Pratt & Whitney JT8D-7B
Service difficulty reports · 753
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 = 'JT8D7B' 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 = 'JT8D7B' 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 96UAL900111Regulator · leakingSMOKE IN CABIN, THE RIGHT PACK WAS OFF AND THE OVERHEAT LIGHT CAME ON. THE TURBOFAN WAS RUNNING ALL THE TIME. REPLACED THE PRESSURE REGULATOR, CHECKS OK. THE SHOP FOUND AN INTERNAL DIAPHRAGM WAS LEAKING.SDR 96UAL900090Prox Card · badAFTER TAKEOFF, GEAR LEVER WOULD NOT GO PAST NEUTRAL POSITION, RETURNED TO ORD. *S/D* THE A-1 AND A-2 LANDING GEAR POSITION INDICATING SYSTEM PROXIMITY CARDS IN THE LANDING GEAR ACCESSORY UNIT WERE FOUND BAD. REPLACED CARDS, SYSTEM CHECKS OK.SDR CA970217003Compressor Case · failed(CAN) ON DEPARTURE THE CREW OBSERVED HIGH N2, HIGH FUEL FLOW AND HIGH EGT AND AN ABNORMALLY HIGH ACCELERATION RATE ON #3 ENGINE. THE AIRCRAFT DIVERTED. POST FLIGHT INSPECTION FOUND THE 12 O'CLOCK POSITION 8TH STAGE BLEED VALVE HAD SEPARATED FROM THE COMPRESSORSDR CA970217002Fuel Control · faulty(CAN) ON DEPARTURE THE CREW NOTICED EXCESSIVE DUCT PRESSURE AND A DROP OF E.P.R. ON #3 ENGINE, THE AIRCRAFT DIVERTED. POST FLIGHT MAINTENANCE TROUBLE SHOOTING REPLACED THE FUEL CONTROL UNIT; PRESSURE RATIO BLEED CONTROL VALVE AND THE START BLEED CONTROL VALVE.SDR 96UAL900082Out Flow Valve · failedCREW REPORTS, UNABLE TO PRESSURIZE AIRPLANE AFTER TAKEOFF. CAN CONTROL OUTFLOW VALVE OPEN AND CLOSE. THE RIGHT FLOW CONTROL VALVE WOULD NOT TURN ON. REPLACED FLOW CONTROL VALVE AND CONNECTOR PINS. THE SHOP FOUND THE FLOW CONTROL VALVE HAD LOW AIR FLOW CAUSSDR 96UAL900066Seal · leakingCREW REPORTS, UNABLE TO PRESSURIZE AIRCRAFT AFTER TAKEOFF. MAINTENANCE FOUND AIR LEAKING FROM FORWARD AIRSTAIRS DOOR SEAL. STOPPED LEAK BY PUTTING ALUMINUM FILLED EPOXY RESIN UNDERNEATH AIRSTAIRS DOOR SEAL. AIRCRAFT PRESSURIZES NORMALLY.SDR 9601909151Epr Indicator · failedNR 2 ENGINE EPR INDICATION WAS LOW ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE EPR INDICATOR WITH A SERVICEABLE UNIT.SDR 96UAL900054Strip · inoperativeEMERGENCY ESCAPE PATH LIGHTING IN FIRST CLASS INOP. REPLACED LIGHT STRIP.SDR 9600959902Fuel Control · malfunctionedNR 2 ENGINE EPR INDICATION FAILED TO REACH TARGET ON TAKEOFF. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO MAINTENANCE. THE FUEL CONTROL ASSEMBLY AND THE PT2 PROBE AND NOSE DOME ASSEMBLY WERE REPLACED. THE AIRCRAFT RETURNED TO SERVICE.SDR 9600969902Epr Ind · malfunctionedNR 2 ENGINE EPR INDICATION FAILED TO REACH TARGET ON TAKEOFF. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE EPR TRANSMITTER, INDICATOR AND A CRACKED FITTING IN THE PT7 SYSTEM. IN ADDITION, THE ENGINE WAS FIELD TRIMMSDR 96UAL900022Battery · dischargedAFT GALLEY EMERGENCY EXIT LIGHT INOP. REPLACED BATTERIES AND CHECKS OK.SDR 95UAL900370Compressor · stalledON TAKEOFF AT 90 KNOTS, NR ONE ENGINE HAD A COMPRESSOR STALL. A BRIGHT FLASH WAS OBSERVED ON TAKEOFF, ABORTED TAKEOFF. SUPPLEMENTAL DATA UPDATE: ENGINE WAS BORESCOPED AT THE C-6, C-7, AND C-13 BLADES. BORESCOPE REVEALED EVIDENCE OF SMALL BIRD INGESTION WITHSDR 96UAL900003Fire Loop · inoperativeEXPERIENCED NUMBER ONE ENGINE FIRE WARNING, ENGINE WAS SHUTDOWN AND FIRE BOTTLE DISCHARGED. REPLACED NUMBER ONE ENGINE LOWER FIRE DETECTION LOOP, BOTH FIRE BOTTLES AND SQUIBS.SDR 9521789948Fuel Control · malfunctionedNR 1 ENGINE POWER LEVER FROZE AT FL 330. FLIGHT DESCENDED TO FL 270 WHERE THE THROTTLE FREED UP. THE FLIGHT DIVERTED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE FUEL CONTROL ASSEMBLY WITH A SERVICEABLE UNIT. RUNUP AND LEAK CHECK WERE SATISSDR 95UAL900354Nr 3 Bearing · failedAT 29,000 FEET HEARD A BANG FROM RIGHT HAND SIDE OF AIRCRAFT. EPR DROPPED AND CAPTAIN REDUCED ENGINE TO FLIGHT IDLE. FOUND NUMBER THREE BEARING CAGE FAILURE. SUSPECT IT WAS DUE TO EXCESSIVE POCKET WEAR. FAILURE OCCURRED MIDWAY BETWEEN THE CAGE RIVET HOLES.SDR 95UAL900356Latch Mech · out of adjustHANDLE AT DOOR 2 LEFT KEEPS MOVING TOWARD THE OPEN POSITION IN-FLIGHT. SUPPLEMENTAL DATA UPDATE: CHECKED LATCH TORQUE TUBES FOR PROPER ADJUSTMENT PER MM. DOOR CHECKS O.K.SDR 95UAL900357Anti-Skid Module · inoperativeOUTBOARD ANTI-SKID WARNING LIGHT ILLUMINATED AT 100 KNOTS ON TAKEOFF ROLL. TAKEOFF WAS ABORTED WITH VERY LITTLE BRAKING USED. REPLACED ANTI-SKID CONTROL MODULE, CHECKS OK.SDR 95UAL900358Csd · failedIN CRUISE WHEN THROTTLES WERE RETARDED, NR1 CSD LOW OIL PRESSURE LIGHT CAME ON AND THEN WENT OFF, OCCURRED REPEATEDLY. ALSO, AUTOPILOT DISENGAGED MANY TIMES FOR NO REASON. REPLACED NUMBER ONE ENGINE CONSTANT SPEED DRIVE, OIL COOLER AND OIL FILTER. RAN ENGINESDR 95UAL900360Sensing Element · inoperativeCREW REPORTED, NR 2 ENGINE FIRE WARNING INDICATION ILLUMINATED IN FLIGHT. DISCHARGED BOTTLES AND SHUTDOWN ENGINE. REPLACED NUMBER TWO ENGINE FIRE DETECTION SENSING ELEMENT, CHECKS OK.SDR 9521139980Fuel Heat Vlv · malfunctionedNR 1 ENGINE EXPERIENCED UNCOMMANDED OPERATION OF THE FUEL HEAT SYSTEM DURING CLIMB OUT. THE FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE FUEL HEAT VALVE WITH A SERVICEABLE UNIT.SDR 96ZZZM22Compressor Blade · damagedDURING TAKEOFF ROLL AT BUF, A VIBRATION WAS NOTED IN THE NR 3 ENGINE. THE TAKEOFF ROLL WAS REJECTED AT 60 KNOTS. THE ENGINE WAS SHUTDOWN AND AIRCRAFT TAXIED BACK TO RAMP WITHOUT INCIDENT. FOUND EXTENSIVE DAMAGE TO THE C-1 FAN BLADES. REPLACED ENGINE.SDR 9520499604Pt2 Probes · iced upEPR INDICATION WAS LOW ON BOTH ENGINES DURING TAKEOFF. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. ICE WAS FOUND IN BOTH PT2 PROBES. THE ICE WAS REMOVED AND THE ENGINES WERE RUN-UP. NO FURTHER DISCREPANCIES NOTED.SDR 9522149150Prbc · malfunctionedNR 2 ENGINE EPR WAS LOW AND UNSTABLE ON TAKEOFF. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE PRBC WITH A SERVICEABLE UNIT. ENGINE PERFORMANCE WAS STAISFACTORY ON SUBSEQUENT RUNUP.SDR 95ZZZM731Oil Line · looseDURING CRUISE, THE NR 1 ENGINE OIL QUANTITY STARTED DEPLETING. THE AIRCRAFT MADE AN UNSCHEDULED LANDING AT SHV WITHOUT INCIDENT. OIL QUANTITY INDICATION WAS NEAR ZERO WITH OIL PRESS AND TEMP NORMAL. FOUND THE OIL FILTER BYPASS SWITCH RETURN LINE LEAKING AT SDR 95UAL900276Cabin Press Ind · leakingPASSING THROUGH 25,000 FEET, CABIN ALTITUDE WAS 6,500 FEET AND CLIMBING AT 700 FEET. THE DIFFERENTIAL PRESSURE WAS 2.1 AT 29,000 FEET, CABIN WAS AT 6,500 FEET AND DIFFERENTIAL PRESSURE WAS 2.8, STANDBY NO HELP. CAPTAIN WENT ON OXYGEN BECAUSE NOT FEELING WELLSDR 95UAL900280Flex Line · cloggedBOTH LOW PRESSURE LIGHTS FOR 'A' SYSTEM HYDRAULIC PUMPS CAME ON FOLLOWED BY LOW PRESSURE LIGHT FOR NUMBER ONE 'B' PUMP AND FEEL DIFFERENTIAL PRESSURE LIGHT. FOUND OBSTRUCTION IN ENGINE FLEX LINE CAUSING LOW PRESSURE INDICATION. REPLACED RESERVOIR AIR PRESSURSDR 96ZZZM92Oil System · overservicedIND - FERRY FLIGHT - DURING TAKEOFF, AIRCRAFT FILLED WITH SMOKE, SOURCE UNKNOWN. FOUND ENGINES OVERSERVICED, REFER TO ITEM 7910/665 FOR CORRECT SERVICING, RAN ENGINES, AT TAKEOFF POWER NO SMOKE NOTICED.SDR 9518849907Engine · bird strikeGCM - NR 2 ENGINE INGESTED A BIRD AT ROTATION ON TAKEOFF. THE AIRCRAFT RETURNED TO GCM AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE ENGINE WITH A SERVICEABLE UNIT.SDR 95UAL900260Indicator Wire · failedNR THREE LEADING EDGE DEVICE FAILED TO RETRACT AFTER TAKEOFF. THIS WAS FOUND TO BE AN INDICATION PROBLEM. THE NR THREE LEADING EDGE SLAT ACTUATOR ROD END WIRE ASSEMBLY WAS REPLACED. CHECKS O.K.SDR 96ZZZX21Case · fracturedON DISASSEMBLY OF ENGINE, FOUND THE LP COMPRESOR HAD SUFFERED A 360 DEGREE FRACTURE OF FORWARD FLANGE OF INTERMEDIATE CASE (WHERE IT IS BOLTED TO THE REAR OF THE 3-4 STATOR). ON EXAMINATION OF CASE. IT WAS EVIDENT IT HAD BEEN PARTIALLY CRACKED FOR SOME TIME BSDR 95ZZZM711Gearbox · failedOIL LEAK DISCOVERED ON THE LEFT ENGINE (S/N 657238) AFTER LANDING IN YIP. FURTHER INVESTIGATION REVEALED FOUR BROKEN STUBS IN THE MAIN ENGINE GEARBOX HOUSING. THE GEAR BOX WAS REMOVED AND REPLACED. (M)SDR 9518319154Prbc · malfunctionedNR 2 ENGINE EXPERIENCED A COMPRESSOR STALL ON TAKEOFF. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE PRBC AND INSPECTED THE ENGINE, NO DAMAGE NOTED. SUBSEQUENT RUNUP WAS SATISFACTORY.SDR 95UAL900250Strut · crackedNR THREE MAIN LANDING GEAR INNER CYLINDER BRAKE FLANGE HAS TWO CRACKS. CRACKS START FROM THE INSIDE OF THE MOUNT BOLT HOLES AT THE 2 O'CLOCK AND 10 O'CLOCK POSITIONS AND EXTEND INWARD TOWARD FLANGE RADIUS. CRACKS CONFIRMED BY EDDY CURRENT INSPECTION. REPLASDR 9517489976Engine · bird strikeDURING CLIMB, THE LEFT ENGINE INGESTED A LARGE BIRD. CREW SHUT DOWN THE ENGINE AND RETURNED TO DTW. THE AIRCRAFT LANDED WITHOUT INCIDENT. PERFORMED BIRD STRIKE INSPECTION AND REPLACED THE LEFT ENGINE. OPERATIONAL CHECK GOOD.SDR 95UAL900245Skin · crackedFOUND TWO-INCH CRACK IN FUSELAGE ON AFT SIDE OF E AND E COOLING FAN EXHAUST PORT. ACCOMPLISHED PERMANENT SKIN REPAIR PER STRUCTURAL REPAIR MANUAL 53-30-3 USING .10 INCH THICK 2024-T3 CIRCULAR EXTERNAL REPAIR DOUBLER WITH THREE FASTENER ROWS.SDR 95UAL900232Eel · inoperativeEMERGENCY ESCAPE