Pratt & Whitney JT9D-7J

Service difficulty reports · 257

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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 = 'JT9D7J'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR EIA2000023Engine · overtempANC - NR 1 ENGINE EGT CAT D EXCEEDANCE ON TAKEOFF MAX POWER. PERFORMED NR 1 ENGINE BORESCOPE INSPECTION OF COMBUSTION SECTION, AND HI/LOW PRESSURE TURBINE, FOUND OK. PERFORMED TANDEM BLEED CHECK, OK. PERFORMED EVC TRIM CHECK FOR FLYBACK, OK. ENGINE CHANGE May 30, 2000 · N470EV · Boeing 747273C · Engine (Turbine/Turboprop)SDR 2000UALA00292Light · malfunctionedEEL LIGHTING THROUGHOUT ENTIRE MAIN DECK HAS BEEN FLASHING ON AND OFF FOR THE WHOLE FLIGHT.May 30, 2000 · N159UA · Boeing 747238B · Emergency LightingSDR EIA2000021Nut · missingHKG - AT CRUISE, NR 1 ENGINE ROLLED BACK. NO THROTTLE RESPONSE. ATTEMPTED AIRSTART WITH NO RESULTS. DURING INSPECTION, FOUND NR 1 ENGINE STRUT AREA THROTTLE CONTROL BOX SECURING NUT MISSING, AND CONTROL BOX DISENGAGED FROM CONTROL SHAFT. BOTH BEVEL AND WASMay 29, 2000 · N471EV · Boeing 747273C · Power LeverSDR EIA2000022Line · splitANC - NR 1 ENGINE LOP AND QTY IN FLT SHUTDOWN, MIN PRESSURE 8-10 PSI. DURATION 30 MIN. ALL SYSTEM NORMAL PRIOR TO LOSS OF OIL QTY AND PRESS. FOUND OIL PRESS LINE FROM FILTER TO TOP OF ENGNE TO OIL PRESS TRANSMITTER SPLIT, LT SIDE OF ENGNE. REPLACED WITH FLMay 26, 2000 · N482EV · Boeing 747212B · Turbine Engine Oil SystemSDR 2000UALA00295Fitting · looseDURING NR 1 ENGINE CHANGE NOTICED THAT BOTH FORWARD ENGINE MOUNTS 65B90335-7 & -8 WERE LOOSE. IT WAS REPORTED THAT AN APPROX .125 INCH SIDE TO SIDE MOTION RELATIVE TO THE ADJACENT WEB WAS POSSIBLE. *S/D* FITTING MOVEMENT DUE TO LOOSE FASTENERS. UAL REPLACEMay 18, 2000 · N159UA · Boeing 747238B · Engine Mount SectionSDR 0001856729Engine · malfunctionedDURING CLIMB AT 7000 FEET, THE NR 4 ENGINE OIL QUANTITY RAPIDLY DECREASED TO ZERO WITH DROPPING OIL PRESSURE. POWER WAS REDUCED TO IDLE WHEN THE NR 4 ENGINE FIRE WARNING ACTIVATED. THE CREW DISCHARGED BOTH FIRE BOTTLES, DECLARED AN EMERGENCY, AND RETURNED TOMay 17, 2000 · N629US · Boeing 747251F · Engine (Turbine/Turboprop)SDR EIA2000018Engine · flamed outHNL - NR 1 ENGINE COMPRESSOR STALLED AND FLAMED OUT AT APPROXIMATELY 80 KIAS EGT EXCEEDED RED. MOTORED ENGINE DOWN TO 95 PERCENT. DURATION OF OVERTEMP APPROX 5 SECONDS. MAX EGT REACHED 950 DEGREES CELSIUS. PERFORMED VISUAL OVERTEMP INSPECTION PER 72-00-00 May 15, 2000 · N478EV · Boeing 747SR46 · Engine (Turbine/Turboprop)SDR EIA2000016Engine · flamed outPANC - IN CRUISE AT FL 340, NR 4 ENGINE EPR, N1, N2, EGT, F/F ROLLED BACK. ENGINE FLAMED OUT. ATTEMPTED TWO RELIGHTS, UNABLE. OIL PRESSURE STAYED ABOVE 5 PSI