Pratt & Whitney PW4077

Service difficulty reports · 3,169

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duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE engine_model_key = 'PW4077'
  ORDER BY difficulty_date DESC"

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SDR 2001UALA02091Bearing · wornVIBRATION 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 AIRFRAAug 26, 2001 · N773UA · Boeing 777222 · Air Distribution SystemSDR 2001UALA01714Harness · faultyFLIGHT RETURNED TO FIELD AND LANDED AMBER ALERT DUE TO A HIGH ENGINE TEMPERATURE INDICATION. CREW REPORTS NR 2 EGT BLANKED ON TAKEOFF. RECOVERED AFTER TAKEOFF BUT WAS FLUCTUATING. MAINTENANCE REPLACED ELECTRICAL HARNESS WO635, AFTER WHICH THE FAULT DID NOT Aug 13, 2001 · N771UA · Boeing 777222 · Engine EGT/TIT Indicating SystemSDR 2001UALA01538Blade · fracturedAPPROX 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 PRJul 30, 2001 · N773UA · Boeing 777222 · Turbine SectionSDR 2001UALA01461Fmu · defectiveL ENG EPR FLUX APPROX. .02 AT CRUISE. ALL OTHER ENG PARAMETERS FOLLOW FLUCTUATION. AUTOTHROTTLE DISCONNECT NO HELP. SUPPLEMENTAL DATA UPDATE REPLACED FUEL METERING UNIT P/N 808800-1 S/N F32614 AT PART TOTAL TIME 20638. EPR FLUX HAS NOT REOCCURRED TO DATE Jul 21, 2001 · N771UA · Boeing 777222 · Fuel Control/Turbine EnginesSDR 2001UALA01350Control Unit · malfunctioned45 MINUTES OUT FROM JFK (JFK-LHR) EICAS MESSAGES FOR FLIGHT CONTROL SYSTEM AND FUEL FILTER. RETURN TO JFK. FUEL DUMPED. A FLIGHT CONTROL SYS EICAS STATUS MSG WAS CAUSED BY THE RT OUTBD FLAPERON MSG 2710303 PCU DOES NOT FOLLOW COMMAND. MAINT PERFORMED FIM TASKJul 10, 2001 · N769UA · Boeing 777222 · Aileron Control SystemSDR 2001UALA01681Slat · dentedHAIL DAMAGE DENTED. SUPPLEMENTAL DATA UPDATE MAJOR REPAIR ACCOMPLISHED.Jun 20, 2001 · N772UA · Boeing 777222 · Leading Edge DevicesSDR 2001UALA00773Fitting · defectiveNR 8 SPOILER WILL NOT TAKE LUBRICATION AT CNT OUTBOARD HINGE. MAJOR REPAIR. FITTING REWORKED PER EVA G95-7722. SPOILER REMOVED AND REINSTALLED.May 20, 2001 · N772UA · Boeing 777222 · SpoilersSDR 2001UALA00645Harness · faultyEEL LIGHTS (2) AT 3E INOP. *S/D* MOVEABLE SIDEREST/ARMREST DAMAGED THE FIRST CLASS PROXIMITY LUMINESCENT LIGHT STRIPS WIRE HARNESSES. REPLACED THE FIRST CLASS PROXIMITY LUMINESCENT LIGHT STRIPS WIRE HARNESSES, 2 EA.May 2, 2001 · N779UA · Boeing 777222 · Emergency LightingSDR 2001UALA00646Idg · contaminatedRIGHT GENERATOR DRIVE LIGHT AND RIGHT GENERATOR CONTROL OFF LIGHTS AND EICAS DISCONNECTED RIGHT DRIVE AS PER CHECKLIST. (FUEL