK OF NR 2 ENGINE FOUND TURBINE CASE COOLING AIR VALVE ACTUATOR LEAKING FUEL. STARTED TO REMOVE TCC ACTUATOR. REPLACED TCC ACT PER MM75- 24-05, ALL CHECKED NORMAL.
2012
Part: VALVE — FAULTY (BLEED AIR SYS) · airframe 67,921 hrs · 9,722 cycles
BLEED FAMV L LEFT ENGINE BLEED FAN AIR MODULATING VALVE (FAMV) FAILED OPEN OR CLOSED OR LEFT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. STATUS MSG-3610200 LATCHD CL MODE MSG-3610531 LATCHD DC MODE MSG-3610190 LATCHD DC MODE MSG-3610190 LATCHD DC MODE. OPEN DEFERRED SEE DF329. REPLACED FAMV VALVE PER MM 36-11-16 PG 401 OPS CK'D NORMAL. ACP ENG RUN OPS CK'D NORMAL CLEARED FAULT.
Part: MODULE — FAULTY (LEFT) · airframe 66,964 hrs · 9,604 cycles
FMC L EICAS MESSAGE-CPM ACMF LEFT AIMS HAS NO OUTPUT. REPLACED CPM-ACMF IN LEFT AIMS CABINET TROUBLESHOOTING CONTINUES.
Part: UNKNOWN — MALFUNCTIONED (PA SYSTEM) · airframe 66,944 hrs · 9,602 cycles
STATUS MSG PASS ADDRESS. UNABLE TO DUPLICATE PROBLEM AND NO ACTIVE FAULTS NOTED. DUE TO HIS WITH MSG 23-03249, REPLACED M23040 PRECAUTIONARY. ACP CABIN PROGRAMMING, SYSTEM TESTED NORMAL.
Part: PANEL — WORN (NR 1 PYLON) · airframe 66,708 hrs · 9,576 cycles
NR 1 PYLON LEFT SIDE WORN ON INNER SURFACE OF PANEL 433CL CUTOUT. REPAIRED IAW ECRA 5431-01061.
Part: PANEL — WORN (NR 2 PYLON) · airframe 66,708 hrs · 9,576 cycles
NR 2 PYLON LEFT SIDE WORN ON INNER SURFACE OF PANEL 443CL CUTOUT. REPAIRED IAW ECRA 5431-01061.
Part: STRIP — WORN (NR 2 PYLON) · airframe 66,708 hrs · 9,576 cycles
WEAR DAMAGE ON NR 2 PYLON AFT FAIRING HEATSHIELD GAP COVER STRIP P/N 313W3829-3 DAMAGE AREAS CONSIST OF ABRASION WEAR WHERE THE STRIP IS WORN THROUGH IS FULL DEPTH. THE FIRST DAMAGE AREA IS LOCATED 7" O/B FROM THE INBOARD EDGE OF THE GAP COVER STRIP AND MEASURES 1.5" IN LENGTH X 3-16" IN DEPTH. THE SECOND DAMAGE AREA IS LOCATED 11" O/B FROM THE INBOARD EDGE OF THE GAP COVER STRIP AND MEASURES 4.75" IN LENGTH X 1-4: IN DEPTH. SRM 54-50-70, FIG 103 DOES NOT PERMIT DAMAGE TO EXCEEDS 2.00" IN LENGTH. THE HEAT SHIELD GAP COVER STRIPS ARE MADE OF TITANIUM ALLOY T1-6AL-2SN-4ZR-2MO.
Part: WARNING MESSAGE — FALSE ACTIVATION (RT ENGINE) · airframe 66,475 hrs · 9,546 cycles
RIGHT ENGINE CONTROL IS IN A TIME LIMITED DISPATCH CONDITION. ENGINE CONTROL SYSTEM IS OPERATING WITH REDUCED REDUNDANCY. STATUS MESSAGE 01- ACTIVE CLIMB INTERMITTENT; 2.9 START BLEED VALVE TC PROBE (R ENG, CH B) TEMPERATURE SIGNAL IS OUT OF RANGE. DB- ELECTRONIC ENGINE CONTROL (R ENG, CH B) MSG02- NOT ACTIVE DESCENT INTERMITTENT; 2.9 START BLEED VALVE TC PROBE (R ENG) TEMPERATURE SIGNAL IS OUT OF RANGE. DB- ELECTRONIC ENGINE CONTROL (R ENG, CH B) MSG03- NOT ACTIVE DESCENT INTERMITTENT; 2.9 START BLEED VALVE TC PROBE (R ENG) TEMPERATURE SIGNAL IS OUT OF RANGE. RAN FIM TASK 75-32-TASK 827 MESSAGE CLEARED. PER 'MAT' MESSAGE CLEARED WITHIN 20 SECONDS, NO FURTHER ACTION REQUIRED.
Part: SWITCH — FAULTY (HDG) · airframe 66,087 hrs · 9,503 cycles
FIX PAGE WILL NOT DISPLAY CORRECT BEARING. REPLACED HDG REF SWITCH.
Part: VHF COMM — INOPERATIVE (CENTER) · airframe 65,204 hrs · 9,397 cycles
ACARS DATA MODE INOPERATIVE. REPLACED CENTER VHF, GROUND TESTED GOOD.
Part: ACTUATOR — FAULTY (BLEED SYS) · airframe 65,146 hrs · 9,392 cycles
APU BLEED AIR MESSAGE. REPLACED IGV ACTUATOR DUE TO APU BLEED AIR MESSAGE. REPLACED IGV ACTUATOR FROM START TO ITEM 3F.
Part: TERMINAL — DETERIORATED (NR 1 ENGINE) · airframe 65,146 hrs · 9,392 cycles
NR 1 ENGINE IDG TERMINAL ENDS BLUE AND YELLOW TEFLON IDENT SLEEVES ARE DETERIORATED. REPLACED INSTALLATION ON TERMINALS.
Part: HEAT SHIELD — CRACKED (NACELLE) · airframe 65,146 hrs · 9,392 cycles
NR 2 PYLON HEAT SHIELD GAP COVER STRIP (2ND STRIP COUNTING FROM FWD TO AFT) IS CRACKED AT TWO PLACES (ONE CRACK IS LOCATED AT A PREVIOUS REPAIR). REMOVED DAMAGE & ACP HFEC INSPECTION REF 777MT 54-UA2 DAMAGE 1.28-32L BY 1-4 DEEP.
Part: CONTROLLER — FAILED (LEFT) · airframe 64,964 hrs · 9,372 cycles
L RAM AIR DOOR FAULTS. ACFT TEMP CONTROL SEEMS TO BE ADJUSTING ITSELF TEMP CONTROL IS INACCURATE THIS IS FOR THE WHOLE ACFT. LT RAM AIR INLET FAULTS AND STOPS TEST. LT RAM AIR INLET ACTUATOR LOCKED IN THE FULL OPEN AND CONNECTOR PLUG REMOVED. REPLACED LT CTC WOULD NOT DRIVE RAM AIR ACT DURING SYS TEST. SWAPPED WITH RT CTC. PROBLEM FOLLOWED LT CTC. RETURNED UNITS TO ORIGINAL POSITION. REPLACED AND TESTED LT CTC OK PER MM.
Part: ACTUATOR — FAULTY (RAM AIR) · airframe 64,723 hrs · 9,347 cycles
CREW REPORT RAM AIR INLET DOOR MSG DISPLAYED. ACFT RETURNED TO GATE. ITEM DEFERRED PER MEL. RAM AIR DOOR LOCKED OPEN FOR 895507. REPLACED LT RAM AIR INLET ACTUATOR, ALL OPS CK'D NORMAL.
