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.

SDR MWEA020165Transmitter · faultyAFTER ENGINE START THE LEFT ENGINE OIL PRESSURE WAS 56 PSI WITH THE OUTSIDE AIR TEMPERATURE -11 DEGREES FAHRENHEIT AND OIL TEMPERATURE WAS COLD. THE LEFT FUEL HEAT WAS CYCLED TO WARM OIL TEMPERATURE AND LEFT OIL PRESSURE REDUCED TO 54 PSI AS TAKEOFF POWER WASMar 10, 2002 · N601ME · Doug MD88SDR RAIA00203096Valve · malfunctioned5592-STL - LOW OIL PRESSURE ANNUNCIATOR LIGHT ILLUMINATED DURING TAXI. MAINTENANCE REMOVED AND REPLACED THE OIL PRESSURE PRIORITY VALVE, OPS AND LK CK OK.Mar 8, 2002 · N722TE · Aerosp ATR72202SDR HEEA078141Transmitter · fluctuatesOIL PRESSURE TRANSMITTER FLUCTUATING.Mar 1, 2002 · N501PH · Bell 407SDR CA020308013Engine · failed(CAN) START OF THE DAY. NR 1 OIL PRESSURE WOULD GO TO 70PSI. THEN SPIKED TO 90PSI. ALL GROUND TEST SYSTEM NORMAL. ON TAKEOFF ROLL AT V1 NR 1 ENGINE OIL PRESSURE LIGHT CAME ON INTERMITTENTLY AS OIL DROPPED TO 40PSI AT LEAST 3 TIMES OIL PRESSURE THEN RESUMED NORFeb 28, 2002 · Dhav DHC8102SDR HEEA078227Transmitter · malfunctionedOIL PRESSURE INDICATOR SHOWS NO PRESSURE ON ENGINE START. REPLACED THE OIL PRESSURE TRANSMITTER.Feb 28, 2002 · N975AE · Snias AS350BSDR AUS20020217Pipe · corroded(AUS) PIPE BETWEEN OIL PRESSURE INDICATOR AND HOUR-METER BLOCK CORRODED AND FLARE SPLIT. HOUR-METER BLOCK FIREWALL FITTING LOOSE AND REAR FITTING HAD INCORRECT THREAD TYPE. OIL LEAKING FROM BEHIND DASH.Feb 23, 2002 · Cessna TR182SDR ERAA077922Switch · inoperativeOIL PRESSURE WARNING SWITCH IS INOPERABLE.Feb 15, 2002 · N128EH · Bolkms BO105SSDR 2002F00336Transducer · failedDURING CLIMB-OUT, THE CREW NOTICED THE LT OIL PERSSURE WAS BELOW THE LOWER REDLINE ON THE GAUGE. THE ANNUNCIATOR PANEL LOW OIL PRESSURE LIGHT WAS NOT ON, AND THE OIL TEMP WAS NORMAL. ALL OTHER ENGINE INDICATIONS WERE NORMAL. CREW RETURNED TO STATION WITH NOFeb 7, 2002 · N853LS · Frchld SA227DCSDR MALA020151Transducer · faultyDURING FLIGHT 2771, RT OIL PRESSURE DROPPED INTO RED AND GOT WARNING LIGHT. CREW DID NOT HAVE TO SHUTDOWN ENGINE ON FINAL WITH ENGINE OIL PRESSURE IN RED. AIR RETURN TO CMI. MAINTENANCE REPLACED THE OIL PRESS TRANSDUCER.Feb 5, 2002 · N410XJ · Saab 340BSDR DL72W020134Transmitter · faultyNR 3 OIL PRESSURE INDICATION DROPPED TO 32 PSI WHEN TAKEOFF POWER APPLIED. TAKEOFF ABORTED AT 70 KTS, GROSS WEIGHT 162.0. BRAKE COOLING IN NORMAL RANGE. REPLACED NR 3 ENGINE OIL PRESSURE TRANSMITTER, LEAK CHECKS OK. PRESSURE CHECKS