Pratt & Whitney JT9D-7F

Service difficulty reports · 129

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 = 'JT9D7F'
  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.

SDR 95ZZZX6633Drain Elbow · leakingJFK - LOG PAGE F00707 - NR 4 ENGINE OIL QUANTITY INDICATOR STEADILY DROPPED TO APPROXIMATELY 1 GALLON, THEN PEGGED OFF. SHUT DOWN ENGINE DUE TO FLUX OIL PRESSURE AND UNKNOWN QUANTITY, MAXIMUM TEMPERATURE 110 DEGREES FOR 1 MINUTE, WINDMILLING PRESSURE, 14 PSI.Nov 25, 1995 · N482EV · Boeing 747212B · Turbine Engine Oil SystemSDR EIAA9562Carbon Seal · leakingJFK - LOG PAGE F00707 - NR 4 ENGINE OIL QUANTITY INDICATOR STEADILY DROPPED TO APPROXIMATELY 1 GALLON, THEN PEGGED OUT. SHUT DOWN ENGINE DUE TO FLUX OIL PRESSURE AND UNKNOWN QUANTITY, MAXIMUM TEMPERATURE 110 DEGREES FOR 1 MINUTE, WINDMILLING PRESSURE, 14 PSI.Nov 25, 1995 · N482EV · Boeing 747212B · Turbine Engine Accessory DriveSDR EIAA9555Engine · oil lossLAX - LOG PAGE: F 00729 - NR 2 ENGINE OIL QUANTITY DECREASED FROM .75 INCH TO .1850 INCH IN 2.50 HOURS, AT ONE-EIGHTH QUANTITY, REDUCED POWER TO IDLE. QUANTITY DECREASED TO ZERO AND ENGINE WAS SHUT DOWN. INSPECTED NR 2 ENGINE OIL FILTER AND CHIP DETECTORS PNov 5, 1995 · N479EV · Boeing 747132 · Engine (Turbine/Turboprop)SDR 9516916613Prbcv · malfunctionedDURING TOP OF DESCENT, THE NR 2 ENGINE EXPERIENCED A COMPRESSOR STALL WITH RISING EGT AND WAS SHUT DOWN. A RE-LIGHT WAS ACCOMPLISHED, BUT THE POWER LEVER COULD NOT BE ADVANCED WITHOUT THE COMPRESSOR STALLING. THE ENGINE WAS SHUT DOWN AGAIN DURING APPROACH ANOct 26, 1995 · N613US · Boeing 747251B · Compressor Bleed ValveSDR EIAA9547Engine · bird strikeJFK - LOG PAGE F03795 - AT ROTATION, LOUD BANG, NR 2 ENGINE STALLED, EGT 1,000, SUSPECTED BIRD STRIKE. DUMPED 37,000 POUNDS FUEL. RETURNED TO JFK. PERFORMED BIRD STRIKE AND OVERTEMP INSPECTIONS ON COMPRESSOR STAGE 1,2,3,4,5,7,9,15, AND TURBINE STAGE 1,2,3 POct 21, 1995 · N479EV · Boeing 747132 · Engine (Turbine/Turboprop)SDR EIAA9548Engine · damagedJFK - LOG PAGE F03797 - OUT OF 19,000 FEET, NR 2 ENGINE STALLED, EGT CLIMBED TO 920 DEGREES, RETARDED THROTTLE TO IDLE, EGT DECREASED TO 640 DEGREES, N1 29 PERCENT, N2 70 PERCENT. AFTER 2 MINUTES, EGT DECREASED TO 340 DEGREES, ENGINE OPERATION AT IDLE NORMAL.Oct 21, 1995 · N479EV · Boeing 747132 · Engine (Turbine/Turboprop)SDR EIAA9543Engine · damagedKHV - NR 3 ENGINE HAS EXCESSIVE NOISE AND VIBRATION AFTER ENGINE START. ON VISUAL INSPECTION FOUND FOD DAMAGE TO LP ROTOR AND STATOR VANES. FERRIED AIRCRAFT TO HKG. REMOVED AND REPLACED NR 3 ENGINE. (M)Sep 20, 1995 · N471EV · Boeing 747273C · Turbine