N773UA
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 | Operator | 2018-02-13 – 2018-02-13 | Operator named in NTSB report |
| UNITED AIRLINES, INC. (CALA) | Operator | 2018-02-13 – 2018-02-13 | Operator named in NTSB report |
Accident & incident history
Maintenance disclosures
LAVS 1L 2L 2R 3LAFT AND 3R WILL NOT FLUSH. REPLACED VACUUM CHECK VALVE IAW AMM 38-32-07. FOUND ALTITUDE SWITCH 38006 BROKEN. REPLACED BOTH ALTITUDE SWITCHES IAW AMM 38-32-07. SIMULATED AIRCRAFT IN AIR MODE, ALL TOILETS OPS NORMALLY.
EMERGENCY LIGHTS, OPS TEST WITH THE TEST SWITCHES PROCEDURE. EMERGENCY AREA LIGHT L33487 INOP IN FWD MID GALLEY CEILING RELAMPED IAW AMM 33-51-03-960-801 OP CK GOOD.
COCKPIT FUMES SMELLED STRONGLY OF DIRTY SOCK TYPE ODOR. BOTH ENGINES SHOWING OIL QTY 24/24 BOTH ENGINES WERE RUN WITH CREW IN FLIGHT DECK, NO EVIDENCE OF BAD OR CHEMICAL ODOR DURING PACKS OPERATION WITH RECIRC FANS ON AND OFF, FLIGHT DECK, E/E AND A/C BAYS WERE INSPECTED NO EVIDENCE OF BURNING OR DAMAGE EQUIPMENT NOTED, WITH APU RUNNING AND PACKS ON WITH RECIRC FANS ON AND OFF NO EVIDENCE OF BAD ODOR NOTED FOLLOWING AMM 05-51-58-800-801-C3. ALL ENGINE PARAMETERS OK SMOKE/ODOR IN THE FLIGHT DECK - CONDITIONAL INSPECTION PERFORMED IAW AMM 05-51-58-800-801-C3, ACFT BACK TO SERVICE.
FWD CARGO OPEN ICAS IN FLIGHT MESSAGE MSG 52-12330. CAUTION EXTINGUISHED ON LANDING. REF LP 7277402. SWITCHES S52021, S52042, AND S52022 DISCONNECTED FOR DEFERAL. NEEDS FURTHER TS. T/S FLCD DOOR INDICATION PROXIMITY SENSOR REF FIM 52-34 TASK 811. FOUND LATCHED FORWARD CARGO DOOR PROXIMITY SENSOR S52042 FAULTY. REMOVED AND REPLACED S52042 SENSOR REF AMM 52-71-02-900-802. OPS CHECKED GOOD.
DURING T/O THE CABIN EMERGENCY LIGHTING ILLUMINATED PERFORM EMERGENCY LIGHTS - OPERATIONAL TEST PER AMM 33-51-00-710-801, OPS TEST GOOD, COULD NOT DUPLICATE WRITE UP
DR R3 M33401 EMER LIGHT BATTERY TEST FAILED. DR R3 M33401 EMERG LIGHT BATTERY REPLACED AND CHECKED NORMAL DETAIL REFER ATTACH FORM 44-0008 ITEM 1-2.
DR L1 M33093 EMER LIGHT BATTERY TEST FAILED. DR L1 M33093 EMERG LIGHT BATTERY REPLACED AND CHECKED NORMAL.
DR L2 M33096 EMER LIGHT BATTERY TEST FAIL. DR L2 M33096 EMERG LIGHT BATTERY REPLACED AND CHECK NORMAL IAW A MM 33-51-06.
RAMP REPORTS DENT ON BULK CARGO DOOR PATCH. ACCOMPLISHED STEPS 1-3 OF AVO14038 REV B. NO OTHER DAMAGE AT THIS TIME AND ALL FASTENERS ARE SECURED. EXTERNAL REPAIR WILL BE THE MAP OUT FOR ESC FABRICATED AND INSTALLED NEW REPAIR ON RH BULK DOOR IN REF TO ECRA5230-02268, ALL STEPS HAVE BEEN ACCOMPLISHED
POWER SUPPLY - BATTERY PACK CAPACITY CHECK PROCEDURE - BATTERY PACK AT L1 DOOR DIES NOT HAVE 15 MIN CAPACITY REPLACED BATTERY AT POWER SUPPLY M33093 PER AMM 33-51-06-960-802 CK OK. PARTS USED: 99-3351-3-0015, QTY :1
ON TAKE OFF ATC NOTIFIED US BLACK SMOKE COMING OU T ON LEFT ENGI NE AND FEW FOUND IDG OIL APPEARS HIGH, ENGINE OIL ALSO INDICATED HIGH. DRAINED IDG TO LEVEL, ALSO DRAINED ENGINE OIL. CREW REQUEST ENGINE RUN, FOR VERIFICATION. ACP'N RUN AT THIS TIME. AFTER ENGINE RUN, #1 BOOM STALL, N1 FROZEN. WILL PULL CHIPS AFTER OFF LOAD. PULLED ALL CHIP DETECTORS, NO METALLIC FUZZ OR DEBRIS, BUT FAN IS DEFINATELY FROZEN. (SUSPECT ENGINE BEARING)
REJECTED TAKEOFF AT 35KIAS, MAIN GEAR STEERING EICAS MAIN GEAR STEERING STATUS POPPED UP ON TAXI, DISAPPEARED THAN FOLLOWED MAINTENANCE ACTION, PULLED BREAKER (N27) ON P110 PANEL, CAME BACK AND STAYED ON EICAS LOCKED OUT PCAS MAIN GEAR STEERING SYSTEM - MEL 3253A DURING TROUBLESHOOT, FOUND ACTIVE MAINTENANCE MESSAGE 32-63020. THE MESSAGE. NO ACTIVE FAULTS OR STATUS MESSAGES AT THIS TIME. FOLLOWED FIM TASK 32-53 TASK 810, PERFORMED TILLER STEERING TEST, AND MAINTENANCE MESSAGE TURNED TO INACTIVE. PER FIM TASK 32-53 TASK 810 IT IS AN INTERMITTENT FAULT AND WAS ABLE TO CLEAR
FOUND CABIN L3 DOOR AREA EMERGENCY POWER SUPPLY M33400 BATTTERY LOW CAPACITY, REFER TO HAECO NR NO. 9464555, SPEC NO. B777-33-3- 7019. PERFORMED BY EMP V903250 IDT BY TA308, REPLACED THE CABIN L3 DOOR AREA EMERGENCY POWER SUPPLY M33400 BATTERY AND OPERATIONAL TEST CARRIED OUT, FOUND NORMAL AS PER AMM 33-51-06-960-802 REV99 &AMM 33-51-00-710-801 REV 99.
FOUND CABIN R3 DOOR AREA EMERGENCY POWER SUPPLY M33404 BATTERY LOW CAPACITY, REFER TO HAECO NR NO. 9464554, SPEC NO. B777-33-3- 7019. PERFORMED BY EMP V903250 IDT BY TA308, REPLACED THE CABIN R3 DOOR AREA EMERGENCY POWER SUPPLY M33404 BATTERY AND OPERATIONAL TEST CARRIED OUT FOUND NORMAL AS PER AMM 33-51-06-960-802 REV 99 AND AMM 33-51-00-710-801 REV 99.
FOUND CABIN L1 DOOR AREA M33093 EMERGENCY POWER SUPPLY BATTERY LOW CAPACITY, REFER TO HAECO NR NO. 9464549, SPEC NO. B777-33-3- 7019. PERFORMED BY EMP V903250 IDT BY TA308,REPLACED THE CABIN L1 DOOR AREA EMERGENCY POWER SUPPLY M33093 BATTERY AND OPERATIONAL TEST CARRIED OUT, FOUND NORMAL AS PER AMM 33-51-06-960-802 REV 99 & AMM 33-51-00-710-801 REV 99.
FOUND CABIN L4 DOOR AREA EMERGENCY POWER SUPPLY M33407 BATTERY LOW CAPACITY, REFER TO HAECO NR NO. 9464551, SPEC NO. B777-33-3- 7019. PERFORMED BY EMP V903250 IDT BY TA308, REPLACED THE CABIN L4 DOOR AREA EMERGENCY POWER SUPPLY M33407 BATTERY AND OPERATIONAL TEST CARRIED OUT, FOUND NORMAL AS PER AMM 33-51-06-960-802 REV99 & AMM 33-51-00-710-801 REV 99.
FOUND CABIN R1 DOOR AREA EMERGENCY POWER SUPPLY M33094 BATTERY LOW CAPACITY, REFER TO HAECO NR NO. 9464547, SPEC NO. B777-33-3- 7019. PERFORMED BY EMP V903250 IDT BY TA308, REPLACED THE CABIN R1 DOOR AREA EMERGENCY POWER SUPPLY M33094 BATTERY AND OPERATIONAL TEST CARRIED OUT, FOUND NORMAL AS PER AMM 33-51-06-960-802 REV99 & AMM 33-51-00-710-801 REV 99.
FOUND CABIN L2 DOOR AREA EMERGENCY POWER SUPPLY M33095 BATTERY LOW CAPACITY, REFER TO HAECO NR NO. 9464552, SPEC NO. B777-33-3- 7019. PERFORMED BY EMP V903250 IDT BT TA308, REPLACED THE CABIN L2 DOOR AREA EMERGENCY POWER SUPPLY M33095 BATTERY AND OPERATIONAL TEST CARRIED OUT, FOUND NORMAL AS PER AMM 33-51-06-960-802 REV99 & AMM 33-51-00-710-801 REV 99.
FOUND CABIN R2 DOOR AREA EMERGENCY POWER SYPPLY M33097 BATTERY LOW CAPACITY, REFER TO HAECO NR NO. 9464553, SPEC NO. B777-33-3- 7019. PERFORMED BY EMP V903250 IDT BY TA308, REPLACED THE CABIN R2 DOOR AREA EMERGENCY POWER SUPPLY M33097 BATTERY REPLACED AND OPERATIONAL TEST CARRIED OUT, FOUND NORMAL AS PER AMM 33-51-06-960-802 REV99 AND AMM 33-51-00-710-801 REV 99.
CAB STA 265.5 STR 27R STRINGER FOUND CRACK,REFER TO HAECO NR NO. 9464889, SPEC NO. B777-53-3-7111. CABIN STA 265.5 STR 27R STRINGER REPAIRED AS PER SRM 53-10-03-2R-5 REV 93.
PANEL MISSING LT WING OUTBOARD FLAP OTBD END. FOR PANEL MISSING LT WING OTBD FLAP. RAN FLAPS TO VERIFY THEY OPERATE NORMAL, OP CHECKED GOOD. LT WING AUX TRACK FAIRING MISSING, COMPLIED WITH CDL. TOMC APPROVES THE USE OF CDL 57J FOR LT OTBD FLAP AUX. TRACK FAIRING MISSING. FOUND AFT FAIRING SUPPORT FITTING BROKEN. WILL REQUIRE FLAP CHANGE, FLAP INSTALLED ON AC. PICKED UP HOES IN NEW BRACKET REF. CMM 57-51-07 REINSTALLED NEW BRACKET L/H WING OUTBOARD FLAP ,OUTBOARD -END REF:CMM57-51-07 AND NEW A (MISSING) AFT FAIRING ASSEMBLY.REF: IPC. OUTBOARD TRAILING EDGE WEDGE PANEL(INSTALLED) NEED TO BE SEAL. LOOSENED OUTBOARD FLAP AFT WEDGE AND REMOVED AFT FAIRING SUPPORT FITTING.