Part: TRIM SWITCH — FAULTY (COCKPIT) · airframe 64,656 hrs · 9,334 cycles
CREW REPORT AFTER TAKEOFF TRIM STUCK AT 6.0 UNITS. EXCESSIVE FORWARD FORCE TO KEEP NOSE DOWN. REPLACED CAPT PITCH TRIM SWITCH PER MM. ACCOMPLISHED RII INSPECTION, SATIS.
Part: UNKNOWN — ODOR (CABIN) · airframe 64,221 hrs · 9,279 cycles
CREW REPORT VERBALLY ELECTRICAL BURNING ODOR IN MID GALLEY. CREW REPORTED SMELL DISAPPEARED UPON GALLEY PWR REMOVAL. REMOVED C-MS CHECKED ALL WIRING IN AFT SECTION OF GALLEY NO EVIDENCE OF BURNING, CHECKED C-B PANEL AND ASSOCIATED 3 PHASE WIRING ALL INTACT. OPENED CEILING AREA AND INSPECTED SURROUNDING AREA WITH CHILLERS IN OPERATION ALL OK.
Part: SWITCH — FAILED (FIRE ARM) · airframe 64,100 hrs · 9,258 cycles
CARGO FIRE AFT ARM SWITCH NO LIGHT TEST. FIRE TEST PASSES OKAY. REPLACED SWITCH MODULE & RESET ACFT POWER & CHECKED NORMAL.
Part: CONNECTOR — CORRODED (CONTROL UNIT) · airframe 64,024 hrs · 9,242 cycles
FLIGHT CONTROLS SYSTEM BELOW MINIMUM DISPATCH REQUIREMENTS. STATUS MESSAGE 2710306 ACTIVE ER MODE. REPLACED RIGHT FLAPERON INBD PCU, NO HELP. CONNECTOR PIN 17 HAS CORROSION. REPLACED CABLE ASSY FLAPERON POWER. ACCOMPLISHED FLAPERON RIGGING PER MM. RIGHT FLAPERON ACTUATOR. CONFIDENCE TEST PASSED.
Part: FLT CONTROLS — WARNING MESSAGE · airframe 63,991 hrs · 9,238 cycles
FLIGHT CONTROL SYSTEM ADVISORY. ON ARRIVAL, FOUND MESSAGE 27-1030 6 AND NOT ACTIVE. CARRIED OUT GROUND TEST, TEST FAILED. ACCOMPLISHED FIM 27 -11 TASK 906. REPLACED ACE-L2 NO HELP, BACK TO ORIGINAL. ACCOMPLISHED WIRE CHECK BETWEEN D4422J AND DM27210, CHECKED OK. ALSO CLEANED CONNECTOR. EXERCISED FLAPERON AND CHECKED FLAPERON OPERATION. AFTER EXERCISED MESSAGE NUMBER CHANGED TO 27-11305. CARRIED OUT PRIMARY FLT CONTROL SYSTEM TEST, TEST PASSED AND MESSAGE DISAPPEARED. FOUND NO EX FAULT.
2011
Part: COUPLING — DAMAGED (HF TRANSMITTER) · airframe 63,894 hrs · 9,223 cycles
RIGHT HF TRANSMITER INOPERATIVEF. RECEIVES OK. RADIO UNABLE TO HEAR RT HF TRANSMISSION. REPLACED RT HF COUPLER, GROUND TEST PASSED. TRANSMIT AND RECEIVE GOOD.
Part: VALVE — FAILED (AC BAY) · airframe 63,615 hrs · 9,195 cycles
PACK MODE R RIGHT PACK AIR CYCLE MACHINE HAS FAILED, OR RIGHT ECONOMY COOLING VALVE FAILED OPEN, OR BOTH RIGHT CONDENSOR INLET TEMP SENSORS FAILED. RIGHT PACK IS OPERATING IN A NON-NORMAL MODE (HEAT EXCHANGER ONLY COOLING MODE). ADVISORY -COMPLIED W MEL 2151S. MSG IS COND SENSOR TEMP RT MSG# 21-23402. REPLACED LOW LIMIT VALVE PER MM, OPS CHECK NORMAL.
Part: STRUCTURE — DAMAGED (FUSELAGE) · airframe 63,403 hrs · 9,169 cycles
LIGHTNING STRIKES TO A/C. LIGHTING STRIKE DAMAGE. 3 FASTNERS IN A ROW DAMAGED AND OUT OF LIMITS PER SRM. SMC 44, SMC 44 AND SMC 45. NO RESTRICTIONS, LINE CREW OKAY. ACCOMPLISHED INSPECTION NO DISCREPANCIES NOTED. IN REFERENCE TO LIGHTNING STRIKE FORWARD OF LEFT WING, APPROX 18 RIVETS HAVE BEEN REWORKED AND PRIMED AND PAINTED. TOOK CORRECTIVE ACTION ON LIGHTNING STRIKE AT BS 533 & STR 27L, BS 538 & STR 27L, BS 540 AND STR 27L, BS 722 AND STR 25L, BS 528 AND 2" ABOVE STR 28L, BS 544 AND 2" ABOVE STR 28L, BS 709 AND 4" ABOVE STR 25L, BS 676 AND 5" ABOVE STR 26L, BS 669 AND 2" ABOVE STR 26L, BS 671 AND 2" ABOVE STR 26L, BS 524 AND 2" ABOVE STR 28L, BS 571 AND 6" ABOVE STR 27L, BS 524 AND 2" ABOVE STR 28L, BS 544 AND 2" ABOVE STR 28L. FASTENER TO BE INSPECTED EVERY 1000C AND BLIND FASTENER TO BE REPLACED BEFORE 16000C MF8275 CREATED TO MONITOR LIGHTNING STRIKE DAMAGE TO SKIN AT STA 709 AND 4" ABOVE STR 25. DRILLED OUT DAMAGE TO SKIN, INSP ACCOMPLISHED NDT OF HOLE, INSTALLED BLIND FASTENER. FASTENER TO BE REPLACED BEFORE 16000C MF8276 CREATED TO MONITOR
Part: BLADES — DAMAGED (TURBINE SECTION) · airframe 63,403 hrs · 9,169 cycles
ACCOMPLISHED NR 1 ENG BOROSCOPE OF HPT BLADES, FOUND 1ST STAGE HPT BLADES WITH MATERIAL BREAK THROUGH INTO INTERNAL CAVITY CONCAVE SIDE AREA 'B' APPROX .273 SQ IN EXCEEDING LIMITS OF .0125 SQ IN PER MM. REPLACED ENGINE.
Part: VALVE — FAULTY (LT BLEED) · airframe 63,332 hrs · 9,161 cycles
LEFT ENGINE BLEED FAN AIR MODULATING VALVE (FAMV) FAILED OPEN OR CLOSED OR LEFT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. DEACTIVATED LT ENG FAMV PER MEL REQUIREMENTS. REPLACED FAMV PER MM, OPS TESTED GOOD.
