Pratt & Whitney JT9D-7Q
Service difficulty reports · 258
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 = 'JT9D7Q' 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 = 'JT9D7Q' 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 P5CA0300895Actuator · malfunctionedNR 2 ENGINE FAILED TO START (NO FUEL) AFTER SECOND ATTEMPT. PRESSURE CHECKED FUEL PUMP IAW MM 71-00-00. REMOVED FUEL CONDITION ACTUATOR CHECKED SHAFT. REINSTALLED FUEL CONDITION ACTUATOR ENG RUN/ OPS CKSDR P5CA0300894Connector · dirtyNR 2 ENG WILL NOT START. NO FUEL FLOW. NR 2 ENG FUEL CONDITION ACTUATOR PLUG CLEANED AND RESECURED. ACTUATOR EXERCISED. ENG START SATIS. SUSPECT WIRING TO FUEL CONDITION ACTUATOR.SDR P5CA0300896Coupling · shearedNR N2 INDICATION ON NR 3 ENGINE, DURING START - ENGINE DID NOT START PYLON AND START VALVE LIGHTS SHOW AIR PRESS TO STARTER BUT NO ROTATION. REMOVED AND REPLACED PNUEMATIC STARTER ALSO COUPLING WAS SHEARED.SDR P5CA0300859Engine · leakingENGINE START NR 4 ENGINE HAS OIL LEAKING INTO TAILPIPE NR 4 FROM BEARING COMPARTMENT. REPLACED NR 4 ENGINE.SDR UPS03440287Engine · overheatedNR 2 ENGINE TEMPERATURE 1100 DEGREES. NR 2 ENGINE SHUT DOWN, EMERGENCY DECLARED.SDR P5CA0300726Engine · failedAT TOP OF CLIMB 37.0, NR 2 ENG FAILED WITH NO APPARENT CAUSE. TRIED RAPID RELIGHT, NO START. CHECKED ENG INTAKE AND EXHAUST AREA, OK. PERFORMED ENG OIL FILTER AND ALL MAGNETIC PLUGS, OK PER MM 72-00-00. ALSO HI-PWR CHECKS OK BY CREW IAW GMM 6-18-3. PERFORSDR 0203876743Sensor · malfunctionedDURING TAKE-OFF ROLL, THE NR 3 ENGINE WOULD NOT REACH THE TARGET EPR OF 1.58. MAXIMUM EPR INDICATED ON THE NR 3 ENGINE WAS 1.47 WITH THE POWER LEVER AT THE FORWARD STOP. THE TAKE-OFF WAS ABORTED AT 100 KNOTS. MAINTENANCE INSPECTED THE PT7 LINE FOR LEAKS WITHSDR UPS02439437Plug · looseINSPECTION TYPE:N/A AIR TURNBACK ENG FIRE NR 3 ENGINE. FOUND BORESCOPE PLUG AT 2 O'CLOCK POSITION ON DIFFUSER CASE LOOSE. REINSTALLED PLUG AND SAFETIED IAW 72-00-00. RAN NR 3 ENGINE WITH NO RISE IN TEMP. A/C RETURNED TO SERVICE.SDR P5CA0200698Gearbox · failedSHORTLY AFTER T/O, #1 ENG. LOW OIL PRESSURE LIGHT ILLUMINATED. OIL PRESSURE DROPPED TO 10psi & WAS STEADY; OIL QTY SHOWED FULL & WAS STEADY. PERFORMED LOSS OF OIL PRESSURE PROCEDURE IAW AFM. COULD NOT RESTORE ENG. OIL PRESSURE OR EXTINGUISH LIGHT, THEREFORESDR P5CA0200689Shroud · crackedCRACKS FOUND ON NR 1 ENG TURBINE COOLING SHROUD AT 8 & 2 O'CLOCK POSITIONS. RT (2 CRACKS) NR 1 IS 5 INCHES LONG & NR 2 IS 2 INCHES LONG. LT (4 CRACKS) NR 1 IS 3 INCHES LONG, NR 2 IS 5 INCHES LONG, NR 3 IS 1.5 INCH LONG & NR 4 IS 1.5 