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 HEEA967168Indicator · reads highINDICATOR PRESSURE SIDE READS HIGH.May 8, 1996 · N8591X · Bell 206L3SDR DL73S961082Oil Press Ind · inopON T/O, NR 2 ENGINE OIL PRESSURE WENT TO 58 PSI INITIALLY ENG RETARDED TO IDLE AND OIL PRESS REMAINED OUT OF LIMITS. ALL OTHER INDICATIONS NORMAL EVENTUALLY NR 2 OIL PRESS RETURNED TO NORMAL WITH ENGINE AT REDUCED THRUST OIL TEMP SLIGHTLY LOWER THAN NR 1. REMay 6, 1996 · N307DL · Boeing 737232SDR USAAD96045Tube Assy · leakingFLT 254 - PBI-BWI - AT FL 330, MASTER CAUTION LIGHT CAME ON, LOW OIL PRESSURE LIGHT CAME ON, NOTICED LOSS OF ALL OIL QUANTITY, LOW OIL PRESSURE, AND RISING OIL TEMPERATURE. SHUT DOWN NR 1 ENGINE, DIVERTED TO SAV. REMOVED AND REPLACED NR 1 ENGINE OIL PRESSURE Apr 30, 1996 · N803US · Doug DC981SDR GLBA96078Oil Press Ind · malfunctionedTUS - CREW REPORTED RT OIL PRESSURE DROPPED TO 40 PSI AFTER TAKEOFF. THEY PERFORMED AN AIR TURN BACK AND MADE AN UNEVENTFUL LANDING. MAINTENANCE INSPECTED AIRCRAFT AND MADE GROUND RUN, BUT COULD NOT DUPLICATE OIL PRESSURE FLUCTUATION. (X)Apr 29, 1996 · N150UE · Beech 1900CSDR AU960549Transmitter · faulty(AUS) RH ENGINE OIL PRESSURE TRANSMITTER FAULTYApr 29, 1996 · Dhav DHC8102SDR ABXA9600486Transmitter · defectiveDURING CLIMB, NR 4 ENGINE OIL PRESSURE INCREASED TO 61 PSI MOMENTARILY AND THEN DROPPED TO 59 PSI WITH MAXIMUM POWER SET FOR TAKEOFF. REDUCED POWER TO MCT AND OIL PRESSURE DROPPED TO 53 PSI AND THEN BEGAN TO INCREASE. ENGINE WAS SHUTDOWN WHEN THE OIL PRESSURApr 29, 1996 · N848AX · Doug DC861SDR C2XA96BT002Oil Press Line · crackedBTV - FLT 3682 - ON APPROACH INTO BTV, RIGHT LOW OIL PRESSURE LIGHT ILLUMINATED. CAPTAIN PERFORMED PRECAUTIONARY ENGINE SHUT DOWN. AIRCRAFT LANDED WITHOUT INCIDENT. FOUND RIGHT OIL PRESSURE TRANSDUCER LINE HAD A CRACKED FLARE CAUSING OIL LEAK AND PRESSURE LApr 28, 1996 · N14825 · Aerosp ATR42320SDR ARWA9604003Oil Press Switch · inoperativeDURING DESCENT, NR 2 ENGINE OIL PRESSURE LIGHT CAME ON. RETARDED THROTTLE, LIGHT STAYED ON AS PER ABNORMAL CHECK LIST. SHUTDOWN NR 2 ENGINE AT 10.52Z FL 350 OIL PRESS 15 PSI WINDMILLING. TROUBLESHOT FOUND OIL PRESSURE SWITCH BAD. REMOVED AND REPLACED SWITCApr 26, 1996 · N1803 · Doug DC862SDR 9609339872Oil Press Sw · malfunctionedNR 1 ENGINE LOW OIL PRESSURE WARNING LIGHT ILLUMINATED IN FLIGHT. THE FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LOW OIL PRESSURE SWITCH WITH A SERVICEABLE UNIT.Apr 26, 1996 · N781NC · Doug DC951SDR 