Part: STRIP — WORN (NR 1 PYLON) · airframe 63,117 hrs · 9,134 cycles
WEAR DAMAGE ON NR 2 PYLON AFT FAIRING HEAT SHIELD GAP COVER STRIP P/N 313W3829-3 (IPC 54-54-02-007,ITEM 270) DAMAGE AREAS CONSIST OF ABRASION WEAR WHERE THE STRIP IS WORN THROUGH IST FULL DEPTH. THE FIRST DAMAGE AREA IS LOCATED 7 INCHES O/B FROM THE INBOARD EDGE OF THE GAP COVER STRIP AND MEASURES 1.5 INCH IN LENGTH X 3-16" INCH DEPTH. THE SECOND DAMAGE AREA IS LOCATED 11 INCHES O/B FROM THE INBOARD EDGE OF THE GAP COVER STRIP AND <<104747 BY- 104747 MEASURES 4.75 INCHES IN LENGTH X 1-4: INCH IN DEPTH SRM 54-50-70, FIG 103 DOES NOT PERMIT DAMAGE TO EXCEEDS 2.00 INCHES IN LENGTH. THE HEAT SHIELD GAP COVER STRIPS ARE MADE OF TITANIUM ALLOY T1-6AL-2SN-4ZR-2MO.^10OCT ORD INF- :THIS TIME LIMITED REPAIR IS ACCEPTABLE FOR 12 MONTHS FROM 10-10-2011 TO 10-10-2012 AT WHICH TIME THE COVER STRIP MUST BE REPLACED REF: AD 2006-190-12^11OCT SFO INF- :WILL NEED AN EST. 3 TO4 SHIFT SLOT TO REPLACE STRIP. WILL NEED TO REMOVE ENG EXHAUST NOZZLE AND DISASSEMBLE HEAT SHIELD ASSY FOR ACCESS.
Part: SATCOM — MALFUNCTIONED (LEFT) · airframe 63,020 hrs · 9,122 cycles
LEFT SDU MALFUNCTIONED. REPLACED SATELLITE DATA UNIT. OPS CHECKED NORMAL.
Part: STRUCTURE — DAMAGED (LT WING TE FLAP) · airframe 62,868 hrs · 9,101 cycles
LEFT OUTBOARD TE FLAP DAMAGED JUST INBOARD OF NR 1 CANOE. REPAIRED REF SRM, REPAIR NR 12 AND SRM 70-0.
Part: IDG — FAULTY (RT ENGINE) · airframe 62,776 hrs · 9,091 cycles
ELEC GEN DRIVE R RIGHT IDG FAULT (LOW INTERNAL OIL PRESSURE) - ADVISORY CREW COMMENTS: DISCONNECTED GEN DRIVER. PROG TEXT: - ITEM ROLLED FORWARD. EICAS MSG ELEC GEN SYS R. FOLLOWED MEL PROC. CHECKED RT IDG AND NO DAMAGE AND OIL LEAK FOUND. IDG OIL SHOULD BE CHANGED WHEN DEFERRAL IS CLEARED PER MEL. REPLACED RT IDG PER MM.
Part: PROBE — FAULTY (FUEL TANK) · airframe 62,180 hrs · 9,011 cycles
PRIOR TO DEPT, CTR FUEL QTY DROPPED 20K LBS. RESET CB FOR PROCESSOR AND QTY READS OK BUT DENSIOMETER READING STILL BLANK. VERIFIED QTY WITH STICKS. FUEL UPLIFT READINGS OK. RPL CTR TANK DENS PER MM. NEEDS FQPU OPS CHECK AND FQIS OPS CHECK. PERFORMED FQIS OPS CHK, CHECK GOOD. REF DF948, RECOMMEND REPLACING PROBE NR 3 IN RT CTR TANK. M28249 TANK UNIT SIGNAL IS OUT OF RANGE. RPLC'D PROBE NR 3 IN RH CTR TANK. NEED TO ACC TASK 28-41-00-710-801 & 28-41-00-710-802. PERFORMED FQIS OPS CK REF MM, CHKS GOOD.
Part: STARTER — INOPERATIVE (APU) · airframe 62,002 hrs · 8,992 cycles
APU WON'T START PRIOR TO DEPARTURE. APU SPEED DID NOT REACH 7 PERCENT, CAUSED AUTO SHUT-DOWN, MUST ACCOMPLISH FIM 49-40 TASK 812, A BATTERY DISCHARGE OF APPROX 100 AMPS IS NECESSARY FOR ELECT. STARTER MOTOR TO TURN ABOVE 7 PERCENT SPEED, IF ELECT. STARTER MOTOR GETS LESS THAN 100 AMPS, THEN THE APU MAY NOT REACH 7 PERCENT SPEED AND THE CAUSE OF THIS MAINT. MESSAGE TO SHOW IS AN ELECTRICAL FAULT. START FIM 49-40 TASK 812 AT PARA "C".
Part: START VALVE — FAULTY (LT ENGINE) · airframe 61,504 hrs · 8,935 cycles
LEFT ENGINE START VALVE MESSAGE. VALVE IS DEFECTIVE. REPLACED START VALVE PER MM. OPS NORMAL.
Part: IDG — MALFUNCTIONED (RT GENERATOR) · airframe 61,500 hrs · 8,933 cycles
GENERATOR SYSTEM RT STATUS MESSAGE, IDG DROPPED OFF LINE, DISCONNECTED IDG PER FM. CMC FAULT SHOWS IDG RIGHT FREQUENCY IS LOW. REPLACED NR 2 IDG PER MM. RAN ENGINE OPS CHECKED OK. IDG DISCONNECTED AND RECONNECTED CHECKED OK.
Part: UNKNOWN — MALFUNCTIONED (RT ENGINE) · airframe 61,422 hrs · 8,926 cycles
AFTER PUSHBACK, CREW STATES RT ENG FUEL VLV MSG DISPLAYED. TRIED 2 START ATTEPMTS, NO JOY. REPLACED NR 2 ENG FMU, NO HELP FOR MSG 73-60212, THEN HAD CORRELATED SPAR VLV MSG 28-14002, REPLACED R-RNG SPAR VLV ACT, NO HELP, REPLACED K28222 IN P101, R-ENG STARTED 2X IN A&B CHANNEL, REF FIM28-22TSK841, OP CHECKED GOOD. NO FAULTS, NO LEAKS.
Part: FAN — FAILED (RECIRC) · airframe 61,331 hrs · 8,916 cycles
RT ELECTRICAL EQUIPMENT COOLING AIR SUPPLY FAN FAILED OR INOPERATIVE. REPLACED RT EQUIPMENT COOLING SUPPLY FAN, ACCOMPLISHED MAT CMC EQUIP COOLING TEST, TEST PASSED.
Part: SKIN — DAMAGED (BS 298-487) · airframe 61,331 hrs · 8,916 cycles
FOUND EVIDENCE OF LIGHTNING STRIKE CONDITION HITTING SEVERAL RIVETS AT RT SIDE OF FUSELAGE BETWEEN STA 298 AND 487 FROM STRINGERS S35R TO S39R. 28 RIVETS WERE IDENTIFIED WITH BURNING SIGNS. THERE ARE 2 GROUPS OF 4 ADJACENT RIVETS, 1 GROUP OF 6 ADJACENT RIVETS AND 4 GROUPS OF 3 ADJACENT RIVETS. THE REMAINING RIVETS ARE DISTRIBUTED IN THE MENTIONED AREA. BURNISHED DAMAGE AS NEEDED AND PRIMED REMOVED DAMAGED FASTENERS AS NEEDED, WILL REQUIRE HFEC AND OVERSIZE BEFORE SOLID FASTENERS INSTALLED, REF SRM 53-00-01, REPAIR 8.
Part: SKIN — DAMAGED (FUSELAGE) · airframe 61,321 hrs · 8,915 cycles
LIGHTNING STRIKE DAMAGE TO SKIN AND RIVETS ON LEFT & RIGHT SIDE OF FUSELAGE. ALSO HAS DAMAGE TO LT FWD NOSE GEAR DOOR. REPAIRED IAW SRM 53-00-01, REPAIR 8. LEFT FWD NLG DOOR REPAIRED REF SRM 52-80-01.