REF LOG PAGE 8432552 REPLACED BATTERY PACKS AT DOOR L2 PER AMM 33-51-06-960-801, OPS CHECKS GOOD. IDT AND SDR NOT NOT INDICATED AS REQUIRED. OPENED PANEL ABOVE DR2L FOR INSPECTION, RESECURED PANEL AFTER INSPECTION REF AMM 33-51-06. PERFORMED IDT INSP OF REPLACED EMERGENCY BATTERY PACKS AT DOOR L2 PER AMM 33-51-06-960-801, OPS CHECKS NORMAL. NO DEFECTS NOTED.
SUPPORT TASK- EA5310-06900 (AD2019-11-02) STEP 22.7 3EA HOLES FOUND CRACK ON FRONT SPAR CHORD DETAIL REFER FINDING REPORT. TRANSFER REF NR LP 9130731 AND ORIGINATED BY EMP V924735. EA 5310-06900 REV D OP 011 STEP 22.7 (3EA) HOLE CRACK ON FRONT SPAR CHORD REPAIRED AS PER SRM57-10-10-2R-1 REPAIR 1 ATTACHED FORM 44-0008 ITEM 1-19 ACCOMPLISHED BY MECH V906027 AND INSPECTED BY V925649 ADD EMP:V925649 RII INSPECTED BY HX 341008 ADD EMP:V896888
SUPPORT TASK -EA 5310-06900 REV D OP 001 , AD 2019-11-02 LH BS 1035 BUILT-UP UNDERWING LONGERON FOUND 1EA CRACK PRINT AND ACCOMPLISH OP11 - REFER TRANSFER NON-ROUTINE LP 9130199 - AND ORIGINATED BY EMP V924733 FUSE LAGE LH UNDERWING LONGERON REPLACED AND INSTALLED AS PER EA 5310-06900 REV D OP 011 - WORK ACCOMPLISHED BY V897471 AND INSPECTED BY V925649 ADD EMP:V925649 RII INSPECTED OKAY BY HX 139007 ADD EMP:V896832
SUPPORT TASK - EA5310-06900 - (AD2019-11-02) STEP 22.7 2EA HOLES FOUND CRACK ON RING CHORD DETAIL REFER FINDING REPORT TRANSFER REFER NON-ROUTINE LP 9130728 - AND ORIGINATED BY EMP V924733
SUPPORT TASK- EA5310-06900 (AD2019-11-02) STEP 20.2 3EA HOLES FOUND CRACK ON SKIN LAYER, DETAIL REFER FINDING REPORT. TRANSFER REF NR LP 9130730 AND ORIGINATED BY EMP V924733. DTA/DIP IS REQUIRED FOR INITIAL INSP AT 26,233 TOTAL FC WITH REPEAT INSP INTERVALS NOT TO EXCEED 4000 TOTAL CYCLES. FUSELAGE SKIN INTERIM REPAIRED PER ECRA 5331-02819 PART 1, LH SIDE STA 993-1035 BETWEEN STR 35L & 38L.. PER ECRA PART 2, A ADD EMP:V893003 RII INSPECTED BY HX 341008 ADD EMP:V896888 WHILE RPL L UNDERWING LONGERON, BUILT-UP FUSE SKIN FOUND CRACKED TOMC-APPROVAL FROM SC1ELBYC COMMENT STATION 1035 STR 35L-38L. ALSO FSTN HOLE FOUND OVERSIZED. PER ECRA 5331-02819 C/W INTRM RPR PART 1. INITIATE DIP ACCOMPLISH THE INSPECTIONS PER THE LATEST REV OF ECRA PART 2 ON OR BEFORE THE AC TOTAL FC 26,233. REPEAT INSP AT INTERVALS NOT TO EXCEED 4000 CYC. INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE.
REF LOG PAGE 7405211. FOUND #1 ENG AIR/OIL HEAT EXCHANGER LEAKING EXTERNALLY FROM WITHIN THE COOLING FINS, REF PICTURES. REMOVED #1 ENG AIR/OIL HEAT EXCHANGER REF MM 79-21-08. OLD PART STORED ON A CART BELOW ENGINE WITH HARDWARE. ADD EMP:U121006 REPLACED #1 ENGINE AIR/OIL HEAT EXCHANGER PER REF AMM TASK 79-21-08-400-801. OPS AND LEAK CHECKED PER REF AMM71-00-00. TEST #3 AND TEST #6. NO LEAKS AND FAULTS NOTED. ADD EMP:U349250
REF 3792475 URINE SMELL VCNTY ROWS 47/49 AB NUMEROUS CUSTOMER HE ALTH REPEAT COMPLAINT... ITEM NEEDS TO BE ADDRESSED. LOG LOCKED FOR FIX CONFIRMATION. UNLOCKED FOR FIX REF. LOG PAGE #3794099 FOR CORRECTIVE ACTION. FOUND LAV COUPLING MISSING ON LAV WASTE PIPE IN AFT CARGO PIT AT STATION 1500 LEFT HAND SIDE, WILL REQURE BIOHAZARD CLEAN UP. CONTAMINATION IS CONTAINED WITHIN STATION 1500-1600 AND RE-CONNECTED LAV WASTE TUBING WITH NEW CLAMP ASSEMBLYS AND O-RINGS, @ L/H SIDE STATION 1400-1500 AREA, LEAK
BS 2370 LT PIVOT BULKHEAD FORWARD STRUCTURE, OTBD SURFACE FOUND CRACKED, REPAIRED IAW EA 5380-01113 OP11.
R3 DOOR EMERGENCY LIGHT BATTERY PACK FOUND TO HAVE LOW VOLTAGE. THE BATTERY PACK WAS REPLACED AND CHECKED NORMAL IAW AMM 33-51-06.
L1 DOOR EMERGENCY LIGHT BATTERY PACK FOUND TO HAVE LOW VOLTAGE. THE BATTERY PACK WAS REPLACED AND CHECKED NORMAL IAW AMM33-51-06.
L3 DOOR EMERGENCY LIGHT BATTERY PACK FOUND TO HAVE LOW VOLTAGE. THE BATTERY PACK WAS REPLACED AND CHECKED NORMAL IAW AMM 33-51-06.
R1 DOOR EMERGENCY LIGHT BATTERY CHARGER FOUND INOPERATIVE. THE CHARGER WAS REPLACED AND CHECKED NORMAL IAW AMM 33-51-06.
L1 DOOR AREA EMERGENCY LIGHT FOUND DIM. THE POWER SUPPLY M33093 AND BATTERY PACK WERE REPLACED AND TESTED NORMAL IAW AMM 33-51-06.
ZONE A, CEILING EMERGENCY LIGHT FOUND DIM. THE BATTERY PACK WAS REPLACED AND TESTED NORMAL IAW AMM 33-51-06.
ZONE B, RT EMERGENCY LIGHT FOUND TO BE DIM AT THE R2 DOOR AND THE R3 DOOR, THE POWER SUPPLY BATTERY PACK WAS REPLACED AND TESTED NORMAL IAW AMM 33-51-06.
FOUND ONE CRACK ON THE SKIN AT BS 2195.75, BETWEEN STRINGERS 6R AND 7R. AREA TRIMMED OUT IAW DWG 624W0013, SHEET 1, REV B, AN HFEC INSPECTION WAS CARRIED OUT IAW NTM, PART 6, 51-00-01, PROC 2. NO CRACK FOUND. REPAIRED IAW EA 5300-01986, OP 10.
FOUND ONE CRACK IN THE SKIN BS 2221.65 BETWEEN STRINGERS 9L AND 10L. AREA TRIMMED OUT IAW DWG 624W0013, SHEET 2, REV B, AN HF EC INSPECTION WAS CARRIED OUT IAW NTM, PART 6, 51-00-01, PROC 2, NO CRACK WAS FOUND. REPAIRED IAW EA 5300-01986, OP 08, L/P 9.
R4 DOOR EPAS BATTERY PACK FOUND INOPERATIVE. THE BATTERY PACK WAS REPLACED. OPS TESTED NORMAL IAW AMM 52-11-20.
ZONE B, LEFT CEILING EMERGENCY LIGHT FOUND DIM. THE POWER SUPPLY BATTERY PACK M33400 AND 33406 WERE REPLACED AND TESTED NORMAL IAW AMM 33-51-06.
R1 DOOR AREA EMERGENCY LIGHT FOUND DIM. THE POWER SUPPLY M33094 AND BATTERY PACK WERE REPLACED AND TESTED NORMAL IAW AMM 33-51-06.
AFT CARGO BAY STRINGER 37L, BS 1769 - 1790 FOUND CORRODED. REPAIRED THE STRINGER IAW EC/RA 5319-01001, REV.
DAMAGED SKIN BS 723 ABOVE STRINGER 33R AT THE LAP JOINT.
DAMAGE TO FUSELAGE SKIN BELOW LAP JOINT ON BS 925. C/W WITH STEPS 1.1 TO STEP 1.10 REF AVO 6586 C/W HFEC PER NDT PART 6 51-00-01. NO DEFECTS FOUND. REF L/P 6290377 FOR WORK PERFORMED PER AVO 6586. C/W ECRA 5310-07362 REV 0 PART 1 TO END STEP 8 C/W ECRA 5330-06339 REV 0 PART 1 TO END OF STEP 6 . COMPLIED WITH ECRA 5330-06339 C/W ECRA 5310-07362 REV 0 PART 1 TO END STEP 8 C/W ECRA 5330-06339 REV 0 PART 1 TO END OF STEP 6 . QC869 COMPLIED WITH ECRA5330-06339
NR 2 ENGINE FAILURE DUE TO SEVERE ENGINE DAMAGE AT 36,000 FT. IFSD PERFORMED. UNCONTAINED FAILURE. EMERGENCY DECLARED. REPLACED THE NR 2 ENGINE IAW AMM 71-00-02.
SMELL OF SOMETHING SIMILAR TO ELECTRICAL BURNING FROM DOOR 2 GALLEY FWD FOUND CEILING LIGHTS AT SEAT 25A AND 27A INOP. BALLAST ON LIGHT ASSY AT 25A HAS BURNT ELECTRICAL SMELL. REPLACED BOTH LIGHT ASSY. CHECKS GOOD. PERFORMED ELECTRICAL TASK IN MM05-51-58-800-801C 3 STEPS CA THROUGH CF, AND 2A,2B,AND 2C 1THROUGH 9. AFTER LIGHT ASSY REPLACEMENT AND ELECTRICAL CHECKS, POWERED A- C THROUGHOUT SHIFT AND NO ELECTRICAL SMELLS NOTED. OK TO CLEAR ITEM FROM TOMC.
FLASHLIGHT BATTERY LOW, FLASHLIGHT AT AFT GALLEY SEAL BROKEN. REPLACED THE FLASHLIGHT BATTERY IAW AMM 25-64-95, OPS CHECKED OK.
MAIN DECK, STATION 1287 - 1308, RBL 11 TO RBL 18.3, HORIZONTAL PRESS DECK WEB FOUND CRACKED, APPROX 2.0" IN LENGTH. REPAIRED IAW ECRA 5310-06625 & SB 777-53-0004 DATED MAY 11 2000.
MD 1287 - 1308, RBL 25.7 TO RBL 33, HORIZONTAL PRESS DECK WEB FOUND CRACKED, APPROX 1.5" IN LENGTH. HORIZONTAL PRESS DECK WEB REPAIRED IAW ECRA 5310- 06625 & SB 777-53-0004, DATED MAY 11 2000 FIG 3.
MAIN DECK STATION 1287 - 1308, LBL 18.3 TO LBL 25.7, HORIZONTAL PRESS DECK WEB FOUND CRACK APPROX 2.5 IN LENGTH. REPAIRED IAW ECRA 5310-06625 & SB 777-53-0004 DATED MAY 11 2000 FIG 3.
DURING EMER LIGHTS TEST FOUND EMER OVER DOOR AREA LIGHT & SIGNS AT DOOR 4R INOPERATIVE. ALSO EXIT SIGNS OVER AFT LT & RT ATTENDANT PANELS & AFT OVERHEAD AISLE LT & RT EXIT SIGN & DOOR 4L EXTERIOR SLIDE LIGHT INOPERATIVE. REPLACED POWER SUPPLY AT DOOR 4R IAW MM 33-51-06. OPERATIONS CHECKED NORMAL.