JETTISONED APPROX 15,000 LBS) *S/D* ELEC GEN OFF R AND ELEC GEN SYS R STATUS MESSAGES WERE DISPLAYED WITH ASSOCIATED MAINTENANCE MEMay 2, 2001 · N214UA · Boeing 777222 · AC Generator-AlternatorSDR 2001UALA00566Light · inoperativeEMERGENCY LIGHT ON SEAT 19G INOP. *S/D* BULB IN FLOOR PROXIMITY LIGHT ASSY FAILED. REPLACED FLOOR PROXIMITY LIGHT ASSY.Apr 20, 2001 · N773UA · Boeing 777222 · Emergency LightingSDR 2001UALA00511Floorbeam · crackedDISCREPANCIES: STA. 246 BUCKLED STIFFENER AT LBL - 7, RBL - 26.06, 50.0STA. 246 CRACKED STIFFENER AT LBL - 38.5STA. 246 CRACKED MID-CHORD AT LBL - 7 REPAIRED MID-CHORD PER SRM 53-10-51, REPAIR 2.REPLACED CRACKED AND BUCKLED STIFFENERS PER SRM 53-10-51, REPAIRApr 12, 2001 · N781UA · Boeing 777222 · Fuselage Main, Floor BeamSDR 2001UALA00491Inverter · failedFLOOR 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 Apr 5, 2001 · N773UA · Boeing 777222 · Emergency LightingSDR 2001UALA00399Floorbeam · crackedSTA 246: FLOORBEAM UPPER WEB IS CRACKED AT RBL 8.5& 38.5. FLOORBEAM MID CHORD UPPER RADIUS IS CRACKED RBL 9,25,50 & LBL 8. FLOORBEAM MID CHORD IS CRKED RBL 38.5. FLOORBEAM MID CHORD UPPRER RADIUS IS CRKED RBL 44. CRKED STIFFNER AT FLOORBEAM RBL & LBL AT 26.Apr 3, 2001 · N770UA · Boeing 777222 · Fuselage Main, Floor BeamSDR 2001UALA00374Light · failedABOVE 3A BURNING SMELL POSSIBLE ELECTRIC SMELL, VERYFAINT PER CREW. SUPPLEMENTAL DATA UPDATE PROBABLE CAUSE: FAILED LIGHT ASSEMBLY AND BULBDISCREPANCIES: FOUND CEILING LIGHT INOP AT SEAT 9A, FUSE INOP.CORRECTIVE ACTION: REPLACED CEILING LIGHT ASSY AND BULB.Mar 29, 2001 · N766UA · Boeing 777222 · Passenger Compartment LightingSDR 2001UALA00264Light · missingEMERGENCY 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 THMar 19, 2001 · N773UA · Boeing 777222 · Emergency LightingSDR 2001UALA00192Stiffener · crackedSTA 246 BUCKLED VERTICAL STIFFENERS AT LBL - 7.88, 26.05, 48 RBL - 7.88, 13.55, 20, 29.5, 47,53. *S/D* REPLACED STIFFENERS PER SRM 53-10-51, REPAIR 3.Mar 2, 2001 · N767UA · Boeing 777222 · Fuselage Miscellaneous StructureSDR 2001UALA00152Slide · cutDOOR 4 L/R SLIDE-RAFT (P/N 62774-413) HAS TWO CUTS IN THE INFLATABLE FOUND BY SHOP MECHANIC DURING UNPACKING FOR SHOP OVERHAUL VISIT. UNIT WAS LAST OVERHAULED BY THE VENDOR. UNIT WAS SENT TO VENDOR FOR WARRANTY REPAIR.Feb 26, 2001 · N778UA · Boeing 777222 · Escape SlideSDR 2001UALA00253Floorbeam · crackedSTA. 