Part: INDICATOR — FAULTY (STAB TRIM) · airframe 61,089 hrs · 8,886 cycles
RT STAB TRIM INDICATOR IS BLANK. REPLACED INDICATOR PER MM, SYS CHECKS GOOD PER MM.
Part: COUPLER — FAULTY (HF RADIO) · airframe 60,573 hrs · 8,832 cycles
HF RADIO - TRANSMISSION PROBLEM. RIGHT RADIO INOP. RT HF IS SLOW TO TUNE FREQ ORDERED COUPLER M23202 (530-9045) TO B29 PARTS LOCATION. REPLACED RIGHT COUPLER, CHECKED OKAY.
Part: CONTROL PANEL — DAMAGED (VHF SYSTEM) · airframe 60,573 hrs · 8,832 cycles
OFFSIDE TUNING LT-DAMAGED CTR VHF PANEL. REPLACED TUNING PANEL CNTR REF MM. OPS NORMAL.
Part: CONVERTER — FAULTY (ELECTRICAL SYS) · airframe 60,092 hrs · 8,771 cycles
ELEC BACKUP SYS STATUS. DUE TO REPETITIVE REPORTS OF 'ELEC BACKUP SYS' STATUS MESSAGE WITH CORRELATED MESSAGE. IF NO FAULTS NOTED, REPLACE BUG CONVERTER (M24008) PCN 566-9012 & IF NECESSARY, CCB (K24202) PCN 566-0547. IAW MM REPLACED WITH NEW BUG CONVERTER & CCB (K24202). RAN BOTH ENG IAW JRH, OPS CK FINE AND INDICATION NORMAL. NO DEFECTS NOTED.
Part: RAIL — DAMAGED (FWD CARGO) · airframe 59,993 hrs · 8,755 cycles
RAMP REPORTED, LT SIDE GUIDE HAS 1.2 FT SCRATCH FROM STA 575 AND HALF IN CRACK AT STA 590 IN FWD CARGO. THIS SIDE GUIDE RAIL IS LT SECOND RAIL FROM FWD. CKD AND NEED SHEET METAL REPAIR OR REPLACE THE WHOLE SIDE RAIL ASSY LT SIDE STA 540-640. REPLACED RAIL ASSY.
2010
Part: LIGHT — INOPERATIVE (SEAT 2F) · airframe 59,466 hrs · 8,677 cycles
EMERGENCY LIGHT AT SEAT 2F, AFT LIGHT IS OUT. REPLACED LIGHT ASSY. OPS CHECK GOOD.
Part: LIGHT — INOPERATIVE (SEAT 1F) · airframe 59,466 hrs · 8,677 cycles
EMERGENCY LIGHT AT SEAT 1F, FWD LIGHT IS OUT. REPLACED LIGHT ASSY. OPS CHECK GOOD.
Part: DRIVE SYSTEM — FAILED (WX RADAR SYS) · airframe 58,753 hrs · 8,578 cycles
WXR SYS, WXR DISPLAY IS NOT PRESENT WHEN WXR SELECTED ON EFIS CONTROL PANEL. STATUS MSG03- ACTIVE CRUISE INTERMITTENT; WXR ANTENNA DRIVE IS NOT CONNECTED OR FAILED. DB- WXR TRANSCEIVER (RT) MSG04- NOT ACTIVE CRUISE INTERMITTENT; WXR ANTENNA DRIVE IS NOT CONNECTED OR FAILED. MSG-3444031 INACTV ER INTER MSG-3444031 INACTV ER INTER MSG-3444032 ACTIVE ER INTER MSG-3444032 INACTV ER INTER. UPON ARR. BOTH SYS TEST FAIL. REPLACED ANTENNA DRIVE ASSY. TESTS OK IAW MM.
Part: COVER — UNSECURE (EMERGENCY LIGHT) · airframe 58,742 hrs · 8,577 cycles
DOOR 4L, COVER FELL OFF EMERGENCY LIGHT ON RT SIDE OF DOOR. SECURED COVER.
Part: OVEN — FAULTY (GALLEY) · airframe 58,570 hrs · 8,556 cycles
OVEN R31 STARTED TO OVERHEAT DURING THE PREPARATION OF THE MEAL SERVICE, EMITTED AN ELECTRICAL ODOR FLIGHT ATTENDANT SHUT OVEN DOWN IMMEDIATELY AND PULLED THE CIRCUIT BREAKER FOR THAT OVEN. REMOVED OVEN. CHK'D EVIDENCE OF ODOR FOUND NONE. DEACTIVATED OVEN PER MEL CARD. OVEN WAS RECENTLY REPLACED ON OCT16. CHECKED WIRE BUNDLE BEHIND PANEL GALLEY'S POWER CONTROL, NO DAMAGE FOUND. SUSPECTED CB-C004 AT FAULT. REPLACED OVEN AND MISSING BOLT, CHECKS OKAY.
Part: BUSS BAR — ARCED (COCKPIT WINDOW) · airframe 58,003 hrs · 8,489 cycles
RIGHT F/O WINDOW 1 WINDSHIELD HAS ARCING ON LOWER RT CORNER OF WINDOW ON BUS BAR. REMOVED WINDOW. INSTALLED NEW WINDOW.
Part: ANTENNA — FAILED (WX RADAR SYS) · airframe 57,972 hrs · 8,485 cycles
WINDSHEAR SYS EITHER PREDICTIVE OR REACTIVE WINDSHEAR ALERTING FUNCTIONS ARE FAILED SUCH THAT WINDSHEAR ALERTING CAPABILITY IS REDUCED OR NOT AVAILABLE. A REACTIVE WINDSHEAR FAILURE WILL ONLY SET THE MESSAGE WITH THE REACTIVE WINDSHEAR OPTION ACTIVE. ADVISORY MSG-3444032 ACTIVE DC HARD MSG-3444031 ACTIVE AP HARD. REPLACED WEATHER RADAR ANTENNA ASSY. GROUND TEST PASS FOR BOTH.
Part: SHUTOFF VALVE — MALFUNCTIONED (CABIN TEMP) · airframe 57,550 hrs · 8,438 cycles
CABIN TEMP PROBLEM, FLIGHT DIVERTED. REPLACED LEFT PACK TRIM AIR PRESSURE REGULATING AND SHUTOFF VALVE (PRSOV) REF AMM AND LEFT CABIN TEMPERATURE CONTROLLER (CTC) REF AMM.
Part: CONNECTOR — ARCED (HYDRAULIC SYS) · airframe 57,447 hrs · 8,427 cycles
C1 HYD ACMP CONNECTOR DM29304A HAS EVIDENCE OF SOCKET ARCING. REPLACED CONNECTOR AND SOCKETS. REPLACED PRESSURE TRANSDUCER FOR C1 ELECTRIC PUMP. CHECKS GOOD.
Part: LIGHT — INOPERATIVE (ROW 3E AFT) · airframe 57,447 hrs · 8,427 cycles
ROW 3E AFT EMERGENCY LIGHT INOP. REPLACED EMERGENCY LIGHT. OP CK NORMAL.
Part: ENGINE — MAKING METAL (NR 2) · airframe 56,597 hrs · 8,310 cycles
NR 2 ENG HAS METAL FINES ON ALL CHIP DETS IAW LM. NR2 ENGINE REPLACED IAW MM.
Part: PRECOOLER — CRACKED (NR 2 ENGINE) · airframe 56,364 hrs · 8,282 cycles
NR 2 ENGINE PRECOOLER CRACKED ALONG INBD, BOTTOM EDGE. STARTED TO REMOVE PRECOOLER. ACCOMPLISHED UP TO STEP NR 2. NEED TO COMPLETE FROM STEP NR (11) PG405. ACCOMPLISHED FROM MM36-11-15, PG404 STEP (11) THROUGH PG416 STEP 3(G)4. ACCOMPLISHED FROM PG416 STEP 3 H TO TO END, NO LEAK FOUND.
