Pratt & Whitney JT9D-7J
Service difficulty reports · 257
Newest first. General aviation reporting is voluntary.
Query with SQL
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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR 97UAL900011Slide · chafedSLIDE/RAFT REMOVED FOR TIME CONTROLLED OVERHAUL. DURING OVERHAUL, CHAFE DAMAGE FROM THE ASPIRATORS WAS DETECTED IN THE CYLINDER INFLATION BAG, BOTH LOWER AND UPPER SURFACES OF THE CENTER INFLATION TUBE AND THROUGH THE SLIDING SURFACE. REPAIRED CHAFE DAMAGE.SDR 96UAL900950Cover · brokenDURING OP CHECK OF STABILIZER TRIM CONTROL SYSTEM, FLIGHT CREW NOTICED THE STABILIZER DID NOT APPEAR TO TRIM USING EITHER THE SWITCHES ON THE CONTROL YOKE OR MANUAL CONTROL LEVERS. 1ST OFFICER'S STABILIZER POSITION TRIM INDICATOR WHEEL OUTER COVER HAD BROKEN SDR 96UAL900932Engine · failedNUMBER 4 ENGINE SHUTDOWN INFLIGHT DUE OIL FILTER BYPASS LIGHT. *S/D* ENGINE REPLACED, UNABLE TO DETERMINE CAUSE AT THIS POINT IN TIME.SDR 96UAL900914Control Mech · damagedAIRCRAFT EXPERIENCED A HARDER THAN NORMAL LANDING AT NRT. THE LANDING DAMAGED THE RT INBOARD TRAILING EDGE FLAP INSTALLATION, FAILING AFT FLAP CONTROL RODS AT FLAP POSITION NR 5 AND NR 6 AND THE NR 6 MOVABLE FAIRING ACTUATOR ROD ATTACH FITTING. ADDITIONALLY,SDR 96UAL900912Gear Handle · dirtyNOSE GEAR HAD TO BE EXTENDED BY ALTERNATE SYSTEM, HAD A RED GEAR LIGHT AND NO ALTERNATE NOSE GEAR OPEN LIGHT. GPWS SYSTEM GAVE AN AURAL GEAR WARNING, CYCLED GEAR. *S/D* DETERMINED THAT GEAR HANDLE WAS NOT MOVING INTO FORWARD DETENT WHEN PUT IN DOWN POSITIONSDR 96UAL900893Actuator · corrodedAFTER TAKEOFF, GEAR COULD NOT BE RETRACTED. RETURNED TO FIELD. MAINTENANCE FOUND RIGHT BODY GEAR RETRACT ACTUATOR FAILED. ACTUATOR ROD END PULLED FREE FROM PISTON HOUSING DUE TO STRIPPED THREADS WHICH WERE CORRODED. REPLACED RIGHT BODY GEAR ACTUATOR.SDR 96UAL900853Light · inoperativeEMERGENCY EXIT LIGHT STRIP AT SEAT 34 H, J, K INOP. REPLACED EEL POWER FEEDER AND EEL LAMP SEGMENTS.SDR 96UAL900849Light · inoperativeEMERGENCY BUSTLE LIGHT IS INOP AT DOOR 1 LEFT LIGHT FAILED. REPLACED SLIDE LIGHT ASSEMBLY.SDR EIAA9648Engine · malfunctionedSBEG - DURING TAKEOFF ROLL NR 3 ENIGNE POWER ROLLED BACK FROM 1.42 EPR TO 1.31 EPR. FOLLOWED BY AN EGT DECREASE FROM 850 TO 813 AND N-1 DECREASED FROM 95 PERCENT TO 88 PERCENT. AFTER ADVANCING THRUST LEVER APPROX 1.5 KNOB WIDTHS, ENGINE RECOVERED. NO