FUEL PUMP CTR RT CENTER, OVERRIDE, FUEL PUMP SWITCHED ON & PUMP OUTPUT PRESS LOW. MSG 2812011 ACTIVE CL MODE & MSG 2812021 ACTIVE ER MODE. REPLACED RT CTR FUEL PUMP PRESS SWITCH IAW MM28-42-01 & IPC 28-42-01-002. OPERATIONS & LEAK CHECKED GOOD.
CONTROL PANEL AT 2L SHORTED OUT & ELECTRICAL SMOKE SMELL. INVESTIGATED SOURCE OF ODOR & IDENTIFIED OVEN R32, DOCUMENTED AT PTT 6262004. CREW TERMINAL AT 2L IS FAULTED WITH ELECTRIC NOISE, DEACTIVATED CONNECTOR J1 & GND 1 AS PRECAUTION. CREW TERMINAL IS INOPERATIVE NOW. PANASONIC SLAVED IN CREW TERMINAL, NO HELP. SUSPECT POWER SWITCH AT CT CASE. REMOVED CT PN R D FA1051-01 SN E519825 FOR TROUBLESHOOTING.
RT HYD PRIMARY PUMP OVERHEAT OR RT PRIMARY PUMP OUTPUT PRESS LOW WHEN COMMANDED ON. ACCOMPLISHED FIM TASK 29- 11-867, REPLACED EDP IAW MM 29-11-05 PG 401 & FAULT STILL EXISTS. REPLACED EDP SUPPLY SELF-SEALING COUPLING IAW MM 29-11-05 & MESSAGE NOT ACTIVE & PUMP OPERATIONS NORMAL.
NOT AK 2 ENG IDG FILTER. REPLACE IDG OIL FILTER ELEMENT ON RT ENG IDG IAW AMM. INSTALLED NEW IDG FILTER ASSEMBLY.
CREW REPORTS LT ENG OIL QTY LOSS, INDICATED QTY IS ZERO, PRESSURE IS 73 PSI & TEMPERATURE NORMAL. A REVIEW OF THE IFSD REPORT SHOWS OIL PRESSURE WAS BELOW MINIMUM 70 PSI WITH ENG ABOVE IDLE. IAW JRH 2-2-63 ENG REQUIRES REMOVAL.
SATCOM HIGH GAIN INOPERATIVE LOW GAIN OKAY. RESET SATCOM SYSTEM, PERFORMED GROUND TEST IAW MM 23-15-00, CHECKED NORMAL.
APU BATTERY FAILURE. INTERMITTENT MSG-2413047 INACTV ER MODE. MAINT MSG 24-13047.
WORK WITH DF0855, RT FWD LAVATORY 100 DOME LIGHT FOUND LUG BROKEN ON PLANE SIDE, REPLACED WHITE LUG ON WIRE NR 2. REF SSM 33-26-11 & SWP 20-30-11. FOUND DOME LIGHT ASSEMBLY WIRE LOOSE & BURNT. DOME LIGHT REFLECTOR BROKEN RECEIVED ASSEMBLY PCN 566- 1341 & CAME WITHOUT REFLECTOR PCN 566-1612. PSU DOOR OPENED FOR ACCESS, PULLED & TAGGED CB'S P110 F2,A15. DOME LIGHT ASSEMBLY REMOVED.
FORWARD CARGO BAY SMOKE DETECTOR ZONE FAILED. REPLACED SMOKE DETECTOR, SYS TESTED GOOD, STATUS MESSAGE CLEARED.
FORWARD CARGO COMPARTMENT SMOKE DETECTOR FAILURE.
ENGINE IGNITOR RT STATUS MESSAGE. ACCOMPLISHED IGNITION SYS OPS TEST IAW AMM. TASK 74-00-00-740-801-N00 AND REPLACED ENGINE RELAY UNIT IAW AMM TASK 73-21-20 THRU ITEM 3H(5) CONT WITH 3H(6) TO END. TESTED NR 6 ELECTRONIC ENG CONTROL (EEC) IDLE CHECK IAW AMM TASK 71-00-00-730-801-N00. ACCOMPLISH ENG RUN IAW 71-00-00-730-801-N00. NO DEFECT NOTED.
LEFT ENGINE FAILED TO IGNITE USING IGNITOR 1. REPLACED IGNITER PLUG, EXCITER TO IGNITER PLUG CABLE, AND IGN EXCITER NR 1 ENGINE. TESTS OK.
RT BACK UP GENERATOR INOPERATIVE, WITH ASSOCIATED STATUS MESSAGE. REPLACED NR 2 ENGINE BACKUP GENERATOR IAW AMM.
APU OIL PRESSURE INDICATION BLANK.
FLASHLIGHT INOP AT 2L, AFT ATTENANT. REPLACED BATTERY. CHECKS OKAY.
AFT GALLEY OVEN OVERHEATED. REPLACED R53 OVEN PER MM 25-32-02 AND W51, W52 WARMING OVENS. INSPECTED OVERHEAD DUCTS AND ORIFICES. FOUND SECURE AND CLEAN. RAN PACKS AND CHECKED SUPPLEMENTAL HEATING. ALL NORMAL.
CENTER OVEN IN AFT GALLEY IS INOPERATIVE, WILL NOT POWER UP. REPLACED OVEN IAW AMM, OPS CHECKED OKAY.
FOUND LT BYPASS FAN AIR CHECK VALVE AND RUBBER BOOT BLOWN AND BROKEN. REMOVED AND REPLACED BYPASS CHECK VALVE. REPLACED BOOT, LEAK CHECKED GOOD.
AFT GALLEY ISSUE, FLIGHT DIVERTED. OVEN INOPERATIVE, WILL NOT POWER UP. SUSPECT OVERHEATED. REACTIVATED SUPPLEMENTAL HEATING SYSTEM REF MM 21-45-00, OPS CHECKED GOOD
EMERGENCY LIGHTS AT L3 DOOR AFT ARE INOPERATIVE. REPLACED BATTERY PACK. OPS CHECKED OKAY.
SMOKE DETECTOR ACTIVATED LAV 4L. CEILING AND DOME LIGHTS INTERMITTENT. CHECKED ALL WIRING, CONNECTORS AND BALLASTS, OPEN ALL PANELS AND CHECKED. NO SIGNS OR EVIDENCE OF SMOKE, NO BURN FOUND. SMOKE DETECTOR SELF TEST CARRIED OUT PER MM, ALL OKAY. OPENED AND CHECKED ALL PANELS, TOILET SHROUD REMOVED AND INSPECTED ZONE, CHECKED ALL WIRING, CONNECTORS AND BALLASTS. NO SIGNS OR EVIDENCE OF SMOKE, NO BURN MARKS FOUND, NO ODOR. CREW ALSO REPORTED NO SIGNS OF SMOKE AND-OR ODORS WHILE DETECTOR WENT OFF. DEFERRED 4L DETECTOR PER MEL 2613F. AS PRECAUTION REMOVED CONNECTOR DM003. QUICK TEST FAULTS OEU 3-1-9 OUTPUT J2-9. ACP FIM 23-39 TASK 882 FOR MSG 23-03486, LOCK DR SIGN DOES NOT ILLUMINATE. POSSIBLE OEU OR WIRING FAULT. ALL OP CHECKS OK.
APU FUEL ISOLATION VALVE FAULT. REPLACED APU FUEL ISOLATION VALVE ACTUATOR PER MM.
UNDERWING INTEGRATED FUEL PANEL TEST SWITCH DAMAGED. REPLACED IRP PER MM AND TESTED NORMALLY.
INVALID DATA SHOWS FOR WASTE. MSG IS 23-024-03 REPLACED OEU 3-1-1 NO HELP, REINSTALL ORIGINAL OEU. LAVS 1L CENTER ,2L OUTBD, 3L FWD AND 4R OUTBD ALL FLUSH NORMAL. NO LEAKS AT WASTE TANKS. NEEDS ZMU MR23319 NONE AT IADJL. RPL'D ZMU NR 3. INDICATION CHECKS NORMAL.
REPLACE HARNESS CONNECTOR D6537P AT 4L OVERHEAD DUE TO ARCING AT CONNECTOR. REPLACED CONNECTOR D6537P AT 4L OVERHEAD REF SWP20-72-23.
SEAT 06A BELT JAMMED IN SEAT MECHANISM. UNABLE TO FREE SEAT BELT. DF SEAT 6A IAW MEL. SEAT BELTS WERE SEC AND NOT JAMMED IN SEAT MECH, RAN SEAT THROUGH 2 CYCS OF FULL UP AND BED, OPS CHECK NORMAL.
LOWER CENTER DU INOP. MEL 3161F REFERS & COMPLIED WITH. PART MR31612 REQUIRED. REPLACED CL DISPLAY, TESTS OKAY.
APU BLEED AIR STATUS MSG. APU BLEED AIR INOP, APU AIR SWITCH POSITIONED OFF, PLACARDS APPLIED, FWD TO DF MCC INFORMED. -RDF-T :REPLACED APU CONTROLLER PER AMM, NO HELP. INF- :MR49622-37 OFF.MR49622-32 ON. REPLACED SURGE CONTROL VALVE OPS CK'D NORMAL.
CMC 1 MSG APU BATTERY FAILURE CAME BACK ON PUSHBACK. DEFERRED IAW MEL 2431C. REPLACED APU BATTERY AND CHARGER UNIT PER AMM. PERFORMED OPS CHECK CHARGING NORMALLY.
FUEL IS MAKING ITS WAY FROM RT TANK TO CTR TANK. ACCOMPLISHED FUEL SCAVENGE FUNCTIONAL TEST TASK 28-22-00-720-802 UP TO PAGE 526 STEP 5 NEED TO CONTINUE STEP 5 ON FROM PAGE 526. COMPLETED AMM. FOUND NO DEFECTS; NEED TO CONTINUE WITH FIM 28-22 TASK 849.
HF RADIO - TUNING PROBLEM. IN REF TO CH3708, RIGHT COUPLER WAS REPLACED. STILL NEED LEFT COUPLER REPLACED. REPLACED LEFT COUPLER PER AMM, OP CHECK NORMAL.
BOTH HF WILL NOT TRANSMIT. REPLACED RIGHT RTP, OP CHECK'S GOOD.
FOUND ELECTRICAL CONNECTOR ON R1 IGNITION EXCITER LOCKING FUNCTION DEFECTIVE WHILE WORKING DF0616. REPLACED CONNECTOR. COMPLETED AND PASSED MAT TEST REF MM 74-00-00, OPERATIONAL TEST OF IGNITION SYSTEM STILL NEEDS TO BE COMPLETED.
NR 2 ENGINE IGNITION DOES NOT PASS AMM, OPS CHECKED K74202 XFR-R RELAY INOPERATIVE.
APU CONTROL STATUS MESSAGE. AFTER TROUBLESHOOTING REMOVED ALL THREE CHIP DETECTORS AT APU AND FOUND ALL TO BE BADLY CONTAMINATED WITH METAL. APU NOT USEABLE. REPLACED APU PER MM. OPS AND LEAK CHECKED GOOD.
DET ZONE 3 CARGO FWD STATUS MSG. ACCOMPLISHED FIM TASK 26-16 T804, NO MSG DISPLAYED, NO EXISTING OR PRESENT LEG FAULTS. ACCOMPLISHED FWD CARGO SMOKE DETECTOR SYSTEM TEST, TEST PASSED. OK PER FIM TASK 26-16 T 804.
APU GENERATOR WILL NOT STAY ONLINE. APU GENERATOR EXCITER FIELD OUT OF RANGE. REPLACED APU GENERATOR PER AMM, OPS CHECKED GOOD.
APU GEN INOP. REPLACED APU GEN. OPERATED APU WITH LOAD. OPS NORMAL.
