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 AALA2009062200009Pressure Switch · defectiveDFW - CREW REPORTED OIL STRAIN LIGHT INDICATION IN THE RIGHT ENGINE. EMERGENCY DECLARED, RETURNED TO DFW WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED OIL STRAINER DIFFERENTIAL PRESS SWITCH. SYSTEM GROUND CHECK NORMAL OPERATION.SDR FDEA200906182154Oil System · low pressureLOW OIL PRESSURE LIGHT ILLUMINATED, OIL PRESSURE ON S/O'S PANEL INDICATED YELLOW ARC, PREFORMED ENG FAIL/SHUTDOWN CHECKLIST. DURING CHECKLIST OIL QUANITY DROPPED RAPIDLY TO ZERO. OIL PRESSURE IN YELLOW ARE FOR APPROX 130 MIN. DURING DECENT PERFORMED ENG WINSDR UALA2009061201678Transmitter · faultyNR 1 ENGINE OIL PRESSURE INDICATION. REPLACING OIL PRESSURE XMITTER. DUE TO PREVIOUS HISTORY OF LOW OIL PRESS EICAS MSG LT ENG, REPLACING LOW OIL PRESSURE SWITCH. LEAK CHECKED & NO LEAKS NOTED.SDR A6WA200940302Pressure Switch · malfunctioned204552/2 - ON CLIMBOUT, LT ENG OIL PRESS CAS WARNING MULTIPLE TIMES. ACCOMPANIED BY OIL PRESS OF 22-24 PSI UP TO 44 PSI. OIL TEMP WAS 10 DEGREES HIGHER THAN RT. WARNING WENT AWAY WITH POWER REDUCTION. REMOVED AND REPLACED LT LOW OIL PRESSURE SWITCH IAW AMMSDR HALA2009060300227Pressure Switch · malfunctionedETOPS SIGNIFICANT SYSTEM, R OIL FILTER EICAS STATUS MESSAGE DISPLAYED. PERFORMED FIM 79-35-00 FIGURE 103. CHIP DETECTOR CLEAN. REPLACED MAIN OIL FILTER PER AMM 79-21-05. REPLACED DIFF PRESSURE SWITCH PER AMM 79-35-01. OPS CHECKS GOOD.SDR AALA2009043000001Switch · inoperativeTUL - INFLIGHT SAT-ORD. LEFT ENGINE OIL STRAINER CLOG LIGHT ILLUMINATED. EMERGENCY DECLARED, LANDED TUL WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED NEW FILTER. FOUND OIL DIFFERENTIAL SWITCH BAD REPLACED WITH SWI3004.SDR TRBA2009055Oil System · fluctuatesNR 2 ENGINE OIL PRESSURE LIGHT STARTED TO FLUCTUATE ALONG WITH LOW OIL PRESSURE IN THE CAP. THE OIL PRESSURE NEEDLE STARTED TO FLUCTUATE WITHIN THE YELLOW ARC AND SOON AFTER BOTH ENGINE OIL LIGHT AND CAP LIGHT ALONG WITH MASTER WARNING AND CRC. SHUT NR 2 ENGSDR DL76L090673Transmitter · malfunctionedRTB DUE TO, WHEN STARTING RT ENG OIL QTY WENT DOWN 6 THEN AFTER A FEW MINUTES IT WENT BACK TO UP TO 9. SERVICE RT ENG OIL QTY AND FWD OIL QTY TO MCO PER MEL 79-31-01. REMOVED AND REPLACED NR 2 ENG OIL QTY XMITTER PER M/M. SERVICE ENG OIL TO FULL. OPERATED SDR NSVA2009016Transducer · failedAT 13000 LT ENGINE OIL PRESSURE WAS AT 117 PSI, OIL PRESSURE WAS FLUCTUATION. LT ENGINE SHUTDOWN AND DIVERTED TO ALB. REMOVED AND REPLACED LEFT ENGINE OIL PRESSURE TRANSDUCER IAW AMM 79-31-01-000-801 AND 79-31-01-400-801 FOUND OPERATIONAL CHECKS GOOD, NO LEASDR CA090407001Sensor · malfunctionedCREW