SectionSDR EIAA9542Ps4 Line · crackedHNL - AT CURISE 31.0, EPR DROPPED FROM 1.37 TO 1.16, N1 DECREASED APPROXIMATELY 7 PERCENT, F/F DROPPED FROM 7000 LBS TO 4800 LBS N2, OIL PRESSURE, TEMPERATURE ALL NORMAL. EGT ROSE APPROXIMATELY 60 DEGREES. RETURNED TO HNL. FOUND CRACKED PS4 LINE AT BLEED COSep 18, 1995 · N471EV · Boeing 747273C · Fuel Controlling SystemSDR 9514036730Evc · malfunctionedDURING TAKEOFF, THE NR 1 ENGINE SLOW TO ACCELERATE WITH HIGH EGT AT 700 DEGREES. CREW FOLLOWED OPERATING MANUAL AND ABORTED TAKEOFF AT 40 KNOTS. MAINTENANCE REPLACED THE NR 1 ENGINE EVC, GROUND RUN TRIMMED, OPERATION AND LEAK CHECK TESTED NORMAL.Sep 9, 1995 · N630US · Boeing 7472J9F · Compressor Bleed ControlSDR 9513416717Engine · failedEN ROUTE IAH-LAX, THE NR 4 ENGINE WAS SHUTDOWN DUE TO OIL FILTER BYPASS LIGHT, RISING OIL TEMPERATURE AND DECREASING OIL QUANTITY. CREW FOLLOWED COCKPIT OPERATING MANUAL AND RETURNED FLIGHT TO IAH WITHOUT FURTHER INCIDENTS. MAINTENANCE REPLACED THE NR 4 ENGIAug 30, 1995 · N617US · Boeing 747251F · Engine (Turbine/Turboprop)SDR 9511546716Connector · contaminatedDURING CRUISE, THE NR 4 ENGINE FIRE WARNING LIGHT ILLUMINATED AND BOTH TEMPERATURE LOOPS WERE READING FULL SCALE. THE ENGINE WAS SHUT DOWN. THE LEFT FIRE BOTTLE WAS DISCHARGED AND THE FLIGHT CONTINUED TO NRT WHERE AN UNEVENTFUL THREE ENGINE LANDING WAS ACCOMPJul 28, 1995 · N616US · Boeing 747251F · Fire DetectionSDR 9511376719Engine · failedDURING TAKEOFF, THE NR 4 ENGINE EGT WENT TO 950 DEGREES. WHEN POWER WAS REDUCED TO 1.46 EPR, THE EGT REMAINED AT 950 DEGREES. DURING CRUISE, THE NR 4 EGT READ 60 DEGREES HIGHER THAN THE OTHER ENGINES. THE AIRCRAFT DIVERTED TO MSP WHERE AN UNEVENTFUL LANDINGJul 26, 1995 · N619US · Boeing 747251F · Engine (Turbine/Turboprop)SDR 9511386614Compressor · stalledDURING TAKEOFF ROTATION, THE NR 3 ENGINE EXPERIENCED A COMPRESSOR STALL WITH THE EGT GOING TO MAX AND THE ENGINE WAS SHUTDOWN. DUMPED 100,000 LBS OF FUEL AND THE AIRCRAFT RETURNED TO MSP WHERE AN UNEVENTFUL THREE ENGINE LANDING WAS ACCOMPLISHED. THE ENGINE WJul 26, 1995 · N614US · Boeing 747251B · Turbine Engine Compressor SectionSDR P5CA9500202Engine · failedON CLIMBOUT FROM HKG PASSING THROUGH FL 230, NR 4 ENGINE SURGED WITH EGT GOING TO 940 C, ALL PARAMATERS INDICATED FAILED ENGINE. SECURED ENGINE AS PER EMERGENCY CHECK LIST. ON GROUND INSPECTION FOUND METAL IN TAIL PIPE. ENGINE REPLACED.Jul 4, 1995 · N857FT · Boeing 747132 · Engine (Turbine/Turboprop)SDR 9510226729Compressor · stalledDURING LANDING, THE NR 1 ENGINE COMPRESSOR STALLED DURING REVERSE. THE EGT SPIKED TO 850 DEGREES CELSIUS AND THE ENGINE