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 HAIHEEA9361Indicator · failedINSTALLED INDICATOR. PRESSURE REMAIN AT ZERO.Apr 15, 1997 · N5736D · Bell 212SDR REXA97101Transducer · inoperativeLEFT PGB OIL PRESS LOW AND CWP AND VIBRATING. REMOVED AND REPLACED LEFT PGB O IL PRESSURE TRANSDUCER IAW AMM 79-30-05. PERFORMED GROUND RUNS. NO AUDIBLE OR OIL PRESSURE FLUCTUATIONS. OIL PRESSURE CHECKS GOOD. (M)Apr 14, 1997 · N106PX · Saab SF340ASDR REXA97098Oil Press Light · illuminatedLEFT PROP OIL PRESSURE CWP IN FLIGHT. GROUND RAN LEFT ENGINE, NO DEFECTS NOTED. PROP OIL AND SYSTEM CHECK OK. (M)Apr 13, 1997 · N362PX · Saab 340BSDR C2XA97BT006Oil Xmit Line · brokenBDL - EN ROUTE EWR/BGR IN CRUISE, PILOT NOTICED LEFT ENGINE OIL PRESSURE DROPPING, SHUT DOWN LEFT ENGINE AND DIVERTED INTO BDL. MAINTENANCE FOUND OIL PRESSURE TRANSMITTER LINE BROKEN AND LEAKING. REMOVED AND REPLACED WITH A SERVICEABLE OIL PRESSURE TRANSMITTApr 10, 1997 · N19812 · Aerosp ATR42320SDR 97ZZZM549Pressure Switch · shortedLEFT OIL PRESSURE ANNUNCIATOR INOP.Apr 9, 1997 · N832CA · Beech 1900DSDR VTZA97223Transducer · failedFLT 6249 - IAD-BGM - DURING CRUISE, THE CREW NOTICED THAT THE RIGHT OIL PRESSURE GAUGE WAS READING HIGH. THE AIRCRAFT RETURNED TO IAD, MAINTENANCE TECHNICIANS WERE NOTIFED AND TROUBLESHOT THE DISCREPANCY. THE MAINTENANCE TECHNICIAN FOUND THE RIGHT OIL PRESSUApr 8, 1997 · N470UE · Bag JETSTM3201SDR IXKA9700008Switch · leakingAIRCRAFT WAS EN ROUTE FROM EWR TO AGS, NR 1 ENGINE LOW OIL PRESSURE LIGHT CAME ON. OIL PRESSURE AND OIL QTY WAS DROPPING ENGINE WAS SHUT DOWN IN FLIGHT. AIRCRAFT LANDED IN ATL WITHOUT INCIDENT. MAINTENANCE FOUND A DEFECTIVE LOW OIL PRESSURE SWITCH. REPLACEApr 7, 1997 · N361KP · Boeing 727225SDR ASOA97019Switch · defectiveEN ROUTE ILM-ATL, RIGHT ENGINE OIL PRESSURE LIGHT ON MAP CAME ON. OIL PRESSURE GAUGE SHOWED ADEQUATE PRESSURE. CREW DECLARED AN EMERGENCY, SHUT DOWN THE RIGHT ENGINE AS A PRECAUTION, AND DIVERTED TO MCN WHERE LANDING WAS MADE SAFELY AND WITHOUT FURTHER INCIDApr 7, 1997 · N227AS · Emb EMB120RTSDR ARWA970404Oil Press Switch · intermittentNR 1 ENG OIL PRESS LIGHT CAME ON IN FLIGHT. RETARDED THROTTLE AND PERFORMED ABNORMAL CK LIST, LIGHT REMAINED ON. SHUTDOWN ENG ENGINE WINDMILLING = N1 25.5 PERCENT, N2 40.0 PERCENT, OIL PRESS 16 PSI TIME 1920Z. ENTER ON DMI NR 7003 AS PER MEL 79-6 FOR FLT TOApr 7, 