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 TWRA96289Pt2 Probe · crackedON DESCENT FROM FL 390 THROTTLES RT BACK TO STOP, ENG AUDIBLE STALL ON NR 3 ENG. ENG SHUTDOWN, EGT 810 DEGREES CELSIUS. RELITE ATTEMPT AT FL 200 N2 40 PERCENT MAX EGT APPROACHED 650 DEGREE CELSIUS ENG SHUTDOWN SECOND RELITE ATTEMPT AT FL 110 WAS A NORM STARTSDR P5CA9600644Engine · oil leakAT CRUISE NR 2 ENGINE OIL QUANTITY STEADILY DECREASED FROM APPROX 5.6 GALLONS TO ZERO WITHIN 45 MINUTES FROM TAKEOFF. SHUT DOWN ENGINE AND RETURNED TO AMS. WINDMILL TIME 1 HOUR 16 PSI OIL PRESSURE. FOUND OIL LEAK TO BE INTERNAL REMOVED AND REPLACED ENGINE PSDR TWRA96283Pt2 Sense Line · looseENGINE NR 3 WAS SHUT DOWN IN FLIGHT AT FLIGHT LEVEL 360. DESCENDED MACH .85, SAT 45 DEGREE CELSIUS. TAT 15 DEGREES CELSIUS DUE TO RAPID RISE IN EGT WITH THRUST LEVER MOVEMENT (AFT) MAX EGT WAS 840 DEGREES CELSIUS IN FLIGHT START WAS SUCCESSFUL. MAINTENANCE SDR 96UAL900638Light · inoperativeEMERGENCY EXIT LIGHTS FROM DOOR 2L TO SEAT 18A ARE INOPERATIVE. ADDITIONALLY, LAMP AT SEAT 20C IS INOPERATIVE. SECURED LEAD IN POWER CABLE AND ALSO SECURED LAMP AT SEAT 20C.SDR P5CA9600601Engine · malfunctionedNR 4 ENGINE OIL QUANTITY DECREASED INFLIGHT, WHEN OIL PRESSURE BEGAN TO FLUCTUATE AND LOW OIL PRESSURE CAUTION LIGHT FLICKERED. COMPLETED THE PRECAUTIONARY ENGINE SHUT DOWN. ON GROUND RUN FOUND OIL LEAKING FROM BREATHER PORT. REMOVED AND REPLACED ENGINE PERSDR CALA9601147Stator Contl · inoperativeTAKEOFF WAS ABORTED AT 115 KNOTS AFTER THE NR 1 ENGINE WOULD NOT MAKE TAKEOFF POWER. THE AIRCRAFT WAS RETURNED TO GATE WHERE SIX TIRES BLEW DUE TO HEAT. MAINTENANCE FOUND THE NR 1 ENGINE COMPRESSOR STATOR CONTROL AT FAULT. THE COMPRESSOR STATOR CONTROL WAS SDR 9617136603Compressor · stalledAT TOP OF DESCENT, THE NR 4 ENGINE COMPRESSOR STALLED. THE ENGINE WAS THEN SHUTDOWN AS EGT REACHED 950 DEGREES AND N2 WENT TO 105 PERCENT. CREW FOLLOWED COCKPIT OPERATING PROCEDURE AND MADE THREE ENGINE LANDING WITHOUT FURTHER INCIDENT. THE A/C WILL BE FERRYSDR 96UAL900591Compressor · stalledNR 3 ENGINE HAD COMPRESSOR STALL WHEN THROTTLE RETARDED FOR DESCENT. STALL CAUSED STEADY AIRFRAME VIBRATION, EGT CLIMBED TO 700 DEGREES AND ENGINE SHUTDOWN.SDR 96UAL900586Stringer · corrodedFOUND ONE POPPED AND SEVERAL DISHED RIVETS ON BELLY SKIN FROM STATION 760 TO 780. INTERNAL INSPECTION