Pratt & Whitney JT9D-7A

Service difficulty reports · 593

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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.

SDR TWRA9542Vane Control · malfunctionedDURING CRUISE AT FL 35.0, NR 1 ENGINE FLAMED OUT UNABLE TO RESTART DESCENDED TO 24,000 FEET RESTARTED ENGINE. NO ENGINE RESPONSE TO THRUST LEVER MOVEMENT SHUT DOWN ENGINE RETURNED TO JFK. FOUND NR 1 ENGINE EVC AT FAULT. REMOVED AND REPLACED EVC, OPS CHECK NJul 27, 1995 · N608FF · Boeing 747131 · Compressor Bleed ControlSDR EIAA9535Engine · flamed outMNL - NR 3 ENGINE FLAMED OUT FL 390 IN TURBULENCE AND HEAVY RAIN, FUEL TEMP 5 DEGREES CELSIUS, EPR 1.40 LGN NR 2 ON SMALL ACC TAT-23M .89 IAS 261, ANTI-ICE ON RELIGHT EGT TO PLUS 1000 DEGREES FOR TWO SECONDS. ECRA 662274-72-001 REVISION A ACCOMPLISHED. NO DEJul 26, 1995 · N481EV · Boeing 747132 · Engine (Turbine/Turboprop)SDR 9511176601Engine · flamed-outDURING CRUISE, THE NR 4 ENGINE FLAMED-OUT. RELIGHT WAS OK AND THE REMAINDER OF THE FLIGHT WAS UNEVENTFUL. FUEL PRESSURE CHECKED OK AND THE FUEL FILTER WAS REPLACED. GROUND RUNUP CONFIRMED PROPER ENGINE OPERATION.Jul 24, 1995 · N601US · Boeing 747151 · Engine (Turbine/Turboprop)SDR 95UAL900047Oil Qty · droppedAFTER REACHING CRUISE ALT NR 4 ENG OIL QTY DROPPED TO JUST ABOVE 1 GAL ON IND, ALL OTHER IND OK. OIL QTY SLOWLY DECREASED TO ZERO AT 5 AND ONE HALF HOURS INTO FLT, THEN PRESS FLUCT. AT 8 HRS, LOW OIL PRESS LIGHT ON, ENGINE SHUTDOWN.Jul 21, 1995 · N154UA · Boeing 747123 · Turbine Engine Oil SystemSDR 95UAL900083Carbon Seal · chippedAFTER REACHING CRUISE ALT NR 4 ENG OIL QTY DROPPED TO JUST ABOVE 1 GAL ON IND, ALL OTHER IND OK. OIL QTY SLOWLY DECREASED TO ZERO AT 5.5 HOURS INTO FLT, THEN PRESS FLUCT, AT 8 HRS LOW OIL PRESS LIGHT CAME ON AND ENGINE SHUTDOWN. CSD CARBON SEAL LOCATED ON THJul 21, 1995 · N154UA · Boeing 747123 · Turbine Engine Accessory DriveSDR P5CA9500471Engine · failedDURING POST EVC, FUEL PUMP AND FUEL CONTROL CHANGE RUNUP ENGINE STALLED AT 1.41 EPR WITH RAPID EGT RISE, ENGINE SHUTDOWN. GROUND REPORTED FIRE IN TAIL PIPE. MOTORED ENGINE, FIRE PUT OUT. FOUND METAL IN TAIL PIPE. ENGINE TO BE CHANGEDJul 19, 1995 · N850FT · Boeing 747122 · Engine (Turbine/Turboprop)SDR P5CA9500451Gear Box · frozenA/C PUSHED OUT FOR ENGINE START, NR 4 ENGINE WOULD NOT START. FOUND THAT GEAR BOX WOULD NOT TURN. ENGINE REPLACED.Jul 16, 1995 · N857FT · Boeing 747132 · Turbine Engine Accessory DriveSDR 95UAL900040Tube · failedSLIDE HAS POROSITY ON BOTH LT AND RT UPPER TOP TUBES, ASPIRATOR TUBE AREAS, AND ON THE ASPIRATOR TUBE SLEEVE. SCRAPPED SLIDE.Jul 