1997 · N1808E · Doug DC862SDR ARWA970403Oil Press Switch · intermittentNR 1 ENG OIL PRESS LIGHT CAME ON IN FLIGHT. RETARDED THROTTLE AND PERFORMED ABNORMAL CK LIST, LIGHT REMAINED ON. SHUTDOWN ENG, ENGINE WINDMILLLING=N1 25.0 PERCENT, N2 39.0 PERCENT, OIL PRESS 15 PSI TIME 1540Z. FLIGHT RETURNED TO LIM WITHOUT FURTHER INCIDENTApr 7, 1997 · N1808E · Doug DC862SDR WWMA9700051Oil Press Switch · failedON TAXI, THE LEFT ENGINE OIL PRESSURE LIGHT ILLUMINATED. THE PRESSURE WAS BELOW THE YELLOW ARC ON THE GUAGE. THE ENGINE WAS SHUT DOWN. MAINTENANCE REPLACED THE LEFT ENGINE OIL PRESSURE SWITCH AND PERFORMED GROUND RUNS.Apr 4, 1997 · N335AE · Saab 340BSDR C2XA97CL033Transmitter · failedCLE - FLT 3237 - CREW REPORTED DURING CRUISE FLIGHT, THE LEFT HAND ENGINE OIL PRESSURE ROSE TO 140 PSI. AIRCRAFT RETURNED TO FIELD WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT THEN REMOVED AND REPLACED THE OIL PRESSURE TRANSMITTER IAW B1900 MM 79-30-Apr 3, 1997 · N81536 · Beech 1900DSDR USAAD97064Transmitter · failedFLIGHT 1438 - BOS-FLL - LEFT OIL PRESSURE LOW LIGHT CAME ON IN FLIGHT. OIL PRESSURE GAUGE INDICATED 34 PSI. OIL TEMP, QTY, AND ALL OTHER ENGINE INDICATIONS NORMAL. DIVERTED TO CLT. REPLACED OIL PRESSURE RELIEF VALVE AND OIL PRESSURE TRANSMITTER. (M)Apr 2, 1997 · N829US · Doug DC982SDR ARWA970401Oil Press Switch · failedNR 1 ENG OIL PRESS LIGHT CAME ON. RETARDED THROTTLE. LIGHT STAYED ON SHUTDOWN ENG AS PER ABNORMAL CHECKLIST. WINDMILLING OIL PRESS 24 PSI TIME 2144Z. FLIGHT DIVERTED TO SPIM WITHOUT FURTHER INCIDENT. CHECKED MAIN OIL FILTER AND SWITCHES. FOUND OIL DIFFERApr 2, 1997 · N1808E · Doug DC862SDR 9707072712Oil Press Ind · malfunctionedDURING CLIMB, THE NR 2 ENGINE OIL PRESSURE INDICATION BEGAN DECREASING. CREW RETARDED NR 2 ENGINE POWER TO IDLE. PRESSURE STABILIZED AT 36 PSI. AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NR 2 ENGINE OIL PRESSUREApr 2, 1997 · N712RC · Boeing 7272S7SDR HAIHEEA9300Indicator · reads highPRESSURE SIDE READS HIGH. TEMP SIDE HAS EXCESSIVE FRICTION ERROR.Apr 1, 1997 · N1079U · Bell 212SDR MZZA9738Fitting · leakingFLT 863 - GUM - LOSS OF NR 2 OIL QUANTITY. SHUTDOWN ENGINE AT 2115 OIL PRESS 45 PSI. TROUBLESHOOTING FOUND FITTING FOR OIL DIFF PRESSURE X-MITTER SUPPLY LINE LEAKING. REPLACED FITTING, LK AND OPS CHECK GOOD ON ENGINE RUN PER MM 79-20-0. OIL QTY SERVICED TOMar 29, 1997 · N69741 · Boeing 727224SDR IXKA9700006Oil Press Switch · cloggedFLT 129 - ATL-MDW - TWO MINUTES AFTER TAEKOFF, NR 2 ENGINE OIL PRESSURE INCREASED TO 110 PSI, OIL QTY AND TEMP REMAINED CONSTANT AND NORMAL. REDUCED POWER AS PER PROCEDURE AND RETURNED TO ATL. REPLACED OIL PRESS SW AND OIL FILTER PRECAUTIONARY. RAN NR 2 ENGMar 28, 1997 · N360PA · Boeing 727230SDR RRXA97086Oil Pres Xmitter · malfunctionedAT FL 200, NR 3 ENGINE OIL PRESSURE GRADUALLY LOWERED FROM 40 PSI TO 30 PSI. ACCOMPLISHED ABNORMAL CHECKLIST AND INFLIGHT SHUTDOWN. MAINTENANCE REMOVED AND REPLACED PRESSURE X-MITTER, OIL PRESSURE INDICATOR. OPS CHECK GOOD. SWAPPED NR 2 AND NR 3 OIL PRESSUMar 27, 1997 · N796AL · Doug DC863SDR 9706479874Oil Press Trans · malfunctionedDURING CRUISE FLIGHT, THE RIGHT ENGINE OIL PRESSURE INDICATION DECREASED TO 32 PSI. AIRCRAFT DIVERTED TO ATL AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE OIL PRESSURE TRANSMITTER. OPERATIONAL CHECK OK.Mar 27, 1997 · N783NC · Doug DC951SDR RRXA97079Return Oil Line · loosePRECAUTIONARY SHUTDOWN OF NR 3 ENGINE DUE TO LOW OIL PRESSURE INDICATION, 30 PSI IN FLIGHT, 13 PSI ON SHUT DOWN. MAINTENANCE FOUND OIL RETURN LINE LEAKING. LOOSENED AND RETIGHTENED B-NUT. LEAK CHECK GOOD. NR 3 ENGINE OIL PRESSURE OPS CHECK GOOD ON GROUND RMar 25, 1997 · N796AL · Doug DC863SDR VTZA97190Transducer · failedIAD/EWR - FLT 6150 - DURING CRUISE ON 3-20-97, EXPERIENCED RT ENGINE OIL PRESSURE INDICATION FLUCTUATION AT APPROX 20-40 PSI. ACFT DIVERTED PHL WITH NORMAL LANDING. MAINT T/S AND INSPECTED THE ENGINE OIL LEVEL AND FOUND IT OK. MAINT PERFORMED ENGINE RUNMar 20, 1997 · N302UE · Jetair JETSTM4101SDR CA970407020Concentrate Unit · failed(CAN) ON DEPARTURE LEFT ENGINE OIL PRESSURE INDICATED 26 POUNDS PER SQUARE INCH. IN CRUISE INSTANTANEOUS FLUCTUATION TO 70 PSI. N1 READING 94.5 PERCENT. NO EICAS (ENGINE INDICATION AND CREWS ALERT) MESSAGE. #1 DATA CONCENTRATION UNIT REPLACED.Mar 15, 1997 · Cndair CL6002B19SDR COMA9760059Oil Press Ind · failedDURING TAXI WITH POWER AT IDLE, THE RIGHT HAND ENGINE LOST OIL PRESSURE. COULD NOT DUPLICATE DISCREPANCY. INSPECTED ENGINE AND FOUND NO DEFECTS. GROUND OPS WAS NORMAL.Mar 10, 1997 · N943CA · Cndair CL6002B19SDR SWIA97868Transducer · failedRIGHT OIL PRESS FLUCTUATING. RETURNED TO SJC. INSTALLED NEW RIGHT ENGINE OIL PRESS TRANSDUCER AND RAN RIGHT ENGINE. OPS CHECKS GOOD WITH