FOUND CORRODED STRINGERS 47L AND 47R, STATION 760 TO 780. REMOVED STRINGERS 47L AND 47R FROM STATION 740 TO 780. REMOVED LIGHT SURFACE CORROSION ON SKIN, ASDR P5CA9600447Raceway · crackedNR 4 ENGINE RIGHT SIDE RACEWAY BRACKET CRACKED ALONG WELD JOINT 2 TO 3 O'CLOCK POSITION. WELDED AND STRESS RELIEVED PER PRATT AND WHITNEY MAINT MANUAL 72-53-01.SDR P5CA9600452Turbine Exhaust · crackedNR 2 ENGINE S-RAIL CRACKED 5 TO 7 O'CLOCK. WELDED AND STRESS RELIEVED PER PRATT AND WHITNEY MAINT MANUAL 72-53-01.SDR P5CA9600453Turbine Exhaust · crackedNR 2 ENGINE TURBINE EXHAUST CASE R-RAIL RADIAL CRACK AT 6 O'CLOCK POSITION. WELDED AND STRESS RELIEVED PER PRATT AND WHITNEY MAINT MANUAL 72-53-01.SDR 96UAL900566Pitot Tube · pluggedFIRST OFFICER'S AIRSPEED INDICATOR INOPERATIVE. READS ZERO ALL THE TIME. ABORTED TAKEOFF AT 100 KNOTS. PROBLEM CAUSED BY BLOCKED PITOT INPUT. SOURCE OF BLOCKAGE CANNOT BE DETERMINED; HOWEVER, MATERIAL REMOVED FROM PROBE WAS MOST LIKELY A CARBONIZED INSECTSDR CKSA96075Fuel Nozzel Ftg · looseVHHH-FLT NR 77068: FULL FIRE WARNING ON NR 3 ENGINE. BOTH FIRE BOTTLES DISCHARGED. INSPECTED NR 3 ENGINE. FOUND LOOSE FITTING ON FUEL NOZZLE AND BLOWN SEAL AT PRECOOLER DUCT COUPLING. RETORQUED AND SEALED AT PRECOOLER DUCT COUPLING - EDP FILTER CARTRIDGE SDR 96UAL900557Lamp · not secureNR 1 LEFT OVERWING EMERGENCY LIGHT HAS FORWARD LAMP INOP. LAMP FOUND UNSECURED. SECURED LAMP, OPS CHECKS GOOD.SDR P5CA9600369R-Rail · crackedNR 4 ENGINE R-RAIL IS CRACKED CIRCUMFERENTIALLY, LIGHTENING HOLE TO LIGHTENING HOLE AT THE 5:30 POSITION. WELDED AND STRESS RELIEVED IAW PRATT AND WHITNEY MM 72-53-01.SDR P5CA9600378Tip Shroud · delaminatedNR 3 ENGINE INLET FAN BLADE TIP SHROUD DELAMINATED AT 5:30 POSITION. REPAIRED DELAMINATION AND APPLIED ADHESIVE IAW SRM 72-33-01.SDR P5CA9600370S-Rail · crackedNR 4 ENGINE S-RAIL HAS A RADIAL CRACKED AT 1:30 POSITION. WELDED AND STRESS RELIEVED IAW PRATT AND WHITNEY MM 72-53-01.SDR P5CA9600371S-Rail · crackedNR 2 ENGINE S-RAIL HAS A RADIAL CRACK AT THE 2 O'CLOCK POSITION. WELDED AND STRESS RELIEVED IAW PRATT AND WHITNEY MM 72-53-01.SDR P5CA9600377Tr Sleeve · corrodedNR 4 ENGINE HAS SURFACE CORROSION ON THRUST REVERSER SLEEVE AT RT UPPER JACKSCREW BARREL NUT HOLES. REMOVED LEVEL ONE CORROSION AND TREATED IAW SRM 51-10-01.SDR 96ZZZM1220Engine · failedCDG - DURING CRUISE SHUT DOWN NR 