13, 1995 · N4718U · Boeing 747122 · Escape SlideSDR 95UAL900037Tube · failedSLIDE RAFT WAS FOUND TO HAVE POROSITY ON BOTH THE RT AND LT UPPER TOP TUBES AND IN BOTH ASPIRATOR TUBE AREAS. SCRAPPED SLIDE.Jul 12, 1995 · N4735U · Boeing 747122 · Life RaftSDR 95UAL900038Tube · failedSLIDE RAFT WAS FOUND TO HAVE POROSITY ON THE LT BOTTOM TUBE, CROSS OVER TUBE, AND ON THE CENTER TUBE. IN ADDITION, SLIDE/RAFT HAS SEAM LEAKS ON THE RT AND LT SIDE TUBES. SCRAPPED SLIDE.Jul 12, 1995 · N154UA · Boeing 747123 · Life RaftSDR 95UAL900035Smoke Det · malfunctionedFORWARD LOWER CARGO FIRE WARNING LIGHT CAME ON DURING FLIGHT. NO EVIDENCE OF FIRE. REPLACED SMOKE DETECTOR. FOUND GROUND WIRE BROKEN AT PC BOARD GOING TO CONNECTOR PIN 5.Jul 5, 1995 · N4729U · Boeing 747122 · Smoke DetectionSDR P5CA9500667Turbine Case · crackedENGINE NR 2 S-FLANGE AT 2 O'CLOCK IS CRACKED IN TWO PLACES ONE ON THE OD AND ONE FROM RAIL TO CASE OF TURBINE. REPAIRED PER 72-53-01Jul 3, 1995 · N831FT · Boeing 747121 · Turbine Engine Combustion SectionSDR 95UAL900019Eel Battery Pack · dischargedEMERGENCY EXIT LIGHT SIGNS INOP AT DOOR 1L. REPLACED BATTERY PACK.Jun 26, 1995 · N154UA · Boeing 747123 · Lighting SystemSDR 95UAL900010Rod End · failedTHE NR 6 GROUND SPOILER POWER CONTROL PACKAGE ACTUATOR ROD END, SEPARATED FROM THE ACTUATOR UPON LANDING. DAMAGED SPOILER PANEL, SPOILER ACTUATOR SUPPORT FITTING, AND SURROUNDING STRUCTURE. THE ROD END/PISTON ROD THREADS FAILED AS A RESULT OF CORROSION.Jun 19, 1995 · N153UA · Boeing 747123 · Drag Control SystemSDR 95ZZZM184Comp Blades · failedTHREE HOURS INTO FLIGHT CLIMBING FROM FL 330 TO FL 370, EXPERIENCED SHUDDER, MUFFLED BOOM, EGT RISE TO 920 DEGREES, EGT WARNING LIGHT, ERP AND N1 LOSS FOLLOWED BY EGT DROP AND ENGINE FAILURE. SHUT DOWN ENGINE, VISUAL INSPECTION NO APPARENT PHYSICAL DAMAGE. Jun 9, 1995 · N854FT · Boeing 747122 · Turbine Engine Compressor SectionSDR 95UAL747039Fire Light · illuminatedTHE NR THREE ENGINE FIRE LIGHT CAME ON DURING TAKEOFF.Jun 7, 1995 · N153UA · Boeing 747123 · Fire DetectionSDR 95ZZZX3176Engine · damagedDURING CLIMB, NR 1 ENGINE SHUT DOWN DUE TO HEAVY STALL EGT RISE TO 920 DEGREES. THREE ENGINE FERRY TO JFK, REMOVED AND REPLACED NR 1 ENGINE.Jun 2, 1995 · N603FF · Boeing 747130 · Engine (Turbine/Turboprop)SDR 95UAL747037Retract Mech · malfunctionedEXPERIENCED LOW NOISE AND SLIGHT PITCH AT FL 350. DURING APPROACH WHEN FLAPS GOING FROM 5 TO 10 AND 10 TO 20 DEGREES, EXPERIENCED CONSIDERABLE VIBRATION.May 24, 1995 · N157UA · Boeing 747123 · Trailing Edge Flap Control SystemSDR 95ZZZW767Nr 3 Bearing · crackedON ARRIVAL IN