FOR DURATION OF FLIGHT. PERFORMED WINDMILL INSPECTION. INSP INLET/EXHAUST AND 3-5 BLEED PORTS, OKMay 6, 2000 · N485EV · Boeing 747212B · Engine (Turbine/Turboprop)SDR 2000UALA00190Unknown · odorFUEL SMELL PRESENT IN COCKPIT AND FIRST CLASS AT THE TOP OF DESCENT.Apr 12, 2000 · N160UA · Boeing 747238B · Air Distribution SystemSDR K4HA99107Blade · brokenYQX - FLT 13283 - LOST NR 2 ENGINE AT ALT AFTER VIBRATION WAS FELT. SECURED ENGINE ACCORDING TO CHECKLIST. WHEN INSPECTED FOUND C1 BLADES BROKEN. REMOVED AND REPLACED NR 2 ENGINE IAW 71-00-02. B747 MM TESTED AND OPS CHECK GOOD. (M)Mar 13, 2000 · N712CK · Boeing 7472B4B · Turbine Engine Compressor SectionSDR 0000906614Fuel Filter · contaminatedWHILE DESCENDING THROUGH FL160, THE NR 2 ENGINE FLAMED OUT. NO ABNORMAL INDICATIONS WERE OBSERVED AND THE ENGINE RESTARTED WITH NORMAL OPERATION FOR THE REMAINDER OF THE FLIGHT. THE AIRCRAFT WAS IN LITE WAKE TURBULENCE AT THE TIME OF THE FLAME-OUT. MAINTENAMar 12, 2000 · N614US · Boeing 747251B · Engine Fuel and ControlSDR EIA2000013Engine · failedDURING TOD, WHEN THROTTLES WERE MOVED TO IDLE, ENGINE NR 1 CONTINUED A SMOOTH ROLLBACK. ENGINE WOULD NOT RESTART IN FLIGHT (ONLY MADE ONE ATTEMPT). FUEL HEAT WAS LAST USED 25 MINUTED PRIOR TO TOD. ENGINE WINDMILLED FOR 20-25 MINUTES. OIL PRESSURE VARIED FRMar 10, 2000 · N478EV · Boeing 747SR46 · Engine (Turbine/Turboprop)SDR 2000UALA00073Relay · malfunctionedEMERGENCY LIGHT OVERHEAD PANEL UNARMED LIGHT STAYS ON WITH SWITCH IN ARMED POSITION. *S/D* RELAY K2 WAS REPLACED (IN OVERHEAD CONTROL PANEL). NOTE FROM ENGINEERING: IT IS NORMAL FOR THE UNARMED LIGHT TO COME ON IF THE BUTTON AT DOOR 1 LT IS ACTIVATEFeb 15, 2000 · N160UA · Boeing 747238B · Emergency LightingSDR 2000UALA00069Module · inoperativeEMERGENCY LIGHTS DISARM LIGHT STAYS ON WITH SWITCH IN THE ARM POSITION. REPLACED EMERGENCY LIGHT MODULE ASSEMBLY (P/N 69B46010-28) AND CHECKS OK. CURRENTLY UNITED IS IN THE PROCESS OF MODIFYING THE MODULES. THIS MODIFICATION WILL PREVENT THE LIGHTS FROM STAFeb 12, 2000 · N160UA · Boeing 747238B · Emergency LightingSDR 0000316614Fcu · malfunctionedWHILE IN CRUISE FLIGHT AT FL390, THE NR 1 ENGINE FLAMED OUT. THE FLIGHT RETURNED TO GUM AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE AND FOUND THE ENGINE FUEL PUMP OUTPUT PRESSURE LOW. THE FUEL PUMP AND FUEL CONTROL WERE REPLACED. ENGINE OFeb 7, 2000 · N614US · Boeing 747251B · Fuel Control/Turbine EnginesSDR 2000UALA00037Light · malfunctioned1L DOOR EMERGENCY LIGHT STAYS ON WHEN ACFT POWER IS REMOVED. *S/D* REPLACED THE DOOR MOUNT EMERGENCY LIGHT ASSY. OP CHECK OK.Jan 26, 2000 · N165UA · Boeing 747238B · Emergency LightingSDR 0000196719Engine · bird strikeDURING CLIMB AFTER CREW REPORTED