96ZZZX3809Sender · failedPILOT MADE AN EMERGENCY LANDING AT A SMALL AIRSTRIP. THE PILOT REPORTED LOW OIL PRESSURE AND RAISING OIL TEMPERATURE. A DOSS MAINTENANCE TEAM WAS SENT TO THE AIRSTRIP TO RECOVER THE AIRCRAFT. THE MAINTENANCE PERSONNEL REMOVED AND REPLACED THE OIL PRESSURE SEApr 25, 1996 · N3037X · Slnsby T67M260SDR 9609059949Oil Press Ind · malfunctionedTHE NR 1 ENGINE OIL PRESSURE INDICATION WAS ABOVE THE RECOMMENDED MAXIMUM AND FLUCTUATING ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE OIL PRESSURE INDICATOR WITH A SERVICEABLE UNIT.Apr 20, 1996 · N8928E · Doug DC931SDR 96ZZZX3250Transmitter · defectiveOUT OF CALIBRATION. AT FLIGHT IDLE (70 PERCENT NG), OIL PRESSURE INDICATING AT BOTTOM RED LINE. SWAPPED ENGINES, SAME RESULTS.Apr 19, 1996 · N365SC · Aerosp SA365N1SDR DLM88960932Oil Press Sw · stickingAT FL 180, THE LEFT OIL STRAINER CLOGGING MSG. ON THE O.A.P. ILLUMINATED THEN WENT OFF. THEN, 10 SECONDS LATER, THE LIGHT REILLUMINATED. PER P.O.M., ENGINE STRUT DOWN AND RETURNED TO ATL. CORRECTIVE: CHECKED CHIP DETECTOR. CHECKS GOOD. CHECKED MAIN OIL FApr 18, 1996 · N947DL · Doug MD88SDR 96ZZZX2248Switch · failedON 4-14-96 SHORTLY AFTER TAKEOFF, THE OIL PRESSURE DROPPED FROM 7 BARS TO 2.8 BARS. REPLACED NR 1 ENGINE OIL PRESSURE SWITCH. SYSTEM OPERATIONAL CHECK GOOD. AIRCRAFT HOBBS TIME 142.2. SECOND SWITCH FAILURE IN .7 HRS.Apr 14, 1996 · N911BB · Aerosp AS355F1SDR 96ZZZX2247Switch · failedON 4-13-96 SEVERAL MINUTES AFTER TAKEOFF, NR 1 ENGINE OIL PRESSURE DROPPED ALMOST TO ZERO. REPLACED NR 1 ENGINE OIL PRESSURE SWITCH. SYSTEM OPERATIONAL CHECK GOOD. AIRCRAFT HOBBS TIME 141.5.Apr 13, 1996 · N911BB · Aerosp AS355F1SDR 96ZZZX2158Indication · malfunctionPILOT MADE A PRECAUTIONARY ENGINE SHUT-DOWN AND PROPELLER FEATHER DUE TO A PERCEIVED LOSS OF ENGINE OIL PRESSURE. THE FOLLOWING MAINTENANCE INSPECTION COULD NOT FIND ANY DEFECTS IN THE ENGINE OR OIL PRESSURE INDICATING SYSTESM. TWO GROUND RUNS AND A TEST FLIApr 9, 1996 · N60RR · Cessna 421CSDR CA960524006Gauge · failed(CAN)ENGINE POWER REDUCED AND AIR TURN BACK DUE TO ENGINE OIL PRESSURE INDICATING IN THE AMBER RANGE. MAINTENANCE CONFIRMED AS GAUGE FAILURE.Apr 8, 1996 · Boeing 737275SDR CA960423108Indicator · stuck(CAN)#1 OIL PRESSURE NOTED AT 38 PSI ON TAKEOFF ROLL. PRESSURE REMAINED STEADY AT 38 PSI AT ALL ENGINE SETTINGS INCLUDING IDLE. ENGINE OPERATED AT REDUCED THRUST TILL LANDED. GAUGE REPLACED.Apr 8, 1996 · Boeing 737275SDR PLG33196DG1Oil Press Trans · fluctuatingBOS - AFTER DEPARTING, PILOT