INCH LONG. ALSO BRACKET SDR P5CA0200683Web · crackedTHREE CRACKS FOUND ON NR 3 ENG PYLON, AFT ENGINE MOUNT BULKHEAD FRAME, VERTICAL WEB STATION 221.9. (1. CRACK ON FRONT OF OUTBOARD WEB, 2 INCHES LONG. 2. CRACK ON FRONT OUTBOARD WEB, 1 INCH LONG. 3. CRACK ON FRONT OUTBOARD WEB, 3 INCHES LONG). BULKHEAD LOWERSDR P5CA0200682Web · crackedFOUR CRACKS FOUND ON NR 2 ENG PYLON, AFT ENGINE MOUNT BULKHEAD FRAME, VERTICAL WEB STATION 221.9. (1. CRACK ON FRONT OUTBOARD WEB, 3 INCHES LONG. 2. CRACK ON FRONT OUTBOARD WEB, 1 INCH LONG. 3. CRACK ON FRONT INBOARD WEB, 3.5 INCH LONG. 4. CRACK ON FRONT OUSDR P5CA0200681Web · crackedCRACK 8 INCHES LONG FOUND NR 2 ENG PYLON FORWARD LOWER SPAR FLOOR WEB AT STA 270, MID SPAR (PANEL 452CL). COMPLETED REPAIRS IAW BOEING REPAIR SCHEME DWGS PAO-LGB-02-00056F, 55F, 54H, 53F & 52H.SDR P5CA0200679Mount · wornNR 2 ENG AFT UPPER ENG MOUNT BENT ON ALIGNMENT HOLE, MOUNT ASSY WORN. REMOVED & REPLACED AFT ENG MOUNT IAW MM 71-21-03.SDR P5CA0200680Mount · corrodedLEVEL 1 CORROSION FOUND ON ENG UPPER REAR MOUNT BULKHEAD FITTING LOWER LUGS WHILE REMOVING NR 2 ENG REAR UPPER MOUNT FOR REPAIRS. ACCOMPLISHED SB 747-54A2200. COATED MOUNT W/ BMS 14-4, TYPE 2. COATING IAW 747-A2200 SERMATECH ENGINEERING BULLETIN 249.SDR P5CA0200677Ground Wire · brokenNR 2 ENGINE PYLON HYD S/O VALVE GROUND WIRES, PYLON STA 270, BROKEN. REPAIRED GROUND WIRES IAW SWP 20-11-15.SDR UPS02438377Engine · malfunctionedINSPECTION TYPE:N/A ATB NR 2 ENG OVERTEMP, VIBRATION (IFSD) CREW DECLARED EMERGENCY. REMOVED AND REPLACED NR 2 ENGINE IAW TC NO 5000 LEAK AND OPS CHECK NORMAL.SDR P5CA0200674Indicator · faultyNR 3 ENG START VALVE OPEN LIGHT CAME ON AFTER TAKEOFF AT 8,000 FT. SHUT DOWN NR 3 ENG, LIGHT WENT OUT AFTER SHUT DOWN AT APPROX 3,000 FT. TROUBLESHOT SYSTEM AND FOUND LIGHT INDICATION SYSTEM AT FAULT.SDR UPS02438114Engine · leakingINSPECTION TYPE:N/A FSA ITEM H22303 SMOKE IN COCKPIT. REMOVED AND REPLACED NR 1 ENGINE AS PER UPS TC5000 AND WAN 678705.SDR P5CA0200671Seal · burnedNR 4 ENGINE 1ST STAGE TURBINE OUTER AIR SEAL HAS 2 INCH BURN THROUGH. ENGINE TO BE REMOVED FROM SERVICE IN 60 HRS PER MM 72-00-00, PAGE 680N, TABLE 6.SDR S02279011PowerplantB18753 1.DURING O/N CHECK FOUND #2 ENG OIL SYS CONTAMINATED BY FUEL. 2.CHECK OIL TANK HAVE STRONG FUEL SMELL.C/A:1.RPLD FUEL/OIL COOLER IAW MM 79-21-01. 2.PERFORM M.C.D AND OIL FILTER CHECK NML, OIL FILTER RPLD. 3.PERFORM OIL SYS. FLUSH. ENG RUN UP CHECK NML.SDR P5CA0200627Control Unit · out of rigNR 3 ENG WOULD NOT ACHIEVE T/O THRUST. 