Pratt & Whitney JT9D-7A
Service difficulty reports · 593
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 = 'JT9D7A' 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 = 'JT9D7A' 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 95UAL900304Skin · crackedON ARRIVAL, FOUND RIGHT HAND WING LEADING EDGE CRACKED, LENGTH 11 INCHES. LOCATION IS APPROXIMATELY 19 INCHES OUTBOARD FROM FUSELAGE. CRACK WAS DETERMINED TO BE FATIGUE INDUCED. CRACK WAS REPAIRED PER 747SRM 57-30-04 AND S/B 57-2090.SDR 95UAL900294Circuit Breaker · failedSMOKE, SPARKS AND FLAMES SEEN FROM COFFEE MAKER AT GALLEY 411. EXTINGUISHER USED AND CIRCUIT BREAKERS WERE PULLED. REPLACED FAILED CIRCUIT BREAKER AND ENTREE CART POWER CORD. CAUSE OF FAILURE NOT DETERMINED. POSSIBLE CAUSE: OVERCYCLING OF CIRCUIT BREAKER SDR P5CA9500865Evc · failedNR 4 ENGINE SHUT DOWN IN-FLIGHT WITH LOW OIL QTY AND OIL PRESSURE LIGHT ON. OIL PRESSURE DROPPED TO 37 PSI WITH ALL OTHER INDICATIONS NORMAL. ENGINE WINDMILLED FOR 2 HOURS. REPLACED NR 4 EVC IAW MM 75-31-01. ALSO, REPLACED EVC ACTUATOR, P/N 719999-6, S/N 60SDR P5CA9500857Engine · failedNR 1 ENGINE STALL WHILE CLIMBING FROM 34.0 TO 35.0. ALL PARAMETERS SLOW AFTER STALL, EGT DID NOT EXCEED 760 DEGREES. ON LANDING IN KHV, FOUND METAL IN TAILPIPE. ENGINE TO BE CHANGED IAW POLAR WORK CARDS M7100-002 AND M7100-002A.SDR P5CA950844Turbine · failedWITH POWER STABLE AT 1.36 EPR AND NO THROTTLE MOVEMENT AT 26,000 FT CLIMBING TO 29,000 FT, NR 1 ENGINE APPEARED TO SURGE AND COMPRESSOR STALLED WITH A RAPID RISE IN EGT, 975 FOR 5 TO 6 SECONDS UNTIL THROTTLE WAS RETARDED. ENGINE WAS COOLED FOR 5 MINUTES AND SSDR 9518356608Fuel Control · malfunctionedDURING TAKEOFF, THE NR 1 ENGINE SLOW TO RESPOND AS THROTTLE WAS ADVANCED. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. REPLACED THE FUEL PUMP, FUEL CONTROL, PERFORMED ENGINE RUNUP AND TEST WAS NORMAL.SDR 9518366601Csd Oil Cooler · leakingAT FL 350, THE NR 2 ENGINE FIRE WARNING LIGHT ACTIVATED. BOTH A AND B NACELLE TEMPERATURES AT 9 DEGREES AND RISING, NR 2 GENERATOR FIELD AND PRESSURE LIGHTS INCLUDING GROUND BRAKER LIGHT CAME ON. CREW ACCOMPLISHED ENGINE SHUTDOWN, FIRED BOTTLE, AND RETURNED SDR P5CA9500840T2 Turbine Blade · failedNR 1 ENGINE FL 19,000 COMPRESSOR STALL WITH EGT RISE, PRECAUTIONARY ENGINE SHUTDOWN. FOUND TWO FAILED T2 TURBINE BLADES. ENGINE TO