4 ENGINE, S/N 4266, DUE TO LOW OIL PRESSURE. FOUND ANGLE GEARBOX AND ACCESSORY GEARBOX CHIP DETECTORS WITH METAL PARTICLES. REPLACED ENGINE AND THEN ENGINE OPERATION CHECKED NORMAL. ENGINE TOTAL TIME 55,441, TOTAL CYCLES 13SDR 96UAL900500Fire Wire · chafedAPU FIRE WARNING CAME ON DURING LANDING ROLL OUT WITH INTERMITTENT FAULT LIGHT. DISCHARGED FIRE BOTTLE, NO EVIDENCE OF FIRE. *S/D* INVESTIGATION REVEALED A CHAFED FIRE DETECTION WIRE. CORRECTIVE ACTION WAS TAKEN TO INSULATE CHAFFED WIRE. THIS IS CONSIDERSDR P5CA9600310Chip Detector · brokenFOUND NR 3 ENGINE ANGLE GEARBOX CHIP DETECTOR BROKEN. REPLACED CHIP DETECTOR IAW MM 72-61-01.SDR 96UAL900487Light · inoperativeRIGHT HAND EXTERIOR BODY FAIRING AFT EMERGENCY LIGHTS INOP. *S/D* REPLACED BATTERY PACK.SDR 96UAL900469Engine · malfunctionedAFTER TAKEOFF, NR 4 ENGINE EPR DROPPED FROM 1.44 TO 1.26, FUEL FLOW LOW, NR 4 GENERATOR BREAKER TRIPPED, BOTH NR 4 FIRE INDICATIONS APPROACHED FIRE RANGE. SHUT DOWN ENGINE. *S/D* ENGINE WAS REMOVED AND TESTED. TEST CELL PERSONNEL WERE UNABLE TO DUPLICATE TSDR UIEA9607Chip Detector · leakingFLT NR VR966 - GRU-MEX - NR 1 ENGINE HIGH OILCONSUMPTION AT TOP OF DESCENT QTY SHOWED 2 GALLONS PRESSURE DROPPED TO 30PSI AND WAS FLUCTUATING, SHUTDOWN ENGINE, TOTAL WINDMILLING TIME 28 MINUTES. PERFORMED WINDMILL INSPECTION. NO DAMAGE NOTED. SERVICED ENGINESDR P5CA9600263S Rail · crackedFOUND NR 2 ENGINE AFT S-RAIL CRACKED AT 2 O'CLOCK POSITION. STRESS RELIEVED IAW MM 72-53-01, WELDED IAW P AND W 72-53-01.SDR P5CA9600264Exh Sleeve Skin · peeled backFOUND NR 2 ENGINE AFT EXHAUST SLEEVE LEADING EDGE SKIN PEELED BACK AND DAMAGED FROM 2 O'CLOCK TO 7 O'CLOCK POSITION. REPAIRED AREA IAW SRM 54-30-03.SDR P5CA9600266Exh Sleeve Skin · crackedFOUND NR 4 ENGINE EXHAUST SLEEVE EXTERNAL LEADING EDGE SKIN PULLED BACK, CRACKED AND PARTLY MISSING, RIGHT SIDE. REMOVED DAMAGED SKIN IAW SRM 54-30-03. INSTALLED REPAIR PLATE IAW SRM 51-30-02. ENGINE TOTAL CYCLES, 16,359.SDR TWRA9640Main Gear Box · failedDURING CRUISE FLIGHT 22 FROM LAX TO JFK, THE NR 2 ENGINE CSD OIL LIGHT AND GENERATOR OPEN LIGHT ILLUMINATED, THE CSD COULD NOT BE DISCONNECTED. PMG INDICATION WAS 8000 RPM. THE ENGINE WAS BEING SHUT DOWN DUE TO CSD FAILURE, AT THIS TIME THE NR 2 ENGINE LOST SDR 96UAL900454Skin · crackedLEFT UPPER SKIN PANEL WAS OBSERVED CRACKED IN-FLIGHT. FOUND PANEL