1.58 MAX PWR WAS APPLIED, THRUST LEVER WAS MOVED TO FIREWALL THRUST W/ MAX EPR OF 1.38. OTHER PARAMETERS NORMAL WHEN ASSOCIATED W/ & EPR SETTING OF 1.38 ENG RUN TO MAX POWER FOR OPS CK INTO WIND (250/11). ENG SLOW TO RSDR P5CA0200623Switch · malfunctioned#3 ENGINE OIL PRESSURE LITE ON PILOT'S FWD ANNUNCIATOR PANEL ILLUMINATED. ALT PROCEDURES CHECK LIST ACCOMPLISHED - OIL PRESS, QUANTITY NORMAL - FILTER BYPASS LIGHT EXTINGUISHED. REMOVED & REPLACED LOW OIL PRESS SWITCH PER MM 79-33-01. PERFORMED WINDMILL INSPSDR UPS01437379Engine · flamed outINSPECTION TYPE:N/A PILOT REPORT NR 1 AND NR 2 ENGINE FLAME-OUT. INGN FUEL AND OIL SYS CK PER MM AND ENGINEERING OPRN NORMAL.SDR S01257036Jackscrew · fracturedB-18755 GRD CHK FOUND # 2 FLAP TRACK JACKSCREW FITTING BROKEN.C/A:1.ISSUED REVISION OF EO 740-57-50-0004 TO PERFORM THE REPLACEMENT/OVERHAUL IN LIEU OF INSPECTION. 2.ISSUED THE EON 57-632472-002 TO DETECT THE CORROSION AND CRACK TO AIRPLANES THAT FITTINGS REPLSDR S01232034Landing GearB18753 AFT ALL LDG RETRACTED & DOORS CLOSED, FWD INST PNL GEAR & DOOR OPEN RED LITE KEPT ILLUM WITH GEAR LEVER IN UP OR OFF POS. ALL DOORS WERE CONFIRMED CLOSED.C/A:1.BOTH PRI & ALT LDG LOG CONT MODULES, NLG LOCK SNSR S397, & PROX SNSR S396 WERE RPLC, THUS FIXSDR UPS01436854Fuel Line · chafedINSPECTION TYPE:N/A NR 4 ENGINE HAS FUEL LEAK - TUBES TAGGED - CHAFED WITH ANOTHER TUBE. REMOVED TWO CHAFED LINES KLS 82050 INSTALLED SERVICEABLE FUEL SIGNAL TUBE ASSY AND INSTALLED SERVICEABLE DRAIN TUBE ASSY PER AMM 30-10-10 LEAK CHECK GOOD.SDR S01232030Landing GearB18753 DURING INITIAL T/O ROLLING, GEAR NOT CENTER IT & LH BODY GEAR UNLOCK IT ILLUM.INITAL ACTION:CHK LH BLG FND LH STRN ACT ROD END SEPARATED FROM ACT BODY, THIS ACT WAS RPLD AND FUNC CHK NML.C/A:1.ONE-TIME INSP:EON 742-32-634053-0005 & EON 744-32-631014-000SDR 0102036642Engine · flamed outWHILE IN CRUISE AT FL370, THE NR 4 ENGINE FLAMED OUT. THE CREW FOLLOWED COM PROCEDURES AND RESTARTED THE ENGINE SUCCESSFULLY AT FL280. ENGINE OPERATION WAS NORMAL FOR THE REMAINDER OF THE FLIGHT. MAINTENANCE INSPECTED THE ENGINE AND PERFORMED AN ENGINE RUN SDR S01224017Generator · damagedB-18755 AIRCRAFT AIR TURN BACK BECAUSE NO.4 BTB COULD NOT CLOSE WITH GEN OPEN LT ILLUM.GEN ABNORMAL CSD DISCONNECTED.C/A:1.GCU SWAPPED WITH #1,FOUND #4 FAILED. 