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 P5CA9700298Inlet Fan Case · wornSEVERE VIBRATION ON CLIMB OUT OF HNL. REPLACED INLET FAN CASE AND 2 MATCHED SETS OF BLADES PER BOEING MAINTENANCE MANUAL 72-31-04 AND 72-31-02.SDR P5CA9700270R-Rail · crackedNR 1 ENGINE, R-RAIL CRACKED AT 170 DEGREE POSITION. REPAIRED PER PRATT AND WHITNEY 72-53-01.SDR P5CA9700157Blanking Plate · mis installedLOSS OF OIL FROM NR 3 ENGINE ON CLIMB. ENGINE SHUT DOWN DUMPED FUEL AND RETURNED TO ANC. FOUND BLANKING PLATE FOR NR 3 ENGINE DRIVEN PUMP PER MEL NOT INSTALLED PROPERLY. CORRECTLY INSTALLED BLANKING PLATE PER DISPATCH DEVIATION GUIDE 29-110-05 PAGE 201 PARASDR P5CA9700068Case Rail · crackedCRACK ON NR 2 ENGINE TURBINE CASE S-RAIL. WELDED CRACK PER PRATT AND WHITNEY OHM 72-53-01.SDR P5CA9700034Engines · stalled*** CORRECTION***AT FLIGHT LEVEL 430, NR 1 AND NR 2 ENGINE LOW SPEED STALL, NO THROTTLE RESPONSE, AT FL 350 ALL PARAMETERS NORMAL THROUGH REMAINING FLIGHT. CARRIED OUT INLET AND EXHAUST INSPECTION CHECK, ALL CHECKED NORMAL. CHANGED FUEL FILTERS, NO CONTAMISDR 9700716608Bearing · oil leakDURING TAXI OUT, SMOKE BEGAN TO ENTER THE CABIN. AIRCRAFT TAXIED BACK TO THE GATE AND PASSENGERS DEPLANED THROUGH THE JETWAY. MAINTENANCE FOUND OIL LEAKAGE AT NR 3 BEARING COMPARTMENT ON NR 2 ENGINE. REMOVED AND REPLACED THE NR 2 ENGINE.SDR P5CA9700029Exhaust Case · crackedNR 1 ENGINE R-RAIL AT THE SIX-THIRTY POSITION HAS A HORIZONTAL CRACK. REPAIRED PER BOEING MAINTENANCE MANUAL 72-53-01.SDR P5CA9700030Exhaust Case · crackedNR 1 ENGINE S-RAIL AT 6:00 O'CLOCK POSITION HAS A HORIZONTAL CRACK. REPAIRED PER BOEING MAINTENANCE MANUAL 72-53-01.SDR P5CA9700031Exhaust Case · crackedNR 1 ENGINE S-RAIL AT 12 O'CLOCK POSITION HAS A VERTICAL CRACK. OK FOR 1,000 HOUR REINSPECTION PER BOEING MAINTENANCE MANUAL 72-53-02.SDR 97UAL900038Battery Pack · dischargedEMERGENCY SLIDE ILLUMINATION LIGHTS 1R, 2R, 2L, 4R, 4L, 5R, AND 5L ACTIVATE WHEN SWITCH IS ARMED. REPAIRED FRAYED WIRE THAT WAS SHORTING TO AIRCRAFT FRAME OVER DOOR 3 RIGHT.SDR 97UAL900065Power Feeder · failedEMERGENCY EXIT LIGHT, INOP ON RIGHT HAND AISLE FROM SEATS 21 TO 26. REPLACED POWER FEEDER FROM SIDEWALL TO ROW 27.SDR P5CA9700008Bracket · brokenBROKEN SUPPORT BRACKET FOR ENGINE BLEED AIR DUCT NR 1 ENGINE. REPLACED BRACKET PER BOEING MAINTENANCE MANUAL 75-22-01.SDR 96UAL901007Battery Pack · dischargedFOUND DOOR 1L, 5L AND 5R SLIDE EMERGENCY LIGHTS STAYED ON. UNABLE TO TURN OFF. REPLACED BATTERY PACK.SDR TWAA9616105Engine · failedSTL - FLT 105 - DURING CLIMB, SHUT DOWN NR 2 ENGINE, S/N 4134, DUE TO ENGINE SURGE WITH HIGH EGT AND FUEL FLOW. FOUND METAL PARTICLES IN TAILPIPE. CHANGED ENGINE. ENGINE OPERATIONS AND INDICATION THEN CHECKED NORMAL. (M)SDR 96UAL900974Selector Valve · crackedON LANDING HYDRAULIC