A POSSIBLE BIRDSTRIKE, THE NR 4 ENGINE COMPRESSOR STALLED TWICE. THE ENGINE RECOVERED FOR 8-10 MINUTES AFTER THE FIRST STALL AND THEN STALLED AGAIN. THE ENGINE WAS SHUT DOWN, FUEL WAS DUMPED, AND THE FLIGHT RETURNED TO ANC. TJan 13, 2000 · N617US · Boeing 747251F · Engine (Turbine/Turboprop)SDR 99UAL900677Pushrod · damagedHNL MAINTENANCE FOUND THE LEFT I/B MIDFLAP TRAVELED OUTBOARD AND STRUCK THE I/B AILERON. INSPECTION FOUND THESE PARTS BROKEN: 65B15635-1 CRANK, 65B15651-7 PUSH ROD, 65B15651-4 PUSH ROD, AND 65B39351-3 FTG ITEMS (1) & (2) WERE NEAR THE NR 4 FLAP TRACK; WHILE Dec 25, 1999 · N158UA · Boeing 747238B · Trailing Edge Flap Control SystemSDR 99UAL900668Support Bracket · damagedDURING TROUBLESHOOTING OF THE GROUND SPOILER CABLES, MAINTENANCE FOUND THE RIGHT GROUND (INBOARD) SPOILER SUPPORT FITTING ASSEMBLY, (P/N 65B08099-6), DAMAGE AT THE MOST INBOARD CLEVIS LUG. APPROXIMATELY 60 PERCENT OF THE LUG WAS FOUND MISSING. *S/D* REPLACEDec 18, 1999 · N163UA · Boeing 747238B · Drag Control SystemSDR 99UAL900650Connector · damagedSTRONG SMELL OF SMOKE AT CLIMB AT 23000, MOMENTARY FLAGS ON EPR AND FUEL FLOW GAUGE. NR 1 GEN FIELD LIGHT ON-SAI TOPPED. AFTER RESET APPEARED NORMAL. *S/D* SMOKE SMELL WAS CAUSED BY EXCESSIVE VOLTAGE (~100 VDC) APPLIED TO THE BRIDGE CIRCUIT OF THE NR 1 CSDDec 15, 1999 · N163UA · Boeing 747238B · AC Generator-AlternatorSDR EIA990294Engine · leakingKJFK - AT LOWER POWER SETTING, AIR COND SMOKE WAS NOTICEABLE IN UPPER DECK/COCKPIT AREA. FOUND OIL OUT OF NR 2 ENGINE, NR 3 BEARING VENT. (M)Dec 11, 1999 · Boeing 747212B · Engine (Turbine/Turboprop)SDR 99UAL900621Engine · failedNUMBER TWO ENGINE STALLED, BACK FIRED ON TAKEOFF ROLL. ABORTED TAKEOFF AT 120 KTS. EGT AMBER LIGHT CAME ON AS CAPTIAN REDUCED THRUST. *S/D* COMPRESSOR FAILED AND THE ENGINE SURPLUSED, IT WAS NOT DISASSEMBLED.Nov 29, 1999 · N158UA · Boeing 747238B · Engine (Turbine/Turboprop)SDR 99UAL900574Light · inopEEL STRIP AT BOTTOM OF CIRCULAR STAIR IS INTERMITTENT ON AND OFF NEAR 1ST CLASS GALLEY. *S/D* CYCLED EMERGENCY LIGHT SWITCH AND CHECKED LIGHT OPERATION. LIGHTS CHECKED OK. SYSTEM HAS BEEN FUNCTIONING NORMAL.Nov 4, 1999 · N161UA · Boeing 747238B · Emergency LightingSDR 99UAL900556Rib · crackedDURING INSPECTION OF THE OUTBOARD STRUTS RIBS (OUTBOARD AND INBOARD) AT NAC STA 236.5, THE OUTBOARD RIB ON STRUT NR 4 WAS FOUND CRACKED UNDERNEATH THE 65B90150-3 BRACKET. THE APPROXIMATE LENGTH OF THE CRACK IS 6 INCHES. ALSO, THE BRACKET WAS FOUND CRACKED. Oct 24, 1999 · N158UA · Boeing 747238B · Nacelle/Pylon, Frame/Spar/RibSDR K4HA99077Engine · failedNUMBER 4 ENGINE ON TAKEOFF LOST POWER, IFSD AND PULLED FIRE HANDLE. ABNORMAL ENGINE IND-EPR, N1, N2, FF, EGT. REMOVED AND REPLACED