REPORT VIA ACARS THAT THE NR 1 ENGINE WAS FLUCTUATING BETWEEN 77 TO 105 PSID, THEN INCREASED TO 178 PSI. THE OIL TEMP WAS INCREASING RAPIDLY. CREW ELECT TO SHUT DOWN ENGINE. MAIN OIL PRESSURE SENSOR REPLACED, AIRCRAFT RETURN TO SERVICE.SDR CA090326011Fuel Line · leaking(CAN) OWNER ADVISED THAT FUEL WAS DRIPPING FROM WING ROOT AREA AFTER TANKS WERE FILLED. INSP REVEALED THAT THE RUBBER FUEL HOSE USED TO JOIN HARD LINES FROM WING TANKS TO HARD LINES IN FUSELAGE WAS IN VERY POOR CONDITION. ONE HOSE WAS WEEPING FROM FINE LONGISDR Z5FA030209N511CS1Transducer · failedAT CRUISE ALT FL4000, ENGINES AT REDUCED PWR FOR LANDING, BOTH ENGINE OIL PRESS INDICATIONS ENTERED THE RED WHEN ENGINES PULLED BACK. PRESSURE LOWERED THEN BACK INTO THE RED. REMOVED LT AND RT OIL PRESSURE TRANSDUCERS AND INSTALLED NEW. P/N ON AND OFF BOTH SDR FDEA200903060856Transmitter · inoperativeAFTER TAKEOFF NR 1 ENG OIL PRESSURE FELL TO 0. ENGINE SHUT DOWN. QTY REMAINED NORMAL. OPENED ENGINE COWL AND NO OIL LEAK NOTED. REMOVED AND REPLACED OIL PRESSURE TRANSMITTER IAW AMM 79-33-11-4. LEAK CHECK CARRIED OUT AND OIL PRESSURE NORMAL. CLOSED FAN ASDR CHQA200900071Warning System · malfunctionedFLIGHT 5994, HOT TO HOT (CHECK FLIGHT) - DURING DESCENT BACK INTO HOT DURING A MAINTENANCE FLIGHT THE CREW RECEIVED A LOW OIL PRESSURE WARNING. THE QRH WAS FOLLOWED AND E2 WAS SHUT DOWN. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED AN ENGINE SDR UALA200903100071ATransmitter · faultyENGINE NR 2 LOW OIL PRESSURE EICAS MESSAGES. REPLACED PUMP ASSY. REPLACED OIL PRESSURE TRANSMITTER PER MM 79-32-01. OPS CHECK GOOD.SDR CA090227001Pressure Sensor · malfunctioned(CAN) PILOT REPORTS DURING DESCENT HE REVIEWED THE EICAS. HE SAW THE RT ENGINE OIL PRESSURE WAS INDICATING RED AND VERY LOW. HE PULLED THE POWER BACK ON THE RT ENGINE AND THE PRESSURE WENT AS LOW AT 10PSI. HE PUSHED THE POWER BACK UP AND THE OIL PRESSURE INCSDR J7SA300200570209Transducer · malfunctionedRT OIL PRESSURE DROPPED TO 20 PSI WITH A RED INDICATION DURING DESCENT THROUGH FL280. THE RT THRUST LEVER WAS REDUCED AND THE INDICATION DROPPED TO 10 PSI. SHUT THE ENGINE DOWN PER THE QRH AND LANDED SINGLE ENGINE. IFE DECLARED WITH NO DIVERSION REQUIRED. SDR BSYA2009014Unknown · unknownAIRCRAFT GOING INTO HFD, DIVERTED TO BDL BECAUSE OF RIGHT ENGINE HAD LOW OIL PRESSURE. MAINTENANCE ADJUSTED OIL PRESSURE TO THE MIDDLE OF GREEN ARC. OK FOR CONTINUED SERVICE.SDR C2XAA09RI022Transducer · inoperativeFLIGHT 3072 - EWR - FLIGHT CREW PERFORMED GO AROUND DUE TO ENG NR 2 OIL PRESS LOSS, BUT STILL IN GREEN. CREW DECLARED EMERGENCY AND RETURN BACK TO LAND. WHEN THRUST REDUCED OIL PRESSURE WENT TO RED. CREW