EXPERIENCED OIL PRESSURE FLUCTUATIONS ON LEFT ENGINE. AIRCRAFT RETURNED TO BOS WIHOUT INCIDENT. MAINTENANCE REPLACED LEFT ENGINE OIL PRESSURE TRANSMITTER AND CANNON PLUG. ALL CHECKS WERE GOOD PER BEECH MM, CHAPTER 79. AIRCRAFT Mar 31, 1996 · N15486 · Beech 1900CSDR ASOA96011Oil Press Transm · inoperativeOKC/DFW - ON APPROACH, THE LEFT ENGINE LOW OIL PRESSURE LIGHT ILLUMINATED BRIEFLY AND CREW DECLARED AN EMERGENCY. THE CAPTAIN REDUCED POWER DUE TO TURBULENCE AND THE OIL PRESSURE STABILIZED FOR THE REST OF THE FLIGHT. CREW NOTIFIED THE TOWER THE ENGINE WAS NMar 27, 1996 · N633AS · Aerosp ATR72212SDR ARWA9603009Oil Press Light · flickeredON DESCENT, NR 4 ENGINE OIL PRESSURE LIGHT FLICKERED, OIL PRESSURE FLUCTUATED, OIL QUANTITY WENT DOWN TO ZERO. SHUTDOWN AND SECURED ENGINE. WINDMILLING PRESSURE 14 PSI FOR 17 MINUTES. UPON ARRIVAL CHECKED OIL QUANTITY, INDICATOR READS 5 GALLONS, CHECKED OILMar 23, 1996 · N1803 · Doug DC862SDR 96ZZZX2288Sender · failedOIL PRESSURE SENDER HAS OPEN RESISTANCE CONDITION INTERNALLY.Mar 22, 1996 · N528SS · Diamon DA20A1SDR 96ZZZX2286Sender · failedOIL PRESSURE SENDER HAS OPEN RESISTENCE CONDITION INTERALLY.Mar 22, 1996 · N528SS · Diamon DA20A1SDR 96ZZZX2285Sender · failedOIL PRESSURE SENDER HAS OPEN RESISTENCE CONDITION INTERNALLY.Mar 22, 1996 · N521SS · Diamon DA20A1SDR 96ZZZX2282Sensor · failedOIL PRESSURE SENSOR HAS OPEN RESISTANCE CONDITION INTERNALLY.Mar 22, 1996 · N526SS · Diamon DA20A1SDR 96ZZZX3154Sensor · defectivePRESSURE SENSOR CAUSES PRESSURE GAUGE TO FLUCTUATE 10 PERCENT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Mar 21, 1996 · N901CF · Doug MD900SDR 96ZZZX3142Sensor · fluctuatesPRESSURE SENSOR CAUSES PRESSURE GAUGE TO FLUCTUATE 10 PERCENT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Mar 21, 1996 · N901CF · Doug MD900SDR ARWA9603007Diff Oil Switch · crackedAIRCRAFT DEPARTED MAO 1200Z, AT 1412Z PRECAUTIONARY INFLIGHT SHUTDOWN OF NR 4 ENGINE DUE TO FLUCTUATING OIL PRESSURE BELOW 35 PSI, OIL PRESSURE LIGHT ILLUMINATED AND OIL QUANTITY DECREASED TO ONE GALLON. CONTINUED ON TO MIAMI. FOUND DIFFERENTIAL OIL PRESSUREMar 17, 1996 · N661AV · Doug DC863FSDR 96UAL900195Oil Press Tube · crackedCREW REPORTS NR 1 ENGINE OIL QUANTITY WENT TO '0'. ENGINE SHUTDOWN AND WINDMILLED FOR APPROX 30 MINUTES. OIL PRESSURE DURING WINDMILL 4-6 PSI. SUPPLEMENTAL DATA UPDATE: ANGLE GEARBOX OIL PRESSURE LINE CRACKED CAUSING LOSS OF OIL QUANTITY. REPLACED OIL PREMar 15, 1996 · N644UA · Boeing 767322SDR