CRACKED AND DELAMINATED ALL THE WAY ACROSS THE INBOARD-OUTBOARD DIRECTION. REMOVED SKIN PANEL, REPAIRED AND REINSTALLED.SDR 96UAL900455Lamp · inoperativeNR 1 RIGHT OVERWING FORWARD EMERGENCY LIGHT INOPERATIVE. REPLACED LAMP ASSY AND REPAIRED BROKEN GROUND WIRE.SDR P5CA9600276R Rail · crackedFOUND NR 1 ENGINE R-RAIL CRACKED AT 10 O'CLOCK POSITION UNDER PRECOOLER DOOR. REMOVED DOOR, STRESS RELIEVED IAW MM 72-53-01, FLAP PEENED R-RAIL IAW SRM 51-10-07, REINSTALLED DOOR IAW MM 36-12-01.SDR TWRA9632Engine · malfunctionedON APPROACH AND DURING TAXI IN TO PARKING SPOT, A SMELL OF SMOKE WAS DETECTED COCKPIT GALLEY POWER WAS OFF SMELL MOSTLY CAME FROM CAPTAINS SIDE (EYEBALL VENTS). NR 2 ENGINE WAS REPLACED AND R/U CHECK OK, ALL 3 PACKS WERE RUN. OPS CHECK OK. NO SMOKE IN COCKPSDR P5CA9600234Condition Motor · inoperativeNR 2 ENGINE WOULD NOT START AFTER PUSH BACK, RETURNED TO BLOCKS. REMOVED AND REPLACED NR 2 FUEL CONDITION MOTOR PER MM 76-11-04.SDR P5CA9600364Turbine Exh · crackedNR 3 ENGINE 'R' AND 'S' RAILS CRACKED IN PREVIOUS WELDED AREAS AT 12 O'CLOCK POSITION. THE 'S' FLANGE CLEVIS PIN HAS PINHOLE CRACK, THE 'R' FLANGE 12 O'CLOCK RACETRACK SLOT RADIAL CRACK TO RAIL. INSPECTED TURBINE EXHAUST CASE AT 1,000 HR INTERVALS FOLLOWING SDR P5CA9600231Anti-Ice Vlv Lt · malfunctionedAIRCRAFT HAD GATE TURNBACK DUE TO NR 4 ENGINE ANTI-ICE LIGHT ON. VALVE OPS CHECKS NORMAL IAW MM 75-11-00. DEFERRED NR 4 ENGINE ANTI-ICE VALVE LIGHT PER MEL 30-04-1, DUE 31 MAY 96.SDR P5CA9600232Comp Blades · bird strikeUPON INSPECTION OF NR 1 ENGINE DURING MAINTENANCE, FOUND EVIDENCE OF BIRD STRIKE ON FAN BLADES AND FAN EXIT DIAPHRAGM. COMPLIED WITH CONDITIONAL INSPECTION PER 5-51-14 AND BORESCOPE INSPECTION PER MM 72-00-00. FOUND 6 EACH 5TH STAGE COMPRESSOR BLADES BENT BEYSDR P5CA9600233Engine · bird strikeUPON INSPECTION OF NR 3 ENGINE FOUND EVIDENCE OF BIRD STRIKE. COMPLIED WITH CONDITIONAL INSPECTION PER 5-51-14 AND BORESCOPE INSPECTION PER MM 72-00-00, NO DAMAGE FOUND.SDR P5CA9600230Ps4 Line · looseAFTER AIRCRAFT WAS PUSHED OFF BLOCKS, UNABLE TO START NR 1 ENGINE, HANGING WITH NO ACCELERATION. INSPECTED AND FOUND BURNER PRESSURE SENSE PS4 LINE LOOSE AT FCU. TIGHTENED SAME, ENGINE START AND OPERATION NORMAL IAW MM 71-00-00.SDR 96UAL900349Bulb · failedLEFT SIDE AFT EXTERNAL OVERWING EMERGENCY LIGHT INOPERATIVE. BULB ELEMENT BURNED