2.SHOP AND QA INSPECTED THE GCU,AND REPORTED THAT THERE WERE MOISTURE IN THE GCU. 3.THE REST OF GCU SDR 0101026634Fuel Control · failedWHILE IN CRUISE, THE NR 4 ENGINE FLAMED OUT. ALL ENGINE PARAMETERS ROLLED BACK WITH FUEL FLOW INDICATING ZERO. AFTER DESCENDING TO FL280, TWO RESTART ATTEMPTS WERE MADE, BOTH UNSUCCESSFUL. THE FLIGHT DIVERTED TO ANC AND LANDED WITHOUT INCIDENT. MAINTENANCE SDR P5CA0100466Fire Warning · activatedNR 2 ENG FIRE DET LIGHT AND FAULT LIGHT CAME ON A-LOOP WITH A FIRE WARNING. ENGINE SHUT DOWN AND BOTTLE FIRED. REPLACED NR 2 LFT FIRE BOTTLE. P/N ON 33603903P, S/N M2621SDR 0003136622Gearbox · seizedWHILE IN CRUISE FLIGHT AT FL310, THE NR 1 ENGINE FLAMED OUT. A RESTART ATTEMPT WAS UNSUCCESSFUL AND THE FLIGHT DIVERTED TO NRT AFTER DUMPING 60,000 LBS OF FUEL. THE LANDING WAS WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE AND FOUND THE ACCESSORY GEARBSDR 20000919SH015Duct · brokenNR 3 ENGINE FIRE WARNING ON TAKEOFF. BOTTLE DISCHARGED. ENGINE SHUT DOWN. AIRCRAFT RETURNED TO AKL. FOUND BROKEN 8TH STAGE ANTI-ICE DUCT THROTTLE CABLE MELTED AND JUMBLED. WIRE BUNDLES MELTED, ENGINE CHANGED. OPERATOR: POLAR AIR CARGO AKL TO KHG. (X)SDR UPS00433436Fcu · leakingINSPECTION TYPE:N/A, NR 4 ENG FUEL LEAK. *S/D* FOUND FUEL LEAKING BETWEEN FCU AND FUEL PUMP. REMOVED FCU, REPLACED O-RINGS AND RE-INSTALLED FCU IAW 73-21-01.SDR 0002406628Engine · stalledAT APPROXIMATELY 105 KTS DURING TAKEOFF ROLL, THE NR 1 ENGINE AUDIBLY COMPRESSOR STALLED. THE ENGINE WAS SHUT DOWN AND THE TAKEOFF WAS ABORTED. THE AIRCRAFT RETURNED TO THE GATE WHERE MAINTENANCE INSPECTED THE ENGINE FINDING METAL DEBRIS IN THE TAILPIPE AND SDR 0000936740Duct · failedDURING INITIAL CLIMB, THE NR 3 ENGINE EPR DECREASED FOLLOWED BY THE FIRE WARNING FOR NR 3 ENGINE. THE ENGINE WAS SHUT DOWN AND THE FIRE BOTTLE DISCHARGED. AFTER DUMPING FUEL, THE FLIGHT RETURNED TO NRT AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE SDR UPS00431268Fire Bottle · dischargedBOTTLE SQUIB TEST INOP. REMOVED AND REPLAECD ENG FIRE BOTTLE, ACCOMPLISHED CK OF SQUIB IAW MM 26-20. OP CK OK. THIS CLEARS MEL M184995.SDR 9903546624Valve · malfunctionedDURING TAKEOFF ROLL, THE NR 1 ENGINE WAS UNABLE TO OBTAIN TAKEOFF EPR WITH THE POWER LEVER AT THE MECHANICAL STOP. THE TAKEOFF WAS ABORTED AT APPROXIMATELY 120 KTS. THE AIRCRAFT THEN RETURNED TO THE GATE. MAINTENANCE INSPECTED THE ENGINE AND FOUND THE NR 1 SDR 9903196635Engine · flamed outAFTER ENTERING MODERATE TURBULENCE WITH PRECIPITATION, THE AUTO THROTTLES DISCONNECTED AND THE CREW OBSERVED LOW EGT ON THE NR 3 ENGINE. THE ENGINE FLAMEOUT PROCEDURE WAS FOLLOWED AND THE FIRST RESTART ATTEMPT WAS SUCCESSFUL. ENGINE OPERATION FOR THE REMAINDSDR TWRA9903Engine · failedJFK/SFO - FLT 23 - ATB DUE AT 13,500 FEET. FELT VIBRATION IN AIRCRAFT. INITIALLY, ALL PARAMETERS NORMAL. A FEW SECONDS LATER, CAPTAIN CALLED, LOSING NR 1 ENGINE, NR 1 EGT STARTED CLIMBING AND