NORMAL ON ENGINE RUN.Feb 3, 2002 · N296WA · Boeing 727247SDR SWIA200210646Warning System · malfunctionedDURING FLIGHT OIL PRESSURE MESSAGE ILLUMINATED, ENGINE WAS SHUT DOWN PER QRH. DIVERTED TO IDA. INSPECTED RIGHT ENGINE FOR OIL LEAKAGE AND PROPER OIL SERVICE LEVEL. PERFORMED VISUAL OIL LEVEL INSPECTION OF AGB. RAN AIRCRAFT ON GROUND FOR APPROXIMATELY 1 HOUFeb 2, 2002 · N498SW · Cndair CL6002B19SDR R7MR35308Transmitter · inoperativePRESSURE TRANSMITTER, UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 29, 2002 · N105LC · Bolkms BO105CBSSDR ARWA20020115Pressure SwitchLOG PAGE 109685. DISCREPANCY: AFTER TAKE OFF ENGINE #3 OIL PRESS LIGHT CAME ON, OIL PRESS 50 Psi, PRESS 40 Psi WITH POWER LEVER @ IDLE, OIL TEMP INCREASED TO 128 C ENGINE SHUT DOWN IAW AOM ABNORMAL PROCEDURE. ENGINE SHUT DOWN AT 2352Z. AIRCRAFT RETURNED TO KMIJan 29, 2002 · N441J · Doug DC863FSDR AWXA200200085Transmitter · reads lowAT TAKEOFF FROM PHX ENROUTE TO SLC, NR 1 ENGINE OIL PRESSURE READ 26 PSI AT 80 KTS, ALL OTHER ENGINE INDICATIONS WERE NORMAL, ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE TROUBLESHOT AND REPLACED THE NR 1 ENGINE OIL TRANSMITTER. ENGINE RUN OPERATIONAL CJan 29, 2002 · N182AW · Boeing 737277SDR 2002F00515Bracket · crackedAT C-CHECK, FOUND LOWER MOUNT BRACKET FOR THE OIL PRESSURE LIGHT SWITCH ON NR 2 ENGINE CRACKED. (M)Jan 17, 2002 · N7638U · Boeing 727222SDR ACE0102021Wire · brokenAFTER TAKEOFF, NR 2 ENGINE OIL PRESSURE INDICATED (0) UNTIL POWER WAS REDUCED TO 1700 LBS TORQUE. RETURNED TO AIRPORT FOR AN UNEVENTFUL LANDING. MAINTENANCE REPAIRED A BROKEN WIRE AT THE NR ENGINE OIL PRESSURE TRANSMITTER CONNECTOR.Jan 4, 2002 · N1566C · Beech 1900CSDR SWIA200210506Pressure Switch · faultyABORTED TAKEOFF DUE TO OIL WARNING (AURAL) AND NR 1 OIL LIGHT BLINKING ON. OIL LEVELS WERE SATISFACTORY DURING PREFLIGHT. ABORT INITIATED AT APPROXIMATELY 80 KTS. REPLACED NR 1 ENGINE LOW OIL PRESSURE SWITCH. OPS CHECK AND LEAK CHECK GOOD ON GROUND RUNUP. Jan 1, 2002 · N209SW · Emb EMB120ERSDR COMA0260018Pump · malfunctionedFLIGHT 5958 LEFT ENGINE LOST OIL PRESSURE I.F.S.D.COULD NOT DUPLICATE DISCREPANCY - REPLACED THE ENGINE OIL PUMP FOR TROUBLE SHOOTING.Jan 1, 2002 · N912CA · Cndair CL6002B19SDR ARWA20011214Transmitter · erraticNR 4 OIL PRESSURE WENT TO 0 PSI AFTER TOP OF DESCENT, NR 4 OIL PRESS LIGHT ILLUMINATED, ENGINE WAS SHUT DOWN. BLED NR 4 ENGINE OIL SYSTEM, REMOVED AND REPLACED MAIN OIL FILTER IAW P&W 72-0, FOUND OIL PRESS