SYSTEM NR 1 QUANTITY WENT TO ZERO. PRESSURE LIGHT CAME ON FOR AIR PUMP AND ENGINE PUMP. TAXIED OFF RUNWAY AND WAS TOWED TO THE GATE DUE TO LOSS OF BODY AND NOSE LANDING GEAR STEERING. *S/D* LOSS OF HYDRAULIC FLUID WAS DUE TO CRACKED BSDR 96UAL900968Power Supply · inoperativeEXIT EMERGENCY LIGHT ABOVE UPPER DECK CREW EXIT DOOR IS INOP. REPLACED BATTERY POWER SUPPLY OVER UPPER DECK EMERGENCY EXIT.SDR P5CA9601253Drain Cap · bad sealLOSS OF OIL QUANTITY NR 4 ENGINE ON TAXI OUT. FOUND DRAIN CAP SEAL LEAKING ON KIT INSTALLED FOR ENGINE DRIVEN HYDRAULIC PUMP DEACTIVATION PER MEL 29-01 PER MAINTENANCE MANUAL 29-11-05. REPLACED CAP LEAK CHECK OK.SDR CALA9601861Seal · leakingTHE NR 4 ENGINE OIL PRESSURE BEGAN TO DROP WHILE EN ROUTE FROM HNL TO NRT. THE ENGINE OIL PRESSURE LIGHT WAS INTERMITTENT WHILE OIL PRESSURE DECREASED INTO THE AMBER ZONE. THE LIGHT BECAME STEADY WHEN PRESSURE REACHED RED LINE. THE PRESSURE CONTINUED TO DECSDR EIAA96100Oil Line · chaffedJFK - DURING CRUISE FLT, NR 1 ENG OIL QTY DECREASED 3-4 QUARTS PER HOUR. SIX HOURS INTO FLIGHT AT PRECAUTIONARY SHUT DOWN OF ENGINE WAS PERFORMED. WINDMILLING OIL PRESSURE WAS 17-20 PSI WITH QTY READING 2 QUARTS. FOUND NR 1 ENGINE, NR 4 BEARING OIL SCAVANGESDR 96UAL900956Bulkhead Fitting · loose fastenersDURING ROUTINE ENGINE CHANGE ON NR 4 ENGINE FOUND 4 LOOSE FASTENERS ON THE PYLON FWD ENGINE MOUNT FITTING INBOARD SIDE COMMON TO THE BULKHEAD. INSTALLED NEW FASTENERS. ADJACENT FASTENERS WERE INSPECTED WITH NO DEFECTS NOTED. BOEING S/B 747-54A2069 WAS PREVISDR 96UAL900944Drive Unit · failedLEFT NR 2 LEADING EDGE FLAP WOULD NOT RETRACT. RETURNED TO FIELD. *S/D* NR 2 LEFT HAND LEADING EDGE FLAP DRIVE UNIT WAS REPLACED. REMOVED UNIT WAS DISASSEMBLED IN THE SHOP WITH NO DEFECTS NOTED.SDR P5CA9601203Engine · over tempABORTED TAKEOFF AND RETURNED TO RAMP DUE TO ENGINE NR 1 EXCEEDING MAX EGT LIMITS WHEN APPLYING TAKEOFF THRUST. EGT REACHED 976 DEGREES FOR APPROXIMATELY 5 SECONDS. PERFORMED OVERTEMP INSPECTION REQUIRED BY 71-00-00 AREA C. BORESCOPE PER 72-00-00, NO DEFECTSDR P5CA9600974Engine · malfunctionedAFTER ENGINE START NR 3 ENGINE OIL QUANTITY DROPPED, OIL PRESSURE LOW AT IDLE POWER, NO OIL OVER TEMP. REMOVED FILTER AND FOUND CARBON DEPOSITS. CLEANED, REINSTALLED, DRAINED OIL, RESERVICED, INSPECTED N2 TACK SHAFT FOR PLAY AND NONE FOUND. PERFORMED ENGINESDR P5CA9600973Engine · malfunctionedWHEN THROTTLES REDUCED FOR DESCENT, OIL QUANTITY DROPPED TO ZERO AND PRESSURE DROPPED TO 30 PSI OIL PRESSURE STAYED ABOVE 20 PSI REST OF FLIGHT, AFTER ENGINE SHUT DOWN IAW ALTERNATE PROCEDURES. AFTER SHUT DOWN OIL QUANTITY CAME BACK TO 4.2 GALLONS. RESTARTEDSDR TWAA9614802Gearbox · crackedJFK - FLT 6751 - DURING CRUISE, SHUT DOWN NR 2 ENGINE, SN 4199, DUE TO LOSS OF OIL. FOUND ACCESSORY