BE REPLACED PER POLAR WORK CARDS.SDR 95UAL900253Battery Pack · dischargedEMERGENCY EXIT LIGHTS STAY ON E-ZONE AT DOOR 5 CROSS AISLE. REPLACED EEL BATTERY PACK.SDR P5CA9500834Fuel Control · out of adjustDURING TAKEOFF ROLL AT 40-60 KTS, A/C VEERED TO LEFT OF CENTERLINE. BROUGHT POWER BACK ON ALL ENG'S AND ABORTED TAKEOFF. ADVANCING POWER ON ALL ENGINES EVENLY UP TO 1.30 EPR. AT THAT TIME, NR 3 ENG EPR JUMPED TO 1.53, CAUSING A/C TO VEER. A/C WAS VERY LIGHSDR P5CA9500833Compressor · stalledHKG - UPON APPLYING MAX TAKEOFF POWER, NR 3 ENGINE COMPRESSOR STALLED AT 1.40 EPR. HEARD A LOUD BANG, EGT PEGGED MAX TEMP INDICATOR POINTER AT BOTTOM OF GAUGE 1,100 DEGREES. ABORTED TAKEOFF AT APPROXIMATELY 5 KNOTS, RETARDED ENGINE TO IDLE, SHUTDOWN ENGINE ISDR 95UAL900216Oven · overtempFORWARD LOWER LOBE GALLEY FIRE WARNING AFTER TAKEOFF. SUSPECTED CAUSE IS EXCESSIVE TEMPERATURE SETTING FOR THE FOOD STUFFS/PACKAGING PLACED IN THE OVEN. CORRECTIVE ACTION HAS BEEN TO ISSUE AN ALERT BULLETIN FOR ALL MAINTENANCE PERSONNEL TO FOLLOW REVISED PROSDR P5CA9500824Tr Rail · crackedNR 3 ENGINE R-RAIL CRACKED IN TWO PLACES, APPROXIMATELY 5 O'CLOCK POSITION. WELDED CRACK IAW P AND W MANUAL 72-53-01.SDR P5CA9500825Tr Rail · crackedNR 2 ENGINE R-RAIL CRACKED AT THE FOUR-THIRTY POSITION. WELDED CRACK IAW P AND W MM 72-53-01.SDR P5CA9500826S-Rail · crackedNR 2 ENGINE S-RAIL CRACKED AT 6 O'CLOCK POSITION. WELDED CRACK IAW P AND W MM 72-53-01.SDR P5CA9500831Exhaust Shroud · crackedNR 4 EXHAUST SHROUD WORN AND CRACKED AT FORWARD FLANGE, 7 O'CLOCK POSITION. BLENDED DAMAGED AREA, FABRICATED AND INSTALLED INTERNAL DOUBLER AND EXTERNAL WEAR PLATE IAW SRM 54-30-03.SDR P5CA9500806Chip Detector · crackedNR 2 ENGINE OIL QUANTITY DROPPED TO ZERO FOLLOWED BY A PRESSURE FLUCTUATION. PRECAUTIONARY ENGINE SHUTDOWN COMPLIED WITH, 35 PSI AFTER SHUTDOWN. PERFORMED WINDMILLING INSP PER MM 72-00-00, PERFORMED LEAK CHECK PER MM 71-00-44. FOUND CHIP DETECTOR CRACKED, RSDR P5CA9500807Oil Syst · failedAT TOP OF CLIMB, OIL QTY INDICATION WAS 3.9 GALS, TIME 2359Z AND AT 0025Z QTY WAS 3.5 GALS. RAN THE ENGINE OIL QTY LOW CHECKLIST, AT 0100 OIL QTY WAS 2.8 GALS. RETURNED TO ANC, LANDED WITH .2 GAL INDICATING, HAD GOOD TEMP AND PRESSURE AT ALL TIMES. REPLACEDSDR 95UAL900179Retract Mech · malfunctionedLEFT BODY GEAR DOOR WOULD NOT CLOSE, DUMPED FUEL, BOTH PRIMARY