ENGINE.Oct 2, 1999 · N707CK · Boeing 747269B · Engine (Turbine/Turboprop)SDR 9904046730Fuel Control · malfunctionedAT 4,000 FEET ON FINAL APPROACH (KIX), THE NR 4 ENGINE FLAMED OUT. A SINGLE RESTART WAS ATTEMPTED AND ABORTED DUE TO HIGH EGT. THE LANDING WAS COMPLETED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE EXHAUST AND INTAKE WITH NO DEFECTS NOTED. THE FUEL CSep 26, 1999 · N630US · Boeing 7472J9F · Fuel Control/Turbine EnginesSDR 9904056730Engine · flamed outAT 4,500 FEET ON APPROACH, THE NR 4 ENGINE FLAMED OUT WHILE AT IDLE POWER. THE ENGINE WAS RESTARTED AND OPERATED NORMALLY FOR THE REMAINDER OF THE FLIGHT INCLUDING REVERSE AND TAXI OPERATION. MAINTENANCE INSPECTED THE ENGINE INCLUDING CHIP DETECTORS AND FUELSep 25, 1999 · N630US · Boeing 7472J9F · Engine (Turbine/Turboprop)SDR 9903976730Engine · flamed outDURING APPROACH, THE NR 4 ENGINE FLAMED OUT AT APPROXIMATELY 3,500 FEET. FLIGHT CREW CONTINUED APPROACH AND PERFORMED AN UNEVENTFUL LANDING. NO EMERGENCY WAS DECLARED. MAINTENANCE INSPECTED INLET, EXHAUST, AND BLEED PORTS. NO DAMAGE OR DEBRIS WAS FOUND. FSep 21, 1999 · N630US · Boeing 7472J9F · Engine (Turbine/Turboprop)SDR 99UAL900450Mask · dropedSEVERAL O2 MASKS DROPPED ON LANDING. CAUSE WAS LIKELY A HARD LANDING. MASKS WERE REPACKED AFTER LANDING. THIS HAS NO SAFETY IMPACT. THE OXYGEN SYSTEM WILL STILL PROVIDE OXYGEN TO ALL PASSENGERS IF SYSTEM IS ACTIVATED.Aug 25, 1999 · N163UA · Boeing 747238B · Passenger Oxygen SystemSDR 99UAL900403Fire Wire · chafedNR 1 ENGINE 'B' FIRE NEEDLE IN FIRE ZONE: TESTED A NEEDLE AND GOT FAULT LIGHT: SELECTED 'B' LOOP AND NO FIRE WARNING: NOTICED BREATHER TEMP RISING (180): SHUT ENGINE DOWN. THE LWR AFT FIRE LOOP WIRING FOR BOTH A/B SYS CHAFED THROUGH THE INSULATION. THE CULPRJul 27, 1999 · N165UA · Boeing 747238B · Detection SystemSDR 9902296717Engine · flamed outAT FL120, DURING DESCENT WITH ENGINES AT IDLE POWER, THE NR 4 ENGINE FLAMED OUT. THE ENGINE WAS RESTARTED AND OPERATED NORMALLY FOR THE REMAINDER OF THE FLIGHT. MAINTENANCE PERFORMED TROUBLESHOOTING PER FIM WITH NO DEFECTS NOTED.Jun 29, 1999 · N617US · Boeing 747251F · Engine (Turbine/Turboprop)SDR EIA990119Engine · flamed outTPE - AT FLIGHT LEVEL 410, AIRCRAFT ENCOUNTERED A THUNDERSTORM WHICH DID NOT SHOW UP ON RADAR. THE NR 2 ENGINE FLAMED OUT. AIRCRAFT THEN DESCENDED TO FLIGHT LEVEL 330 AND ACCOMPLISHED AN INFLIGHT RESTART. INSPECTION AT TPE FOUND NO DISCREPANCIES. LINE MAINJun 14, 1999 · N470EV · Boeing 747273C · Engine (Turbine/Turboprop)SDR 99UAL900325Light · flickeredE-ZONE EMERGENCY LIGHTS FLICKER IN FLIGHT. *S/D* THIS PROBLEM COULD NOT BE DUPLICATED ON THE GROUND. A SYSTEM TEST OF THE E-ZONE EMERGENCY LIGHTS AND BATTERY PACKS WAS ACCOMPLISHED