DEFECTSDR 96UAL900800Pump · leakingLOST NR 4 HYDRAULIC SYSTEM FLUID. *S/D* FOUND HYDRAULIC FLUID LEAKED FROM ENGINE DRIVEN PUMP. REPLACED ENGINE DRIVEN PUMP, CASE DRAIN FILTER AND PRESSURE FILTER.SDR 96UAL900782Light · inoperativeDOOR 1R EMERGENCY BUSTLE LIGHT INOP. REPLACED LIGHT ASSY.SDR TWRA96327Bearing Tube · cloggedAFTER STARTING NR 4 ENGINE, FLIGHT ATTENDANT REPORTED SMOKE IN CABIN. FURTHER EVALUATION NEEDED ON THE ENGINE. MAINTENANCE FOUND NR 3 BEARING TUBE CLOGGED. RETRIEVED CARBON DEPOSIT ON NR 3 COMPARTMENT. REMOVED AND REPLACED EVC AS PER TC 75-361. RAN ENGINESDR 96UAL900744Duct · rupturedUNABLE TO MAINTAIN CABIN PRESSURE. PNEUMATIC CROSS-OVER DUCT RUPTURED IN-FLIGHT. DUCT FAILED NEAR A WELD. CAUSE UNKNOWN. DUCTS REPLACED. PART TOTAL CYCLES, 2,804.SDR 96UAL900711Battery Pack · dischargedFORWARD RIGHT HAND OVERWING EMERGENCY LIGHT ASSEMBLIES INOP. BATTERY PACK DEAD, REPLACED BATTERY PACK.SDR 96UAL900712Light · inoperativeEMERGENCY LIGHT ABOVE MAIN ENTRY DOOR 2 LEFT IS INOP. LIGHT BURNED OUT, REPLACED LIGHT ASSEMBLY.SDR 96UAL900685Engine · bird strikeON TAKEOFF ROLL, HEARD LOUD BANG AND VIBRATION. ABORTED TAKEOFF AT 138 KNOTS. FOUND NR 3 ENGINE INGESTED BIRDS.SDR EIAA9630Oil Cap · looseJED - FLT NR 2 ENGINE PRECAUTIONARY SHUTDOWN DUE TO OIL QTY EMPTY TO .25 AND OIL PRESSURE 5 PSI. TEMPERATURE WAS 100 DEGREE CELSIUS, SAME AS OTHER 3 ENGINES. ALL OTHER ENGINE PARAMETERS WERE NORMAL. OIL TANK FILLER CAP DISLODGED AND FOUND AT THE BOTTOM OF TSDR 96UAL900670Engine · failedNR 2 ENGINE FILTER BYPASS LIGHT ON, BREATHER TEMPERATURE PEGGED AT 226 DEGREES AND ENGINE SHUT DOWN. *S/D* ENGINE REPLACED. TEARDOWN OF ENGINE REVEALED EVIDENCE OF FIRE IN NR 3 BEARING COMPARTMENT. CAUSE OF FIRE UNKNOWN.SDR EIAA9629Eng Vane Cntl · malfunctionedJFK - NR 3 ENGINE TOP OF DESCENT, AS POWER LEVERS WERE CLOSED SLOWLY, AUDIBLE COMPRESSOR STALL, EGT CLIMBED TO 917 DEGREES BEFORE SHUT DOWN. HUNG ON RESTART. MADE SECOND START ATTEMPT, HUNG START AGAIN. MADE THREE ENGINE LANDING. AFTER SHUT DOWN FOUND THE SDR 96UAL900650Light · inoperativeDOOR 4 RIGHT, EMERGENCY CEILING LIGHT IS INOPERATIVE. REPLACED LIGHT.SDR TWRA96290Compressor · stalledWHILE DESCENDING OUT OF FL 320, NR 3 ENGINE COMPRESSOR STALLED WITH AUDIBLE SOUND AND RAPIDLY RISING EGT (MAX 750 DEGREES CELSIUS). NR 3 ENGINE WAS SHUT DOWN. ENGINE WAS RELITE AT FL 220. AFTER N2 STABILIZED AT 50 PERCENT. EGT BEGAN