AND SECONDARY SHOWED OPEN. ALSO, AIRCRAFT VIBRATED. PER CREW, WITH GEAR DOWN, GEAR DOOR LIGHTS WERE OUT, PRIMARY AND SECONDARY, WITH GEAR RETRACTED, LEFT GEAR DOOR OPEN LIGHT REMAINED ILLUMINATEDSDR P5CA9500814R Rail · crackedNR 4 ENGINE R-RAIL IS CRACKED AT FIVE THIRTY POSITION. REPAIRED RAIL IAW MM 72-53-01.SDR 95UAL900169Trunnions · reqd serviceLEFT WING GEAR DOOR REMAINED DOWN UPON GEAR RETRACTION, GEAR DID NOT FULLY RETRACT. LEFT WING GEAR FORWARD AND AFT TRUNNIONS WERE DISASSEMBLED AND REASSEMBLED PER MAINTENANCE MANUAL.SDR 95UAL900170Support Rod Assy · failedSUPPORT ROD ASSY WAS FOUND FAILED AFTER FLIGHT. THERE WAS RESULTANT DAMAGE TO THE NR 20 LEADING EDGE VARIABLE CAMBER FLAP. SUPPORT, ROD ASSY AND VARIABLE CAMBER FLAP ASSY WERE REPLACED. FAILURE OF THE SUPPORT ROD WAS INITIATED BY FRETTING DAMAGE WITH A INSUSDR P5CA9500800Engine · failedTHE NR 3 OIL PRESS LIGHT CAME ON, CONFIRMED OIL PRESS LOSS BELOW 40 PSI, SHUTDOWN ENGINE. REPLACED ENGINE IAW POLAR WORK CARD M7100-002A.SDR 95UAL900161Spar · crackedDURING NR 2 ENGINE CHANGE, FOUND NR 2 LOWER HORIZONTAL SPAR WITH 6 INCH CRACK. CRACK WAS LOCATED BETWEEN NAC STA 210 AND 216, ADJACENT TO INBOARD CHORD. REPAIRED PER ADAPTION OF SRM 54-10-03.SDR CAL950853Engine · failedFLT NR 0006 - HNL - THE NR 4 ENGINE FAILED AT TOP OF CLIMB WITH EGT AT 968 DEGREES. THE CREW SHUT THE ENGINE DOWN AND RETURNED TO HNL WHERE THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND METAL IN THE NR 4 ENGINE TAILPIPE. THE NR 4 ENGINE WAS REMOVESDR UPS404508Cover Plate · leakedPILOT REPORTED TWO HOURS INTO FLIGHT, NR 3 ENGINE OIL QUANTITY INDICATED 3.5 GALLON OIL LOSS. ENGINE WAS SHUTDOWN WITH 1 GALLON REMAINING. OIL TEMPERATURE AND PRESSURE NORMAL. MAINTENANCE FOUND OIL LEAK AT OIL PUMP COVER PLATE LOCATED ON ENGINE GEARBOX NR 3SDR P5CA9500772Exhaust Strut · crackedDURING B-CHECK INSPECTION, FOUND CRACKS AT EXHAUST STRUT POSITIONS 2, 3, 4, 5, 12 AND 15. ENGINE SCHEDULED FOR 100 HOUR REPEAT INSPECTIONS PER PRATT AND WHITNEY MAINTENANCE MANUAL 72-53-02.SDR 95UAL900139Oil Pump Shaft · failedTHE NR 4 ENGINE SHUTDOWN IN FLIGHT DUE TO LOW OIL PRESSURE. MAIN OIL PUMP DRIVE SHAFT FAILED. REPLACED ENGINE.SDR UPS404432Engine · malfunctionedPILOT REPORTED, ON FINAL APPROACH WITH ALL ENGINES AT IDLE, NR 3 ENGINE SURGED TO 1.25 EPR, N1 80 PLUS PERCENT N1 AND HIGH FUEL FLOW. ENGINE