STRINGER 49R CORRODED BETWEEN BS 1870 - 1883 IN AFT CARGO COMPARTMENT. ECRA 5320-02072. CUT OUT DAMAGE. FABRICATE AND INSTALLED REPAIR IAW ECRA 5320-02072.
LEFT ENG OIL LEAK FROM 1ST STAGE CORE AT 5 O'CLOCK AS VIEWED FROM AFT POS. OPEN ENG COWL FOR EXTERNAL OIL INSPECTION ON NR 1 ENG. NO EXTERNAL LEAK FOUND. IT SEEMS THERE WAS A SMALL PUDDLE COMING FROM NR 2 BEARING. OIL AVERAGE ON THIS ENGINE IS IN THE MOMENT 0.05 QTS-HR. OK TO CONTINUE REF MT 79-UA2R1. ENGINE OK FOR SERVICE.
STATUS MESSAGE FOR APU BATTERY CHARGER. APU BATTERY REPLACED.
FUEL DRIPPING DOWN LEFT MAIN GEAR DOOR. REPLACED LEFT INBD REFUEL CONTROL VALVE, OPS CHECK OK. NO LEAKS NOTED.
FLUID COMING OUT 1ST FLAP FAIRING OUTBOARD OF RT ENGINE. MAINT TEXT: CHECKED & FOUND LEAK I/B OF RT ENGINE AT RT FLAPERON I/B ACTUATOR ROD END. LEAK RATE IS 2 DPM STATIC & 9 DPM IN OPERATION. NEEDS FLAPERON ACTUATOR 646-9013. NEEDS REPLACEMENT WITHIN 75 HOURS. PTT NOW 67707:14. REPLACED RT INBD FLAPERON PCU.
RT WING FLAPERON "ELEPHANT EAR" SEAL IS DAMAGED. ONE, AFT SEAL DAMAGED, PART NUMBER 120-5372. INSTALLED NEW ELEPHANT EAR SEAL.
EICAS MESSAGE ELMS P310 CHANNEL MESSAGE. RPL :REPLACED M24406A11 PER AMM 24-09-00 MESSAGE CLEARED.
EICAS MESSAGE APU FUEL ISOLATION VALVE MESSAGE. DEFERRED IAW MEL 2825C APU ISO VALVE DEACTIVATED CLOSED AND DISCONNECTED, CB PULLED AND CAPPED ON P310 PANEL. INSTALLED NEW ISO-VALVE, OPS GOOD, MESSAGE GONE.
EICAS MESSAGE ELMS P310 CHANNEL MESSAGE.
RUNNING FUEL LEAK FROM LEFT WING MAIN TANK LOWER SURFACE IMPACT RESISTANT DOOR WHERE STICK NR 3 IS LOCATED. LEAK FAILS 15 MINUTE TEST PER AMM. REPLACED SEAL.
DURING NR 2 ENG HEAT SHIELD CHK FOUND WEAR TO THE HEAT SHIELD COVER STRIPS. WILL COMPLETE A-CHECK AND THEN REPLACE HEAT SHIELDS. INSTALLED REWORKED HEAT SHIELDS. INSPECT THE SUBJECT PAN CASTINGS PER PART 2 EVERY NINETY (90) DAYS. A PERMANENT REPAIR OR REPLACEMENT OF THE SUBJECT HEAT SHIELD PAN CASTINGS PER PART 3 IS TO BE ACCMP'D WITHIN 12 MONTHS OR PRIOR TO 14FEB2013.
NR 2 ENGINE, LT SIDE TRANSLATING SLEEVE HAS 2 INCH LONG CRACK ACCOMPANIED BY DELAMINATION MEASURING 1 INCH WIDE BY 2 INCHES, 8 O'CLOCK POSITION, 2 FOOT AFT. ACCOMPLISHED INTERIM REPAIR PER SRM, PARA F.(1).(B). REMOVED MOISTURE AND SEALED AREA WITH SPEED TAPE. PERMANENT REPAIR AT NEXT A-CHECK. REPAIRED DAMAGE REF SRM 54 -31-01 AND SRM 51-70-05.
ENGINE IGNITOR R1 STATUS. REPLACE IGNITOR AND AND CABLE, TEST PASSED.
ELECTRICAL BACKUP SYSTEM FAULT AFTER ENGINE START. REPLACED CONVERTER PER MM. OPS CHECKED GOOD.
OPBC R OVERHEAD PANEL BUSS CONTROLLER (OPBC) FAULT. STATUS MESSAGE 01- ACTIVE CRUISE HARD; OVERHEAD PANEL BUSS CONTROLLER (R) HAS NO OUTPUT ON ANY BUSS. MESSAGE 02- ACTIVE CRUISE HARD; OVERHEAD PANEL BUSS CONTROLLER (R) HAS NO OUTPUT ON ANY BUSS. MESSAGE-2348802 ACTIVE ER HARD MESSAGE-2348802 ACTIVE ER HARD. OPBC NIS FRA. REPLACED OPBC WITH PART FROM LT. OPS CHECKS NORMAL. STATUS MESSAGE CLEARED.
COND TEMP R STATUS MESSAGE. LOW LIMIT VALVE STAYS CLOSED. REPLACED LOW LIMIT VALVE.
COND TEMP SENSOR R STATUS MSG. REPLACED RT LOW LIMIT VALVE.
COND TEMP SENSOR RT STATUS MESSAGE DISPLAYED -MSG 21-23402- VALVE INOP IN OPEN POSITION WITH CONNECTOR TIED BACK. REPLACED RT CTC. RE-ACTIVATED RT LOW LIMIT VALVE.
LSCF POWER SUPPLY 1, AND LSCF POWER SUPPLY 2 EICAS MSG. REPLACED LSCF A19 IN P85, ALL MSG'S CLEARED.
LEFT GALLEY FAN LEFT EICAS. REPLACED LEFT LAV GALLEY VENT FAN AS REQUIRED. OPS CHECK NORMAL AT THIS TIME.
EAI VALVE L STATUS MSG DISPLAYED. REPLACED LEFT ANTI-ICE VALVE CONTROLLER, ALL OPS AND INDICATIONS NOW NORMAL.
R2 DOOR SLIDE PRESSURE FOUND IN MARGINAL RANGE. REPLACED R2 DOOR SLIDE PER MM.
FOUND DAMAGE TO PANEL 149BL. THERE IS A 2 INCH LONG CRACK GOING FROM EDGE ON PANEL TO THE CORE. THERE IS DELAM AREA 13 IN LONG BY 4.5 IN WIDE INCLUSIVE OF CRACK. DAMAGE IS FROM 20IN TO 33IN FROM FWD EDGE OF PANEL ON RT OTBD EDGE. DAMAGE EXCEEDS LIMITS OF SRM.
RT MLG DOOR INBD EDGE APPROX 94 IN FROM AFT DOOR EDGE. THERE ARE 2 DAMAGED AREAS 10 IN APART. 1 INCH IN DIA. DOOR FACE SKIN IS MISSING AND CORE HONEY COMB IS EXPOSED. DAMAGE IS IN ZONE 2. DAMAGE IS BEYOND ALLOWED LIMITS. TAPER SANDED REPAIR.
RUMBLING NOISE AFTER TAKEOFF WITH C2 DEM FAULT ON EICAS. CREW OBSERVED PNEUMATIC SYS ISOLATION VLVS ISOLATING BLEED LEAK. EVENTUALLY GOT "BLEED LOSS BODY R" FAULT AND SYNOPTIC SHOWED CTR AND RT ISOL. VLVS CLOSED.
SMOKE OR FUMES IN CABIN - SOURCE UNKNOWN. CREW COMMENTS: ROWS 40 THRU 45 ON RIGHT SIDE OF CABIN HAS ELEC SMOKE SMELL. SAMC TEXT: FUMES CLEARED WITH IFE SWITCHED OFF AND CABIN LTS IN NIGHT MODE. CLEANED COFFEE WARMER, FOUND BURNT PLASTIC ON HOT PLATE AFT RIGHT GALLEY FWD COFFEE WARMER. CHECKED CABIN REF FIM 21-00 TASK 808 PAGE 228 PARA J. 39HJK OVERHEAD CEILING LIGHT WAS INOP. REPLACED LAMP, NOW OK. ALL OVERHEAD CEILING LIGHTS OPERATE NORMAL. NO OTHER DISCREPANCIES NOTED.
ELEC GEN OFF R RIGHT GENERATOR CONTROL BREAKER (GCB) OPEN OR GENERATOR CONTROL SWITCH OFF, AND ENGINE NOT SHUT DOWN. ADVISORY MSG01- NOT ACTIVE CRUISE MODE DEPENDENT; INTEGRATED DRIVE GENERATOR (R) FREQUENCY IS LOW. DB- GENERATOR CONTROL UNIT (R) MSG02- LATCHED CRUISE MODE DEPENDENT; INTEGRATED DRIVE GENERATOR (R) WAS MANUALLY DISCONNECTED. DB- GENERATOR CONTROL UNIT (R) MSG-2431632 INACTV ER MODE MSG-2431562 LATCHD ER MODE. SERVICED RT IDG WITH 3 PINTS OF OIL. RECONNECTED AND ACP ENG RUN. IDG OPS NORMAL. MSG CLEARED. NO LEAKS NOTED.
DOOR 3L PBE IS SOFT. REPLACED.
RIGHT IP CHECK VALVE FAILED FLAPPER REDIAL CLEARANCE PER "A" CHECK PAPERWORK. REPLACED IP CHECK VALVE.
PER CREW - VIBRATION NOTICED ON TAKEOFF AND CLIMB, PASSENGERS REPORTED THE NOISE AND FIRST OFFICER FELT THE VIBRATION IN RUDDER PEDALS. NOISE DID ABATE ONCE ACFT SPEED AND ALTITUDE INCREASED. NO EICAS MESSAGES OR SYSTEM FAULTS NOTED AND NO HISTORY OF VIBRATION. AS PER CREW F/A REPORTED FLOOR VIBRATIONS IN AREA BETWEEN B-C AND ECO. VISUAL CHECKED RUDDER AREA. NO ABNORMALITIES NOTED. CHECKED PACK AREA. NO ABNORMALS NOTED. ALL SYS CHECKS NORMAL. PLEASE REPORT NEXT LEG. OK FOR SERVICE.
VIDEO AT 20K REPORTED TO SMOKE BY PASSENGER. VIDEO INOP NOW. DF VIDEO MON AT 20K INOP PER MEL 2520JL. REMOVED AND REPLACED SEAT 20K SMART MONITOR PER MM. OPS CHECK MONITOR IS GOOD AND SMOKE ODOR IS GONE.
STATUS MSGS 'MAIN BATTERY' AND 'MAIN BATTERY OVERHEAT'. REPLACED MAIN BATTERY REF MM 24-31-01 AND MSG'S CLEARED. PART IS AN AA 7 DAY LOAN MR24244 SN 1522. CONTAINER IN LOB.
BATTERY CHARGER FAILED TO CHARGE BATTERY. REPLACED BATTERY CHARGER AS PER AMM.
MID GALLEY RIGHT AISLE FWD WALL AFT EMERGENCY LIGHT INOPERATIVE. RELAMPED, LIGHT OPS CHECKED OKAY.
COACH SEATS ROW 33-42 EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY ASSY M33409 REF MM, LIGHTS OPS CHECKED OKAY.
DURING FINAL APPROACH 4000FT SEATS 44AB OVERHEAD LIGHT ASSEMBLY SMOKING. FOUND BALLAST UNIT WITH HEAVY BURNED ELECTICAL SMELL ABOVE SEATS 44ABC. NO EVIDENCE OF FIRE. CAPPED AND STOWED BALLAST UNIT. LIGHT BULB REMOVED.
L2 DOOR AIR ASSIST BOTTLE EMPTY. REPLACED ASSIST BOTTLE PER MM.