SIMA960651Transmitter · failedCRP - FLT 3739 - NR 2 ENGINE OIL PRESSURE WENT TO ZERO, LOW OIL PRESSURE LIGHT ON, NO ASSOCIATED MASTER WARNING. SHUT DOWN NR 2 AND RESTARTED PER CREW EMERGENCY PROCEDURE. COULD NOT DUPLICATE REPLACED TRANSMITTER. OPS CHECKED GOOD, AIRCRAFT RETURNED TO SERVMar 5, 1996 · N369AT · Aerosp ATR72212SDR SWAA960150Oil Press Transm · inopBETWEEN 75 AND 100 MILES FROM OMA, NUMBER 2 ENGINE OIL PRESSURE DROPPED TO 20 PSI, ALL OTHER INDICATIONS READ NORMAL. PERFORMED ENGINE SHUTDOWN CHECKLIST, AIRCRAFT MADE AN UNEVENTFUL LANDING AT OMA. REMOVED AND REPLACED OIL PRESSURE TRANSMITTER PER BOEING MMFeb 28, 1996 · N722WN · Boeing 7372T4SDR P5CA9600151Press Indicator · inoperativeAFTER PUSHBACK, NR 3 ENGINE WAS STARTED AND OIL PRESSURE INDICATOR DID NOT INDICATE. REMOVED AND REPLACED OIL PRESSURE INDICATOR IAW MM 79-32-03, OPS CHECKS GOOD.Feb 28, 1996 · N853FT · Boeing 747122SDR HEEA966738Transmitter · defectiveCANNON PLUG END OF TRANSMITTER COMING LOOSE AND INDICATOR PEGS OUT.Feb 28, 1996 · N60951 · Snias AS350B2SDR 96FDEA00327Press Switch · failedDURING CLIMB, THE NR 2 LOW OIL PRESSURE FILTER BYPASS LIGHT ILLUMINATED. THE THRUST LEVER WAS RETARDED AND THE LIGHT WENT OUT AT EPR BUT AFTER A FEW MINUTES THE LIGHT CAME ON AGAIN AND REMAINED ON. THE ENGINE WAS SHUTDOWN, ALL ENGINE READINGS WERE NORMAL, NRFeb 27, 1996 · N258FE · Boeing 727233SDR SIMA960551Oil Press Alarm · illuminatedDFW - FLT 3573 - DURING TAKEOFF, NR 1 ENGINE OIL PRESSURE LOW LEVEL ALARM ILLUMINATED. TAKEOFF WAS ABORTED RESULTING IN NR 1 AND NR 2 TIRES DEFLATING DUE TO HIGH TEMPERATURE. REPAIRED ENGINE, CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. (X)Feb 24, 1996 · N114SB · Saab SF340ASDR 96ZZZM313Connector · failedON FLT NR 535, ATL-ATL, AIR RETURN, DURING THE CLIMB THE CAPTAIN NOTICED NR 2 ENGINE OIL PRESSURE AT 100 PSI. THE AIRCRAFT LANDED UNDER THE MAXIMUM LANDING WEIGHT. MAINTENANCE FOUND A BAD CANNON PLUG. REMOVED AND REPLACED THE CANNON PLUG, OPS CHECKED GOOD IFeb 20, 1996 · N931VV · Doug DC932SDR COMA9610085Oil Press Trans · defectiveRT ENGINE OIL PRESSURE INDICATES 80 PSI AT CRUISE POWER SETTING. WHEN POWER WAS REDUCED, OIL PRESSURE DECREASED TO NORMAL. REPLACED THE OIL PRESSURE TRANSDUCER.Feb 16, 1996 · N1117H · Emb EMB120RTSDR HEEA966640Switch · defectivePRESSURE SWITCH DEFECTIVE. OIL COOLER LIGHT DOESN'T COME ON WHEN SHUT DOWN.Feb 5, 1996 · N4302G · Bolkms BO105SSDR HEEA966631Transmitter · defectiveOIL PRESSURE GAUGE FLUCTUATING.Feb 5, 1996 · N3897N · Bell 