NO FLUCTUATIONS.Mar 1, 1997 · N203SW · Emb EMB120ERSDR HAIGJQR0109Transmitter · failedPRESSURE GAUGE INDICATES 0 PSI WITH ENGINE RUNNING & 75PSI SYSTEM PRESSURE. REPLACED WITH NEW UNIT FROM BELL HELICOPTER.Feb 24, 1997 · N98W · Bell 212SDR HAIGJQR0108Transmitter · failedNO PRESSURE INDICATION ON GAUGE WITH 80 PSI SYSTEM PRESSURE. REPLACED WITH NEW UNIT FROM BELL HELICOPTERSFeb 24, 1997 · N98W · Bell 212SDR SWIA97864Oil Press Reg · out of adjustAT ROTATION, OIL AURAL WARNING AND OIL PRESSURE NR 1 MAP LIGHT ILLUMINATED. ENGINE NR 1 OIL PRESSURE NEEDLE GAUGE WENT TO 20 PSI AND FLUCTUATED BETWEEN 20 AND 40 PSI. WE THEN PROCEEDED TO PERFORM PRECAUTIONARY ENGINE SHUT DOWN PROCEDURES AND RETURNED TO GJTFeb 18, 1997 · N215SW · Emb EMB120ERSDR 9703372716Relief Valve · malfunctionedDURING TAKEOFF AND CLIMB, THE NR 3 ENGINE OIL PRESSURE INDICATION WAS HIGH. CREW REDUCED POWER ON THE NR 3 ENGINE AND DUMPED 16,000 LBS OF FUEL. THE AIRCRAFT DIVERTED TO MSP AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE OIL PRESSURE TRANSMITFeb 15, 1997 · N720RC · Boeing 7272S7SDR MALA975320Transducer · failedFLT 3220 - AFTER DEPARTURE, LEFT ENGINE OIL PRESURE GAUGE WENT TO FULL HIGH RANGE. ALL OTHER ENGINE INDICATIONS NORMAL. AIRCRAFT RETURNED TO MSP. MAINTENANCE REPLACED LEFT ENGINE OIL PRESS/TRANSDUCER. OPS AND LEAKS CHECKS GOOD. (M)Feb 12, 1997 · N830MA · Dhav DHC8102SDR RAIA970214Regulator · out of adjustMLI - FLT 7163 - RIGHT ENGINE OIL PRESSURE DROPPED TO 50 PSI WITH ASSOCIATED CCAS WARNING. MAINTENANCE REPLACED THE RIGHT OIL PRESSURE REGULATOR. (M)Feb 11, 1997 · N721TE · Aerosp ATR72202SDR 97ZZZX836Line · leakOIL PRESSURE LINE BEHIND INSPECTION PANEL LEAKING ON TOP BETWEEN GAUGE AND FIREWALL. PILOT REPORTED OIL ON FLOOR BY PEDAL. NOT ABLE TO SEE AREA FROM BELOW.Feb 10, 1997 · N899F · Cessna 182KSDR GTIA9700160Connector · bad wireACY - FLT 174 - DURING START NR 2 ENGINE HAD NO OIL PRESSURE. CIRCUIT BREAKER CHECKED, FCOM PROCEDURE COMPLETED. FOUND BAD WIRING AT OIL PRESS XMITTER. REPLACED CANNON PLUG AT XMITTER. OPS CHECK IAW 79-12-1. NO FAULTS FOUND. (M)Feb 8, 1997 · N934ML · Doug DC931SDR GLBA97017Oil Press Warn · illuminatedORD - LEFT ENGINE OIL PRESSURE WARNING CAME ON AT V-1 DURING TAKEOFF. SECURED ENGINE AND LANDED. MAINTENANCE INSPECTED LEFT ENGINE AND RAN FOR 20 MINUTES. NO LEAKS AND ENGINE PARAMETERS WERE OK. (M)Feb 4, 1997 · N281UE · Emb EMB120RTSDR TWAA9717001Pressure Switch · failedMIA - FLT 144 - DURING CRUISE, NR 1 ENGINE, S/N 4318, OIL FILTER BYPASS LIGHT ILLUMINATED. REMOVED AND REPLACED PRESSURE SWITCH, MFG P/N 21SN04-149. OPERATION CHECK AND ENGINE RUN NORMAL. (M)Feb 1, 1997 · N93107 · Boeing 747131SDR C2XA97CL010Transducer · failedTYS - FLT 212C - CREW REPORTED, COMPLETED A PRECAUTIONRAY RIGHT ENGINE SHUT DOWN DUE TO OIL PRESSURE INDICATING LESS THEN 20 PSI. AIRCRAFT RETURNED TO FIELD. MAINTENANCE INSPECTED THE RIGHT ENGINE AND REMOVED AND REPLACED THE ENGINE OIL PRESSURE TRANSDUCER IJan 30, 1997 · N12705 · Emb EMB120RTSDR S2YA970002Transducer · malfunctionedCGV/MKE - FLT 1027 - AFTER FLIGHT CREW REACHED CRUISING ALTITUDE, ENGINES WERE SET TO CRUISE POWER. THE CREW NOTICED THE LT ENGINE OIL PRESSURE AT 65 PSI. THEY DECLARED AN EMERGENCY AND DIVERTED TO IND. MAINTENANCE INSPECTED THE LT ENGINE OIL FILTER, CHECKEJan 29, 1997 · N145SK · Beech 1900DSDR 97ZZZM255Switch · failedFLT 626 - RSW-DTW - EN ROUTE, DEPARTED WITH 13 QUARTS OF OIL IN RIGHT ENGINE. APPROXIMATELY 1 HOUR INTO FLIGHT OIL WAS 8 QUARTS AND DROPPING SLOWLY. DIVERTED TO ATL AND LANDED WITH 4 QUARTS OF OIL SHOWING ON GAUGE. REMOVED AND REPLACED OIL LOW PRESSURE WARNJan 27, 1997 · N934ML · Doug DC931SDR 97ZZZM254Switch · failedFLT 626 - RSW-DTW - EN ROUTE, DEPARTED WITH 13 QUARTS OF OIL IN RIGHT ENGINE. APPROXIMATELY 1 HOUR INTO FLIGHT OIL WAS 8 QUARTS AND DROPPING SLOWLY. DIVERTED TO ATL AND LANDED WITH 4 QUARTS OF OIL SHOWING ON GAUGE. REMOVED AND REPLACED OIL LOW PRESSURE WARNJan 27, 1997 · N934ML · Doug DC931SDR 97ZZZM232Oil Press Switch · malfunctionedFLT 625 - MCO - RT ENG SHUT DOWN DUE TO OIL QTY DEPLETION. OIL TEMP REMAINED NORMAL. OIL PRESS STARTED TO FLUCTUATE. OIL LEAKED DOWN TO 6 QTS SLOWLY THEN DEPLETED RAPIDLY. O/W LANDING 102,000 LBS. RT ENG OIL PRESS DIFF SWITCH IS BROKEN. INSPECT OIL SYS FOJan 27, 1997 · N934ML · Doug DC931SDR MALA975307Oil Press Light · illuminatedFLT 3043 - AFTER TAKEOFF, NR 1 ENGINE OIL PRESSURE LIGHT CAME ON INTERMITTENTLY. CREW RETURNED TO SCE. (M)Jan 26, 1997 · N827MA · Dhav DHC8102SDR CA970128007Indicator · faulty(CAN) AIRCRAFT WAS IN CRUISE WHEN THE RIGHT HAND OIL PRESSURE INDICATOR WAS FLICKERING, ALL OTHER PARAMETERS WERE NORMAL. SEVERAL MINUTES LATER THE OIL PRESSURE WENT TO "0". THE #2 ENGINE WAS SHUTDOWN. POST FLIGHT