PA MSG, CSCP FAULTED SPEAKER DRIVER MODULE M23045. REPLACED SDM M23045, INSTALLED DATABASE, MESSAGE CLEARED. NEED DATABASE REINSTALLED AFTER SMC9 CONNECTOR REPAIR COMPLETE AT DR4R. CSCP STILL FAULTING OEU ABOVE DOOR 4R. CSCP STILL FAULTING OEU ABOVE DOOR 4R. REINSTALLED DATA BASE, NO FAULTS FOUND.
EMERGENCY LIGHTS ARE ON ONLY AT DOORS 4L AND 4R. FOUND CONNECTOR D3114P SHORTED INTERNALLY, WHICH IS POPPING CIRCUIT BREAKER H18 ON P11 IN FLIGHT DECK. USED WIRING DIAGRAM 33-51-16. CONNECTOR D3114P IS ABOVE DOOR 4R. REPLACED CONNECTOR D3114P WITH THE EXCEPTION OF PIN POSITION 9 (DUE TO UNAVAILABLE CONTACT ) AND BACKSHELL INSTALLATION.
STR 49R FROM STA 2080 TO 2094 HAS DAMAGE. ACP'D MAJOR REPAIR ON STRINGER 49R BY INSTALLING A REPLACEMENT SECTION FROM STA 2080 TO 2094 PER UA-EVA-80774A. THIS RPR IS APPROVED FOR 24 MONTHS, PENDING THE RESULTS OF A DAMAGE TOLERANCE ANALYSIS. A NEW FAA FORM 8100-9 FINDING COMPLIANCE TO CFR 25.571 MUST BE OBTAINED BY MAY 04 2013 FOR THE AIRCRAFT TO REMAIN SERVICEABLE. PARTS: NONE NEEDED.
EMERGENCY LIGHTS INOP AT SEATS 1F (BOTH) & 2E (AFT). RELAMPED 2E, CHECKS GOOD. NO POWER AT 1F DUE TO LOOSE HARNESS CONNECTOR AT SEAT 1C. REMOVED CENTER CONSOLE ASSY AT 2E. FOUND HARNESS RUNS UNDERNEATH 1C. REPLACED BOTH SEAT 1F EMERGENCY LIGHT ASSY'S AND SECURED CONNECTOR UNDER SEAT 1E CONSOLE. TEST OK.
DOOR 2R BINDS WHEN OPENING. ADJUSTED FWD GIRTBAR FLOOR FITTING OUT 2 SERRATIONS. OPS OK. ACCOMPLISHED VISUAL INSP OF DOOR 2R FWD GIRTBAR FLOOR FITTING. OPENS AND CLOSES NORMALLY.
DOOR 2R BINDS WHEN OPENING. ADJUSTED FWD GIRT BAR FLOOR FITTING OUT 2 SERRATIONS, OPS OK.
NR 1 ENGINE SILENT SURGE. ACCOMPLISHED VISUAL CHECKS OF INLET, EXHAUST, 2.5 BLEED OPENING AT 6 O'CLOCK & 2.9 BLEED SCREEN AT 2 O'CLOCK CHECKED FOR SIGNS OF DAMAGE OR DEBRIS. ACCOMPLISHED BOROSCOPE OF HPC STAGES 5, 6, 8, 9,14 & 15. ACCOMPLISHED ALL VISUAL ENGINE CHECKS, NO DAMAGE OR DEBRIS. NO LIMITING DEFECTS NOTED.
39C EMERGENCY PATH LIGHT INOPERATIVE. FOUND WIRE BROKEN OF LIGHT AT 39C. WIRE TAPED AND SECURE. ALL ADJACENT LIGHT OPERATE NORMAL. REPLACED LIGHT ASSY AND SECURED HARNESS, OPS CHECKED OK.
FUEL ISLN VALVE APU FUEL ISOLATION VALVE POSITION IS NOT IN COMMANDED POSITION. REPLACED APU FUEL ISOLATION VALVE ACTUATOR. OPS NORMAL.
APU BLEED AIR ON STATUS.MAT SHOWS APU BLEED AIR CK VALVE LATCHED. FIM 49-52 AND PERFORM TSK 808. RPR OR RPL AS NEEDED. INCLD FNDG'S IN ACP W-U. CHK VLVE PCN: 295-1003. PT SENSOR: 295-0004 INLET PRESS SNSR: 295-0003. REPLACED CHECK VALVE. REPLACED TOTAL PRESS SENSOR. REPLACED INLET PRESS SENSOR. ACP APU AIR START. 94388 MAT SHOWS NOT ACTIVE, OPS CHKS OKAY.
LT FLAPARON OTBD ACTUATOR LEAKING. FOUND OTBD ACTUATOR LEAKING AT 15 DROPS PER MIN. FLAPERON PCU REPLACED. OP CHECKS NORMAL.
REPEAT MAIN BATTERY CHARGER ONLY DISCHARGE. REPLACED MAIN BATTERY AND MAIN BATTERY CHARGER.
SEAT 15D FWD EMERGENCY LIGHT INOP. REPLACED LIGHT ASSY AT 15D, OPS CHECKS GOOD.
LEFT T/E OTBD FLAP DAMAGED. 2 "L"SHAPED HOLES MEASURE 1IN BY 1 IN AND .5 BY .5IN. OVERALL LENGTH EQUALS 2.5 IN BY 1 IN. DAMAGE IS LOCATED UNDER SIDE OF FLAP, 18 IN UP FROM T/E, AND 30 IN. IN FROM INBD EDGE OF FLAP. FOUND DELAMINATION BETWEEN BOTH HOLES AND AROUND THE PERIMETER OF EACH HOLE .25 IN. AFTER FURTHER INSP, DAMAGE HAS NO DELAMINATION AROUND PERIMETER. ACCOMPLISHED INTERIM REPAIR IAW EVA- 80098 WITH A 2 INCH OVERLAP.
LAV MIRROR LTS INOP AT LAV AT DOOR 2L FOUND ONE MIRROR LIGHT SOCKET BURNED. 2 MORE OF THE SOCKETS ARE STARTING TO SHOW SIGNS OF BURNING. DISCONNECTED AND SAFTIED BALLAST CONNECTOR.
SMOKE DETECTOR IN LAVATORY - DOES NOT TURN OFF DR-3L FWD LAV 131. SUPPLEMENTAL DATA UPDATE UNABLE TO SILENCE SMOKE DETECTOR IN LAV 131. LAV BLOCKED. DISCONNECTED CONNECTOR AT SMOKE DETECTOR. REPLACED SMOKE DETECTOR, TEST OKAY.
NLG DOORS WILL NOT CLOSE. REPLACED NLG DOOR SAFETY VALVE, NO HELP. REPLACED NLG DOOR SEAL BYPASS VALVE, NO HELP. REPLACED NLG. OPERATED SEQUENCE VALVE, NO HELP. REPLACED NLG DOOR ACT, NO HELP. REPLACED 2ND NLG SAFETY VALVE, NO HELP. ALSO REPLACED PRESSURE SWITCH. FOUND WIRE AT D2205J PIN 17, W5413-1001-18 CORRODED APPROX 1 INCH FROM CONNECTOR, FOUND PROBLEM USING TEST LIGHT AS LOAD. REPINED NR17 OF D2205J AND REPAIRED WIRE. ACCOMPLISHED INSTALLATION TESTS FOR R & R VALVES. DOOR OP CHECKED NORMAL. NO LEAKS NOTED.
EMERGENCY LIGHTS FOR ALL FIRST CLASS AND BUSINESS CLASS SEATS FWD OF DOOR 2 INOPERATIVE. SECURED LOOSE CONNECTOR UNDER SEAT CTR ROW 9.
ENG EEC MODE L LEFT ENGINE ELECTRONIC ENGINE CONTROL (EEC) IS IN THE ALTERNATE CONTROL MODE DUE TO A CONTROL SYSTEM FAULT. STATUS MSG-7761121 INACTV TO MODE. REPLACED DAMAGED MANIFOLD. ENG RUN PER JRH. EPR & EEC NORMAL. LEAK CHECKS OKAY.
CREW REFUSAL FOR WEATHER RADAR TRANSCEIVER. REPLACED LT WEATHER RADAR TRANSCEIVER PER MM. OPS NORMAL.
SEAT ROW 41 ABC OVERHEAD PSU DAMAGED AND O2 MASKS DEPLOYED. INTERIM REPAIR WAS MADE AND PANEL INSTALLED. REPLACED OVERHEAD READING LIGHT ASSY.
TAXI CREW REPORTS HEAVY- BAD OIL SMELL COMING FROM THE PACKS WHILE OPERATING ON THE APU. APU WORK RECORDS HAVE BEEN REVIEWED BY SHOP INSPECTOR AND THE DISCREPANCY NOTED HERE HAS BEEN CORRECTED. THE SIGN-OFF OF THE ELR WAS INADVERTANTLY MISSED WHEN THE APU WAS MADE SERVICEABLE.
NR 1 ENG WIRES CHAFED ON J1 CONNECTOR ON FMU. AREA MARKED WITH TAPE. REPAIRED WIRES IAW GNMM. SECURED AND REPOSITIONED WIRE BUNDLE.
APU ELECTRICAL GEN FAILED. MAT SHOWS FAULT CODE 242-001-00 WITH A MSG 24-31513 GEN APU EXCITER. REPLACED APU GENERATOR, OPS CHECK OKAY.
FLT CREW WAS UNABLE TO SHUTDOWN LT ENG AFTER ARRIVAL. ACCOMPLISHED FIM TASK 73-22-801, PG 210 ITEM F. FOUND 28VDC, D71124J, PLUG DM76001C VOLTAGE BET 1-14 FLUCTUATES BET 5-22V. CONTINUITY CHECK ACCOMPLISHED BET D71024P & DM76001C PIN 4-14 OK PINS 3-1 OPEN. CLEANED AND INSPECTED D71074 J & P. PIN 3-1 CONTINUITY OK AND 28V CONSTANT AT PIN 1-14. REINSTALLED ALL CONNECTIONS, AND ACCOMPLISHED 2 ENGINE RUNS MM 73-22-801 REPAIR CONF ITEM J.
COND TEMP SENSOR R BOTH RIGHT PACK CONDENSER INLET TEMPERATURE SENSORS FAILED. STATUS MSG01- LATCHED CRUISE MODE DEPENDENT; LOW LIMIT VALVE (R PACK) AC MOTOR IS NOT IN COMMANDED POSITION. DB- CABIN TEMPERATURE CONTROLLER (R CHAN1) MSG02- LATCHED CRUISE MODE DEPENDENT; LOW LIMIT VALVE (R PACK) AC MOTOR IS NOT IN COMMANDED POSITION. MSG-2123402 LATCHED ER MODE MSG-2123402 LATCHED ER MODE. CONDENSER LOW LIMIT VALVE FROZEN. CANNOT LOCK OPEN. PACK INOP. REPLACED LOW LIMIT VALVE PER MM. ADJUSTED AND TESTED PER MM. TEST NOW PASSES. OLD VALVE IS SEIZED.
AFT CARGO COMPARTMENT DOOR HAS DAMAGED ELECTRICAL WIRE HARNESS. WIRES ARE VERY BRITTLE WITH SHIELDING CRACKED AND TORN. WIRES FOUND DAMAGED. REMOVED AND REPLACED AFT CARGO DOOR ELECTRICAL WIRING HARNESS PER BOEING SB. OPS CHECK IS GOOD.
PACK FCV R ONE (BUT NOT BOTH) OF THE 2 RT PACK FLOW CONTROL VALVES (FCV) ARE NOT IN THE COMMANDED POSITION. STATUS MSG-2124102 LATCHED ES MODE. TRIED NEW CONTROLLER NO HELP. REINSTALLED OLD CONTROLLER. NEEDS FURTHER TROUBLESHOOTING. R & R UPPER FCSOV. PASSED AIR ON TEST.