SHUT DOWN THE ENGINE DURING TAXI. ENGINE OIL QUANTITSDR UALA2009020900426Transmitter · faultyNR 2 ENGINE OIL PRESSURE DISPLAY INTERMITTENT, QTY & TEMP NORMAL. REPLACED NR 2 OIL PRESSURE TRANSMITTER AND RAN ENGINE. OPS GOOD.SDR CA081229002Oil System · malfunctioned(CAN) PILOT REPORTED LOW OIL PRESSURE READING (15-20 PSI) WHILE PERFORMING TEST FLIGHT AFTER MAINTENANCE. NO LEAKS WERE DETECTED & ACFT GROUND RUN WITH AN EXTERNAL PRESSURE GAUGE TO VERIFY PRESSURE READINGS ON ACFT GAUGE. OIL PRESSURE RELIEF SPRINGS & PLUNGESDR UALA2008122206951Pressure Switch · failedENGINE OIL FILTER SENSOR L THE PRESSURE SWITCH FOR DETECTING IMPENDING OIL FILTER BYPASS ON THE LEFT ENGINE HAS FAILED. STATUS MSG01- ACTIVE CRUISE MODE DEPENDENT; SWITCH POSITION SIGNAL FROM OIL FILTER DIFFRNTL PRESS SW (L ENG) CHANNEL A AND B DO NOT AGREE.SDR CA081218006Bypass Valve · leaking(CAN) THE CREW REPORTED THAT ONE TIRE HAD BLOWN DUE TO FROZEN BRAKES. AN AME WAS SENT TO CHANGE THE WHEEL AND FLY BACK TO THE BASE WITH THE AIRCRAFT. UPON RETURN TO BASE, A LARGE OIL LEAK WAS NOTED COMING FROM THE NR 2 ENGINE. IT WAS EVENTUALLY DETERMINED BSDR FDEA200812015036Pressure Switch · malfunctionedNR 1 ENGINE SHUT DOWN IN FLIGHT DUE TO LOW PRESSURE/FILTER BYPASS LIGHT. COMPLIED WITH QRH ENGINE WINDMILLED 2 MIN PRIOR TO SHUT DOWN. OIL PRESSURE AT APPROX 40 PSI. FOUND FAULTY LOW OIL PRESS SWITCH, REMOVED AND REPLACED SWITCH IAW MM 79-34-001-4, ALSO CSDR 2008FA0000880Sensor · defectiveSENSOR PRODUCED A FALSE HIGH OIL PRESSURE INDICATION DURING ACFT APPROACH TO AIRPORT. PROBABLE CAUSE WAS INTERNAL FAILURE, RECOMMENDATIONS TO PREVENT RECURRENCE ARE UNAVAILABLE, AS THE FREQUENCY OF THIS TYPE OF OCCURRENCE HAS BEEN VERY LOW.SDR PNSA02Warning System · activatedLEFT OIL PRESSURE LIGHT CAME ON DURING TAKEOFF.SDR ASOA200801495Oil System · malfunctionedRT ENG OIL PRESSURE MSG IN FLT. OIL PRESSURE FLUX BETWEEN 40-24 PSI, FOLLOWED QRH EMERGENCY, 1-13 OIL PRESS WENT TO 24 PSI, IN FLT ENG SHUTDOWN PER QRH. EN ROUTE TO ATL A/C DIVERTED TO MCI DUE TO MTC - EMERGENCY DECLARED. REMOVED AND REPLACED NR 2 ENG IDG, SDR 2008UALA06415Pressure Switch · failedENGINE OIL FILTER SENSOR L THE PRESSURE SWITCH FOR DETECTING IMPENDING OIL FILTER BYPASS ON THE LEFT ENGINE HAS FAILED. STATUS MSG-7960861 ACTIVE ERROR MODE MSG-7960861 ACTIVE ER MODE. ACPD LEFT ENG OIL TANK MASTER CHIP DETECTOR FOR CONTAMINATION. CHIP DETESDR 2008UALA06277Transmitter · faultyCREW REPORTS: ENG 1 OIL PRESSURE FLUCTUATES 166-120 PSI, ALL OTHER INDICATION NORMAL. FOUND FAULTY TRANSMITTER. REPLACED TRANSMITTER. LEAK CHECKS GOOD. OK FOR SERVICE.SDR ASOA200801372Warning System · activatedAIR RETURN DUE TO "RED" RT