Part: RFU — MALFUNCTIONED (SATCOMM) · airframe 56,184 hrs · 8,257 cycles
LOW SIGNAL FROM SATCOMM RFU ORDERED NEW RFU FROM DEN SATCOMM HAS LOTS OF HISTORY. REPLACED RADIO FREQUENCY UNIT. SYS LOGGED ON OK.
Part: BATTERY — FAILED (APU) · airframe 56,113 hrs · 8,248 cycles
APU BATTERY, APU BATTERY FAILURE. STATUS BATTERY CHARGER PREVIOUSLY REPLACED. NO HELP. BATTERY DOES NOT HOLD CHARGE, NEEDS RPL, ON ORDER. REPLACED APU BATTERY, OPS NORMAL.
Part: CHARGER — FAILED (APU) · airframe 56,113 hrs · 8,248 cycles
BATTERY CHARGER APU APU BATTERY CHARGER FAILURE. STATUS MSG01- ACTIVE TAXI OUT MODE DEPENDENT; APU BATTERY IS WEAK. DB- ELMS P310 ELECTRONICS UNIT MSG-2413047 ACTIVE TA MODE. REPLACED APU BATTERY CHARGER.
Part: AMPLIFIER — FAULTY (SATCOM) · airframe 56,113 hrs · 8,248 cycles
SAT VOICE LOST SATCOM VOICE SYS. REPLACED SATELLITE DATA UNIT AND HPA-LGA. INSTALLATION TESTS NORMAL. ACCOMPLISHED SATCOM OP CK, OPS NORMAL.
Part: LIGHT — MISSING (SEAT 1E) · airframe 55,740 hrs · 8,191 cycles
1E EMERGENCY LIGHT MISSING. REPLACED BROKEN EMERGENCY LIGHT, OP CHECKS GOOD,
Part: CONNECTOR — UNSECURE (EMERGENCY LIGHT) · airframe 55,740 hrs · 8,191 cycles
2E EMERGENCY LIGHT INOP. SECURED CONNECTOR ON LIGHT ASSY. LIGHT OP CHECKS GOOD.
Part: CONTROL PANEL — MALFUNCTIONED · airframe 55,003 hrs · 8,079 cycles
THE FASTEN SEAT BELT SIGNS FLASH ON AND OFF IN 1ST AND BUSINESS CLASS AT THE SAME TIME THE INDICATOR PANEL BETWEEN LAV 100 AND 100 FLASHES WHEN F/A'S ATTEMPT A RESET AT THE 1L CACP PANEL IT IS INDICATED THAT THERE IS A TEMPERATURE CONTROL FAILURE AT ROWS 11-13 THE CACP PANEL FLASHES 'FAIL' IN ORANGE LETTERS AND THE SYS IS LOCKED. AFTER AC BOOST UP, CANNOT GET INTO CSCP MAIN PAGE. REPLACED CSMU AND CONFIRM NO MORE FLASHING LIGHT FOR FASTEN SEAT BELT AND CACP DID NOT INDICATED FAIL. CACP IS WORKING FINE.
2009
Part: HINGE — DAMAGED (SEAT 34 PSU) · airframe 54,658 hrs · 8,037 cycles
DOOR FOR 02 MASKS AT SEATS 34 CDEFG HAS BROKEN HINGES. DOOR IS SECURED CLOSED. NEED TO REPLACE BOX ASSY. REPLACED BOX ASSY AND PERFORMED DROP TEST. OP CHKS GOOD.
Part: PCU — FAULTY (SPOILER) · airframe 54,301 hrs · 7,979 cycles
EICAS MSG, FLT CONT SYS & SPOILER. REPLACED NR 11 PCU AND ADJUSTED. GRD TEST PASSED AND NO FAULT ON THE MAT. OPS CHECKED OKAY. REPLACED ACE-L2 DUE TO "FLT CONT SYS" AND "SPOILER" MSG DISPLAYED. ACE CHECKED OKAY.
Part: SOCKET — BURNED (LAVATORY) · airframe 53,884 hrs · 7,912 cycles
RIGHT AFT LAV LIGHT HOT/SMOKING. FOUND MIRROR LIGHT SOCKET BURNED OUT IN 4R LAV, PULLED C/B J7 ON P320 FOR LAV LIGHT LEFT AND LAV 1L FWD CTR, 2L, 3L FWD AND 4R AVAILABLE DOME LIGHT ONLY. CONFIRMED NO POWER FOR AFFECTED LAVATORY & COVERED INSULATION TAPE OVER 4R LAV MIRROR LIGHT SOCKET. REPLACED BAD SOCKET, ALL GOOD.
Part: LENS — UNSECURE (CABIN) · airframe 53,684 hrs · 7,886 cycles
EXIT SIGN COVER FELL OFF AT DOOR 4L. FOUND ALL EMERGENCY LIGHT LENS AT DOOR 4L SECURED.
Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 53,398 hrs · 7,847 cycles
SEAT 3F AFT EMERGENCY LIGHT INOPERATIVE. REPLACED LAMP ASSY, OPS CHECK NORMAL.
Part: IGNITER — MALFUNCTIONED (LT ENGINE) · airframe 53,385 hrs · 7,845 cycles
ENG IGNITER L1 LEFT ENGINE FAILED TO IGNITE USING IGNITER 1. STATUS MSG01- NOT ACTIVE ENGINE START MODE DEPENDENT; IGNITION SYSTEM NR 1 (L ENG) FAILED TO LIGHT ENGINE. DB- ELECTRONIC ENGINE CONTROL (L ENG, CH B) MSG-7461491 INACTV ES MODE. REPLACED NR 1 AND NR 2 IGNITER AND TESTED NORMAL.
Part: LAMP — INOPERATIVE (EMERGENCY LIGHTS) · airframe 52,860 hrs · 7,777 cycles
EXTERIOR EMERGENCY LIGHT BY DOOR 1R IS INOPERATIVE. RELAMPED, OPS NORMAL.
Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 52,860 hrs · 7,777 cycles
EMERGENCY LIGHT ON SEAT 38C IS INOP. RELAMPED AND REPLACED BROKEN LENS COVER, OPS NORMAL.
Part: WIRE HARNESS — INOPERATIVE (EMERGENCY LIGHTS) · airframe 52,860 hrs · 7,777 cycles
2EA ADJACENT EMERGENCY LIGHTS ON SEAT 3F ARE INOPERATIVE. REPLACED LIGHT ASSY AND SECURED HARNESS. CHECKS GOOD.
Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 52,366 hrs · 7,726 cycles
DOOR 1L EXTERIOR EMERGENCY EXIT SLIDE LIGHT IS INOP. RELAMPED, OPS CHECK OKAY.
Part: PCU — FAULTY (NR 3 SPOILER) · airframe 52,158 hrs · 7,702 cycles
SPOILER MSG DISPLAYED-CMC MSG1&2. SUSPECT NR 3 SPOILER ACT OR CABLE. FOUND CABLE ASSY CONNECTOR SHORTING INTERNALLY AT THE RECEPTACLE. NEW RECEPTACLE ON HAND. INSTALLING PART. REPLACED NR 3 OUTBOARD SPOILER PCU. ACP INSP OF SPOILER PCU INST. NO DEFECTS NOTED. OPS CHECK OKAY.