PER MM 33-51-00 PG 507. EMERGENCY LIGHTS AND PACKS TESTED OK PER SEA.Jun 12, 1999 · N160UA · Boeing 747238B · Emergency LightingSDR 99UAL900314Ins · malfunctionedABORTED TAKEOFF AT 90 KNOTS, ON ACCOUNT OF CAPTAIN'S ATTITUDE FLAG IN VIEW. AFTER REVERSE, NR 4 GREEN LIGHT ON, SHUT ENGINE DOWN. REALIGNED INS AND FLAG WENT AWAY. STARTED NR 4 ENGINE AND GREEN LIGHT WENT OUT. THEN MADE NORMAL TAKEOFF. *S/D* INS OUT OF AJun 8, 1999 · N161UA · Boeing 747238B · Integrated Flight SystemSDR 9901986729Tr Unit · malfunctionedAT 100 KTS ON TAKEOFF ROLL, THE NR 1 ENGINE THRUST REVERSER UNLOCK LIGHT ILLUMINATED. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE, MAINTENANCE DEFERRED THE REVERSER PER MEL 78-1 AND LOCKED OUT THE REVERSER PER DDG.Jun 4, 1999 · N629US · Boeing 747251F · Engine Thrust ReverserSDR 99UAL900300Tube · tornEVACUATION SLIDE ON DOOR 1 LEFT WAS DEPLOYED DURING LAX MAINTENANCE CHECK. WITHIN TWENTY MINUTES OF DEPLOYMENT SLIDE WENT FLAT. *S/D* UNIT WAS SENT TO VENDOR FOR EVALUATION AND REPAIR. VENDOR FOUND A .75 INCH PUNCHER IN THE LOWER TUBE THAT DEVELOPED INTO AMay 14, 1999 · N159UA · Boeing 747238B · Escape SlideSDR 99UAL900244Engine · malfunctionedOIL SMELL PERMEATED THE ENTIRE CABIN AND COCKPIT DURING DESCENT. *S/D* FOUND OIL RESIDUE ON NR 1 ACM. REPLACED ACM, NO OIL LEAKS FOUND. INVESTIGATION REVEALED ACM INGESTED FOD, NO DAMAGE FOUND, THE OIL SEALS WERE INTACT. A 2ND ACM WAS REMOVED, DISASSEMBLEApr 27, 1999 · N163UA · Boeing 747238B · Engine (Turbine/Turboprop)SDR 99UAL900215Engine · malfunctionedELECTRICAL OVERHEAT SMELL IN COCKPIT DESCENDING THRU 24,000 FT, NO SMOKE. SMELL DISSIPATED, THEN RETURNED ON ADDING POWER LATER IN DESCENT. *S/D* FOUND OIL RESIDUE ON NR 1 ACM. REPLACED ACM, NO OIL LEAKS FOUND. INVESTIGATION REVEALED ACM INGESTED FOD, NOApr 17, 1999 · N163UA · Boeing 747238B · Engine (Turbine/Turboprop)SDR EIA990113Compressor · stalledLAX - ON DESCENT, NR 4 ENGINE COMPRESSOR STALLED, EGT RISING, DID NOT EXCEED 850 DEGREES N1 DECREASING, ACCOMPLISHED ENGINE SHUTDOWN. ATTEMPT RESTART, NO FUEL FLOW INDICATED. (M)Apr 9, 1999 · N482EV · Boeing 747212B · Turbine Engine Compressor SectionSDR 99UAL900169Wire · failedE-ZONE EMERGENCY FLOOR LIGHT INOP AND 1L CROSS AISLE EMERGENCY LIGHT INOP. REPAIRED WIRES AND CHECKED OK.Mar 18, 1999 · N163UA · Boeing 747238B · Light System WiringSDR CKSA98746Bleed Air · odorCREW REPORTED, NR 3 ENGINE BLEED ALLOWS SMOKE IN THE COCKPIT. CLOSING BLEED, OIL SMOKE REMOVED. PERFORMED BLEED CHECK ON NR 3 ENGINE, GROUND RUN ENGINE IAW MM 71-00-00. NO DEFECT NOTED.Dec 5, 1998 · N710CK · Boeing 7472B4B · Engine Bleed Air SystemSDR CKSA98625Engine · flamed outNR 1 ENGINE FLAMED OUT AT 39,000 FT. ATTEMPTED RELIGHT, EGT WAS GOING