INSPECTION FOUND THE OIL PRESSURE/TEMPERATURE Jan 20, 1997 · Beech A100SDR ZIAA97007Transmitter · failedHUF - DURING CRUISE, NR 3 GEAR BOX OIL PRESSURE INDICATES 260 PSI. RETURNED TO HUF. REPLACED NR 3 GEAR BOX OIL PRESSURE TRANSMITTER. GROUND TEST NORMAL. (M)Jan 16, 1997 · N281F · Lkheed 188CSDR TWAA9709002Oil Press Trans · leakingSTL - FLT 431 - DURING CRUISE, SHUT DOWN NR 3 ENGINE DUE TO LOW OIL QTY AND LOW OIL PRESSURE. FOUND OIL LEAK AT OIL PRESSURE TRANSMITTER, MFG P/N ST104Z, AND LOW OIL PRESSURE SWITCH, MFG P/N A00803-3. REPLACED OIL PRESSURE TRANSMITTER AND LOW OIL PRESSURE SWJan 14, 1997 · N54336 · Boeing 727231SDR EISA97004Oil Press Switch · inoperativeNR 2 ENGINE OIL FILTER BYPASS/LOW PRESS LIGHT ILLUMINATED DURING FLIGHT. REMOVED AND REPLACED NR 2 LOW PRESS SWITCH. (M)Jan 14, 1997 · N367PA · Boeing 727221SDR 97ZZZM237Oil Press Switch · leakingSTL - FLT 431 - DURING CRUISE, SHUT DOWN NR 3 ENGINE DUE TO LOW OIL QTY AND LOW OIL PRESSURE. FOUND OIL LEAK AT OIL PRESSURE TRANSMITTER, MFG P/N ST104Z, AND LOW OIL PRESSURE SWITCH, MFG P/N A00803-3. REPLACED OIL PRESSURE TRANSMITTER AND LOW OIL PRESSURE SWJan 14, 1997 · N54336 · Boeing 727231SDR 97ZZZM186Transmitter · malfunctionedSTL - DURING CRUISE, SHUT DOWN NR 3 ENGINE, S/N 3993, DUE TO LOW OIL QTY AND LOW OIL PRESSURE. FOUND OIL LEAK AT OIL PRESSURE TRANSMITTER, MFG P/N ST104Z, AND LOW OIL PRESSURE SWITCH, MFG P/N A00803-3. REPLACED OIL PRESSURE TRANSMITTER AND LOW OIL PRESSURE SJan 14, 1997 · N54336 · Boeing 727231SDR 97UAL900041Press Transmtr · failedNR 1 ENGINE OIL PRESSURE INTERMITTENTLY GOES BETWEEN 50 PSI AND THE MIDDLE OF THE YELLOW BAND. THE NR 1 OIL PRESSURE TRANSMITTER AND EIS UNIT WERE REPLACED. OPS CHECK GOOD.Jan 14, 1997 · N365UA · Boeing 737322SDR VTZA97086O-Ring · failureFLT 940 - DTW-IAD - DURING CRUISE, AIRCRAFT DIVERTED TO CLE DUE TO LEFT ENGINE LOST OIL PRESSURE AND LOW OIL PSI WARNING LIGHT ILLUMINATED AND CREW SHUT DOWN ENGINE. AIRCRAFT LANDED AT CLE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLAJan 12, 1997 · N324UE · Jetair JETSTM4101SDR ARWA9701002Oil Press Reg · out of adjustON CLIMBOUT, NR 4 ENGINE OIL PRESSURE WENT TO 62 PSI, 52 PSI AT IDLE. RETURNED TO KMIA WITHOUT INCIDENT. ADJUSTED OIL PRESSURE REGULATOR AND OPS CHECKED NORMAL ON RUN-UP.Jan 12, 1997 · N345JW · Doug DC863
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