246 DISCREPANCIES: BUCKLED VERTICAL STIFFENERS AT RBL 7.88, 50.0 CRACKED VERTICAL STIFFENERS AT RBL 26.06, 38.0 CRACKED MID CHORD AT RBL 38.0 CRACKED FLOORBEAM WEB AT RBL 38.0 SUPPLEMENTAL DATA UPDATE REPLACED STIFFENERS PER SRM 53-10-51, REPAIR 3. REPAIFeb 26, 2001 · N766UA · Boeing 777222 · Fuselage Main, Floor BeamSDR 2001UALA00110Unknown · odorPUNGENT ELECTRICAL ODOR ROWS 12 - 20 REPORTED BY FLIGHT ATTENDANTS AT GEAR EXTENSION. DISSIPATED TO MUCH LESS BY TAXI-IN. THERE WAS NO INDICATION OF ANY ELECTRICAL RELATED PROBLEM(S) IN THE CABIN. ACCOMPLISHED HIGH POWER ENGINE RUN ON BOTH ENGINES, OPERATEDFeb 13, 2001 · N766UA · Boeing 777222 · Air Distribution SystemSDR 2001UALA00077Sensor · malfunctionedFWD 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 TAKEOFFFeb 5, 2001 · N773UA · Boeing 777222 · Door Warning SystemSDR 2001UALA00076Structure · vibratesCREW REPORTS LOUD NOISE AND VIBRATION ON RIGHT SIDE OF AIRCRAFT BY ROW 15. *S/D* DUCTS IN AFT OF FORWARD CARGO COMPARTMENT (MIX MANIFOLD AREA) WERE CHECKED, BUT NO DISCREPANCIES WERE FOUND. AIR ON TEST WAS PERFORMED ON RIGHT HAND PACK, AND THERE WAS NO EICAFeb 2, 2001 · N772UA · Boeing 777222 · Fuselage Main, StructureSDR 2001UALA00052Stiffener · crackedCRACKED STA 246 FLOORBEAM VERTICAL STIFFENERS AT THE FOLLOWING LOCATIONS: LBL - 7.88, 26.06 RBL - 7.88, 26.06. *S/D* REPLACED STIFFENERS PER SRM 53-10-51, REPAIR 3.Jan 22, 2001 · N210UA · Boeing 777222 · Fuselage Miscellaneous StructureSDR 2001UALA00043Pin · failedDURING CLIMBOUT BUT MORE NOTICEABLE ON DESCENT A SMELL LIKE METAL ON METAL WAS SMELLED THROUGHOUT THE AIRPLANE. *S/D* APU REPLACED 21 JAN DUE TO METAL FOUND ON CHIP DETECTORS. APU ALSO TOOK 2 QTS OIL. METAL CONFINED TO GEARBOX. APU DISASSEMBLED TO REPLACJan 19, 2001 · N768UA · Boeing 777222 · Airborne Auxiliary Power Unit (APU) SystemSDR 2001UALA00036Seal · damagedCREW REPORTED ODOR AND THIN SMOKE LAYER IN CABIN. AFTER TAKE-OFF NOTED FLUX PACK FLOW AND TEMPS, ALSO HAD ASSOCIATED ECON COOL VLV L AND TRIM AIR PRESS SOV RT, SELECTING TRIM AIR OFF CLEARED MSGS CAME BACK WITH TRIM AIR ON. *S/D* APU WAS REMOVED ON 1/21/01 Jan 18, 2001 · N768UA · Boeing 777222 · APU Core EngineSDR 2001UALA00023Power Supply · inoperativeFLOOR PROX EMERGENCY LIGHTS INOP ON ALL SEATS BETWEEN DOORS 3L AND 4L, DOORS 3R AND 4R. REPLACED POWER SUPPLY AT 3R. OPS CK GOOD.Jan 12, 2001 · N778UA · Boeing 777222 · Emergency LightingSDR 2001UALA00021Condenser · cloggedPOOR AIR QUALITY IN THE AIRCRAFT. *S/D* PROBLEM COULD NOT BE DUPLICATED ON GROUND. HOWEVER, WHEN CHECKING LT CONDENSER/REHEATER, IT WAS FOUND CLOGGED. A CLOGGED CONDENSER/REHEATER CAN CAUSE PACK LOW FLOW PROBLEM WHICH MAY CONTRIBUTE TO POOR AIR QUALITY. TJan 10, 2001 · N772UA · Boeing 777222 · Humidity Control SystemSDR 2001UALA00016Light · inoperativeDOOR 4 RIGHT EXTERIOR EEL LIGHT IS INOP. RELAMPED AND LIGHT CHECKED GOOD.Jan 9, 2001 · N780UA · Boeing 777222 · Emergency LightingSDR 2000UALA00800Control Unit · failedA RIGHT BUS AND GENERATOR FAILURE WITH LOAD SHEDDING IN PROGRESS. THE APU WAS STARTED BUT WAS UNABLE TO POWER THE RIGHT BUS. *S/D* THE ACFT RT MAIN BUS WAS NOT POWERED BY RT IDG OR APU GENERATOR. THE GCU WAS SWAPPED WITH THE LT GCU. THE PROBLEM FOLLOWED. Dec 21, 2000 · N777UA · Boeing 777222 · Alternator-Generator DriveSDR 2000UALA00788Engine · malfunctionedAT 390 BOTH ENGINES HUNG AT .7 EPR AFTER MOUNTAIN WAVE EVEN THOUGH THROTTLES WERE MANUALLY ADVANCED, DID NOT SPOOL UP FOR SEVERAL SECONDS LOST 10 KTS AIRSPEED. *S/D* THERE WERE NO FAULT MESSAGES, AND BOTH ENGINES PASSED A HIGH POWER RUNUP AND ACCELERATION TEDec 10, 2000 · N770UA · Boeing 777222 · Engine (Turbine/Turboprop)SDR 2000UALA00783Stiffener · crackedTHE FOLLOWING CRACKED STIFFENERS WERE FOUND AT THE STA 246 FLOORBEAM: LBL - 7.88, 26.06, 38.5, RBL- 7.88, 13.55, 26.06, 27.34, 38.00, 44.95 & 50.0. *S/D* REPLACED STIFFENERS PER SRM 51-10-51, REPAIR 3.Dec 7, 2000 · N774UA · Boeing 777222 · Fuselage Main, Floor BeamSDR 2001UALA00730Eec · inadequateRT ENG ON TAKEOFF LOST .03-.09% AT ABOUT 70 KNOTS. NOTICED RT THROTTLE MOVE TO FULL FORWARD. POWER CAME BACK ABOUT TIME PACKS RESTORED. S/D* ACPL HIGH PWR ACCEL-DECEL & AUTO THROTTLE TESTS, NO DISCREPANCIES FOUND. RT ELECTRONIC ENG CONTROL SET MAX EPR LIMIDec 6, 2000 · N781UA · Boeing 777222 · Fuel Control/Turbine EnginesSDR 2000UALA00772Light · inoperativeEXTERNAL EEL LIGHT BY DOOR 2 RIGHT IS INOPERATIVE. RELAMPED AND LIGHT CHECKS GOOD.Dec 2, 2000 · N780UA · Boeing 777222 · Emergency LightingSDR 2000UALA00707Light · missingSEAT 17C MISSING EXIT PATH LIGHTING. ACP OPS CK OF PATH LIGHT SYSTEM, TERMINATE WIRES AT 17C PATH LIGHT. *S/D* THE EXACT CAUSE OF THE MISSING FLOOR PROXIMITY LIGHT ASSEMBLY IS UNKNOWN. IT IS POSSIBLE THAT THE LIGHT ASSEMBLY WAS INADVERTANTLY REMOVED BY A PNov 18, 2000 · N780UA · Boeing 777222 · Emergency LightingSDR 2000UALA00705Connector · looseEMERGENCY EXIT LIGHT ON SEAT 27G IS INOP. *S/D* FOUND CONNECTOR LOOSE. SECURED CONNECTOR, OP CHECKS GOOD.Nov 17, 2000 · N775UA · Boeing 777222 · Emergency LightingSDR 2000UALA00691Screw · shearedAFTER REMOVAL OF MLG, DISCOVERED RETAINING SCREWS FOR UPR FWD TRUNNION HOUSING WEAR PLATE SHEARED OFF. *S/D* SCREWS SHEARED DUE TO MLG FORWARD TRUNNION UPPER HOUSING WEAR PLATE MOVEMENT. REPLACED