ENGINE OIL PRESSURE EICAS MSG IN FLIGHT. RT ENGINE OIL PRESSURE AT ZERO PSI. OIL QUANTITY STATUS MSG AT 15 PERCENT. FLT 5052 DEL 58 MINS. AIRCRAFT RETURNED TO ICT AFTER T/O. EMERGENCY DECLARED. FLT 5052 CX.SDR C2XA08CL117Oil System · fluctuatesEWR FLIGHT NR 2142 THE CREW REPORTED DURING TAKEOFF ROLL AND INITIAL CLIMBOUT THE OIL PRESSURE REMAINED ABOVE 115 PSI FOR 2 MIN ON THE NR 1 ENGINE. ALSO BELOW 13000 FT THE NR 1 ENGINE OIL PRESSURE WOULD ENTER THE AMBER RANGE WITH THRUST IN DESCENT. MX INSPECSDR A6WA200840590Oil System · fluctuatesON REACHING CRUISE ALTITUDE, EICAS SHOWN RT ENGINE OIL LOP MASTER WARNING OIL PRESSURE FLUX BETWEEN 38-53 PSI UNTIL JUST BEFORE LANDING WHEN AGAIN RECEIVED RT ENGINE LOP. CORRECTIVE ACTION IN PROGRESS. (K)SDR CA080826007Indicator · defective(CAN) OIL PRESSURE NEEDLE INDICATES HIGH OIL PRESSURE WHEN ENGINE IS OPERATING (100- 105 PSI) READS OFF OF ZERO WHEN ENGINE IS NOT OPERATING (10-15 PSI) 106.5 HRS SINCE OVERHAUL.SDR UPS08553163Oil System · low pressureINSPECTION TYPE:N/A IFSD - LOSS OF RIGHT ENGINE OIL PRESSURE IN FLIGHT. CREW DECLARED EMERGENCY. *SUPPLEMENTAL SDR* REMOVED AND REPLACED RIGHT ENGINE PER TC 5001. OPS CHECK AND LEAK CHECK GOOD.SDR AALA200801952Pressure Switch · inoperativeORD INFLIGHT T70/24JUL DFW TO FRA. CREW REPORTED RT HAND ENGINE OIL SCAVENGE FILTER CLOG LIGHT ILLUMINATED. LANDED ORD WITHOUT INCIDENT. REPLACED DIFFERENTIAL PRESSURE SWITCH. SYSTEM GROUND CHECKED NORMAL OPS. (CLOSED)SDR CA080804003Oil System · low pressure(CAN) DURING CRUISE FLIGHT, THE MASTER CAUTION WARNING SYS CAME ON IN CONJUNCTION WITH THE LOW OIL PRESSURE ANNUNCIATOR. THE CREW ELECTED TO SHUT THE ENGINE DOWN WHEN THE OIL PRESSURE WAS AT OR BELOW 30 PSI. AN UNEVENTFUL SINGLE ENGINE LANDING FOLLOWED. TROUBLSDR 2008UALA03858Transmitter · reads highDURING CLIMB LEFT ENG OIL PRESS PEGGED OUT AT 400 PSI AT LEVEL OFF PRESS JUMPED TO 200. REPLACED OIL PRESSURE TRANSMITTER.SDR 2008UALA03623Light · inoperativeTHE L ENG OIL PRESS LIGHT IS NOT ILLUMINATED ON FORWARD 1ST PANEL.SDR AALA200801718Tube · crackedMCI INFLIGHT T358/27JUN PHX TO ORD. CREW REPORTED LOSS OF OIL AND PRESSURE ON NR ONE ENGINE. CREW SHUT DOWN ENGINE. LANDED MCI WITHOUT INCIDENT. SINGLE ENGINE TIME APPROXIMATELY 20 MINUTES. FOUND CRACK IN OIL LOW PRESSURE SWITCH TUBE. REPLACED TUBE FOR OSDR HALA0800585Transmitter · inoperativeETOPS SIGNIFICANT SYSTEM , RT OIL PRESSURE NO DIGITAL READING ON MONITOR. REMOVED AND REPLACED RT ENG OIL PRESS XMTR PER AMM 79-32-01 OPS AND LEAK CHECKED GOOD.SDR AALA200801150Pressure Switch · defectiveSFO INFLIGHT T2426/29APR SJC TO DFW - NUMBER ONE ENGINE OIL CLOG LIGHT ILLUMINATED ON CLIMB-OUT. PER