XMTR ERRATIC, R&R IAW MM 79-32-1, OPS CKD DURING ENGIDec 27, 2001 · N29UA · Doug DC861SDR CA020110002Transmitter · failed(CAN) ENGINE NR 1 OIL PRESSURE DROPPED TO 20 PSI AFTER TAKEOFF. ENGINE FAILURE AND SHUT DOWN COMPLETED. AIRCRAFT RETURNED TO VANCOUVER. OIL PRESSURE TRANSMITTER REPLACED.Dec 24, 2001 · Boeing 737217SDR AT0100243O-Ring · inoperativeFOUND #1 ENGINE LOST ALL OIL, SHUT DOWN #1 ENGINE AT 38 PSI OIL PRESSURE-ALL OTHER ENGINE PARAMETERS DID NOT EXCEED ILIMITATIONS. CORRECTIVE ACTION: FOUND BAD O-RING ON GEAR BOX TO OIL COOLER. REPLACED O-RING. IAW DC9 MM 79-20-2Dec 20, 2001 · N836AT · Doug DC932SDR CA011214001Oil Filter · damaged(CAN) WHEN REPLACING INBD O-RING, FOUND VERY SHARP EDGE IN OIL FILTER BODY DAMAGING O-RING EVERY TIME.Dec 14, 2001 · Beech C90ASDR AALA20012154Wire Harness · faultyDFW - FLT 542 - EN ROUTE DFW-TYS, DURING CLIMB-OUT, NR 2 OIL PRESSURE WARNING ILLUMINATED ON MFDU. RETURNED DFW AND LANDED WITHOUT FURTHER INCIDENT. REPLACED NR 2 ENGINE EMUX HARNESS. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)Dec 9, 2001 · N1452B · Fokker F28MK0100SDR ARWA20011204Limiter · out of adjWHILE SETTING MAX POWER TAKEOFF, NR 4 ENGINE OIL PRESSURE MAXED OUT. PERFORMED ENGINE RUN IAW MM 71-00; FOUND OIL PRESSURE AT TAKEOFF 58 PSI WITHIN LIMITS IAW AA DC8 MM PAGES 5-35-90. ADJUSTED UPPER LIMIT TO 54 PSI IAW MM 79-20-5. OPS NORMAL, 41 PSI AT IDLEDec 5, 2001 · N810BN · Doug DC862SDR HEEA077449Transmitter · malfunctionedENGINE OIL PRESSURE HADN`T ANY INDICATION ON START FOR 3 SECONDS.Dec 3, 2001 · N973AE · Snias AS350BSDR AUS20011210Pressure Switch · failed(AUS) NR 2 ENGINE OIL PRESSURE WARNING LIGHT PRESSURE SWITCH FAILED.Nov 14, 2001 · Dhav DHC8102SDR MALA010772Transducer · failedON LANDING OF FLIGHT 3001, ROLL OUT RT ENGINE OIL PRESSURE DROP TO ZERO. RT OIL PRESSURE LIGHT ALSO ILLUMINATED. CREW SHUTDOWN ENGINE AND FINISHED TAXIING IN ON ONE ENGINE. MAINTENANCE RAN AC, FOUND OIL PRESSURE GEARBOX READING HIGH, REPLACED GEARBOX OIL PRNov 12, 2001 · N406XJ · Saab 340BSDR 2002F00313Transmitter · inoperativePRESSURE TRANSMITTER INOPERATIVE. ERRATIC OPERATION. REPLACED WITH NEW, CORRECTED PROBLEM. (M)Nov 11, 2001 · N485EC · Bolkms BO105SSDR 2002F00302Transmitter · inoperativeENGINE OIL PRESSURE TRANSMITTER INOPERATIVE. LOW OIL PRESSURE INDICATION, WILL NOT INDICATE ABOVE 90 PSI. REPLACED WITH NEW UNIT CORRECTED. (M)Nov 7, 2001 · N350RM · Snias AS350DSDR CNQ2001F00000Sensor · intermittentTHE LEFT ENGINE OIL