TO EXCEED START LIMITS. SHUTDOWN, DESCENDED TO 31,000 FT ATTEMPTED RELIGHT. STARTED AND RAN NORMALLY. SUMPED FUEL TANKS, OPS CHECK NR 1 ENGINE FUEL PUMP FP-12 AND FP-3 ALL IN LIMITS. PEOct 25, 1998 · N708CK · Boeing 747269B · Engine (Turbine/Turboprop)SDR CKSA98541Fire Light · illuminatedNR 2 ENGINE 'B' LOOP FIRE DETECTION LIGHT ILLUMINATED, INDICATOR WENT OFF SCALE HIGH AND ERRATIC. INSPECTED LOOPS SYSTEM. OPS CHECK GOOD (TEST) IAW B747 M/M 26-11-00.Oct 4, 1998 · N702CK · Boeing 747146 · Fire DetectionSDR CKSA98518Engine · defectiveNR 4 ENGINE FIRE INDICATION LIGHT AND BELL WENT OFF AT 2135Z, 24,000 FEET. AIRCRAFT GW 764,998 POUNDS, FUEL 264,000. SECURED ENGINE, DID NOT HAVE TO FIRE BOTTLE, DUMPED 132,000 POUNDS OF FUEL. OIL QUANTITY OBSERVED DECREASING TO HALF INDICATION PRIOR TO BELSep 19, 1998 · N707CK · Boeing 747269B · Engine (Turbine/Turboprop)SDR 98UAL900458Light · inoperativeCROSS AISLE EEL STRIP AT FORWARD GALLEY INOP. REPLACED EMERGENCY LIGHT STRIP AND RESECURED IN PLACE. OPERATIONAL CHECK GOOD.Sep 15, 1998 · N159UA · Boeing 747238B · Emergency LightingSDR 98UAL900359Battery · dischargedOUTBOARD EMERGENCY FLASHLIGHT AT FLIGHT ATTENDANTS SEAT NEXT TO DOOR 3 RIGHT NEEDS TO BE REPLACED. REPLACED BATTERY AND REINSTALLED FLASHLIGHT, OP'S CHECKED GOOD.Jul 25, 1998 · N161UA · Boeing 747238B · Emergency LightingSDR 98UAL900316Wire · brokenDOOR 1 RIGHT EMERGENCY SLIDE LIGHT STAYS ON WITH EMERGENCY LIGHT SWITCH IN THE ARM POSITION. FOUND WIRE W2076-L5093-20 BROKEN AT DOOR SILL. WIRE PULLED OUT OF CONDUIT ABOVE SILL. REPLACED SLIDE LIGHT HARNESS AT DOOR 1R, OPS CHECKED OK.Jul 12, 1998 · N160UA · Boeing 747238B · Light System WiringSDR EIAA980226Engine · failedNAN - DURING CLIMB-OUT AT APPROX 8000 FT AN EXPLOSIVE NOISE WAS HEARD AND A/C YAWED. NR 2 ENGINE S/N 662970 FAILED. AIRCRAFT RETURNED TO NAN WITH NO FURTHER INCIDENT. (M)Jul 6, 1998 · N470EV · Boeing 747273C · Engine (Turbine/Turboprop)SDR 9809686614Engine · flamed outWHILE CLIMBING THROUGH FL340, THE NR 3 ENGINE FLAMED OUT. THE ENGINES WERE RESTARTED APPROXIMATELY ONE MINUTE LATER WITH NORMAL INDICATIONS. THE FLIGHT CONTINUED TO SEL WITHOUT DIFFICULTY. MAINTENANCE INSPECTED THE ENGINES AND PERFORMED ENGINE RUNS WITH NO Jun 26, 1998 · N614US · Boeing 747251B · Engine (Turbine/Turboprop)SDR 98UAL900279Bulkhead Fitting · crackedDURING ROUTINE MAINTENANCE, THE NR 3 PYLON REAR ENGINE MOUNT BULKHEAD FITTING, 65B90367-1 WAS FOUND WITH THREE CRACKS EMANATING FROM THE FASTENER HOLES. THERE IS NO RECORD OF THE MOD DESCRIBED IN BOEING S/B 747-54-2113 HAVING BEEN ACCOMPLISHED IN THIS AREA. Jun 16, 1998 · N165UA · Boeing 747238B · Nacelle/Pylon, Bulkhead/Firewall
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