OUT. REPLACED BULB.SDR TWRA9628Engine · failedDURING CRUISE, NR 1 ENGINE HAD A STEADY STATE STALL AT FLT LEVEL 350 FEET, THRUST WAS REDUCED AND STABILIZED, THEN PUSHED THROTTLE TO 1.36 EPR WHEN ENGINE STALLED AGAIN. ENGINE POWER WAS MAINTAINED AT IDLE FOR REMAINDER OF FLT. AIRCRAFT DIVERTED TO MANCHESTESDR P5CA9600224Fuel Control · inoperativeON TAXI FOR DEPARTURE, NR 4 ENGINE FLAMED OUT. ACFT RETURNED TO GATE. REMOVED AND REPLACED FUEL CONTROL IAW MM 73-21-01. REMOVED AND REPLACED FUEL PUMP IAW MM 73-11-01. FUEL PUMP PART NR 705300, SERIAL NR 2027, TSI 2541.SDR P5CA9600221O-Ring · damagedON DEPARTURE CLIMB-OUT PASSING 15,000 FEET, NR 3 ENGINE OIL PRESSURE LIGHT BEGAN FLICKERING. OIL PRESS WAS AT 50 PSI PLUS OR MINUS 10 PSI AND DECREASING. OIL QUANTITY INDICATED 1.2 GALLONS. WHEN OIL PRESSURE DECREASED TO 35 PSI, ENGINE WAS SHUT DOWN. ACCOMSDR 96UAL900311Impeller · failedAFTER TAKEOFF, DETECTED LOW OIL PRESSURE NR 4 ENGINE. ENGINE SHUTDOWN, FLIGHT RETURNED TO HNL. *S/D* MAIN GEARBOX DE-AERATOR IMPELLER DRIVE FAILED. REPLACED MAIN GEARBOX ASSY.SDR TWRA9625Engine · failedENGINE NR 3 IN CRUISE SHUTDOWN FOR LOSS OF OIL, TEMPERATURE RISING AND OIL PRESSURE FLUCTUATING. ENGINE WAS REMOVED AND REPLACED S/N OFF 662616, S/N ON 662867. DUE TO METAL ON MGB CHIP DETECTOR AND SLUDGE/TAR FOUND IN FILTER. (M)SDR 96UAL900297Slide · leakingDURING ROUTINE OVERHAUL OF CREW SLIDE, UNIT FAILED AIR RETENTION TEST DUE TO SEAM LEAKS, POROSITY AND MINOR PUNCTURES. SCRAPPED UNIT.SDR P5CA9600209Flow Divider · malfunctionedNUMBER 2 ENGINE SURGE BLEED VALVE STUCK OPEN AT FLIGHT LEVEL 39, EGT 100 DEGREES CELSIUS HOTTER THAN OTHER ENGINES AND FUEL FLOW 500 LBS HIGHER. REMOVED AND REPLACED ENGINE FLOW DIVIDER IAW MM 75-32-05. REMOVED AND REPLACED TT2 SENSOR IAW MM 73-21-04 AS PRECSDR 9608146601Bleed Contl Vlv · malfunctionedDURING APPROACH, THE NR 4 ENGINE STALLED. CREW SHUT DOWN THE ENGINE. WHEN ENGINE WAS RESTARTED, THE NR 4 EGT ROSE TO 760 DEGREES AND THE ENGINE WAS SHUT DOWN FOR THE REMAINDER OF THE FLIGHT. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. REPLACED THE PRESSURE RSDR 96UAL900243Hyd Pump · leakingRIGHT BODY AND WING GEAR DOORS WOULD NOT CLOSE USING PRIMARY AND ALTERNATE SYSTEM. FAILED NR 4 HYDRAULIC PUMP. FOUND LEAKING PUMP SEAL SHAFT. REPLACED PUMP.
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