TO RISE CONTINOUSLY TO SDR 96UAL900639Flap · corner missingOUTBOARD CORNER OF NR 16 KRUEGER PLAP WAS FOUND MISSING. DETAILED INVESTIGATION OF THE REMAINING FLAP STRUCTURE FOUND NO DELAMINATION OR CRACKS. INSTALLED DOUBLER REPAIR.SDR SRAA960802Insert · looseDURING FLT SJ103 - NR 1 ENGINE LOST OIL QTY AND OIL PRESSURE DROPPED TO 15 PSI WITH BREATHER TEMP INCREASING, SHUT DOWN NR 1 ENGINE AND ACCOMPLISHED AIR TURN BACK TO MIA. AIRCRAFT LANDED WITHOUT INCIDENT. SERVICED ENGINE AND FOUND OIL LEAK AT ANGLE BEAR BOX SDR EIAA9626Oil Press Trans · brokenHNL - AT FLT LEVEL 310, NR 2 OIL QTY WENT FROM 7/8 TO 1/8, OIL PRESSURE BEGAN TO FLUCTUATE PLUS OR MINUS 3 PSI AND OIL PRESS LIGHT FLICKERED. OIL PRESSURE WENT TO 35 PSI. ACCOMPLISHED ABNORMAL PROCEDURE AND SHUT ENGINE DOWN AT 940Z. OIL PRESSURE DURING WINDSDR EIAA9625Oil Tube · leakingJFK - ENGINE NR 2 SHUT DOWN DUE TO LOW OIL QTY AND PRESSURE. WINDMILLING PRESSURE 18 PSI. FOUND NR 1 AND NR 2 BEARING TUBE LEAKING. REPLACED SAME. PERFORMED ENGINE WINDMILLING INSPECTION. LEAK CHECK AND OPERATIONS CHECK NORMAL ON ENGINE RUN. (M)SDR 96UAL900453Bearing · flat spotNR 4 ENGINE SHUT DOWN DUE TO HIGH EGT. *S/D* REPLACED ENGINE. FOUND FUEL CONTROL UNIT HAD EXCESSIVE WEAR ON ONE SIDE OF THE TT2 PILOT VALVE BEARING. FUEL CONTROL UNIT WAS OVERHAULED.SDR 96UAL900443Control Module · dirtyNOSE GEAR HAD TO BE EXTENDED BY ALTERNATE SYSTEM, HAD A RED GEAR LIGHT AND NO ALTERNATE NOSE GEAR OPEN LIGHT. GPWS SYSTEM GAVE AN AURAL GEAR WARNING, CYCLED GEAR. *S/D* DETERMINED THAT GEAR HANDLE WAS NOT MOVING INTO FORWARD DETENT WHEN PUT IN DOWN POSITIONSDR 96UAL900425Light · inoperativeEXTERIOR EMERGENCY LIGHTS INOPERATIVE AT LEFT SIDE 2ND FIXTURE, 2ND LAMP AND RIGHT SIDE 3RD FIXTURE, 2ND LAMP.SDR 96UAL900426Light · inoperativeEMERGENCY CEILING LIGHT AND EEL LIGHT ARE INOPERATIVE IN FORWARD GALLEY BETWEEN DOORS 2R AND 2L.SDR EIAA9613Switch · malfunctionedJFK - FL 310 - NR 3 START VLV OPEN LIGHT ILLUMINATED. ACCOMP ABNORMAL PROCEDURE, ENG SHUTDOWN. WHEN ENG WAS THROTTLED BACK, ENG STALLED. NO ABNORMAL EGT EXCURSIONS NOTED. OCCURRED ABOUT 1.20 EPR. REMOVED AND REPLACED ENG NR 3 START VLV AND PRESS SWITCH PESDR EIAA9611650Compressor · damagedJFK - WHILE TROUBLESHOOTING NR 1 ENGINE THROTTLE BINDING, FOUND APPROXIMATELY 1 INCH BY 6 INCH PIECE ROLLED BACK ON THE STAGE 7 COMPRESSOR CASE JUST ABOVE THE FUEL OIL COOLER ATTACH FLANGE. REMOVED