Part: COMPUTER — MALFUNCTIONED (RIGHT) · airframe 51,793 hrs · 7,657 cycles
"FLIGHT CONTROL SYS" STATUS MESSAGE IS DISPLAYED. FAILS ACE MONITOR GROUND TEST MSG27-13007. REPLACED RT ACE-NO HELP. PERFORMED ALL STEPS FOR FIM 27-02 TASK 809 AND IT STILLS FAILS GROUND TEST. REPLACED R-ACE WITH A KNOWN GOOD ACE FROM AC2982. NO HELP, REINSTALLED OLD UNIT, TRIED DICON APU AND MAIN BATTERY, NO HELP FOLLOW MT27-016-R1 UP TO STEP 11, PG 4. REPLACED ARINC-629 COUPLER B27132 (ACE-R). FLT CONTROL SYS" STATUS MSG. CLEARED & PRIM FLT CONTROL SYS - ACE MONITORS GRD TEST - PASS. ALSO REPLACED CTR-ACE.
Part: LIGHT — INOPERATIVE (CABIN) · airframe 51,673 hrs · 7,642 cycles
SEAT MOUNTED EMERGENCY LIGHT AT 2E INOP. SECURED CONNECTOR, OPS CHECKS OKAY.
Part: LIGHT — INOPERATIVE (CABIN) · airframe 51,673 hrs · 7,642 cycles
OVERHEAD EMERGENCY LIGHT INOP AT 36B.
Part: TUBE — BROKEN (NR 1 ENGINE) · airframe 50,637 hrs · 7,503 cycles
FOUND NR 3 BEARING VENT TUBE BROKEN NR 1 ENG. REPLACED TUBE.
2008
Part: IDG — LEAKING (NR 2 ENGINE) · airframe 49,228 hrs · 7,323 cycles
NR 2 IDG LEAKING FROM CASE. IDG FOUND LEAKING. REPLACED NR 2 ENG IDG, OPS & LEAK CHECKS GOOD.
Part: BEARING — FAILED (APU OIL PUMP) · airframe 49,228 hrs · 7,323 cycles
APU CONTROL STATUS MESSAGE. FOUND METAL IN APU. FOUND OIL PUMP BEARING FAILED.
Part: LIGHT — INOPERATIVE (CABIN) · airframe 49,228 hrs · 7,323 cycles
BOTH EMERGENCY LIGHTS OUT ON SEAT 2F. BOTH LIGHTS INOP ON SEAT 2F. REPLACED LAMP, TESTED GOOD.
Part: ENGINE — FAILED (APU) · airframe 48,883 hrs · 7,278 cycles
APU EMITS SMOKE FROM TAIL PIPE. OIL QTY RAPIDLY DROPPED TO ZERO. TURBINE BLADE TIP DAMAGE ON OLD APU. REPLACED APU. OPS NORMAL.
Part: O-RING — LEAKING (ENGINE OIL SYS) · airframe 48,629 hrs · 7,246 cycles
SIGNS OF OIL LEAK FROM NR 1 ENGINE. FOUND LEAK FROM FUEL SERVO HEATER TRANSFER TUBES AT BASEPLATE. REPLACED TRANSFER TUBES O-RING SEALS AND REFITTED FUEL SERVO HEATER. ACP'D DRY MOTOR AND NO LEAKS APPARENT. ACP'D IDLE RUN AND ALL OPS GOOD. NO LEAKS APPARENT.
Part: LAMP — BURNED OUT (EMERGENCY LIGHTS) · airframe 47,553 hrs · 7,119 cycles
EMERGENCY LIGHTS ON AFT END OF SEATS 2E & 3E ARE INOP. *S/D* SUSPECTED FAULTY LAMPS. REPLACED SEAT LIGHTS, OP CHECKED OK. AC OK FOR SERVICE.
Part: LENS — MISSING (EMERGENCY LIGHT) · airframe 47,553 hrs · 7,119 cycles
LIGHT COVER ON THE AFT SIDE OF DOOR 4L IS MISSING. *S/D* SUSPECT IMPROPERLY INSTALLED. REPLACED LIGHT COVER. AC OK FOR SERVICE.
Part: CIRCUIT CARD — MALFUNCTIONED (FUEL SYSTEM) · airframe 47,142 hrs · 7,070 cycles
FUEL PRESSURE PROBLEM. AFTER TROUBLE SHOOTING FOUND FAULTY SIGNAL CONDITIONING CARD. REPLACED SIGNAL CONDITIONING CARD PER MM24-09-00 ALL OPS NORMAL. ACFT OK FOR SERVICE.
Part: ACTUATOR — FAULTY (FUEL SYSTEM) · airframe 47,075 hrs · 7,061 cycles
RT TANK QTY INCREASES 300 LBS EVERY 10 MINUTES WITH CENTER TANK PUMPS ON. OCCURS IN NORMAL CONFIGURATION, JUST CENTER TANK RT AND LT PUMPS ON. REPLACED FWD RT MAIN DISCHARGE CHECK VALVE. PROBLEM REOCCURRED. RPL'D L-H JETTISON ISO VALVE ACTUATOR. OP'S CHK OKAY.
Part: UNKNOWN — UNKNOWN (FUEL SYSTEM) · airframe 47,075 hrs · 7,061 cycles
RIGHT TANK QTY INCREASES 300 LBS EVERY 10 MINUTES WITH CENTER TANK PUMPS ON. OCCURS IN NORMAL CONFIGURATION, JUST CENTER TANK RIGHT AND LEFT PUMPS ON.
Part: FAN — ODOR (CABIN) · airframe 46,764 hrs · 7,030 cycles
F/A'S REPORTED SCREECHING SOUND AND SMOKE ODOR IN 1ST CLASS. CMC INDICATED AN OVERHEAT OF THE EQUIP COOLING VENT FAN. REPLACED COOLING VENT FAN PER MM21-27-20 AND OPS CHECKED GOOD. AC OK FOR SERVICE.
Part: FIRE BOTTLE — FAULTY (FWD CARGO BAY) · airframe 46,712 hrs · 7,022 cycles
FIRE BOTTLE FOR FWD PIT, 1A, AFT CONNECTOR WILL NOT INSTALL ON BOTTLE. REPLACED BOTTLE. OP CHECKS OKAY.
Part: LIGHT — DAMAGED (CABIN) · airframe 46,245 hrs · 6,968 cycles
2E SIDE PANEL EMERGENCY ESCAPE LIGHT ASSY DAMAGED. REPLACED 2E EMERGENCY LIGHT ASSY. OPS OK.
Part: RECEPTACLE — MALFUNCTIONED (CABIN) · airframe 45,979 hrs · 6,939 cycles
THE 12B LAPTOP POWER OUTLET SMOKED WHEN PLUGGED IN, PER F/A PASSENGER STOPPED USING IT. TESTED PLUG. NO SIGN OF BURNED PINS OR SMOKE DAMAGE. UNABLE TO DUPLICATE PROBLEM.
Part: ENGINE — DAMAGED (NR 1) · airframe 45,914 hrs · 6,932 cycles
SILENT SURGES DETECTED IN NR 1 ENGINE. ENGINE REPLACED AT SFO DUE TO HEAVY HP COMPRESSOR BLADE DAMAGE FOUND BY BORESCOPE INSPECTION. ONE BLADE WAS FOUND BROKEN IN THE AIRFOIL. SUSPECT DAMAGE TO BE THE RESULT OF VSV INNER TRUNNION BUTTON LIBERATION. THIS IS A FIRST RUN HP COMPRESSOR. FINDINGS TO BE UPDATED FOLLOWING HP COMPRESSOR TEARDOWN. ESTIMATE 03/31/08.
