JASC 7931
Service difficulty reports · 1,875
Reports filed under 7931 · Engine Oil Pressure, newest first.
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 jasc_code = '7931' 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 jasc_code = '7931' 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 HEEA978841Transmitter · failedTRANSMITTER FAULTY. PEGS ENGINE OIL INDICATOR WHEN BATTERY SWITCH IS TURNED ON.SDR USAAD97002Switch · failedFLT 1146 - ATL-PIT - LEFT ENGINE OIL QTY STARTED A STEADY DECREASE 15 MINUTES AFTER TAKEOFF. DIVERTED TO TYS. OIL PRESSURE STARTED TO OSCILLATE RAPIDLY ONE MINUTE BEFORE LANDING, SO THE ENGINE WAS SHUT DOWN. FOUND LEFT ENGINE OIL PRESSURE SWITCH FAILED. RESDR USAASB97005Oil Line · leakingINT - FL 7901 - FLIGHT WAS IN THE PROCESS OF COMPLYING WITH TEST HOP PROCEDURES, AFTER A HEAVY MAINTENANCE VISIT, WHEN THE CREW NOTICED A RAPID OIL QTY LOSS IN THE NR 2 ENGINE. CREW SHUT DOWN THE NR 2 ENGINE AND RETURNED TO FIELD AT INT. NO EMERGENCY WAS DECLSDR USAASB97004Transmitter · failedBWI - FLT 570 - INBOUND TO BWI, THE NR 2 ENGINE OIL PRESSURE INDICATOR DROPPED TO 27 PSI, WHICH IS IN THE RED RANGE. CREW GOT NO OIL LIGHT AND THE OIL PRESSURE LIGHT WOULD NOT PRESS TO TEST. CREW SHUT DOWN THE NR 2 ENGINE AND DECLARED AN EMERGENCY. FLIGHT LSDR ABXA9700048Connector · dirtyNR 2 ENGINE LOW OIL PRESSURE LIGHT CAME ON, OIL PRESSURE 50 PSI. RETARDED THROTTLE TO IDLE, LIGHT STAYED ON. SHUT DOWN ENGINE AT 1210 Z. WINDMILLED WITH 34 PSI OIL PRESSURE, 34 PERCENT N-1, 38 PERCENT N-2. VERIFIED LOW OIL PRESSURE LIGHT ON WITH OIL PRESSUSDR EISA96286Relief Valve · out of adjustDURING TAKEOFF, NR 2 OIL PRESSURE ROSE ABOVE RED LINE (APPROX 80 PSPSI). TROUBLESHOT ENGINE OIL PRESSURE RELIEF VALVE AND ADJUSTED PER MM, LEAK AND OPS CHECK GOOD. (M)SDR AWXA9600768Bypass Sw Line · leakingCAPTAIN CALLED OUTSIDE OF LAS AND INFORMED MX. CONTROL THAT THE NR 2 ENGINE OIL QUANTITY WAS SLOWLY DROPPING AND OIL PRESSURE/TEMPERATURE WERE NORMAL. AIRCRAFT DIVERTED TO LAS. REMOVED AND REPLACED FILTER BYPASS SWITCH LINE, ADDED 10 QTS OIL FOR LOSS, LEAK CSDR 97ZZZM74Connector · looseACY - FLT 511 - DURING CLIMB CONFIGURATION RIGHT ENGINE OIL PRESSURE DECREASE TO 42 PSI, AND BEGAN FLUCTUATING BETWEEN 42 AND 40 PSI. OIL TEMPERATURE AND QUANTITY NORMAL. MAINTENANCE FOUND OIL PRESSURE TRANSMITTER CANNON PLUG LOOSE AND SOAKED WITH OIL. CLEASDR 97ZZZX485Connector · failedLEFT OIL PRESSURE LIGHT CAME ON AND LT OIL PRESSURE GAUGE INDICATED ZERO. PROCEEDED