GEARBOX, MFG PN 746450-001, CRACKED AT HYDRAULIC PUMP DRIVE. REPLACED ACCESSORY GEARBOX THEN ENGINE OPERATION AND LEAK CHECKS NORMAL. ENGINE TOTAL TIME: 72,SDR P5CA9600972Pt2 Sensor · contaminatedNR 4 ENGINE HAD NO THRUST LEVER RESPONSE WHEN AIRCRAFT READY FOR TAKEOFF. CHECKED ENGINE CONTROL LINKAGE, ALL CHECKED GOOD. CHECKED PS4 LINE CHECKS GOOD. CHECKED PT2 SENSOR AND LINE CHECKED GOOD. APPLIED HEAT PER MAINTENANCE MANUAL 71-00-00 PAGE 262, RAN ESDR P5CA9600961Breather Tube · crackedCRACKED BREATHER TUBE DUCT ON NR 2 ENGINE INBOARD CORE COWL. WELD REPAIRED PER BAC 5975.SDR P5CA9600957Fan Blade · bentON PREFLIGHT, FOUND 5 DAMAGED 1ST STAGE FAN BLADES. BLENDED 2 BLADES PER MAINTENANCE MANUAL 72-31-02, REPLACED 3 BLADES AND MATCHED SET PER MAINTENANCE MANUAL 72-31-02.SDR 9623916601Prbc · malfunctionedAT TOP OF DESCENT, THE NR 4 ENGINE EXPERIENCED A MILD COMPRESSOR STALL. AS EGT STARTED TO CLIMB TO APPROXIMATELY 850 DEGREES, CREW FOLLOWED COM PROCEDURE, SHUT DOWN THE ENGINE AND ACCOMPLISHED A SUCCESSFUL RESTART AT FL240. FLIGHT CONTINUED TO NRT WITHOUT FUSDR 96UAL900852Carriage Assy · failedDURING SCHEDULED C-CHECK, THE FORE FLAP ATTACH CLEVIS LUG ON NR 4 TRAILING EDGE FORE FLAP SEQUENCE CARRIAGE UPPER SURFACE WAS DISCOVERED TO HAVE FAILED. PART FAILED. THE FLAP POSITION NR 4 FORE FLAP SEQUENCE CARRIAGE WAS REPLACED.SDR P5CA9600870Cooling Shroud · brokenCOOLING SHROUD BROKEN ON NR 2 ENGINE GENERATOR. REPLACED NR 2 ENGINE GENERATOR COOLING SHROUD PER BAC MM 75-21-02.SDR P5CA9600850S-Rail · crackedCRACKED S-RAIL NR 4 ENGINE AT 10 O'CLOCK POSITION. WELD REPAIRED STRESS RELIEVED AND FLAP PEENED PER PRATT AND WHITNEY MAINTENANCE MANUAL 72-53-01.SDR 96UAL900827Clamp · failedFIRE DETECTION FAULT B-LOOP ON NR 3 ENGINE, RECEIVED INTERMITTENT FIRE WARNING. *S/D* SUSPECT AIR LEAK AT PNEUMATIC DUCT CLAMP. REPLACED DUCT CLAMP, ADDITIONALLY REPLACED PRESSURE RELIEF VALVE AS PRECAUTIONARY.SDR P5CA9600825Turbine Case · crackedCRACKS IN R AND S RAILS AT 2 O'CLOCK POSITION. WELD REPAIRED AND STRESS RELIEVED PER PRATT AND WHITTNEY MAINTENANCE MANUAL 73-53-01, FLAP PEENED PER BOEING OVERHAUL MANUAL 20-10-03.SDR UPS96421341Pressure Switch · defectiveINSPECTION TYPE-N/A, PERFORMED PRECAUTIONARY SHUTDOWN OF NR 4 ENGINE DUE TO START VALVE LIGHT ILLUMINATION. REPLACED NR 4 START VALVE PRESSURE SWITCH.SDR P5CA9600777Rub Strip · missingMISSING NR 1 ENGINE FAN CASE RUB STRIP SECTIONS DUE TO BIRD STRIKE. REPAIRED PER BAC MM 72-31-04.SDR P5CA9600778Fan Exh Stators · damagedDAMAGED NR 1 ENGINE FAN EXHAUST STATORS DUE TO BIRD STRIKE. REPAIRED PER BAC MM 72-31-05.SDR P5CA9600779Fan Blades · damagedDAMAGED NR 1 ENGINE FAN BLADES DUE TO BIRD STRIKE. REPLACED OUT OF LIMIT BLADES AND BLENDED OTHER DAMAGED FAN BLADES PER BAC MM 72-31-02.SDR TWRA96328Engine · failedAFTER