FAILED WEAR PLATE RETENTION SCREWS AND ACCOMPLISHED SERVICE BNov 13, 2000 · N770UA · Boeing 777222 · Wing, Landing Gear Attach FittingsSDR 2000UALA00717Floorbeam · crackedSTA 246 FORWARD STIFFENERS DAMAGED:TWO CRACKED IN THE RADIUS AT RBL 27.34 & LBL 7.88. TWO BUCKLED IN THE FREE FLANGE AT RBL 7.88 AND LBL 26.06. SUPPLEMENTAL DATA UPDATE, REPLACED STIFFENERS PER SRM 53-10-51.Nov 6, 2000 · N769UA · Boeing 777222 · Fuselage Main, Floor BeamSDR 2000UALA00645Oven · dirtyF/A SMELLS RUBBER LIKE BURNING ODOR IN AFT GALLEY. GALLEY POWER OFF AND LIGHTS OFF IN THE AFT GALLEY AND SMELL WENT AWAY-CREW REPORTS. LOG STATES: FAINT SMELL OF SMOKE IN AFT GALLEY. *S/D* FOUND PLASTIC WRAP IN AFT GALLEY (R31) OVEN. REMOVED MELTED PLASTIOct 30, 2000 · N779UA · Boeing 777222 · Buffet/GalleysSDR 2000UALA00604Battery · dischargedBATTERY CHARGER INDICATES RATE OF 50 AMPS, 29 VOLTS. BATTERY AND CHARGER REPLACED PRIOR TO FLT, CREW REPORTS. RTF. *S/D* THE MAIN BATTERY AND BATTERY CHARGER WERE REPLACED. THE FINDING REPORT ON THE BATTERY IS NO FAULT FOUND. THE CHARGER WAS TESTED AND NOct 22, 2000 · N776UA · Boeing 777222 · Battery/Charger SystemSDR 2000UALA00603Coffeemaker · contaminatedF/A REPORTED A BURNING ODOR (PLASTIC LIKE) IN THE VICINITY OFDR4R AND DR2L. ODOR DISSIPATED PER CREW. PIECE OF PLASTIC STUCK ON HOTPLATE IN MID (DOOR 2) GALLEY. REMOVED SAID PLASTIC AND OP CHECKED HOT PLATE.Oct 21, 2000 · N776UA · Boeing 777222 · Buffet/GalleysSDR 2000UALA00716Floorbeam · crackedSTA 246 FLOORBEAM: THREE STIFFENERS BUCKLED IN THE FREE FLANGE AT RBL 7.88 & 26.06 AND LBL 7.88. MID-CHORD CRACKED AT RBL 43 ON THE AFT SIDE. SUPPLEMENTAL DATA UPDATE, REPLACED DISTORTED STIFFENERS PER SRM 53-10-51. REPAIRED CRACKED CHORD ANGLE PER SRM 53-10Oct 20, 2000 · N776UA · Boeing 777222 · Fuselage Main, Floor BeamSDR 2000UALA00602Check Valve · stuckNR 1 ENGINE IFSD AT FL300. ENGINE STALL REPORTED WITH SURGING. FLAMES OBSERVED BY FA''S FROM FRONT AND REAR OF ENGINE. DIVERTED BOS. *S/D* ENGINE WAS REMOVED. FOUND AND REPLACED FAILED INTERMEDIATE PRESSURE CHECK VALVE IN PNEUMATIC SYSTEM LOCATED AT 11 OOct 19, 2000 · N778UA · Boeing 777222 · Engine (Turbine/Turboprop)SDR 2000UALA00598Switch · failedEMERGENCY EXIT LIGHTS CAME ON EN ROUTE FOR ABOUT 2 MIN ON THEIR OWN. OPERATED FLIGHT DECK EMERGENCY LIGHT SWITCH, LIGHTS CAME ON AND TURNED OFF NORMALLY. UNABLE TO DUPLICATE FAULT.Oct 18, 2000 · N777UA · Boeing 777222 · Emergency LightingSDR 2000UALA00599Light · inoperativeEMERGENCY LIGHTS AT DOOR 1L ARE INOP. SECURED CONNECTOR D3101P, EMERGENCY LIGHTS