AND REPLACD ENGINE NR 1. FURTHER INVESTIGATIN IS UNDERWAY. SDR 96UAL900294Drive Unit · failedNR 1 LEADING EDGE FLAP FAILED TO RETRACT. *S/D* DRIVE UNIT FAILED TO RETRACT PNEUMATICALLY OR ALTERNATELY AFTER TAKEOFF. DISASSEMBLY OF THE FAILED UNIT REVEALED A FAILED AIR ROTOR BEARING. ADDITIONALLY THE ALTERNATE DRIVE MOTOR FAILED, PROBABLY DUE TO EXTSDR SRAA49602Engine · failedJFK/JAL - FLT 037 - ON TAKEOFF FOR FLIGHT JAL 037 OUT OF JFK, NR 3 ENGINE LOST N1 FOLLOWED BY TOTAL POWER FAILURE AND A LOUD BANG AT THE SAME TIME. ACCOMPLISHED EMERGENCY PROCEDURES AND AIR TURN-BACK TO JFK. PERFORMED BORESCOPE INSPECTION, FOUND NO DEFECTS. SDR 96UAL900253Battery Pack · dischargedEMERGENCY FLUORSCENT STRAP LIGHT AND EMERGENCY DOOR LIGHT AT DOOR 2R STAYED ON DURING FLIGHT. EMERGENCY BATTERY INOP. REPLACED BATTERY PACK.SDR 96UAL900220Light · failedCEILING EMERGENCY LIGHT IS INOP. REPLACED LIGHT ASSEMBLY.SDR 96UAL900183Wire · failedEMERGENCY EXIT LIGHT FROM DOOR 2R TO SEAT 17GH INOP. REPLACED FEEDER CABLE.SDR SRAA39602Bleed Valve · failedFLT 201 - AFTER TAKEOFF WHEN PACKS WERE TURNED ON, CREW NOTICED OILY FUMES IN COCKPIT, CLOSED NR 3 ENGINE BLEED VALVE AND FUMES STOPPED. PERFORMED ENGINE RUN-UP, FOUND NR 3 ENGINE N2 SPEED NOT AT IDLE. UP-TRIMMED GROUND IDLE AND OPS CHECKED GOOD ON GROUND, NSDR EIAA9606Compressor · stalledBRU - AT TOP OF DESCENT WHEN THROTTLES PULLED TO IDLE, NR 3 COMPRESSOR STALLED AND FLAMED OUT. RESTART OK. CHECKED OPERATION OFF BLEED VALVES IAW FIM 71-01-20, NORMAL OPERATION, EVC FILTER NOT CONTAMINATED. AIRCRAFT RELEASED ACC FIM 71-01-00 PAGE 230. (M)SDR EIAA9603Engine · flamed outNR 1 ENGINE FLAMED OUT ON APPROACH, ATTEMPTED TO RESTART. SUBMITTER STATES, SUSPECT HIGH STAGE FUEL PUMP FAILURE.SDR UIEA9603Vane Control · inoperativeENGINE REPAIRED BY LUFTHANSA, FIRST FLIGHT AFTER INSTALLATION. NR 1 ENGINE STALL WHILE CLIMBING THROUGH 10,000 FEET. FLT NR GTI900/31, LUXEMBOURG-TURIN-ENGINE SHUT-DOWN. ENGINE RE-START ATTEMPT UNSUCCESSFUL. AIRCRAFT RETURNED TO LUXEMBOURG BORESCOPE HPC/HRSDR 96ZZZX605Oil Tube · crackedAIRCRAFT EXPERIENCED HEAVY OIL LOSS ON NR 1 ENGINE 40 MINUTES AFTER TAKEOFF WHICH RESULTED IN NR 1 ENGINE IFSD AND ACFT AIR TURN BACK. UPON ACFT ARRIVAL, BEY GROUND INVESTIGATION REVEALED CRACKED NR 1 ENGINE DELTA PRESSURE SWITCH OIL TUBE. ITEM 150 REF: IPCSDR 95UAL900268Tailpipe · fireDURING LANDING ROLLOUT, CREW FIRED BOTH