214STSDR HEEA966630Transmitter · fluctuatesTRANSMITTER FLUCTUATES AT IDLE SPEED.Feb 5, 1996 · N5774M · Aerosp AS355F1SDR HEEA966620Transmitter · oil seepOIL SEEPING OUT OF WEEP HOLE.Feb 5, 1996 · N22342 · Skrsky S76ASDR HEEA966619Transmitter · leakingPRESS TRANSMITTER SEEPING OIL AT CONNECTORS.Feb 5, 1996 · N22342 · Skrsky S76ASDR COMA9610038Oil Press Gauge · defectiveRIGHT ENGINE OIL PRESSURE INDICATES ZERO. REPLACED THE RT ENGINE OIL PRESSURE GAUGE. PART TOTAL CYCLES, 12,823.Jan 23, 1996 · N462CA · Emb EMB120RTSDR WRLA96004Transmitter · loose wiringON TAXIING OUT, FLIGHT CREW NOTED NR 2 ENGINE OIL PRESSURE DROPPED TO 'ZERO' IN ENGINE START. FLIGHT CREW ELECTED TO RETURN TO GATE FOR CORRECTIVE ACTION. AIRCRAFT RETURNED TO GATE WITHOUT INCIDENT. MAINTENANCE PERSONNEL FOUND CONNECTORS LOOSE ON NR 2 OIL PJan 20, 1996 · N273WA · Doug MD11SDR 96ZZZM649Oil Press Switch · failedFLT NR 6486 - JFK-IAD - DURING TAXI, ABORTED TAKEOFF DUE TO THE RIGHT ENGINE OIL LEAKING AND INDICATING LOW OIL PRESSURE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE RIGHT OIL PRESSURE SWITCH AIRCRAFT WAS RELEASED AND APPROVJan 19, 1996 · N301UE · Jetair JETSTM4101SDR 96ZZZX3975Connector · dirtySMR/RNG - FLT 161 - IN-FLIGHT, ENGINE NR 4 SHUT DOWN. ACCOMPLISHED DUE OIL LOW PRESSURE. ENGINE NR 4 WAS CHECKED PER LEAK EVIDENCES AND IT IS OK. OIL PRESSURE TRANSMITTER ELECTRICAL CONNECTOR WAS CHECKED AND CLEANED. TEST ON ENGINE OK. NOTE: NO EVIDENCE Jan 18, 1996 · N509MM · Bac AVRO146RJ100SDR 96ZZZM264Transducer · failedAIRCRAFT DEPARTED RIL, FLIGHT NR 100, EN ROUTE TO DFW WHEN THE LEFT ENGINE OIL PRESSURE STARTED FLUCTUATING EXCESSIVELY. THE PILOT SHUTDOWN THE LEFT ENGINE AND RETURNED TO RIL WITHOUT FURTHER INCIDENT. UPON TROUBLESHOOTING, FOUND THE LEFT GEARBOX PRESSURE TRJan 18, 1996 · N340LS · Dorner DO328100SDR CA960122017Indicator · reading high(CAN)OIL PRESSURE GAUGE WAS FOUND TO READ 30 LBS ABOVE ACTUAL. A NEW INDICATOR WAS INSTALLED AND CHECKED OUT SERVICEABLE.Jan 12, 1996 · Beech C23SDR RAIA960113Line · crackedSTL - FLT 7232 - LOW OIL PRESSURE INDICATION RIGHT ENGINE, SHUT DOWN ENGINE. AIRCRAFT LANDED WITHOUT INCIDENT IN PIA. MAINTENANCE REFLARED LINE AT OIL PRESSURE MANIFOLD BLOCK, PERFORMED GROUND RUNS, OPERATIONAL AND LEAK CHECKS GOOD, AIRCRAFT RELEASED. (X)Jan 11, 1996 · N426TE · Aerosp ATR42300SDR HEEA966402Indicator · reads highOIL PRESSURE READS TOO HIGH OUT OF TOLERANCE.Jan 10, 1996 · N8587X · Bell 206L3
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