CHECK GOOD.Oct 13, 2000 · N773UA · Boeing 777222 · Emergency LightingSDR 2000UALA00586Tube · leakingMR25716-505, (P/N 62773-317), EVACUATION SLIDE/RAFT DOOR 3 LT FAILED AIR RETENTION TEST DURING ROUTINE SHOP OVERHAUL. UNIT HAS A SEAM LEAK IN THE LOWER TUBE OF THE INFLATABLE. PROBABLE CAUSE OF THE SEAM LEAK WAS A MANUFACTURING DEFECT. LOWER TUBE HAD A WRINOct 6, 2000 · N766UA · Boeing 777222 · Escape SlideSDR 2000UALA00565Acm · seizedRTF DUE TO DUAL A/C PACK FAILURE. *S/D* THE LT PACK ACM WAS FOUND SEIZED AND WAS REPLACED. THE RT PACK LOW LIMIT VALVE (P/N 810214-1, S/N UA00177654) WAS REPLACED DUE TO RT CONDENSER INLET TEMP SENSORS MESSAGE. AFTER PARTS REPLACEMENT, A/C RETURNED TO REVESep 26, 2000 · N768UA · Boeing 777222 · Air Conditioning SystemSDR 2000UALA00540Acm · seizedJUST PRIOR TO LEVEL-OFF FL370 GOT BURNING ODOR IN THE FLIGHT DECK. CABIN TEMP ROSE TO 80+ DEGREES. *S/D* LT ACM FAILED AND WAS REPLACED. AIRCRAFT WENT BACK TO REVENUE SERVICE WITHOUT FURTHER INCIDENT. THE BURNING ODOR WAS THE SMELL PRODUCED BY THE ACM ASSep 8, 2000 · N778UA · Boeing 777222 · Cabin Cooling SystemSDR 2000UALA00532Engine · malfunctionedPER CREW, RT ENG NOT PRODUCING COMMANDED THRUST. EPR N1 CAUTION. MOMENTARY RPM LOSS. *S/D* DURING DESCENT THRU 19,000 FT, THROTTLES WERE ADVANCED, RT ENG ACCELERATED SLOWER THAN THE LEFT TAKING SLIGHTLY MORE THAN 15 SEC TO RESPOND, EICAS ANNUNCIATED ENG THSep 6, 2000 · N777UA · Boeing 777222 · Engine (Turbine/Turboprop)SDR 2000UALA00491Battery · odorELECTRICAL ODOR OF SHORT DURATION SMELLED. MAIN BAT STATUS MSG AND BAT CHARGER MAIN SHOW ON SCREEN. *S/D* MAINTENENCE STATUS MESSAGE 24-13054 FOR MAIN BATTERY WAS DISPLAYED. REPLACED MAIN BATTERY AND ACCOMPLISHED OPERATION CHECK PER MM 24-30-00. VENDOR (AAug 18, 2000 · N775UA · Boeing 777222 · Battery/Charger SystemSDR 2000UALA00473Fire Loop · chafedDURING TAXI OUT, CREW REPORTED LEFT ENGINE FIRE LOOP 2 EICAS MESSAGE DISPLAYED. RETURNED TO BLOCKS. PREVIOUS HISTORY. *S/D* WIRE HARNESS ASSEMBLY 286W0656-002 WAS FOUND TO HAVE CHAFED INSULATION IN NUMEROUS SPOTS. ONE AREA ADJACENT TO WHERE THE SHIELDEDAug 9, 2000 · N778UA · Boeing 777222 · Fire DetectionSDR 2000UALA00461Acm · seizedEN ROUTE DEN-IAD, CREW RECEIVED EICAS MESSAGE PACK MODE L AND REPORT OF SMOKE IN CABIN. NR 1 AIR CONDITIONING PACK AUTO SHUTDOWN AND SMOKE DISSIPATED. AIRCRAFT RETURNED TO DEN. *S/D* PACK MODE L MESSAGE WAS DUE TO LT AIR CYCLE MACHINE SEIZING. AS THE ACM Aug 6, 2000 · N780UA · Boeing 777222 · Cabin Cooling System
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