WAS SHUTDOWN. THE ENGINE AND REVERSER WERE RUN AT GATE AND BOTH CHECKED OK.Jul 2, 1995 · N629U · Boeing 747251F · Turbine Engine Compressor SectionSDR P5CA9500151Engine · failedDURING CLIMBOUT FROM SEA, PASSING 10,000 FEET ALTITUDE, NR 3 ENGINE OIL PRESSURE WENT O, NR 3 ENGINE OIL PRESSURE LIGHT AND NR 3 ENGINE FILTER BYPASS LIGHT ILLUMINATED. SHUTDOWN ENGINE IAW IN FLIGHT ENGINE CHECK LIST. ON GROUND RUN, OIL RUNNING FROM ENGINE NJun 29, 1995 · N850FT · Boeing 747122 · Turbine Engine Oil SystemSDR 9508666719Compressor · stalledDURING CLIMB 200 FEET GSL, THE NR 4 ENGINE N1 WENT TO MAX SPEED FOLLOWED BY A LOUD BANG AND COMPRESSOR STALL. THE ENGINE WAS SHUT DOWN, 129,000 POUNDS OF FUEL WAS DUMPED, AND THE AIRCRAFT RETURNED TO ANC WHERE AN UNEVENTFUL THREE ENGINE LANDING WAS ACCOMPLISHMay 26, 1995 · N619US · Boeing 747251F · Turbine Engine Compressor SectionSDR 9507406614Packing · cutDURING CRUISE, THE NR 2 ENGINE OIL QUANTITY DROPPED TO ZERO. THE ENGINE WAS SHUTDOWN, 90,000 LBS OF FUEL WAS DUMPED, AND THE AIRCRAFT DIVERTED TO ANC WHERE AN UNEVENTFUL THREE ENGINE LANDING WAS ACCOMPLISHED. A DAMAGED PACKING WAS REPLACED ON THE ANGLE GEARBMay 6, 1995 · N614US · Boeing 747251B · Turbine Engine Accessory DriveSDR EIAA9512Compressor · stalledJFK - ON DESCENT NR 1 ENGINE COMPRESSOR STALLED, FLT LEVEL 390 STALL OCCURRED IN CONJUNCTION WITH HIGH STAGE VALVE OPENING. MAXIMUM TEMPERATURE 500 DEGREES. ENGINE SHUTDOWN AND RESTARTED.Apr 4, 1995 · N472EV · Boeing 747131 · Turbine Engine Compressor SectionSDR EIAA9509Compressor · stalledNR 1 ENG COMPRESSOR STALLS DURING INITIAL DESCENT, DOES NOT RESPOND TO THROTTLE MOVEMENT. ENG SHUTDOWN. EGT AROUND 810 DEGREES WITH THROTTLE AT IDLE. ATTEMPTED ENG START ABOVE FL 200 STALL DID NOT CLEAR. BELOW FL 200 ENG STARTED. ALL PARAMETERS WERE NORM.Apr 3, 1995 · N472EV · Boeing 747131 · Turbine Engine Compressor SectionSDR EIAA9511Compressor · stalledNR 1 ENG COMPRESSOR STALLS DURING INITIAL DESCENT, DOES NOT RESPOND TO THROTTLE MOVEMENT. ENG SHUTDOWN, EGT AROUND 810 DEGREES WITH THROTTLE AT IDLE. ATTEMPTED ENG START ABOVE FL 200 STALL DID NOT CLEAR. BELOW FL 200 ENG STARTED. ALL PARAMETERS WERE NORM. Apr 3, 1995 · N472EV · Boeing 747131 · Turbine Engine Compressor SectionSDR 9504376614Oil Bypass Light · illuminatedDURING CRUISE, THE NR 3 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED. POWER WAS REDUCED TO FLIGHT IDLE AND THE LIGHT EXTINGUISHED. 