APU LIMIT MSG DURING ENG START. DIS-CONNECTED APU THRU STEP NR 2.G. FOUND 2" HOLE ON SIDE OF COMBUSTION SECTION OF APU. LOWER LT SIDE. REPLACED APU, OPS CK AND LEAK CK GOOD.
F/A REPORTED ELECTRICAL ODOR IN CABIN. DURING FLT AFT CABIN ECONOMY PLUS REPORTED ELECTRICAL ODOR. CREW TURNED ALL 4 CABIN RECIRC FANS AND ODOR CLEARED. FOUND AFT UPPER RECIRC FAN POPS CB WHEN TURNED ON. VENTILATED AIRCRAFT. RAN REMAINING FANS, NO FURTHER ODOR FOUND. NEEDS RECIRCULATION FAN AND FILTERS. DEACTIVATED AFT UPPER FAN. REPLACED AFT UPPER RECIRC FAN ASSY & REPLACED FILTER ASSY. OPS CHECKS NORMAL.
DURING ARRIVAL WALK AROUND FOUND HYDRAULIC LEAK POS LEFT MAIN WHEEL WELL. REPLACED HYD ANTI-SKID CONTROL VALVE OUT PRESSURE HOSE. REFILLED HYD QTY TO FULL. CTR SYSTEM LEAK CHECK PERFORMED, OPS GOOD.
SPOILERS FAILURE OF ONE OR MORE SPOILER PAIRS. ADVISORY MSG01-LATCHED CRUISE MODE DEPENDENT; SPOILER POWER CONTROL UNIT (1) DOES NOT FOLLOW COMMAND. DB- PRIMARY FLIGHT COMPUTER (RIGHT) MSG-2710500 LATCHD ER MODE. REPLACED HARNESS. ALL OPERATIONAL CHECKS AND SYSTEM CHECKS NORMAL. PERFORMED AN INSTALLATION, SECURITY AND OPERATIONAL CHECK AFTER HARNESS INSTALLATION. ALL LATCHED MESSAGES CLEARED. OPS & SYSTEM TEST NORMAL.
AFTER PUSHBACK CREW O2 LOW. REPLACED 1ST OBSERVER'S CREW MASK STOWAGE.
F/A REPORTS A LOUD SOUND COMING FROM FLOORBOARD AREA BETWEEN 13 AND 14AB. FOUND BOTH CLAMPS LOOSE ON AIR DUCT JUST FWD OFF MIX AIR MANIFOLD. REPLACED MIX MANIFOLD DUCT CLAMPS. OPS CHECK C-OUT. NO LEAKS FOUND.
FOUND BLOCKED MSG FOR RT IDG ON ELEC PAGE DURING ETOPS SVC CHECK. ALSO FOUND IDG FILTER DPI POPPED. REPLACED NR 2 IDG. ACP'D ENG RUN AND IDG OPS TEST. NO LEAKS NOTED AND IDG OPS NORMAL. MSG CLEAR AFTER ENG RUN.
DOOR 3 LT EXT EMERGENCY LIGHT IS OUT. RELAMPED EMERGENCY LIGHT, TESTED GOOD.
NR 3 LT MED EPAS BATTERY DOESN'T FLASH. REPLACED BATTERIES.
NR 2 ENGINE IDG LEAKING OIL FROM FEEDER CABLE BLOCK. REPLACED IDG. OPS AND LEAK CHECKS OKAY.
DOOR 4 LT EXT EMERGENCY LIGHT IS OUT. RELAMPED EMERGENCY LIGHT, TESTED GOOD.
FWD GALLEY WALL ACROSS FROM FLT ATT SEAT LT SIDE AT FLOOR LEVEL EMERGENCY LIGHT IS OUT. RELAMPED EMERGENCY LIGHT. TESTED GOOD.
FOUND FUEL LEAKING FROM CTR DRY BAY DRAIN MAST 20 TO 30 DPM. FOUND LT CENTER BOOST PUMP LEAKING AT SUPPLY & COUPLINGS. REMOVED COUPLINGS. REPLACED PACKING ON SUPPLY-INLET LINE ONLY. REPLACED PACKINGS ON PRESS LINE. ACCOMPLISHED PRESS CHECK.
APU STATUS MSG. REPLACED APU SURGE VALVE. APU OPS NORMAL.
F/A FLASHLIGHT IN FWD GALLEY AREA INOP. REPLACED FLASHLIGHT AND BATTERY, OPS OK. REPLACED SEAL.
DURING LEFT AFT BOOST PUMP REMOVAL FOUND REMOVAL VALVE PLATE WITH NO PRELOAD RESULTING IN VALVE PLATE DRIFTING OPEN AFTER PUMP REMOVAL. LEFT MAIN TANK FWD BOOST PUMP REPLACED, ALONG WITH HOUSING. OP CHKS GOOD.
LEFT ENGINE DID NOT SHUT DOWN NORMALLY WHEN ON GATE. EICAS MSG ENG FUEL VALVE LEFT DISPLAYED. *S/D* REPLACED FUEL MANAGEMENT UNIT (FMU), NO HELP. REPLACED FUEL CONTROL RELAYS, RAN ENGINE 4 TIMES, SHUTDOWN NORMALLY.
UNWANTED FUEL TRANSFER INTO LEFT MAIN TANK FROM CENTER TANK. FUEL TRANSFER FROM RIGHT MAIN TANK INTO LEFT MAIN TANK ALSO WITH CROSS FEED OPEN. FOUND LEFT FWD BOOST PUMP DISCHARGE CHECK VALVE FAILED AND FOD'D OUT PUMP AND HOUSING. REPLACED LEFT MAIN TANK FWD BOOST PUMP (P/N 568-1-29115-004). REPLACED FMU (P/N 808800-1). REPLACED FUEL CONTROL SWITCH (P/N D738-01-001), REPLACED RELAYS FUEL CONT LEFT TD L K76107 AND GEN IGN L K76104. RT OUTBOARD FILL VALVE LEAKING. REPLACED PACKING IN RT OUTBOARD REFUEL CONTROL UNIT. LEAK CHECK NORMAL. REPLACED ENG NR 1 & NR 2 FUEL FILTER ELEMENTS. RAN ENGINE FOUR TIMES EACH TIME ENGINE SHUT DOWN NORMAL. VERIFICATION FLIGHT COMPLIED WITH BY FLIGHT CREW (FLT 109-23).
UNWANTED FUEL TRANSFER INTO LEFT MAIN TANK FROM CENTER TANK. FUEL TRANSFER FROM RIGHT MAIN TANK INTO LEFT MAIN TANK ALSO WITH CROSS FEED OPEN.
DOOR 3L EXTERIOR EMERGENCY LIGHT INOPERATIVE. *S/D* SUSPECT FAULTY LAMP. REPLACED LAMP OP CHECKED GOOD. AC OK FOR SERVICE.
NR 1 GENERATOR DRIVE LIGHT NOT ILLUMINATED WITH ENGINE SHUTDOWN. SUSPECT FAULTY LAMP. REPLACED ROLS SWITCH DRIVE LIGHT, OPS NORMALLY PER MM 24-11-15. AC OK FOR SERVICE.
BLEED OFF ENG L LEFT ENGINE BLEED VALVE CLOSED FOR SYSTEM FAULT OR SWITCH OFF, AND THE ENGINE IS NOT SHUTDOWN. ADVISORY MSG-3610500 LATCHD ER MODE MSG-3610500 LATCHD ER MODE. REPLACED DUAL TEMP SENSOR. RAN MAT TEST CHECK GOOD, AND LEAK CHECK GOOD.
THE PFC FAILS THE OPERATIONAL TEST. AFTER TROUBLE SHOOTING FOUND BAD CONNECTION. CLEANED NR 11 SPOILER ACTUATOR CONN. TEST PASSED. AC OK FOR SERVICE.
BLEED OFF ENG L LEFT ENGINE BLEED VALVE CLOSED FOR SYSTEM FAULT OR SWITCH OFF, AND THE ENGINE IS NOT SHUTDOWN. ADVISORY MSG-3610500 LATCHED ER MODE MSG-3610500 LATCHED ER MODE.
CREW COMMENTS: F/O O2 MASK STRAPS WILL NOT TIGHTEN. SUSPECT PRE FLIGHT CHECKS. REPLACED FIRST OFFICERS OXYGEN MASK. AC OK FOR SERVICE.
CREW REPORTED NR 1 ENG FAILED TO SHUT DOWN ON INITIAL MOVEMENT OF FUEL CUT-OFF SWITCH. ENGINE SHUT DOWN AFTER APPROX 2 MINS STATUS ENG FUEL VALVE L, MSG 73-60211. REPLACED FUEL MANAGEMENT UNIT (FMU).
FUEL LEAK DETECTED FROM DRAIN MAST BETWEEN MLG DOORS. REPLACED SEALS ON ALL FIVE GAMMA COUPLINGS ON FWD TRANSFER TUBE IN CENTER TANK DRY BAY. REPLACED FUEL VALVE CONTROLLER, OPS AND LEAK CHECKED OK. REPLACED APU FUEL FEED LINE GAMMA COUPLING O-RINGS.
FUEL LEAK DETECTED FROM DRAIN MAST BETWEEN MLG DOORS.
ENG OIL FILTER L DISPLAYED ON EICAS. ENGINE REPLACED AT SFO DUE TO FERROUS METAL FOUND ON ALL MAGNETIC CHIP DETECTORS (MCD'S). AS OF 03/04/08 ENGINE IS IN UA'S ENGINE SHOP UNDERGOING TEARDOWN INVESTIGATION. EXPECT FINAL FINDINGS BY 03/31/08.
FOUND COACH SEAT ROWS 17 THRU 26 SEAT MOUNTED EEL LIGHTS ARE INOP. FOUND SHORTED CONNECTION. CLEARED SHORT. REPLACED FUSE IN POWER SUPPLY.
DOOR 3R EXTERIOR SLIDE LIGHT INOPERATIVE. DOOR 3R EXTERIOR SLIDE LIGHT INOPERATIVE , REPLACED BULB OK FOR SERVICE
RTFL DUE TO RIGHT ENGINE FAILURE. ENGINE REPLACED. SHOP TEARDOWN REVEALED AN HPT STAGE-1 BLADE FAILED AT THE ROOT. THE REMAINDER OF THE TURBINE SUFFERED HEAVY RESULTANT DAMAGE. STRESS CORROSION CRACKING, A KNOWN FAILURE MODE, IS SUSPECTED, BUT COULD NOT BE CONFIRMED. CONSEQUENTLY, THE BLADE HAS BEEN RETURNED TO MANUFACTURER FOR FURTHER ANALYSIS. A NEW BLADE WITH IMPROVED UNDER PLATFORM COATING IS BEING INCORPORATED AT SHOP VISIT. UA'S FLEET IS 50% MODIFIED. THE FLD BLADE WAS NOT CONTAINED IN ONE OF THE MODIFIED ENGINES.
AFT PROX EEL LIGHT AT SEAT 3F IS INOP. 08-31-07 REPLACED LIGHT ASSY. OP CHECKS GOOD.
THE 1F FWD, 3E AFT, 9F AFT & 17G EEL LIGHTS ARE INOPERATIVE. RELAMPED. BACK TO NORM, OK FOR SVC.
EMERGENCY LIGHTS AT SEAT 2E INOPERATIVE. FOUND HARNESS DISCONNECTED. CONNECTED HARNESS, TESTED GOOD.
LEFT FUEL QTY INTERMITTENT. [SUP 4-20-07] AFTER TROUBLESHOOTING DETERMINED THAT LT MAIN FUEL QTY HARNESS NEEDED REPLACING. FINISHED REMOVAL AND INSTALLATION OF LT MAIN FUEL QTY HARNESS PER MM 28-41-05. DUE TO LT WING FUEL QTY HARNESS REPLACEMENT NEED TO OPS CHECK FQIS TANK UNITS AND DENSITOMETER PER MM 28-4 1-00-710-801 AND OPS CHECK FQPU PER MM 28-41-00-710-802. ACCOMPLISHED ALL CKS ALONG WITH FUEL TANK PANEL LEAK CHECKS. ALL TESTS AND OP CHECKS OK.