PRESSURE DROPPED IN FLIGHT. TROUBLESHOT TO AN INTERMITTENT OIL PRESSURE SENSOR. REMOVED AND REPLACED THE SENSOR.Nov 6, 2001 · N505MA · Cessna 750SDR ABXA010567Packing · defectiveRIGHT ENGINE LOST OIL PRESSURE ON CLIMBOUT, FOR DURATION OF 9 MINUTES ENGINE WINDMILLED. OIL PRESSURE DECREASED AS OIL QUANTITY DECREASED. IN FLIGHT SHUT-DOWN. REPLACED THE MAIN OIL FILTER HOUSING CAP O-RING AND INSPECTED THE MAIN OIL FILTER, NO METAL FOUND, INov 1, 2001 · N964AX · Doug DC941SDR LS1R076931Indicator · intermittentINTERMITTENT.Oct 31, 2001 · N8530B · Bell 212SDR HEEA076926Indicator · reads highAFTER TAKEOFF, PILOT NOTED NR 2 ENGINE OIL PRESSURE WAS INDICATING HIGH. REPLACED OIL TEMP/PRESS INDICATOR.Oct 26, 2001 · N33008 · Bell 412SDR DHL2001802015Warning System · activatedLOST OIL PRESSURE ON NR 4 ENG, PARAMETERS DROPPING. AFTER SHUT DOWN ENG WINDMILLING, W N1 30 - 27 PERCENT, N2 18 PERCENT OIL PRESS APPROX 2 PSI 50 MIN WINDMILLING. PERFORMED TROUBLESHOOTING PROCEDURES PER CFM 71-00-00 FAULT 51. INSPECTED ENGINE INLET AND EOct 23, 2001 · N802DH · Doug DC873SDR COMA0110154CapFLIGHT #5057. DURING CRUISE FLIGHT THE RIGHT ENGINE OIL PRESSURE DROPPED BELOW 40 PSI, CREW DECLARED AN EMERGENCY AND PERFORMED AN INFLIGHT SHUT DOWN OF THE RIGHT ENGINE.REPLACED THE RIGHT ENGINE OIL SERVICING FILLER CAP AND NECK.Oct 22, 2001 · N259CA · Emb EMB120RTSDR ZYW2002F00001Transmitter · intermittentOIL PRESSURE TRANSMITTER, INTERMITTENT. REMOVED AND REPLACED TRANSMITTER.Oct 19, 2001 · N365SJ · Aerosp SA365NSDR CHQ00033Warning Light · activatedLT PROP OIL PRESSURE LIGHT-0-PRESSURE.Oct 18, 2001 · N146 · Saab SF340ASDR CA011101019Bearing · vibration(CAN) DURING FLIGHT ON CLIMB A VIBRATION WAS NOTED. THEN DISAPPEARED AFTER WHILE ON CRUISE VIBRATION CAME BACK. ALSO GIVING OIL PRESSURE FLUCTUATION. AT DESTINATION, TROUBLESHOOTING WAS DONE, OIL PRESSURE WAS CHECKED "S". STARTER/GENERATOR REPLACED. VIBRATION Oct 16, 2001 · Raythn HAWKER800XPSDR COMA0160816Seal · crackedFLIGHT 5369. DURING CRUISE FLIGHT, THE RIGHT ENGINE OIL PRESSURE SLOWLY DROPPED TO 23 PSI, THE RIGHT ENGINE WAS SHUT-DOWN AND AN EMERGENCY WAS DECLARED. AIRCRAFT LANDED SAFELY AT DESTINATION CITY MSP.REPLACED THE RIGHT ENGINE OIL PUMP CARBON SEAL.Oct 14, 2001 · N708CA · Cndair CL6002B19SDR CHQ00031Warning System · activatedE1 LOW OIL PRESS SWITCH EICAS MSG INTERMITTENT.Oct 14, 2001 · Emb EMB145SDR 01FDEA00881Transmitter · faultyNR 1 ENG OIL PRESS GAUGE IND 20 PSI PRECAUTIONARY SHUTDOWN. REMOVED