T/O 30 MINS IN FLT, WHILE CLIMBING THRU FL 350, LOST PWR ON NR 4 ENG. EGT DROPPED TO 480 DEG CELSIUS, N1 AND N2 APPROX 75 PERCENT, FUEL FLOW 300. NORMAL OIL PRESS WITH POSITIVE FUEL PRESS. ACCOMP UNSCHEDULED THRUST LOSS OR ABNORMAL RESPONSE TO THRUST SDR P5CA9600773R Rail · crackedNR 1 ENGINE 'R' RAIL IS CRACKED AT THE 7 O'CLOCK POSITION. WELDED, STRESS RELIEVED, AND PEENED IAW MM 72-53-01. PART TOTAL CYCLES, 15,294.SDR TWRA96322Engine · failedDURING CLIMB FLIGHT LEVEL 220, AIRCRAFT SHOOK AND LOUD BANG NR 1 ENGINE EGT WENT TO 905 DEGREES CELSIUS. THRUST LEVER RETARDED AND ENGINE SHUTDOWN PER INFLIGHT FAILURE. ACCOMPLISHED CONDITION INSPECTION PER MM 5-51-39, PHASE ONE PARAGRAPHS A AND B NR DEFECTSSDR UPS96421064Engine · failedINSPECTION TYPE N/A, NR FOUR ENG FAILED AFTER LIFTOFF, NO FIRE LIGHT. FIRE SHOT OUT OF INTAKE WITH MODERATE THUMP, COMP STALL. MAX T/O EGT 907 DEGREES, ENGINE SHUTDOWN CHECKLIST COMPLETED. REMOVED AND REPLACED NR 4 ENGINE PER TASK CARD AND MAINT MANUAL. ALSDR 96UAL900687Center Tube · wornDURING TIME CONTROLLED OVERHAUL WEAR WAS FOUND IN THE CENTER INFLATION TUBE AND SLIDING SURFACE. PATCHED TUBE AND SLIDING SURFACE PER VENDOR MANUALSDR CA960924033Flange · cracked(CAN) DURING FLIGHT THE #4 ENGINE OIL CONSUMPTION WAS OBSERVED. ENGINE WAS OPERATED AT REDUCED THRUST UNTIL OIL PRESSURE INDICATION WAS OBSERVED AND OIL QUANTITY AT 0.7 GALLONS.PRECAUTIONARY SHUTDOWN WAS CARRIED OUT. POST FLIGHT I NSPECTION FOUND A FLANGE CRACSDR 96ZZZX4909Guage · stickingFCO - FLT 840 - DURING CRUISE, NR 3 ENGINE, S/N 4198, FLAMED OUT. ACCOMPLISHED ENGINE SHUT-DOWN PROCEDURES. FOUND NR 3 FUEL QUANTITY GAUGE STICKING AND TANK EMPTY. CHECKED ENGINE OIL FILTERS AND CHIP DETECTORS. CHANGED FUEL FILTER. SERVICED NR 3 FUEL TANKSDR P5CA9600666Engine · over tempON TAKEOFF ROLL, NR 1 ENGINE ROLL REACHED 942 DEGREES FOR 2 SECONDS. ABORTED TAKEOFF, RETURNED TO GATE. ENGINE CHANGED PER BOEING MAINTENANCE MANUAL 71-00-02.SDR 96ZZZX4902Fuel Filter · contaminatedJFK - FLT 843 - DURING CRUISE, NR 1 ENGINE, S/N 4124, FLAMED OUT. IN-FLIGHT START WAS SUCCESSFUL. FOUND WATER IN FUEL FILTER. REPLACED FUEL FILTER, MFG P/N 210715, AND CHECKED FUEL TANKS FOR WATER. ENGINE OPERATION AND LEAK CHECK NORMAL. CHECK C-3 - 1-15-SDR 96UAL900649Door · not securedDURING CLIMBOUT, AIRCRAFT EXPERIENCED EXTREME VIBRATION AND ASSOCIATED LOW RUMBLING NOISE IN THE AREA OF L3 AND FORWARD LOWER GALLEY NOISE. DUMPED FUEL AND RETURNED TO MIA. INVESTIGATION REVEALED THAT LEFT HAND GROUND CONNECTION AC PANEL DOOR WAS MISSING. SDR 96ZZZM1316Pt2 Probe · malfunctionedON 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 96ZZZM1317Converter · malfunctionedON 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 START
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