EXTERIOR EMERGENCY LIGHTS INOPERATIVE AT DOOR 3L. CLEANED SOCKET, RELAMPED AND CHECKED PER MM 33-51-04. CHECKS NORMALLY.
SEAT 3F EEL LIGHT ASSY IS MISSING. REPLACED AFT EEL LIGHT ASSY ON SEAT 3F.OPS CHECK GOOD.
EXTERIOR EMERGENCY LIGHT INOP AT DOOR 1L AND DOOR 3L. EXTERIOR EMERGENCY LIGHT AT DOOR 3L IS OUT. RELAMPED, OPS CK GOOD.
EMERGENCY LIGHT IN INOP AT SEAT 3F AFT AND 1F FWD. REPLACED LIGHT ASSY IN BOTH SEAT POSITIONS. OPS CK GOOD.
FOUND EMERGENCY PATHWAY LIGHT MISSING AT SEATS 1F AND 2F. SUPPLEMENTAL DATA UPDATE SEATS 1F & 2F EACH MISSING 1 EMERGENCY PATHWAY LIGHT. REPLACED LAMPS.
FLOOR PROX EMERGENCY LIGHT AT SEAT 1E IS INOP. REPLACED FWD FLOOR PROXIMI TY EMERGENCY LIGHT ASSY ON SEAT 1E. OPS CHECK GOOD.
LIGHTNING STRIKE WAS FOUND ON OUTER SKIN AROUND FASTENER OF LT FUSELAGE STA 446, ABOUT 1.5" UNDER S-26L. REMOVED DAMAGED SKIN AND ACCOMPLISHED HIGH FREQ EDDY CURRENT INSP ON DAMAGE AREA. MANUFACTURED AND INSTALLED DOUBLER PER SRM 53-00-01, REPAIR 6.
WIRES STICK OUT OF 2E: EMERGENCY LIGHT ON SIDE OF SEAT 1E IS BROKEN.
EMERGENCY LIGHTS INOP AT SEATS 21C & 3E FWD LEFT.
AFT EEL LIGHT 1E INOP. REPLACED BURNED OUT LAMP.
DOOR 1R SLIDE PRESSURE GAUGE IS 3 NEEDLE WIDTHS BELOW THE GREEN BAND. BOTTLE PRESSURE WAS OBSERVED WITHIN GREEN BAND. SLIDE/RAFT WAS DETERMINED TO BE SERVICEABLE AND WAS RETURNED TO SERVICE.
TRAILING EDGE WEDGE DELAMINATED LWR INBOARD SURFACE. MAJOR REPAIR ACCOMPLISHED. REPAIRED WEDGE.
NR 1 ENGINE N1 VIBRATIONS. 6TH STAGE TURBINE AIRSEAL FAILURE REF: PW4074/77 IPC (PN 51A346) 72-53-00 FIGURE 7, ITEM 70A. A 4-INCH AXIAL BY 6-INCH CIRCUMFERENTIAL PIECE OF THE SEAL HAD BROKEN OUT & WAS MISSING. THE REMAINDER OF THE LPT SUFFERED HEAVY DOWNSTREAM DAMAGE. THE SEAL WAS OF THE POST SERVICE BULLETIN PW4G-112-72-171 CONFIGURATION. THIS IS A NEW FAILURE MODE. THE 2ND SUCH FAILURE UA HAS SEEN. SEALS FROM BOTH FAILURES HAVE BEEN RETURNED TO PW & MTU FOR ROOT CAUSE ANALYSIS.
DOOR 4L WILL NOT OPEN FROM OUTSIDE OR INSIDE DOOR. FOUND GIRT BAR FITTING BROKEN. CAUSE DETERMINED TO BE THE THRESHOLD GIRT FLOOR FITTING OUT OF ADJUSTMENT, RESULTING IN A PRELOAD ON THE GIRT BAR AND THE GIRT BAR FITTING WHEN THE DOOR WAS CYCLED THROUGH ARM/DISARM. THE GIRT BAR FITTING WAS REPLACED. THE SAME FITTING CRACKED 6 DAYS EARLIER, BUT THE THRESHOLD GIRT FLOOR FITTING RIG WAS EVIDENTLY NOT CORRECT (SEE 2004UALA00234).
DOOR 4L AFT GIRT BAR PICK UP FITTING CRACKED. CAUSE LATER WAS DETERMINED TO BE THE THRESHOLD GIRT BAR FITTING OUT OF ADJUSTMENT, RESULTING IN A PRELOAD ON THE GIRT BAR AND THE GIRT BAR FITTING WHEN THE DOOR WAS CYCLED THROUGH ARM/DISARM. THE GIRT BAR FITTING WAS REPLACED, BUT THE THRESHOLD GIRT FLOOR FITTING WAS NOT ADJUSTED, RESULTING IN THE SAME FITTING CRACKING 6 DAYS LATER (SEE MRR 2004UALA00268)
IN DIRECT FLIGHT CONTROL YAW, AIRCRAFT ROLLED LEFT AND REQUIRED 2 UNITS RH YOKE TO LEVEL WINGS. WITH WINGS LEVEL USING RUDDER, LH OB AILERON TE IS UP. INSPECTION OF THE LEFT AILERON FOUND THE INBOARD ATTACH FITTING AT FRONT SPAR CRACKED ON THE INBOARD AND OUTBOARD SIDE. CORRECTIVE ACTION: LEFT INBOARD AILERON WAS REPLACED.
2 CRACKED ACTUATOR FITTINGS. REPLACED BOTH INBOARD AND OUTBOARD FITTINGS
RIGHT ENGINE FIRE WARNING CAME ON IN FLIGHT. BOTH BOTTLES DISCHARGED. OPENED COWLS AND CHECKED FOR INDICATION OF FIRE OR OVERHEAT. NONE FOUND. FIRE WARNING WAS A FALSE ALARM. BOTH FIRE LOOP ELEMENTS AND WIRING CHECKED GOOD. REPLACED NR 2 ENGINE FIRE DETECTION CARD. OEM KIDDE TESTED AND CONFIRMED CARD FAILURE.
ENG OIL TEMP R EICAS AND AMBER TEMP DISPLAY, TEMP DISPLAY WENT RED ON GROUND DURING TAXI. REPLACED THE SERVO FUEL HEATER. SHOP TEARDOWN OF THE REMOVED HEATER REVEALED FAILED TUBES IN THE FUEL/OIL HEAT EXCHANGER.
FLT GOT A SHEARED BACKUP GENERATOR SHAFT MSG AFTER DEPARTURE. SAMC ADVISED THAT FLIGHT MAY NOT CONTINUE ACROSS ATLANTIC. RETURNED TO IAD. NOT DUMPING FUEL. THERE WERE SEVERAL MAINTENANCE MESSAGES PRIOR TO THE RIGHT BACKUP GENERATOR SHEARED SHAFT MAINTENANCE MESSAGE. THE AIRCRAFT RETURNED TO FIELD. THE RIGHT BACKUP GENERATOR WAS REPLACED. THE UNIT RECEIVED IN UAL SHOP AND FOUND THAT THE SHAFT WAS NOT SHEARED. REQUESTED BOEING TO FOLLOW UP ON THIS OCCURRENCE.
FLIGHT DIVERTED TO LHR DUE TO EN ROUTE LOSS OF RIGHT GENERATOR. FLIGHT WAS RELEASED WITH INOPERATIVE BACK-UP GENERATOR. FLIGHT PLANNED TO LAND OVERWEIGHT. LANDED NORMAL WITH 98,200 LBS FOB. THE RIGHT GENERATOR CONTROL UNIT (GCU) AND INTEGRATED DRIVE GENERATOR (IDG) WERE REPLACED. THE FINAL FIX WAS TO REPLACE THE IDG WIRE HARNESS.
CREW HAD AN EICAS MESSAGE BACK UP GEN RT CMC MESSAGE TO SAM INDICATED OIL PRESSURE LOW. FLIGHT RETURNING TO FIELD AND LANDING OVERWEIGHT. THE RIGHT BACKUP GENERATOR (BUG) AND BACKUP GENERATOR CONVERTER WERE REPLACED. THE FINAL FIX WAS TO REPLACE THE BUG WIRE HARNESS PER AIRCRAFT AMIS HISTORY.
REPAIRED FUSELAGE SKIN STATION 2365 LBL 14. MAJOR REPAIR ACCOMPLISHED.
THE BODY STATION 246 FLOORBEAM MID CHORD IS CRACKED IN -T- FLANGE RADIUS LBL 7.88. MAJOR REPAIR ACCOMPLISHED.
MISSING MATERIAL, 1 SQUARE INCH PER 12 SQUARE INCHES. LEFT WING L/E PANELS: 511AB, CB, EB, FB, GB, KB, MB. RIGHT WING L/E PANELS: 611CB, EB, FB, GB, MB. RIGHT STRUT AND ENG COWLS: 441BR. OTHER: 611LB, 511LB, 613AT.
VIBRATION REPORTED IN CLIMB STARTING AT FL200. VIBRATION COMING FROM COCKPIT FLOOR AND ROW 12 FWD IN PAX CABIN. UPON LEVEL OFF FL300, VIBRATION DID NOT GO AWAY, WITH CABIN CREW REPORTING IT WAS GETTING WORSE. DUMPED FUEL AND RETURN TO IAD. INSPECTED AIRFRAME AND FOUND WORN BEARING AT INBOARD END CAP OF RIGHT PACK RAM AIR INLET DOOR TORQUE TUBE. REPLACED END CAP. AIRCRAFT RETURNED TO REVENUE SERVICE WITHOUT FURTHER VIBRATION REPORT.
APPROX 110 KTS LEFT ENG FAILURE WITH SEVERE DAMAGE. EGT 565, FF0, OIL PRESS 1. ENGINE SHUTDOWN, ABORTED T-O, BRAKE TEMP NORMAL, NORMAL STOP, NO OTHER INDICATIONS. RETURN TO BLOCKS. ENGINE WAS REMOVED DUE TO METAL IN TAILPIPE. FAILURE ORIGINATED AT HIGH PRESSURE TURBINE STAGE 1 BLADE FRACTURED JUST ABOVE THE PLATFORM. THERE WAS EVIDENCE OF STRESS CORROSION CRACKING. SB PW4G-112-72-240 AND -245 HAD NOT BEEN INCORPORATED.
EMERGENCY LIGHT ON SEAT 19G INOP. *S/D* BULB IN FLOOR PROXIMITY LIGHT ASSY FAILED. REPLACED FLOOR PROXIMITY LIGHT ASSY.
FLOOR PROXIMITY EMERGENCY PATH MARKING LIGHTS (SEAT- MOUNTED) ARE INOP AT SEATS 1EF AND 3EF. SUPPLEMENTAL DATA UPDATE FOUND PIN 15 OF CONNECTOR DM33094 PUSHED BACK & LOCK BROKEN AT DR 1 R. FOUND 6 INVERTERS BLOWN IN F/C EEL SYSTEM. FOUND ALL THE BULBS BLOWN IN C/C CLASS EEL SEAT ROWS 8 & 9. REPLACED CONNECTOR DM33094, REPLACED INVERTERS, REPLACED C/C EEL BULBS, REPLACED 5 F/C EEL LUMINESCENT STRIP LIGHTS, REPLACED WIRE FROM CONNECTOR DM33094 PIN 14 TO CONNECTOR D99933J PIN 1.