AND REPLACED NR 1 OIL PRESS TRANSMITTER PER MM 79-33-001-2. OPS & LEAK CHECK GOOD.Oct 12, 2001 · N498FE · Boeing 727232SDR HEEA076537Transmitter · failedENGINE PRESSURE DROPPED TO ZERO. SENT TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED. REFERENCE: DMR#720488.Oct 10, 2001 · N723PH · Bell 407SDR MALA010743Transducer · faultyAFTER TAKEOFF OF FLIGHT 3236, R PROP GAUGE INDICATED MAX OIL PRESSURE. AIR RETURN TO MSP. MAINTENANCE REMOVED AND REPLACED RT PGB OIL PRESSURE TRANSDUCER P/N IPTE55-1000-200D10 IAW SAAB AMM 79-30-05. REPLACED RT ENGINE WIRE HARNESS AND OHMED AND MEGGED WIREOct 9, 2001 · N68XJ · Saab SF340ASDR BSY2001F00015Transmitter · faultyRIGHT ENGINE OIL PRESSURE RUNNING HIGH, OIL TEMPERATURE, RED LINE AT FLIGHT LEVEL 37,000. FOUND OIL PRESSURE TRANSMITTER 12 PSI HIGH, REMOVED AND REPLACED OIL PRESSURE TRANSMITTER OIL PRESSURE, CHECKS GOOD. COULD NOT DUPLICATE OIL TEMPERATURE PROBLEM.Oct 5, 2001 · N55F · Lear 35ASDR AWXA200100500Transmitter · inaccurateICT - ABORTED TAKEOFF - FLT 620 - C - DURING T/O ROLL, THE CREW NOTED THE NR 2 ENG OIL PRESS WAS AT 23 PSI AND REJECTED THE T/O BETWEEN 100 & 110 KTS. SHUT THE ENG DOWN WHILE TAXIING. NOTE: OIL TEMP AND QUANTITY BOTH INDICATED GOOD. MAINTENANCE TROUBLESHOT Oct 1, 2001 · N182AW · Boeing 737277SDR 2001F00477Adapter · defectiveNO OIL PRESSURE INDICATIONS ON THE GAUGE. REPLACED WITH SERVICEABLE ADAPTER PIGTAIL. (M)Sep 29, 2001 · N37SH · Snias AS350BASDR TSAA0179120Pressure Switch · faultyFLT 953 - ITO-HNL - DURING A NON-ETOPS QC CARGO FLIGHT, THE NR 1 ENGINE OIL FILTER BYPASS LIGHT CAME ON. SHUTDOWN THE NR 1 ENGINE AND DECLARED AN EMERGENCY. UNEVENTFUL LANDING AT HNL. REMOVED AND REPLACED THE OIL BYPASS SWITCH IAW MM 79-35-011-4. INSPECTEDSep 28, 2001 · N817AL · Boeing 7372X6CSDR HEEA076056Transmitter · malfunctionedENGINE PRESSURE DROPPED TO ZERO.Sep 24, 2001 · N723PH · Bell 407SDR KBM2001F00003Harness · damagedENGINE OIL PRESSURE GAUGE. SHOWED SUSTAINED INDICATION IN THE PRD-FOUND BROKEN WIRES ADJACENT TO TOP CANNON PLUG. REPLACED OIL PRESSUE HARNESS.Sep 21, 2001 · N115SH · Snias AS350B2SDR ARWA0010902EngineLOG PAGE 106168. DISCREPANCY: ON CLIMB OUT OF KMIA NBR-3 ENG OIL PRESS LIGHT CAME ON AND OIL PRESS ERRATIC. PERFORMED PRECAUTIONARY SHUT DOWN. TOTAL WINDMILLING TIME 25 MIN. LANDING WT 240.0 LBS ENG SHUT DOWN AT 0536Z.AIRCRAFT LANDED WITHOUT INCIDENT. CORRECTISep 18, 2001 · N810BN · Doug DC862
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