WAS SHUTDOWN.SDR 95UAL900126Slide · leakingDOOR 5 LT SLIDE FAILED POROSITY TEST DURING PROOF PRESSURE TEST AT OVERHAUL. SLIDE SCRAPPED.SDR 95UAL900127Slide · tornDOOR 3 LEFT SLIDE, INTERNAL OUTBOARD BULKHEAD DAMAGE - TOP HINGE TAPE HAS 2.75 INCH TEAR. THE BOTTOM HINGE TAPE HAS A 2.25 INCH TEAR. THE TOP BULKHEAD HAS 2.75 INCH SEPARATION. THE BOTTOM BULKHEAD HAS 2.25 INCH SEPARATION. SLIDE ASSY SENT TO VENDOR FOR REPSDR 95UAL900125Eel Battery · dischargedDOOR MOUNTED EMERGENCY LIGHTS AT SEVERAL MAIN ENTRY DOORS INOP. REPLACED CONNECTOR, BATTERY PACK AND REPAIRED DAMAGED SPLICE.SDR SRAA99505Tt2 Sensor · failureMIA - FLT 102 - ON DESCENT, NR 2 ENGINE STALLED, EGT WENT TO 780 DEGREES, FUEL FLOW NORMAL, NO RESPONSE TO THROTTLE, MOVED THROTTLE START LEVER TO CUT-OFF POSITION. AFTER ALTITUDE AND EGT STABILIZED, RE-LIT ENGINE, ALL PARAMETERS CHECKED NORMAL. REPLACED TT2SDR P5CA9500768Engine · flamed-outDURING LEVEL OFF FL 370, THE NR 4 ENGINE FLAMED-OUT. RESTART AT FL 190, ENGINE OPERATED NORMAL FOR REMAINDER OF FLIGHT. TROUBLESHOOTING PER MAINTENANCE MANUAL 71-00-42 PG 118. ALL ITEMS FOUND NORMAL, AIRCRAFT RELEASED.SDR P5CA9500741Turbine · failedJFK - ON CLIMBOUT, NR 4 ENGINE EXPERIENCED A COMPRESSOR STALL AT CONSTANT SPEED, ALTITUDE 17,000 MAX EGT 856, ENGINE SHUTDOWN. SECOND STAGE TURBINE FAILURE, FOUND METAL IN TAIL PIPE. ENGINE CHANGED.SDR 95UAL900117Engine · flameoutNR 2 ENGINE FLAMEOUT AT FLIGHT LEVEL 370 AND ENGINE RELIT AT FLIGHT LEVEL 350. ACCOMPLISHED FLAMEOUT PROCEDURES. REPLACED NR 2 ENGINE FUEL FILTER AND SUMPED THE A/C FUEL TANKS. NO PROBLEMS NOTED, CAUSE UNKNOWN.SDR P5CA9500727Engine · flame-outDURING CRUISE FL 370, NR 1 ENGINE FLAMED-OUT, ENGINE SHUTDOWN PROCEDURE ACCOMPLISHED. DESCENDED TO FL 350 IN FLIGHT START PER AOM ENGINE PERFORMANCE NORMAL. CHECKED ENGINE INTAKE AND EXHAUST, FUEL PUMP PRESSURE CHECKED, CONDITION MOTOR CHECKED, AND WATER CONSDR P5CA9500717Engine · oil leakingDURING CLIMB-OUT, LOSS OF OIL IN NR 1 ENGINE SHUT DOWN ENGINE. FOUND OIL TO BE COMING OUT TAIL PIPE, ENGINE CHANGED.SDR P5CA9500715Fuel Control · malfunctionedDURING CLIMBOUT EXPERIENCED SLUGGISH ENGINE RESPONSE NR 4 ENGINE AT FL 210. CLIMBING THROUGH FL 290 HEARD AUDIBLE STALL AND OBSERVED SUBSEQUENT TOTAL LOSS OF ENGINE POWER. ALL PARAMETERS DROPPED OFF INCLUDING EGT. RELIGHT OF ENGINE WAS NORMAL AND ENGINE PERSDR