EMERGENCY LIGHT AT 1E HANGING OUT OF SEAT. FOUND LIGHT ASSY MISSING. EMERGENCY FLOOR PROX LIGHT WILL NOT TEST ROW 1 TO 9. SUPPLEMENTAL DATA UPDATE PROBABLE CAUSE OF MISSING LIGHT ASSY: PASSENGER LUGGAGE OR GALLEY CART IMPACTED THE EEL LIGHT ASSY, CAUSING THE EEL LIGHT ASSY TO BECOME SEPARATED FROM THE SEAT ASSEMBLY. CORRECTIVE ACTION FOR MISSING LIGHT ASSEMBLY: REPLACED EEL LIGHT ASSY AT SEAT 1E. CAUSE OF EMERGENCY FLOOR PROX LIGHTS NOT TESTING IN ROWS 1 TO 9: FOUND BATTERY PACK AT DOOR 1 RIGHT AT FAULT.CORRECTIVE ACTION FOR EMERGENCY FLOOR PROX LIGHTS NOT TESTING IN ROWS 1 TO 9:REPLACED BATTERY PACK ASSY AT DOOR 1 RIGHT.
FWD CARGO DOOR WARNING LIGHT CAME ON AT FL310 ON CLIMBOUT. DIVERTED TO LHR. *S/D* MAINTENANCE AT LHR CLEANED SENSOR, CONFIRMED LATCHED AND LOCKED DOOR, AND APPLIED MEL CARD TO REQUIRE VERBAL CONFIRMATION THAT DOOR IS LOCKED AND LATCHED PRIOR TO EACH TAKEOFF. DISPLAY MESSAGE 52-12330 WAS CONFIRMED FOR THIS PROBLEM. BASED ON INFORMATION, OAKEG 777 FLEET UPDATED DEFERRED ITEM DF657 TO ACCOMPLISH TROUBLESHOOTING PROCEDURE AND PROVIDE UPDATED PART INFORMATION. RECOMMENDATION TO REPLACE NOTED SENSOR HAS YET TO BE ACCOMPLISHED (AIRCRAFT PRESENTLY IN PME FOR MAINTENANCE).
EMERGENCY LIGHTS AT DOOR 1L ARE INOP. SECURED CONNECTOR D3101P, EMERGENCY LIGHTS CHECK GOOD.
AFTER DEPARTING IAD EN ROUTE TO LHR, CREW REPORTED LEFT AUTOTHROTTLE WOULD NOT ENGAGE. AIRCRAFT RETURNED TO IAD. *S/D* THE PRIMARY SUSPECTED PROBLEM WAS AN INTERMITTANT FAILURE OF THE AUTOPILOT MODE CONTROL PANEL (P/N:822-0195-102). ALSO CONTRIBUTING TO THE AUTOTHROTTLE SYSTEM PROBLEMS WAS AN INTERMITTANT LOOSE WIRE GOING TO THE LO SPEED TACH SENSING OF THE RIGHTHAND AUTOTHROTTLE SERVOMOTOR. CHANGED THE MODE CONTROL PANEL AND TO CORRECT THE WIRING.
DURING SHOP OVERHAUL DOOR 1LH SLIDE/RAFT ASSEMBLY (P/N: 62771-117, S/N: 0021) FAILED AIR RETENTION TEST. FOUND THE BOTTOM TUBE INFLATE/DEFLATE VALVE (P/N B51007-2) LEAKING. REPLACED VALVE AND UNIT PASSED AIR RETENTION CHECK.
FIRST CLASS FLOOR EMERGENCY LIGHTING ON THE SIDE OF EACH SEAT, BOTH AISLES, IS INOPERATIVE. REPLACED POWER SUPPLY AT DOOR ONE RIGHT AND RELAMPED SEATS. LIGHTING OPERATIONAL CHECK SATISFACTORY.
EN ROUTE MIA-IAD, CREW RECEIVED ADVISORY INDICATING RIGHT HAND PNEUMATIC SUPPLY LOST. AIRCRAFT RETURNED TO MIA. *S/D* THE RT PACK FAN INLET DIFFUSER HOUSING (FIDH), P/N 810207-2, WAS FOUND WITH A TEAR AT THE RUBBER ACCORDION DUCT WHICH INTERFACED WITH THE HEAT EXCHANGER RAM AIR OUTLET. HIGH TEMP AIR ESCAPED FROM THE TEAR HAD CAUSED THE OVERHEAT DETECTION SYSTEM (ZONE 7, IN THE RIGHTHAND PACK BAY) TO AUTOMATICALLY SHUT DOWN THE RT BLEED SYSTEM. THE FIDH WAS REPLACED AT ORD AND THE AIRCRAFT RETURNED TO REVENUE SERVICE.
EN ROUTE MIA-GRU, ADVISORY MESSAGE BLEED LOSS WING RT BLEED AIR SUPPLY. AIRCRAFT RETURNED TO MIA. *S/D* FOUND RIGHTHAND AIR CONDITIONING SYSTEM PACK Y-DUCT (213W2120-9) CRACKED AT WELD AREA. REPLACED Y-DUCT ASSY.
EMERGENCY LIGHTING INOPERATIVE AT ROWS 1, 2, 8, 9 AND 10 BOTH LEFT AND RIGHT AISLES. REPLACED BATTERY SUPPLY AT DOOR ONE RIGHT AND RELAMPED ALL POSITIONS.
AFTER T/O, SMELL OF SMOKE IN COCKPIT, DISSIPATED AFTER FEW MINUTES. ALSO REPORTED NOISE ON LEFT SIDE OF CABIN MID-SHIP FOLLOWED BY PACK MODE L ADVISORY MESSAGE. AIRCRAFT RETURNED TO IAD. *S/D* REPLACED LEFT AIR CYCLE MACHINE. THIS WAS A 810209-3 ACM, AND IT WAS RETURNED TO THE VENDOR FOR INVESTIGATION, ANALYSIS AND UPGRADE. ANALYSIS AND INVESTIGATION ON THE REMOVED ACM BY HAMILTON STANDARD AND BOEING REVEALED THAT THE ROTOR WAS RUBBING AGAINST THE ACM HOUSING (RIGHT BEFORE ACM SEIZING), THIS EXPLAINED THE HAZE AND SMELL OF METAL TO METAL FRICTION EXPERIENCED BY FLIGHT CREW.
CREW REPORTS ELECTRICAL BURNING SMELL IN AFT GALLEY ON DESCENT. *S/D* THE SMELL RESULTED FROM OVERHEATING OF POWER SUPPLY COMPONENTS IN THE CABIN AREA CONTROL PANEL. UNDER CONDITIONS WHERE BOTH BACK LIGHTS FAIL, THE POWER SUPPLY MAY OVERHEAT. BOEING SERVICE BULLETIN 777-23-0033 ADDRESSES THIS ISSUE BY HAVING THE UNITS REMOVED AND THE POWER SUPPLY UPGRADED. UNITED IS CURRENTLY CAMPAIGNING THE FLEET TO REMOVE ALL 285W0012-2 UNITS AND REPLACE THEM WITH 285W0012-3 UNITS.
STATUS MESSAGE, MAIN BATTERY OVERHEAT. AIRCRAFT DIVERTED TO EWR. *S/D* MAIN BATTERY (P/N 263BS101-1) OVERHEATED. BATTERY WAS REPLACED.
ON WALK-AROUND, FOUND LOWER FORWARD VHF ANTENNA CRACKED COMPLETELY THROUGH. *S/D* MODELS OF ANTENNA, P/N DMC 180-1-1 HAVE DEMONSTRATED SUSCEPTIBILITY TO SPLITTING AND CRACKING. PRODUCTION HAS BEEN DISCONTINUED AND REPLACEMENT ANTENNA WILL BE OF PART NUMBER DMC 50-17. REPLACEMENT WILL BE BY ATTRITION IN CONJUNCTION WITH AN ASSOCIATED ANTENNA RELOCATION PROJECT.
CAPTAIN AND FIRST OFFICER NAVIGATION DISPLAYS BLANKED SIMULTANEOUSLY FOR APPROXIMATELY FOUR MINUTES JUST AFTER RECEIVING TCAS ADVISORY. OTHER AIRCRAFT 1000 FEET ABOVE. DISPLAYS RECOVERED AFTER OTHER AIRCRAFT CLIMBED TO HIGHER ALTITUDE. *S/D* INVESTIGATION OF AIMS CORE PROCESSING MODULE/GRAPHICS GENERATOR (3163-HNP-008-04) DISPLAYS FUNCTION BITE DUMP SHOWED A SOFTWARE DIVIDE BY ZERO, CAUSED BY THE 'DISPLAYS' PARTITION'S INABILITY TO CALCULATE AN ARC AT THE CLOSE MAP RANGE SET ON THE CAPTAIN'S EFIS CONTROL PANEL. SOFTWARE CORRECTION IS INCLUDED IN THE BLOCKPOINT '97 AIMS VERSION. RETROFIT SERVICE BULLETIN RELEASE IS PENDING.
DURING C-CHECK. EXTENSIVE CRACKING WAS DISCOVERED ON THE 114W4160-8 SLAT ASSEMBLY. CRACKS EXISTED IN THE 114W4562-4 COVE SKIN ASSEMBLY AND THE 114W6640 NOSE BEAM ASSEMBLY. PRELIMINARY FINDINGS INDICATE THAT CRACKING APPEARS TO BE THE RESULT OF HIGH CYCLE SONIC FATIGUE. NEW NR 9 SLAT INSTALLED AND AIRCRAFT RETURNED TO SERVICE.
CABIN CONTROL PANEL 4R SMOKING. USED TWO HALON BOTTLES TO EXTINGUISH SMOKE. *S/D* MULTIPLE COMPONENT FAILURES WITHIN THE CACP TXFMR T961, BACKLIGHT NR 2 BOTH FILAMENTS OPEN, POWER SUPPLY HEATER RESISTORS R995, R996, R997 AND R998 AND ASSOCIATED CIRCUIT TRACES BURNED. PREVIOUS HISTORY ON CACP UNITS INDICATED OVERHEAT COULD RESULT ONLY IF BOTH BACKLIGHTS FAILED OPENED. THIS UNIT FAILED WITH ONLY ONE LIGHT OUT. MAINTENANCE TIP PUBLISHED TO PULL AND COLLAR THE CACP CIRCUIT BREAKER WHEN A BACKLIGHT FAILS AND REPLACEMENT NOT AVAILABLE. BOEING STILL INVESTIGATING.
LEFT AIR CONDITIONING PACK INLET DUCT HAS HOLE 2.5 INCHES LONG BY 1 INCH WIDE. HOLE IS AT THE END OF A FOUR INCH LONG CRACK EXTENDING FROM WELDED BOSS. *S/D* FAILURE ATTRIBUTED TO FATIGUE CRACK ASSOCIATED WITH PITTING CAUSED BY ELECTRIC WELDING ARC STRIKE DURING MANUFACTURE. PROCESS CHANGES HAVE BEEN IMPLEMENTED TO AVOID FUTURE PROBLEMS. FLEETWIDE INSPECTION PROJECT INITIATED TO ADDRESS SUSPECT PARTS.
FUEL LEAKING FROM THE RIGHT AFT MAIN BOOST PUMP ON REAR SPAR. *S/D* LEAK RESULTED FROM DAMAGED O-RING. REMOVED PUMP PER MM 28-22-05, REPLACED O-RING AND REINSTALLED PUMP, CHECKED OK AFTER INSTALLATION.
FLIGHT ATTENDANT AT DOOR 2 LEFT REPORTS FUEL SMELL AFTER LIFT OFF AND ON FINAL DESCENT, NORMAL OTHER TIMES.
STATUS MESSAGE FLIGHT CONTROL SYS DISPLAYED, MAINTENANCE MESSAGE DISPLAYED WAS 24 502 01. REPLACED LEFT BACKUP GENERATOR. *S/D* BACKUP GENERATOR WAS DEFECTIVE AND BACKUP GENERATOR WAS REPLACED.