CHECKLIST SHUT DOWN NUMBER ONE ENGINE. OIL TEMPERATURE AT IDLE WAS 110 DEGREES. SINGLE ENGINE TIME 30 MINUTES. LANDED SFO WITHOUT INCIDENT. REPLACED OIL SSDR S8A2008F00001Transducer · failedAT 15,000 ENROUTE, AIRCRAFT LOST INDICATION OF OIL PRESSURE ON THE NR ONE (LEFT) ENGINE AND THE FLIGHT CREW ACCOMPLISHED A PRECAUTIONARY SHUTDOWN OF THE NR ONE ENGINE. AFTER A REVIEW BY THE FLIGHT CREW OF ALL INDICATING ENGINE INSTRUMENTATION THE FLIGHT CREW DSDR 2008FA0000378Transmitter · malfunctionedFOLLOWING ACTIONS WERE TAKEN AS A RESULT OF A PRECAUTIONARY LANDING, WHERE PILOT REPORTED A LOSS OF OIL PRESSURE. AT CRUISE, AT 8000 FT, OIL PRESSURE ANNUNCIATOR LIGHT ILLUMINATED, OIL PRESSURE GAUGE INDICATED NO OIL PRESSURE. AFTER LANDING, OIL PRESSURE RESDR CA080227003Oil System · low pressure(CAN) LOW OIL PRESS WARNING ON NR 2 ENGINE APPROX 3 MINS AFTER TAKEOFF AT 6000FT MSL ON DEPARTURE CLIMBOUT. AFTER IDENTIFICATION OF FAULT AND CONFIRMATION THAT THE FAULT WAS NOT AN INDICATION PROBLEM NR 2 ENGINE WAS SHUTDOWN AND SECURED. RETURNED SAFELY. THE SDR CA080125001Oil System · unknown(CAN) APPROXIMATELY 5 -7 MINUTES AFTER TAKEOFF, THE WARNING LIGHT (LOW OIL PRESS R ) WAS OBSERVED ON THE M.A.P. AND (0) ON THE OIL PRESSURE INDICATOR TAPE . A PRECAUTIONARY ENGINE SHUTDOWN WAS PERFORMED FOLLOWED BY THE DECLARATION OF AN EMERGENCY. ENG IS STILLSDR CA080220007Oil System · low pressure(CAN) DURING CRUISE, THE OIL PRESSURE WAS NOTED TO DROP. THE CREW SHUTDOWN THE ENGINE AND PERFORMED A SINGLE ENGINE LANDING. ENGINE IS BEING SENT FOR INVESTIGATION. MFG WILL CONTINUE INVESTIGATING THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED (TC NR 200SDR C2XA08IA006Pressure Sensor · faultyIAH - FLIGHT 2298, THE CREW REPORTED E2 HI OIL PRESSURE WHEN THROTTLES ADVANCED IN FLIGHT. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NUMBER TWO ENGINE OIL PRESSURE SENSOR, OPERATIONALLY CHECKED WITH NSDR CA080116013Oil System · low pressure(CAN) DURING CRUISE, THE ENGINE OIL PRESSURE FLUCTUATED INTERMITTENTLY, THEN DROPPED DURING DESCENT. THE CREW ELECTED TO SHUTDOWN THE ENGINE. ENGINE IS TO BE INVESTIGATED BY MFG, UPDATES TO FOLLOW. (TC NR 20080116013)SDR TRBA2007116Pressure Switch · failedLOW OIL PRESSURE WARNING ON NR 2 ENG. REMOVED AND REPLACED NR 2 ENG OIL PRESS SWTICH TRANSMITTER IAW JIC 79-33-61.
SDR C2XA08RI011Transducer · faultyFLT 2609 - EWR - CREW REPORTED ENGINE NR 2 OIL PRESS SPIKE TO THE RED RANGE (ABOUT 165) AND PRESSURE STAYED IN THE AMBER FOR MORE THAN 5 MIN. CREW PERFORMED AIR RETURN AND ACFT LANDED UNEVENTFULLY. EWR MX REMOVED AND REPLACED ENGINE NR 2 OIL PRESS/TEMP TRANS
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