WITH PRECAUTIONARY ENGINE SHUT DOWN. REPLACED NR 1 OIL PRESSURE TRANSMITTER CANNON PLUG. SYSTEM OPERATIONAL CHECKS GOOD ON GROUND RUN (MDT). AIRCRAFT RETURNED TO SERVICE.SDR HEEA968682Indicator · failedENGINE OIL PRESSURE INDICATOR FAILED.SDR 97ZZZM185Transmitter · failedDURING CLIMB FROM ANC, RIGHT ENGINE OIL PRESSURE DROPPED TO 30 PSI, LOW PRESSURE WARNING LIGHT DID NOT ILLUMINATE, AIRCRAFT RETURNED TO ANC. RESET CANNON PLUG ON OIL PRESSURE TRANSMITTER. GROUND RAN ENGINE, OIL PRESSURE INDICATION NORMAL. AIRCRAFT RETURNED SDR MZZA96168Transmitter · failedFLT 951 - GUM - AFTER TAKEOFF, NR 2 OIL PRESSURE WENT TO ZERO. SHORTLY THEREAFTER PRESSURE RETURNED TO NORMAL. GUM MAINTENANCE ADVISED FLIGHT CREW TO RETURN TO GUM DUE TO NO MAINTENANCE IN ROR AND YAP. REMOVED AND REPLACED NR 2 OIL PRESSURE TRANSMITTER PER SDR HNAA9690878Adaptor Plate · failedFLT 3255 - HVN-DCA - ON CLIMB-OUT AT 3000 FEET, THE MASTER WARNING LGIHT ILLUMINATED, THE NR 1 OIL PRESSURE LIGHT WAS ON, AND THE NR 1 OIL PRESSURE WAS FALLING. THE CREW SHUTDOWN NR 1 ENGINE AND RETURNED TO HVN WITHOUT INCIDENT. THE AIRCRAFT WAS FERRIED TO SSDR 97ZZZM76Generator · failedFLT 3255 - HVN-DCA - ON CLIMB-OUT AT 3000 FEET, THE MASTER WARNING LGIHT ILLUMINATED, THE NR 1 OIL PRESSURE LIGHT WAS ON, AND THE NR 1 OIL PRESSURE WAS FALLING. THE CREW SHUTDOWN NR 1 ENGINE AND RETURNED TO HVN WITHOUT INCIDENT. THE AIRCRAFT WAS FERRIED TO SSDR SRAA961118Switch · defectiveON CLIMB-OUT OF SHANHAI ON FLIGHT 7875, NR 4 ENGINE OIL PRESSURE LIGHT CAME ON. SHUT DOWN NR 4 ENGINE AS PRECAUTIONARY, DUMPED FUEL AND LANDED AT HKG WITHOUT INCIDENT. INSPECTED OIL FILTER, NO CONTAMINATION FOUND, SUSPECT OIL PRESSURE DIFFERENTIAL SWITCH AT SDR GLBA96230Oil Press Ind · malfunctionedLAN - LEFT ENGINE OIL PRESSURE INDICATOR UNRELIABLE. MAINTENANCE CHECKED OIL QUANTITY, CONNECTIONS, INDICATORS. TEST FLIGHT NORMAL. (X)SDR TWAA9614303Oil Press Sw · leakingSTL - FLT 845 - DURING CRUISE, SHUT DOWN NR 1 ENGINE, SN 4183, DUE TO DECREASING OIL QUANTITY. FOUND OIL PRESSURE DIFFERENTIAL SWITCH, MFG PN 21SN04-149, CAP LEAKING. RE-TORQUED DIFFERENTIAL PRESSURE SWITCH CAP. SERVICED ENGINE OIL SYSTEM. ENGINE OPERATIONSDR SRAA961113Oil Press Line · looseDURING DESCENT, NR 1 ENGINE HAD RAPID QUANTITY AND PRESSURE DROP. SHUT DOWN NR 1 ENGINE PER AOM PROCEDURES AND LANDED WITHOUT INCIDENT. FOUND MAIN OIL PRESSURE LINE POPPED OUT OF COUPLING BRACKET AND RETAINING BOLTS SHEARED OFF. REMOVED BROKEN STUDS AND INSSDR