2007
Part: UNKNOWN — ODOR (CABIN) · airframe 45,375 hrs · 6,873 cycles
FAINT SMELL OF HOT PLASTIC OR ELEC INSULATION NEAR DOOR 4R AT AFT CAPC. SUSPECT COFFEE WARMER HAD EXCESSIVE COFFEE RESIDUE. CLEANED WARMER. ALSO OPEN ACCESS PANELS IN AFT LAV AND GALLEY TO THE RESPECTIVE LIGHTS BALLAST AND INSPECTED FOR ANY DEFECTS, INSPECTED CSAP AT DOOR 4 LT ALL COMPONENTS SATISFACTORY. NO ABNORMAL SCENTS OR ODOR. AC OK FOR SERVICE
Part: WARNING SYSTEM — ACTIVATED (APU BATTERY) · airframe 43,820 hrs · 6,684 cycles
BATTERY CHARGER AND APU BATTERY MESSAGES DISPLACED ON STATUS PAGE. REPLACED BATTERY AND CHARGER PER MM24-31-05 & MM24-31-06. OP CHECKS READY FOR SERVICE.
Part: SKIN — DAMAGED (BS 219-201) · airframe 42,373 hrs · 6,497 cycles
LIGHTNING STRIKE DAMAGE ABOVE COCKPIT AT STA 219 LBL 9.5 AND STA 201 LBL 8. MAJOR REPAIR ACCOMPLISHED: INSTALLED DOUBLER REPAIR.
Part: STRUCTURE — DAMAGED (BS 285 S2L) · airframe 42,373 hrs · 6,497 cycles
STA 285.5 STR 2L IS DAMAGED. [SUP 06-01-07] MAJOR REPAIR ACCOMPLISHED DUE TO LIGHTNING STRIKE DAMAGE ON UPPER FUSE STA 285.5 STR 2L. REPAIR ACCOMPLISHED AND INSPECTED. A/C OK FOR RETURN TO SERVICE.
Part: STRUCTURE — DAMAGED (BS 256 LBL 10) · airframe 42,373 hrs · 6,497 cycles
STA 256 LBL 10 IS DAMAGED. [SUP 06-01-07] MAJOR REPAIR ACCOMPLISHED DUE TO LIGHTNING STRIKE DAMAGE ON UPPER FUSE BS 256 LBL 10. REPAIR ACCOMPLISHED AND INSPECTED. A/C OK FOR RETURN TO SERVICE.
Part: SKIN — DAMAGED (BS 247 S1L) · airframe 42,373 hrs · 6,497 cycles
UPPER FUSELAGE SKIN AT STA 247 STR 1L LBL 4 IS DAMAGED. MAJOR REPAIR ACCOMPLISHED: INSTALLED TRIPLER REPAIR.
Part: STRUCTURE — DAMAGED (BS 360 S2L) · airframe 42,373 hrs · 6,497 cycles
STA 360.0 STR 2L IS DAMAGED. [SUP 06-01-07] MAJOR REPAIR ACCOMPLISHED DUE TO LIGHTNING STRIKE DAMAGE ON UPPER FUSE STA 360 STR 2L. REPAIR ACCOMPLISHED AND INSPECTED. A/C OK FOR RETURN TO SERVICE.
Part: CABLE — FAULTY (R4 DOOR SLIDE) · airframe 41,288 hrs · 6,348 cycles
FLIGHT ATTENDANTS REPORT DOOR 4 RIGHT IS FROZEN AND WILL NOT DISARM. DOOR 4R UNABLE TO DISARM. RAISED TEMP IN AC TO THAW DOOR ARMING CABLE. CYCLED DOOR AND ARM DISARM LEVER NUMEROUS TIMES. APPLIED ICE RELEASE TO DOOR AND GIRT BAR MECH. PROBLEM REPEATED IN DEN. REPLACED ARMING PUSH PULL CABLE. OP CHKS NORMAL.
2006
Part: SKIN — DENTED (BS 677 S27-28L) · airframe 39,951 hrs · 6,150 cycles
DENT IS FOUND AT EXTERNAL FUSELAGE SKIN AT STA 677.5, BETWEEN STR 27L & 28L. ACCOMPLISHED HEFC INSPECTION IN DENTED AREA, INTERNAL AND EXTERNAL. NO CRACK IS FOUND. MEASURED DENT: 3.0" X 3.5", Y=.120". ACCOMPLISHED REPAIR PER EN777-53-0020-02 AND UA EVA-60625. REPLACE STR 27L TO 28L SHEAR TIE ANGLE. THE REPAIR IS A CATEGORY B REPAIR REQUIRES VISUAL REINSPECTION 094972 BEGINING AT 30000 CYCLE FROM CURRENT CYCLE COUNT. THE REPETITIVE INSPECTION WILL BE AT INTERVAL 0F 8000 CYCLE THEREAFTER. NOTIFIED SMAC-LINE MAINTENANCE TO REMOVE THE CF ITEM ONCE THE EC IS IMPL EMENTED. THE REPAIR IS FAA APPROVED.
Part: ENGINE — SEIZED (RIGHT) · airframe 39,425 hrs · 6,071 cycles
RT ENGINE SEIZED AT 14000 FT. AMBER ALERT DECLARED. ENGINE REPLACED AT IAD. SHOP TEARDOWN FOUND ONE HPT STAGE-2 BLADE FAILED UNDER THE THE PLATFORM DUE TO STRESS CORROSION CRACKING. SIX (6) ADJACENT BLADES WERE FRACTURED, AS A RESULT, APPROXIMATELY 1/4" ABOVE THE PLATFORM, THEREBY CAUSING HEAVY VIBRATION. SEVENTEEN (17) OTHER STAGE-2 BLADES WERE SIMILARILY FRACTURED 1/4" ABOVE THE PLATFORM. ALL MAINLINE BEARINGS SUFFERED HEAVY RESULTANT DAMAGE, ANF THE N1 & N2 ROTORS WERE FROZEN.THIS WAS A FIRST RUN ENGINE.
Part: LAMP — BURNED OUT (EMERGENCY LIGHT) · airframe 39,422 hrs · 6,069 cycles
EMERGENCY EEL LIGHT INOP AT SEAT 1E FWD. REPLACED LIGHT ASSY. OPS CHECK OK.
Part: SKIN — DAMAGED (FUSELAGE) · airframe 39,134 hrs · 6,024 cycles
DENTS AT STA 1660 BETWEEN STR 43R & STR 44R AND BETWEEN STR 44R & STR 45R. BOTH DENTS ARE APPROX 7 INCHES IN DIAMETER, SMOOTH BUT WITH A .25 INCH DEPTH. FWD OF AFT PIT BELOW FLOOR LEVEL. DENT AT STA1660 BETWEEN STR 43R & STR 44R, DENT AT STA 1660 BETWEEN STR44R & STR45R. BOTH DENTS ARE APPROX. 7" IN DIAMETER, SMOOTH BUT WITH A .25" DEPTH. NO STRINGER DAMAGE DISCOVERED. BACO PROVIDED DETAILS OF REPAIR. CUT OUT BOTH DENTS. CUT DOUBLERS TO FINAL SIZE AND INSTALLED. CARGO LOADER DAMAGE.
2005
Part: LAMP — BROKEN (SEAT 1E) · airframe 36,955 hrs · 5,685 cycles
ARMREST SIDE ONE EMERGENCY PATH MARKING LIGHT BROKEN AT SEAT 1E. REPLACED LAMP ASSY.
Part: FITTING — DAMAGED (BULKHEAD) · airframe 36,787 hrs · 5,654 cycles
NR 1 ENGINE AFT SAILTAIL COMPT LWR BKHD FITTING FAIL CONDUCTIVE TEST. NR 1 ENGINE AFT SAILTAIL COMPT LWR BKHD FITTING FAILED CONDUCTIVE TEST BECAUSE OF HEAT DAMAGE. MAJOR REPAIR WAS ACCOMPLISHED PER EVA UA-EVA-50816B.