LAX, POST FLIGHT INSPECTION REVEALED OIL IN TAILPIPE ON NR 3 ENGINE. AFTER TROUBLESHOOTING, FOUND OIL LEAKING NR 3 BEARING HOUSING. AIRCRAFT THREE ENGINE FERRY TO SAT FOR ENGINE CHANGE. (W)May 18, 1995 · N853FT · Boeing 747122 · Turbine Engine Compressor SectionSDR 95UAL747032Eel · malfunctionedEEL IN ZONE E ILLUMINATED AT ALL TIMES. RESET CIRCUIT BREAKER ON P12. OPS CHECKS NORMAL.May 15, 1995 · N155UA · Boeing 747123 · Emergency LightingSDR CAL950353Retaining Bolt · fracturedFLT NR 9860 - HNL - THE NR 1 ENGINE GAVE OFF A LOUD BOOM AND THE EGT ROSE TO 963 DEGREES, SHORTLY AFTER TAKEOFF FROM HNL. THE NR 1 ENGINE WAS SHUTDOWN AND THE AIRCRAFT WAS RETURNED TO HNL WHERE IT LANDED WITHOUT INCIDENT. THE NR 1 ENGINE WAS REMOVED AND REPLMay 7, 1995 · N33021 · Boeing 747243B · Turbine SectionSDR 95ZZZM23F/E Module Card · defectiveEN ROUTE FROM LAX FL 33, NR 3 ENGINE VALVE LIGHT INDICATED BRIGHT, ENGINE FAILED. AFTER FAILURE EXCESSIVE VIBRATION OCCURRED. AIRCRAFT TURNED BACK TO LAX. F/E FUEL CONTROL MODULE DEFECTIVE, REPLACED MODULE, REPLACED FUEL SHUTOFF VALVE ACTUATOR. OPERATIONALMay 5, 1995 · N853FT · Boeing 747122 · Fuel Controlling SystemSDR 95ZZZW728Blades · failureEN ROUTE SYD TO HKG, WHILE RETARDING ENGINES IN CRUISE, NR 4 ENGINE FLAMED OUT, COULD NOT RESTART UNTIL DESCENT TO FL 210. IN KHG, INSPECTED ENGINE PER MM 71-00-00, NO DAMAGE FOUND, AIRCRAFT DISPATCHED. ON CLIMB-OUT FROM HKG, AT FL 164, NR 4 ENGINE STALLED, Apr 28, 1995 · N855FT · Boeing 747124 · Turbine SectionSDR 95UAL747025Eel · inoperativeEMERGENCY OVERHEAD LIGHT IS INOPERATIVE AT DOOR 5 LEFT. REPLACED EMERGENCY LIGHT ASSEMBLY AND HARNESS.Apr 26, 1995 · N4729U · Boeing 747122 · Emergency LightingSDR 95UAL747026Te Panel · departed acftCLIMBING THROUGH FLIGHT LEVEL 340, INDICATED AIR SPEED OF 315, FIXED TRAILING EDGE UPPER LEFT WING PANEL DEPARTED AIRCRAFT. REPLACED AND RE-RIGGED PANEL.Apr 26, 1995 · N4719U · Boeing 747122 · Wing, Plate/SkinSDR 95UAL747022Fire Loop · out of positionNR 4 ENGINE WAS SHUTDOWN IN FLIGHT DUE TO FIRE WARNING INDICATION. DISCHARGED BOTH FIRE BOTTLES. UPPER FORWARD B-LOOP WIRE FOUND CHAFING AGAINST ENGINE CAUSING FALSE FIRE INDICATION. WIRE REPAIRED.Apr 18, 1995 · N153UA · Boeing 747123 · Fire DetectionSDR 95ZZZZ223Fan Blades · damagedVCP - CREW FOUND 4 DAMAGED FAN BLADES IN NR 4 ENGINE. SUSPECT BIRD STRIKE. LANDING WAS MADE IN EXTREME WEATHER CONDITION. MAINTENANCE INSPECTED NR 4 ENGINE IAW MM 71-00-00. NO OTHER DEFECTS FOUND. FOUR SETS OF FAN BLADES WERE REPLACED PER MM 72-31-01. ACApr 1, 1995 · N851FT · Boeing 747122 · Turbine Engine Compressor SectionSDR 