CA961128001Transmitter · faulty(CAN) #2 ENGINE OIL PRESSURE DROPPED TO ZERO ON CLIMBOUT. THERE WAS NO WARNING LIGHT INDICATION. AIRCRAFT RETURNED TO BASE. POST FLIGHT INSPECTION FOUND THE OIL PRESSURE TRANSMITTER FAULTY. THE OIL PRESSURE TRANSMITTER WAS REPLACED.SDR ARWA9611005Oil Press Switch · malfunctionedNR 2 ENGINE OIL PRESSURE LIGHT CAME ON. RETARDED THROTTLE, LIGHT STAYED ON. SHUT DOWN ENGINE AS PER ABNORMAL CHECKLIST, TIME 1430Z, OIL PRESSURE 24 PSI. REMOVED AND REPLACED MAIN OIL FILTER, OLD ONE FOUND NORMAL. PRECAUTIONARY REMOVED AND REPLACED DIFFERENSDR 97ZZZX2321Switch · failedPRESSURE SWITCH WILL NOT ILLUMINATE AT MINIMUM PRESSURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX6070Press Relief Vlv · wornDURING STRAIGHT AND LEVEL CRUISE FLIGHT, FLIGHT CREW INITIATED A PRECAUTIONARY SHUT DOWN OF THE NR 1 ENGINE OF A G-73T SEAPLANE DUE TO DROPPING OIL PRESSURE. AFTER AN UNEVENTFUL LANDING INTO CHUB CAY, BAHAMAS, MAINTENANCE PERSONNEL FOUND THE OIL PRESSURE RELISDR 97ZZZX1402Oil Transmitter · failedORD - FLT 545 - NR 4 ENGINE OIL PRESSURE INDICATED IN THE RED ABOVE 82 PERCENT N2. REMOVED AND REPLACED NR 4 ENGINE OIL TRANSMITTER. RAN NR 4 ENGINE, NO LEAKS NOTED. OIL PRESSURE CHECKED OK.SDR USAASB96228Oil Gauge · failedBWI - FL 322 - AFTER TAKEOFF, THE NR 2 ENGINE OIL PRESSURE WENT FROM LOWER GREEN LINE TO MID YELLOW BAND. FLIGHT RETURNED TO FIELD AT BWI AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MX REPLACED THE NR 2 ENGINE OIL PRESSURE GAUGE AND TRANSDR 96ZZZM1563Oil Transmitter · failedBWI - FL 322 - AFTER TAKEOFF, THE NR 2 ENGINE OIL PRESSURE WENT FROM LOWER GREEN LINE TO MID YELLOW BAND. FLIGHT RETURNED TO FIELD AT BWI AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MX REPLACED THE NR 2 ENGINE OIL PRESSURE GAUGE AND TRANSDR COMA9610331Oil Press Trans · malfunctionedON POWER UP FOR TAKE OFF RIGHT ENGINE OIL PRESSURE WENT UP TO THE RED, 70 PSI. ABORTED TAKEOFF. REPLACED OIL PRESSURE TRANSDUCER, OPS CHECK GOOD.SDR ASOA96049Connector · dirtyUPON DEPARTURE CSG/ATL - RECEIVED RED MAP LIGHT 'OIL', AWU 'OIL', AND NOTED OIL PRESSURE GAUGE FLUCTUATING, THE WARNINGS SELF-EXTINGUISHED THEN RECURRED TWO MORE TIMES. THE CREW PROCEEDED WITH THE CLIMB-OUT AND NOTIFIED THE TOWER OF THE NEED TO RETURN. THE SDR 9623906636Oil Press Line · pin holeENROUTE, THE NR 1 ENGINE OIL QUANTITY DROPPED TO ZERO. THE OIL PRESSURE FLUCTUATED IN YELLOW BAND FOR FIVE MINUTES THEN DROPPED BELOW THE RED BAND. CREW FOLLOWED COM PROCEDURE, SHUT