P5CA9500716Engine Vane Cont · malfunctionedAT TAKEOFF, UNABLE TO REACH TARGET BEFORE HITTING STOPS. REPLACED ENGINE VANE CONTROL.SDR P5CA9500705Engine · malfunctionedNR 1 ENGINE AUTO DECELERATION WITHOUT THROTTLE MOVEMENT, SLOW ENGINE RESPONSE 40 MINUTES INTO FLIGHT, PRECAUTIONARY SHUT DOWN. RESTARTED ENGINE IN-FLIGHT, ALL NORMAL AFTER RESTART. INSPECTED TAIL PIPE AND BLEEDS FOR FOD, PULLED 8TH STAGE CHECK VALVE AND DUCTSDR 95UAL900094Flow Divider · malfunctionedA/C HAD APU TAILPIPE FIRE WHILE AT GATE. REPLACED APU. FLOW DIVIDER (P/N 976000) IN FUEL CONTROL FOUND TO BE STICKING AND THE BLEED DOWN VALVE (P/N 36037) WAS FAILING TO DUMP EXCESS FUEL.SDR TWRA9548Turbine · failedEXPERIENCED SEVERE VIBRATION CLIMBING THROUGH 14,000 FEET. ACCOMPLISHED THE ENGINE FIRE SEVERE DAMAGE OR SEPARATION CHECKLIST 2.21.1 NR 1 ENGINE. FOUND NR 1 ENGINE WITH LPT FAILURE. REMOVED ENGINE, S/N 685854, INSTALLED S/N 6857837 PER WIC 71-002. THIS IS SDR P5CA9500764Exhaust · crackedCRACKS ON NR 1 ENGINE ON R-FLANGE, TWO-THIRTY AND S-FLANGE AT 2 O'CLOCK POSITION. WELD REPAIRED PER PRATT AND WHITNEY MAINTENANCE MANUAL 72-53-01.SDR P5CA9500765Exhaust · crackedCRACKS ON NR 2 ENGINE R-FLANGE AT FIVE O'CLOCK POSITION, S-FLANGE AT 3 LOCATIONS BETWEEN SIX-THIRTY AND SEVEN-THIRTY POSITION. WELD REPAIRED PER PRATT AND WHITNEY MAINTENANCE MANUAL 72-53-01.SDR P5CA9500766Exhaust Case · crackedCRACKS ON NR 3 ENGINE RT FLANGE AT FOUR THIRTY, S-FLANGE AT FIVE O'CLOCK AND SIX THIRTY. WELD REPAIRED PER PRATT AND WHITNEY MANINTENCE MANUAL 72-53-01.SDR 95UAL900080Slide · failedSLIDE FAILED AIR RETENTION TEST. SCRAPPED SLIDE.SDR P5CA9500601Compressor · stalledNR 3 ENGINE EXPERIENCED AUDIBLE STALL AT TOP OF DESCENT INTO ANC. N1 AND N2 INDICATORS DROPPED WITH STEADY RISE IN EGT SHUTDOWN ENGINE AT 750 DEGREES. RELIGHT OF ENGINE NORMAL ENGINE PERFORMED NORMAL FOR THE REST OF FLIGHT. INSPECTED ENGINE PER MAINTENANCE SDR P5CA9500602Connector · contaminatedHUNG START ENGINE NR 2. CLEANED AND SECURED CANNON PLUG ON FUEL CONDITION ACTUATOR, SUBSEQUENT ENGINE STARTS NORMAL.SDR P5CA9500603Engine · malfunctionedAFTER PUSHBACK UNABLE TO START NR 2 ENGINE. SHUTDOWN OTHER OPERATING ENGINES, INSPECTED INSTALLATION OF START VALVE AND FUEL CONDITION ACTUATOR, ALL FOUND NORMAL. START ATTEMPT AT GATE WAS NORMAL.
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