FIRE EXTINGUISHER BOTTLES DUE TO NR 1 ENGINE TAILPIPE FIRE. FLIGHT DATA RECORDER ANALYZED AND IT WAS DETERMINED THAT THE EGT WAS EXCEEDED BY 3 DEGREES FOR ONE SECOND. INSPECTION OF AREA NOTED NO DAMAGE FROM FIRE. POSSSDR EIAA9560Engine · overtempCYQX - OVERTEMP NR 1 ENGINE, APPROX 1150 CELSIUS FOR 5 TO 10 SECONDS, SHUTDOWN ENGINE DURING LANDING. ACCOMPLISHED OVERTEMP INSPECTION PER B747 MM 72-00-00 PAGE 601, BORESCOPED HPT, LPT, COMBUSTION CHAMBER, NGV NO DEFECTS NOTED, VISUALLY INSPECTED ENGINE EXTESDR 95UAL900220Eel Connector · looseEMERGENCY EXIT LIGHTS IN UPPER DECK ARE INOP. RECONNECTED LOOSE CONNECTOR.SDR SRAA99519Engine · failedMIA - ON DESCENT, NR 2 ENGINE STALLED, AT IDLE THRUST EGT INCREASED TO 715, SHUT DOWN ENGINE AND RE-LIGHT NORMALLY INTO MIA. UNABLE TO DETERMINE CAUSE, REPLACED NR 2 ENGINE AND PERFORMED ENGINE RUN UP, OPS CHECKED AND LEAK CHECKED GOOD. (M)SDR SRAA99512Filters · cloggedAT TOP OF DESCENT INTO MIA AT 43,000 FEET, NR 2 ENGINE STALLED AS THRUST BEING REDUCED, SHUT DOWN ENGINE, EGT AT 950 DEGREES, ENGINE RESTARTED NORMALLY AT 16,000 FEET. TROUBLESHOT ENGINE FOUND ENGINE BLEED CONTROL FILTER CLOGGED. REPLACED FILTER, PERFORMED ESDR 95UAL900122Doublers · crackedTHE 65B00283-1, 65B00283-2 DOUBLERS WERE FOUND TO HAVE CRACKS EMANATING FROM THE INBOARD EDGE. THE DOUBLERS WERE PREVIOUSLY INSTALLED BY THE PRIOR OWNER. UAL REPLACED DOUBLERS AND REINFORCED AREA PER BOEING SERVICE BULLETIN 747-53-2112 PER EVA G95-6196.SDR EIAA9539Engine · flamed outDURING CLIMB-OUT FROM JFK PASSING FL 33.2, MACH .81, 290 KNOTS, NR 4 ENGINE FLAMED OUT, IT WAS X-FEEDING FROM NR 2 MAIN TANK AT THE TIME, ALL OTHER PARAMETERS WERE NORMAL, ACCOMPLISHED SHUT DOWN CHECKLIST AND IN FLIGHT CHECKLIST. ENGINE RESTARTED NORMALLY, ALSDR EIAA9538Engine · malfunctionedJFK - ENGINE EGT STARTED TO RAPIDLY RISE AFTER DESCENT FROM FL 370. SHUT DOWN FUEL AND WAITED COUPLE MINUTES AND MADE WINDMILLING START AND TEMPERATURE RISING PAST 550 DEGREES CELSIUS AND ABORTED START. WAITED TO FL 250 AND MADE WINDMILLING START OK. TEMPS SDR EIAA9536Compressor · stalledBBR - NR 2 ENGINE COMPRESSOR STALLED WITH PARAMETERS EPR 1.34, N1 92 PERCENT, N2 90 PERCENT, EGT 800 DEGREES CELSIUS, FLIGHT LEVEL 290. OIL QUANTITY RAPIDLY DECREASED, PERFORMED ENGINE SHUT DOWN PROCEDURES AND SECURED ENGINE. PARAMETERS AFTER SHUT DOWN N1 30
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