9505046603Indicator · defectiveDURING CLIMB, THE NR 1 ENGINE EXPERIENCED THE EGT RUNNING INTO THE RED CAUTION AREA AND THE AIRCRAFT RETURNED TO NRT WHERE AN UNEVENTFUL LANDING WAS MADE. NO FUEL WAS DUMPED. THE INDICATOR WAS FOUND TO BE READING HIGH STATICALLY AND WAS REPLACED. A GROUND RMar 29, 1995 · N603US · Boeing 747151 · Engine EGT/TIT Indicating SystemSDR 9503426603Engine · flame outDURING CRUISE, THE NR 2 ENGINE EXPERIENCED A ROLLBACK OF ALL ENGINE INDICATIONS AND FLAMED OUT. RESTARTED ON FIRST ATTEMPT AND OPERATION WAS NORMAL THE REMAINDER OF THE FLIGHT. FUEL TANKS WERE SUMPED, FUEL FILTER WAS REPLACED, FUEL PRESSURE WAS CHECKED, AND Mar 26, 1995 · N603US · Boeing 747151 · Fuel Controlling SystemSDR 95UAL747017Fire Warning · activatedNR 1 ENGINE FIRE WARNING SOUNDED AFTER LIFT OFF. PULLED FIRE HANDLE, SHUT DOWN ENGINE. FIRE WARNING LIGHT WENT OUT.Mar 15, 1995 · N4727U · Boeing 747122 · Fire DetectionSDR 95ZZZX1633Ps4 Line · leakingVCP/JFK - EN ROUTE AT FL 350 IN CRUISE, NR 1 ENGINE LOST POWER, N1, N2, EPR, AND FUEL FLOW DECREASED AND EGT INCREASED. RE-START ATTEMPTED, BUT WAS UNSUCCESSFUL. DESCENDED TO FL 310 AND WAS ABLE TO RE-START ENGINE USING GROUND START PROCEDURE. REST OF FLIGHMar 15, 1995 · N854FT · Boeing 747122 · Fuel Controlling SystemSDR CAL950175Engine · failedHNL - FLT 907 - THE NR 1 ENGINE MADE A LOUD BOOM AFTER ABOUT TWO HOURS OF FLIGHT. THE NOISE WAS ACCOMPANIED BY A RISE IN EGT AND A DECREASE IN EPR AND N1. THE NR 1 ENGINE WAS SHUTDOWN AND THE AIRCRAFT RETURNED TO HNL, WHERE IT LANDED WITHOUT INCIDENT. THE NMar 5, 1995 · N78019 · Boeing 747230B · Engine (Turbine/Turboprop)SDR 95ZZZX1669Fuel Pump · failedHONG KONG/ANC - FLT SJM002 - DURING FLIGHT, NR 2 ENGINE EPR DROPPED DOWN TO 1.07 AT 790 DEGREES EGT, PUSHING THROTTLE UP ON NR 2 TO MATCH EPR THEN CAUSED EGT TO CLIMB UP TO 895 DEGREES CELSIUS, DIVERT AIRCRAFT TO NRT. FOUND LOW PRESSURE AT FP-12 FUEL PUMP ON Mar 2, 1995 · N745SJ · Boeing 747212B · Engine Fuel PumpSDR 9503006601Tr Unit · inoperativeDURING LANDING ROLLOUT, THE NR 4 ENGINE REMAINED IN REVERSE RESULTING IN A COMPRESSOR STALL AND OVERTEMP. THE ENGINE WAS SHUT DOWN AND THE AIRCRAFT TAXIED TO THE GATE. FOUND NR 4 THRUST REVERSER DRIVE UNIT INOPERATIVE. LOCKED OUT NR 4 THRUST REVERSER, BORESFeb 21, 1995 · N601US · Boeing 747151 · Engine Thrust ReverserSDR 95UAL747008Blkhd Cap · corrodedLEVEL 2 CORROSION FOUND IN BS 1350 BULKHEAD LOWER CAP PLATE ASSY AND FITTINGS AT BOTH LBL AND RBL 127, WL 160. REPAIRED CAP PLATE ASSEMBLY AND REPLACED FITTINGS.Feb 13, 1995 · N155UA · Boeing 747123 · Fuselage Main, BulkheadSDR 