DOWN THE ENGINE AND CONTINUED FLIGHT TO NRT WITHOUT FURTHER INCIDENT. MAINTSDR MALA965189Connector · dirtyFLT 3030 - EN ROUTE TO DTW, THE RIGHT PROP OIL PRESSURE BEGAN TO FLUCTUATE FULL SCALE. ALL OTHER ENGINE PARAMETERS WERE NORMAL. THE AIRCRAFT DIVERTED TO TVC. MAINTENANCE CLEANED THE CANNON PLUG AT THE RIGHT PGB OIL TRANSDUCER. ALL CHECKS SATISFACTORY DURINSDR 9623419301Oil Press Ind · malfunctionedDURING TAKEOFF ROLL AT 80 KNOTS, THE LEFT ENGINE OIL PRESSURE INCREASED TO 60 PSI. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE OIL PRESSURE TRANSMITTER, OIL PRESSURE INDICATOR AND ADJUSTED THE PRESSURE RELIEF VALVE ON THE LEFT ENGSDR RRXA96162Oil Press Tube · leakingAT FL 330, NR 3 ENG LOW OIL PRESSURE LIGHT CAME ON. OIL PRESSURE DROPPED TO 5 PSI AND QUANTITY WENT TO ZERO. ENGINE SHUTDOWN, DIVERTED TO KBOS. MAINTENANCE REPLACED THE LINE FROM THE OIL PRESSURE SWITCH. OPERATIONAL CHECK OF THE OIL SYSTEM WAS GOOD.SDR REXA96064Transducer · failedPERFORMED A PRECAUTIONARY SHUTDOWN ON RIGHT ENGINE, OIL PRESSURE AND GAUGE. REMOVED AND REPLACED RIGHT PGB OIL TRANSDUCER IAW GEMM. GROUND RUNS GOOD. OK FOR SERVICE. (M)SDR CALA9601513Oil Press Sw · crackedTHE NR 2 ENGINE LOW OIL PRESSURE LIGHT ILLUMINATED AND THE ENGINE OIL QUANTITY DROPPED WHILE ON APPROACH. THE 2 ENGINE WAS SHUT DOWN AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 2 ENGINE OIL PRESSURE SWITCH CASE CRACKED AND LEAKING OIL.SDR CA961114001Switch · faulty(CAN) ON DESCENT #2 ENGINE LOW OIL PRESSURE/FILTER BYPASS LIGHT ILLUMINATED. OIL TEMPERATURE, OIL QUANTITY AND OIL PRESSURE ALL INDICATED NORMAL. POWER WAS REDUCED, LIGHT WOULD NOT EXTINGUISH, #2 ENGINE WAS SHUTDOWN. POST FLIGHT INSPECTION AND ENGINE GROUND RUSDR ZZDA7921396Elbow · looseMCI/MCO - FLT 823 - DURING CRUISE POWER, OIL QUANTITY ON NR 1 ENGINE DROPPED TO .6 GALLONS WITH PRESSURE AND TEMPERATURE NORMAL. REDUCED RPM TO IDLE AND DIVERTED TO BNA WHERE A NORMAL LANDING WAS MADE. MECHANICS INSPECTED NR 1 ENGINE AND FOUND DIFFERENTIAL OSDR ZZDA7921296O-Ring · leakingMCO/OMA - FLT 800 - ON FLIGHT, NR 1 ENGINE OIL QUANTITY STARTED TO DECREASE ACCOMPANIED BY A DROP IN OIL PRESSURE (TO 30 PSI) FOLLOWED BY THE NR 1 ENGINE OIL PRESSURE LIGHT ON STEADY. POWER WAS REDUCED TO IDLE RPM ON NR 1 ENGINE AND AIRCRAFT WAS DIVERTED TO MSDR USAAD96151Relief Valve · failedFLT 2285 - PBI-DCA - AT CRUISE THE CREW NOTICED HIGH OIL PRESSURE ON NR 1 ENGINE. FLIGHT DIVERTED TO MCO. NO EMEGENCY WAS DECLARED. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED LEFT OIL PRESSURE RELIEF VALVE. OPERATIONAL CHECK WAS GOOD. (SDR TAOA109609Switch · failedNR 3 ENGINE LOW OIL PRESSURE/FILTER BYPASS LIGHT CAME ON. FOLLOWED ABNORMAL CHECKLIST NO HELP. ENGINE SHUT DOWN AS A PRECAUTION. OIL PRESSURE STAYED AT 15 PLUS PSI AFTER SHUT DOWN. CHECKED MAIN ENGINE OIL FILTER-CHECKS OK. REPLACED OIL FILTER AND REPLACEDSDR HEEA968311Indicator · sticksPRESSURE INDICATOR STICKSSDR HEEA968285Transmitter · defectivePRESSURE READS HIGH.SDR HEEA968234Transmitter · defectiveTRANSMITTER CAUSED LOW OIL PRESSURE READINGS.SDR RAIA961015Transmitter · failedAFTER TAKEOFF NR 1 OIL PRESSURE INCREASED TO 120 PSI. REPLACED OIL PRESSURE TRANSMITTER. (M)SDR VTZA97016Press Transducer · failedFLT 6567 - BOS-EWR - DURING CRUISE FLT, EXPERIENCED A FLUCTUATION OF THE RT OIL PRESS INDICATOR. FLT CREW DECLARED EMERGENCY, SHUT DOWN RT ENG AND RETURNED TO BOS. FLT CREW MISINTERPRETED QRH, AS NO OTHER INDICATIONS WERE AFFECTED. A/C LANDED AT BOS WHERE TSDR ABXA9600643Transmitter · defectiveNR 3 OIL PRESSURE FLUCTUATES BETWEEN 46 AND 51 PSI WITH CRUISE POWER SET. FLUCTUATION STOPS AS THROTTLE IS RETARDED TO IDLE IN DESCENT BUT FLUCTUATION BEGINS AS POWER IS APPLIED. AT INTERMEDIATE LEVEL OFF OIL TEMP WAS 45 DEGREES CELSIUS, OIL QUANTITY 8.9 GALSDR ABXA9600635Relief Valve · stickingDURING DESCENT, NR 3 OIL PRESSURE DROPPED TO 25 PSI WITH NR 3 OIL PRESSURE LIGHT ILLUMINATED. ENGINE SECURED, OIL QUANTITY 9 GALLONS, OIL TEMPERATURE 75 DEGREES CELSIUS AT SHUTDOWN. WIND MILLED APPROXIMATELY 12 MINUTES, OIL PRESSURE DID NOT GO BELOW 24 PSI. SDR HEEA968100Transmitter · faultyREPORTED C/BOX PRESSURE RUNS AT MINIMUM GREEN (MFG DATE 6-96)SDR UPS96621224Oil Press Trans · inoperativeBLOCK TURN BACK, LEFT OIL PRESSURE EICAS IN AMBER. DECREASE TO RED RANGE. READ 8 PSI, SHUT ENGINE DOWN AND RETURNED TO RAMP. OIL PRESSURE LIGHT NOT ILLUM. REMOVED AND REPLACED LEFT ENGINE OIL PRESSURE TRANSMITTER, LEAK AND OPS CK'D OK. P/N OFF 418-09104. SDR HEEA967991Indicator · failedENGINE OIL PRESSURE FAILED. RECEIVED AIRCRAFT WITH WRITE UP THAT INDICATOR FAILED.SDR 96ZZZX5640Transducer · failedOIL PRESSURE TRANSDUCER APPEARS TO HAVE GROUNDED ITSELF INTERNALLY CAUSING AN INDICATION OF NO OIL PRESSURE WHILE IN-FLIGHT.SDR COMA9610282Switch · defectiveRT ENGINE OIL PRESSURE WARNING LIGHT ILLUMINATED. PRESSURE GAUGE INDICATION WAS NORMAL. REPLACED THE ENGINE OIL PRESSURE SWITCH.
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