VIBRATION INCREASED. NR 1 ENGINE WAS SHUT DOWN IAW ENGINE FIRE, SDR 99ZZZX1163Bearing · failedENGINE IN-FLIGHT SHUTDOWN AND REMOVAL 1-17-99 DUE VIBRATION/FIRE WARNING. DISASSEMBLY INSPECTION DISCLOSED EXTENSIVE FIRE DAMAGE SEEMING TO ORIGINATE IN THE NR 3 BEARING AREA WITH EXTENSIVE SECONDARY DAMAGE. FAILED MATERIAL WILL BE FORWARDED TO PRATT & WHITNESDR 9810566628Engine · flamed outAT TOP OF DESCENT FROM FL410, THE NR 2 ENGINE FLAMED OUT. THE DESCENT CONTINUED TO FL260 WHEN THE ENGINE WAS RESTARTED. ENGINE OPERATION WAS NORMAL FOR THE REMAINDER OF THE FLIGHT. MAINTENANCE INSPECTED THE ENGINE PER FIM 71-01-00, PG 209 WITH NO DEFECTS NOSDR 9809726624Compressor · stalledWHILE CLIMBING THROUGH 1400 FEET AGL, THE NR 4 ENGINE AUDIBLY COMPRESSOR STALLED AND FLAMED OUT. THE CREW SECURED THE ENGINE, DUMPED FUEL, RETURNED TO MSP, AND LANDED WITHOUT INCIDENT. THE NR 4 ENGINE WAS CHANGED. EXACT PART CAUSING PROBLEM TO BE DETERMINEDSDR 9809706642Engine · failedWHILE CLIMBING PAST FL320 (AMS), THE NR 4 ENGINE EPR AND FUEL FLOW INDICATIONS BEGAN TO FLUCTUATE WITH EGT RISING INTO THE CAUTION RANGE. THE ENGINE WAS SHUT DOWN, FUEL WAS DUMPED, AND THE AIRCRAFT RETURNED TO AMS AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WASDR 9809066635Control Cable · failedUPON APPLICATION OF TAKEOFF POWER, THE CREW NOTICED NO RESPONSE FROM THE NR 3 ENGINE WITH POWER LEVER MOVEMENT. TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE STRUT AREA PUSH/PULL CABLE AND CONTROL BOX. ENGINE RUN WAS NOSDR 9803706635Engine · malfunctionedAFTER A NORMAL START OF THE NR 2 ENGINE AND WHEN STARTING THE NR 3 ENGINE, APPROXIMATELY 2 MINUTES LATER, THE NR 2 ENGINE EGT ROSE TO 550C WITH BOTH N1 AND N2 DECREASING. THE ENGINE WAS SHUT DOWN. GROUND PERSONNEL REPORTED SOME TORCHING VISIBLE FROM THE NR 2SDR 9802736642Coupling Screw · brokenAT START OF TAKEOFF ROLL, THE NR 4 ENGINE DID NOT ACCELERATE OR RESPOND TO POWER LEVER INPUTS. THE TAKEOFF WAS ABORTED AND RETURNED TO THE GATE. MAINTENANCE FOUND A BROKEN COUPLING SCREW IN THE STRUT AREA. REPLACED THE SCREW AND A FUNCTIONAL TEST OF THE THRSDR 9802586642Control Cable · disconnectedON TAKEOFF ROLL (PEK), THE NR 4 ENGINE DID NOT RESPOND TO POWER LEVER MOVEMENT AND THE TAKEOFF WAS ABORTED. MAINTENANCE FOUND THE POWER LEVER PUSH/PULL CABLE DISCONNECTED AT THE CABLE DRUM IN THE STRUT AREA. REPLACED THE CABLE DRUM. OPERATIONAL CHECK NORMALSDR P5CA9800045Sleeve · damagedNR 1 ENGINE FAN REVERSER SLEEVE DAMAGED AT THE 5 O'CLOCK POSITION. REPAIRED AS PER SRM 54-30-03.
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