Part: PRESSURE VALVE — MALFUNCTIONED (ESCAPE SLIDE) · airframe 34,598 hrs · 5,338 cycles
BROKEN PRV FOUND IN SLIDE WHEN OPENED FOR OVERHAUL. SLIDE WOULD NOT HOLD AIR PRESSURE. DAMAGED PRESSURE RELIEF VALVE WAS OBSERVED DURING SLIDE/RAFT COMPONENT SHOP MAINTENANCE. THE EXACT CAUSE OF THE DAMAGE TO THE PRESSURE RELIEF VALVE COULD NOT BE DETERMINED, BUT IT IS SPECULATED IT WAS DAMAGED DURING THE LAST PACKING PROCESS. PRESSURE RELIEF VALVE ASSEMBLY WAS REPLACED.
Part: SKIN — TORN (FUSELAGE) · airframe 33,223 hrs · 5,153 cycles
LT SIDE FUSELAGE DAMAGED. MAJOR REPAIR ACCOMPLISHED. DAMAGE TO FUSELAGE SKIN AND STRINGER AT APPROXIMATELY BS 645, STR 29L - 30L FOLLOWING CONTACT WITH AIRSTAIR CASE. MAJOR REPAIR ACCOMPLISHED ON EVA ORD-6140 -A- AND ORD-6142.
Part: WARNING SYSTEM — ACTIVATED (LT ENGINE) · airframe 33,160 hrs · 5,141 cycles
LT ENG FIRE LOOP AND LT ENG OVERHT DETECT EICAS MESSAGES. OIL QTY AND OIL PRESSURE DROPPED. ENGINE SHUTDOWN. EMERGENCY DECLARED. ENGINE REPLACED. FOUND ONE HPT STG-2 BLADE FAILED AT AIRFOIL MID-SPAN AS A RESULT OF INTERNAL SULFIDATION. ANOTHER BLADE FAILED NEAR THE AIRFOIL PLATFORM, AS A RESULT OF CONTACT WITH DEBRIS FROM 1ST BLADE. RESULTED IN VIBRATION. OVER TIME, CAUSED FAILURE OF THE FIRE/OVERHEAT LOOPS, & RESULTED IN CRACKING OF OIL PRESSURE LINE BETWEEN SERVO FUEL HEATER & AIR OIL HEAT EXCHANGER. CAUSE OF BLADE SULFIDATION CONTAMINATION OF COOLING PASSAGES WITH TURBO-TIP COATING. PWA HAS CHANGED COATING PROCESS TO PRECLUDE FUTURE CONTAMINATION.
2003
Part: WIRE — DETACHED (EMERGENCY LIGHT) · airframe 27,490 hrs · 4,275 cycles
WIRES DETACHED FROM EMERGENCY EVAC LIGHTS ON SEAT SHROUD. REPLACED AFT EMERGENCY LIGHT ASSY.
2002
Part: CIRCUIT CARD — FAULTY (FIRE WARNING) · airframe 22,226 hrs · 3,524 cycles
INTERMITTENT PROBLEM WITH LEFT ENGINE FIRE DETECTION SYSTEM. THE NR 1 ENGINE OVERHEAT MESSAGE WAS A FALSE INDICATION. BOTH OF THE NR 1 ENGINE FIRE LOOPS WERE INSPECTED AND OPS CK'D WITH NO DISCREPANCIES FOUND. DUE TO LEFT CARD FAULT INDICATION FROM CMC, THE NR 1 ENGINE FIRE DETECTION CARD WAS REPLACED.
2001
Part: WIRE — DAMAGED (CABIN) · airframe 17,268 hrs · 2,718 cycles
EMERGENCY LIGHTS AT SEAT 3F (FLOOR PROX) ARE INOP. *S/D* EMERGENCY PROX LIGHTS AT SEAT 3F WERE INOP DUE TO CHAFED OR DAMAGED WIRES NEAR THE THE SEAT DISCONNECT ALONG THE WIRE RUN WHICH CONTAINS THE INVERTERS. INSTALLED TEMPORARY REPAIR BY SPLICING WIRE HARNESS. PERMANENT REPAIR IS SCHEDULED FOR THE NEXT MAINTENANCE OPPORTUNITY.
Part: CARBON SEAL — LEAKING (NR 1 ENGINE) · airframe 17,039 hrs · 2,688 cycles
ACRID-ONLY SMOKE SMELL IN COCKPIT AND CABIN NO SMOKE VISIBLE. OUT OF FL204 IN DESCENT BETTER BY 104. *S/D* REPLACED NR 1 ENGINE. SHOP INVESTIGATION REVEALED NO VISIBLE OIL IN THE ENGINE GAS PATH OR PNEUMATIC DUCTS AND NO EXTERNAL OIL LEAKS. NO OIL IN FAN HUB OR SPINNER. VACUUM TEST OF NR 1, 1.5 & 2 BEARING COMPARTMENTS INDICATED LEAKAGE ONE PPH OVER LIMIT. DISASSEMBLY REVEALED LIGHT OIL COATING ON INNER WALL OF LPC DRUM. COMPONENT TEST OF NR 1.5 & 2 BEARING CARBON SEAL ASSEMBLY REVEALED HIGH AIR LEAKAGE AT THE 1.5 CARBON SEAL OF 7.3 CU. FT. / MINUTE (LIMIT = 3.0 CU FT / MIN). POSSIBLE CAUSE OF COCKPIT AND CABIN ODOR IS OIL LEAKAGE PAST THE NR 1.5 CARBON SEAL.
1999
Part: CONTROL PANEL — FAILED (CABIN) · airframe 9,550 hrs · 1,506 cycles
REPORT OF ODOR IN AREA OF DOOR 4 RIGHT. FOUND CACP (CABIN AREA CONTROL PANEL) AT DOOR 4 RIGHT BURNED OUT. PULLED CIRCUIT BREAKER TO REMOVE POWER SUPPLY TO PANEL. *S/D* INSTALLED NEW CACP SCREEN (P/N: 285W0012-3). NO EVIDENCE OF AIRCRAFT ELECTRICAL SYSTEM PROBLEMS. AIRCRAFT RETURNED TO SERVICE WITH NO FURTHER DIFFICULTIES.
Part: STRUCTURE — VIBRATION (AIRFRAME)
CREW REPORTED AFTER TAKEOFF AIRFRAME VIBRATION OF UNDETERMINED ORIGIN. AIRCRAFT RETURNED TO LAX.
Part: BOOST PUMP — INOPERATIVE (LEFT)
ABOUT 45 MIN AFTER DEPART (ORD-FRA) FLT CREW RECEIVED ADVISORY MSG, FUEL PUMP L FWD INDICATING LEFT FORWARD (BOOST) FUEL PUMP OUTPUT PRESSURE LOW. ETOPS RESTRICTIONS APPLIED PER MEL. *S/D* RELAY (L FWD FUEL BOOST PUMP SWITCH) IN P320 IS NOT IN THE COMMANDED POSITION. TRIED TO RESET BY ACCOMPLISHING FIM 28-22 TASK 826, NO HELP. MSG BECAME NOT ACTIVE BUT PUMP STILL INOPERATIVE. CHECKED PHYSICALLY AND PUMP NOT OPERATING. PERFORMED QUICK CHECK FOR ELECTRICAL POWER AT CONNECTOR AND FOUND AVAILABLE. REPLACED LEFT FORWARD BOOST PUMP (P/N: 568-1-29115-002) AND PERFORMED OPS CHECKS PER AMM 28-22-05.