2,000 LBS OF FUEL WAS DUMPED AND THE AIRCAFT DIVERTED TO ANC WHERE AN UNEVENTFUL LANDING WAS ACCOMPLISHED. NO CONTAMINATION WAS Mar 17, 1995 · N614US · Boeing 747251B · Engine Oil Indicating SystemSDR EIAA9510Engine · malfunctionedDURING DESCENT ENG 'ROLLED BACK' AND STAGNATED. FUEL FLOW WAS NORM, HIGH EGT, LOW N1 AND N2 WITH NO RESPONSE WITH THROTTLE. INFLIGHT SHUTDOWN CHECKLIST AND INFLIGHT START CHECKLIST WITH ENG OPERATING NORM. (EGT 805 DEGREES, EPR .80, N1 24 PERCENT, N2 48 PERMar 11, 1995 · N472EV · Boeing 747131 · Engine (Turbine/Turboprop)SDR 9503596611Oil Filter · cloggedDURING CRUISE NR 2 ENGINE OIL FILTER CLOG LIGHT ILLUMINATED. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT DIVERTED TO ANC WHERE AN UNEVENTFUL THREE ENGINE LANDING WAS MADE. NO FUEL WAS DUMPED. DEBRIS WAS FOUND IN THE MAIN OIL FILTER. THE FILTER WAS REPLACED ANMar 6, 1995 · N611US · Boeing 747251B · Turbine Engine Oil SystemSDR 9506596611Oil Filter · dirtyDURING CRUISE, NR 2 ENGINE OIL FILTER CLOG LIGHT ILLUMINATED. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT DIVERTED TO ANCWHERE AN UNEVENTFUL THREE ENGINE LANDING WAS MADE. NO FUELWAS DUMPED. DEBRIS WAS FOUND IN THE MAIN OIL FILTER. THE FILTER WAS REPLACED ANDMar 6, 1995 · N611US · Boeing 747251B · Turbine Engine Oil SystemSDR 9502296614Compressor · stalledDURING TAXIOUT (AMS), THE NR 3 ENGINE EXPERIENCED A COMPRESSOR STALL WITH HIGH EGT, LOSS OF OIL PRESSURE, AND SMOKE WAS REPORTED COMING FROM THE TAILPIPE. THE FIRE HANDLE WAS PULLED AND THE BOTTLES WERE DISCHARGED. A BOROSCOPE AND INSPECTION OF THE ENGINE CHFeb 12, 1995 · N614US · Boeing 747251B · Turbine Engine Compressor SectionSDR 9501606718Tr Unit · malfunctionedDURING LANDING WHILE IN REVERSE THRUST, THE NR 1 ENGINE EXPERIENCED AN OVERTEMP OF 950 DEGREES FOR 20 SECONDS AND THE LOW OIL PRESSURE LIGHT CAME ON. THE REVERSER WOULD NOT STOW AND THE ENGINE WAS SHUTDOWN WHILE ON THE TAXIWAY. THE ENGINE WAS INSPECTED AND AJan 27, 1995 · N618US · Boeing 747251F · Engine Thrust ReverserSDR 9501396718Tr Unit · malfunctionedDURING LANDING, THE NR 1 ENGINE REVERSER WOULD NOT COME OUT OF FULL REVERSE TO THE STOWED POSITION AND THE ENGINE WAS SHUT DOWN WHILE ON THE RUNWAY. A GROUND RUN-UP WAS ACCOMPLISHED AND PROPER REVERSER OPERATION WAS CONFIRMED BY ITS OPERATION THROUGH SEVERAL Jan 24, 1995 · N618US · Boeing 747251F · Engine Thrust ReverserSDR 9500256614Compressor · stalledDURING INITIAL POWER APPLICATION FOR TAKEOFF WITH 14-26 KT WIND, THE NR 3 ENGINE EXPERIENCED A COMPRESSOR STALL WITH RISING EGT AND WAS SHUT DOWN. THE ENGINE AND MAGNETIC SUMP PLUGS WERE INSPECTED AND A GROUND RUN-UP CONFIRMED PROPER ENGINE OPERATION. A BOREJan 8, 1995 · N614US · Boeing 747251B · Turbine Engine Compressor Section
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