PATH LIGHTING INOP IN AFT CABIN. REPAIRED LIGHT, CHECKS OK.SDR 95UAL900224Brake Flange · crackedNR 4 WHEEL, BRAKE AND PART OF AXLE, DEPARTED FROM AIRCRAFT. REPLACED GEAR. CRACK WAS FOUND EMANATING FROM BRAKE ATTACH FLANGE, PER BOEING SERVICE BULLETIN 737-32-1068.SDR 95UAL900215Transmission · inopEXECUTED MISSED APPROACH AT ORD, TRAILING EDGE FLAPS DID NOT EXTEND BEYOND 5 DEGREES. REPLACED NR 7 TRAILING EDGE FLAP TRANSMISSION, CHECKS OK.SDR 95UAL900211Socket · burnedBURNING ELECTRICAL SMELL FROM AFT GALLEY AREA. SMELL DISSIPATED WHEN FLUORESCENT OVERHEAD LIGHTS AT GALLEY TURNED OFF. REPLACED LAMP HOLDER SOCKET, WIRES AND LAMPS. CHECKS O.K.SDR 95ZZZX6237Engine · malfunctionedATL/MDW - FLT 248 - THE CAPTAIN CALLED BACK WITH ENGINE VIBRATION. THE AIRCRAFT RETURNED TO ATL. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE. OPS CHECKED OK.SDR 95ZZZM664Fuel Control · failedON TAKEOFF AT 300 FT AGL, THE NR 1 ENGINE SHUT DOWN. FUEL FLOW WENT TO ZERO. ACCOMPLISHED APPROPRIATE CHECK LISTS AND LANDED WITHOUT INCIDENT. REPLACED FUEL CONTROL UNIT PER MM 73-21-1. REPLACED ENGINE DRIVEN FUEL PUMP PER 73-11-1 AS PRECAUTION. TRIMMED ESDR 95UAL900176Eel · inoperativeFIRST CLASS EEL LIGHTS INOP. REPLACED EEL LIGHTS.SDR DHL95720005Engine · overtempDURING ROTATION, NR 1 EGT WENT INTO RED, PULLED THRUST LEVER BACK TO 1.85 EPR TO KEEP EGT OUT OF RED. REMOVED AND REPLACED NR 1 ENGINE IAW MM 71-00.SDR 9515049929Engine · low powerDURING TAKEOFF, THE NR 1 ENGINE DID NOT REACH TAKEOFF POWER. ABORTED TAKEOFF AND RETURNED TO THE GATE. RERIGGED AND TRIMMED BOTH ENGINES AND OPERATIONAL CHECK GOOD.SDR 95ZZZM636Fuel Pump · defectiveSTL - DURING TAKEOFF NR 3 ENGINE, S/N 4018, SPUN DOWN. SHUT DOWN ENGINE PER FLIGHT HANDBOOK PROCEDURES. FOUND DEFECTIVE FUEL PUMP, MFG P/N 378201-7. REPLACED ENGINE DRIVEN FUEL PUMP. ENGINE OPERATION THEN CHECKED NORMAL.SDR 95UAL900154Latches · out of rigA/C RETURNED TO FIELD WITH AFT CARGO DOOR LIGHT, UNABLE TO PRESSURIZE A/C. AFT CARGO DOOR WAS FOUND OPEN. THE LATCHES APPEARED SECURE, BUT THE DOOR WAS OUT RIG.SDR 95UAL900155Eel Battery Pack · dischargedEMERGENCY LIGHTS INOP ON LEFT SIDE EXTERIOR OF AIRCRAFT. REPLACED BATTERY PACK.SDR 9514392255Oil Filter · dirtyNR 1 ENGINE OIL FILTER CLOG WARNING LIGHT ILLUMINATED ON TAKEOFF. THE TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE OIL FILTER, AIRCRAFT WAS RUNUP AND SYSTEM CHECKED OK.SDR 9514349931Oil Temp Sensor · malfunctionedMSP - DURING CLIMBOUT, NR 2 ENGINE OIL TEMPERATURE INDICATION EXCEEDED RECOMMENDED LIMITS AND THEN BECAME UNSTABLE. FLIGHT RETURNED TO MSP LANDING WITHOUT INCIDENT. MAINTENANCE REPLACED THE OIL TEMPERATURE SENSOR AND TIGHTENED LOOSE WIRING HARNESS GROUND CONSDR 95UAL900109Fire Loop · malfunctionedAFTER TAXI OUT, THE NR 2 FIRE WARNING LIGHT CAME ON AND TWO FIRE BOTTLES WERE DISCHARGED. LIGHT REMAINED ON, PASSENGERS EVACUATED BY SLIDES. FOUND FIRE LOOP M337 HAS A SHORT BETWEEN PINS 4 AND 6 IN CONNECTOR D992. REPLACED LOOP SYSTEM, OPS CHECKS OK.
Back to Pratt & Whitney JT8D-7B