95ZZZX1233Engine · flamed outJUST PRIOR TO DESCENT INTO MIA AT FL 390, THE NR 4 ENGINE FLAMED OUT. THE ENGINE SHUT-DOWN CHECK LIST WAS COMPLETED AND THE IN-FLIGHT ENGINE START CHECK LIST WAS COMPLETED. THE FUEL FLOW INDICATED 3-400 POUNDS PER HOUR. ON THE FIRST TWO ATTEMPTS, THE FUEL FFeb 10, 1995 · N853FT · Boeing 747122 · Engine (Turbine/Turboprop)SDR 95ZZZW110Bearing Seal · failedORD - ON CLIMB-OUT, THE NR 2 ENGINE OIL FILTER BYPASS LIGHT CAME ON, FOLLOWED BY A LOSS OF OIL QUANTITY AND A RISE IN OIL TEMPERATURE. ENGINE SHUTDOWN, FUEL DUMP AND ACFT RETURNED TO ORD. POST FLIGHT INSPECTION OF ENGINE SHOWED NO EXTERNAL LEAKS. ENGINE MAIFeb 2, 1995 · N630SJ · Boeing 747124 · Turbine Engine Compressor SectionSDR 95UAL747004Battery Pack · dischargedDOOR 5 L-EMERGENCY EXIT LIGHT REMAINS ON AT ALL TIMES. REPLACED BATTERY PACK.Jan 30, 1995 · N4719U · Boeing 747122 · Lighting SystemSDR 95ZZZX698Fuel Filter · cloggedON DESCENT INTO HKG, NR 4 ENGINE STAYED IN IDLE WITH NO THROTTLE RESPONSE. APPLIED FUEL HEAT WITH NO HELP. ATTEMPTED RESTART TO RESCHEDULE FUEL. STILL NO RESPONSE. LANDED WITHOUT INCIDENT. MAIN FUEL FILTER CHECKED AND REPLACED IAW MM 73-11-00. ENGINE RUNJan 28, 1995 · N630SJ · Boeing 747124 · Engine Fuel DistributionSDR 95ZZZX699Fuel Control · leakingEN ROUTE TO SEOUL, KOREA, FLIGHT CREW REPORTED A FIRE WARNING ON NR 4 ENGINE. ENGINE SHUT DOWN USING ENGINE FIRE CHECKLIST. CREW DECLARED AN EMERGENCY AND LANDED AT PUSAN WITHOUT INCIDENT. BOTH FIRE BOTTLES DISCHARGED. CREW REPORTED NR 2 FIRE BOTTLE DISCHAJan 21, 1995 · N741SJ · Boeing 747121 · Fuel Control/Turbine EnginesSDR CAL950058Engine · failedFLT NR 0907 - HNL - THE AIRCRAFT WAS RETURNED TO HNL WITH THE NR 1 ENGINE SHUT DOWN. THE NR 1 ENGINE WILL BE REMOVED AND REPLACED. (Z)Jan 21, 1995 · N33021 · Boeing 747243B · Engine (Turbine/Turboprop)SDR 95ZZZX534Bearing Seal · failedNR 1 ENGINE OIL PRESSURE LIGHT ON MASTER CAUTION PANEL ON. FLUCTUATING OIL PRESSURE 10 TO 30 PSI AND LOSS OF OIL QUANTITY TO THREE-FOURTHS GALLON. BREATHER TEMPERATURE 230 DEGREES. ENGINE SHUT DOWN. LANDING IN MIA UNEVENTFUL. SERVICED ENGINE WITH 24 QUARTJan 16, 1995 · N735SJ · Boeing 747121 · Turbine Engine Compressor SectionSDR 94UAL747083Spar Chord · corrodedAT APPROXIMATELY, BS 1000, LBL 80 - 84, AN AREA OF CORROSION WAS DISCOVERED ON THE WING CENTER SECTION FRONT SPAR INSTALLATION. THE CORROSION (LEVEL 2) EXISTED ON LOWER CHORD (P/N 65B 08234-2) AND REQUIRED MATERIAL REMOVAL THAT EXCEEDED MAX ALLOWABLE LIMITATIJan 3, 1995 · N154UA · Boeing 747123 · Wing Spar
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