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 HEEA0015263Indicator · inoperativeENGINE OIL PRESSURE INDICATOR INOPERATIVE. PRESSURE SIDE ONLY.Jul 27, 1998 · N22608 · Bell 412SDR ABXA9800638Relief Valve · malfunctionNR 4 ENGINE OIL PRESSURE LOW LIGHT ILLUMINATED ON DESCENT. OIL PRESSURE READ 30 PSI. THROTTLE WAS IN IDLE. SHUT DOWN NR 4 ENGINE. WINDMILLING OIL PRESSURE WAS 3 PSI. REPLACED OIL PRESSURE RELIEF VALVE IAW PRATT AND WHITNEY MM 72-00 AND ADJUSTED OIL PRESSJul 26, 1998 · N821AX · Doug DC863SDR 98ZZZX3365Indicator · failedDURING GROUND RUN AFTER ANNUAL INSPECTION, ENGINE OIL PRESSURE GAUGE WENT FROM A NORMAL INDICATION TO ZERO. TROUBLESHOOTING THE PROBLEM, FOUND ENGINE OIL PRESSURE INDICATOR FAILED. REMOVED FAULTY INDICATOR AND INSTALLED NEW INDICATOR. FUNCTIONAL CHECK OK.Jul 23, 1998 · N973AA · Bell 407SDR HEEA0015232Switch · failedLIGHT WILL NOT COME ON.Jul 22, 1998 · N350BZ · Snias AS350B2SDR HEEA0015231Switch · failedPRESSURE SWITCH WILL NOT INDICATE.Jul 22, 1998 · N60951 · Snias AS350B2SDR DHL98702001Line · holeAT FL 330, NR 1 ENGINE OIL PRESSURE LIGHT CAME ON. OIL QUAN DROPPED TO 1.5, ENGINE HAD VIBRATION. REMOVED AND REPLACED OIL LINE FROM OIL PRESSURE TRANSMITTER.Jul 8, 1998 · N702DH · Boeing 72730CSDR RAIA980703Switch · failedJFK - FLT 7698 - NR 2 ENGINE OIL PRESSURE INDICATION DROPPED BELOW RED LINE WITH NO CAP WARNING LIGHT. REMOVED AND REPLACED OIL PRESSURE TRANSDUCER. (M)Jul 3, 1998 · N560HK · Jetair JETSTM4101SDR ABXA9800590Transmitter · cloggedDURING CRUISE, NR 3 ENGINE OIL PRESSURE WENT TO 100 PSI. SECURED NR 3 ENGINE. REPLACED NR 3 ENGINE OIL PRESSURE TRANSMITTER AND OIL FILTER IAW DC8 MM 79-30-00.Jun 30, 1998 · N813AX · Doug DC863SDR RAIA980609Transducer · failedFLT 7050 - STL - RIGHT ENGINE OIL PRESSURE READS HIGH, 140 PSI. MAINTENANCE INSPECTED AND REPLACED RIGHT ENGINE OIL PRESSURE TRANSDUCER. (M)Jun 23, 1998 · N429AM · Bag JETSTM3201SDR MALA976149Oil Press Light · illuminatedWHILE IN FLIGHT, THE RIGHT ENGINE OIL PSI CWP LIGHT CAME ON FOR 1 TO 2 SECONDS THEN WENT OUT. THE RIGHT ENGINE OIL PRESSURE GAUGE WAS ALSO AROUND 40 PSI AND FLUCTUATING 10 TO 20 PSI, PROBLEM DID NOT OCCUR WHILE ENGINE WAS FEATHERED. AIRCRAFT RETURNED TO DTW Jun 19, 1998 · N115XJ · Saab SF340ASDR TAOA069804Nut · looseDCA/LGA - FLT 6420 - DURING CLIMB-OUT, NR 1 ENGINE OIL PRESSURE DECREASED BELOW 35 PSI, OIL TEMPERATURE CLIMBED TO ABOVE 120 DEGREES. FOLLOWED ACM PROCEDURES SHUT DOWN NR 1 ENGINE. REPLACED OIL FILTER, FOUND LOOSE B-NUT ON OIL LINE TO LOW PRESSURE SWITCH ANDJun 17, 1998 · N927TS · Boeing 727227SDR HEEA0014799Indicator · inoperativeENGINE OIL PRESSURE LCD NOT ILLUMINATING OR TESTING.Jun 17, 1998 · N57416 · Bell 407SDR 98UAL900268Transmitter · malfunctionedNR 3 ENGINE OIL PRESSURE LOW TO RED BAND ON TAKEOFF ROLL. ABORTED TAKEOFF. *S/D* CLEANED THE ELECTRICAL CONNECTOR TO THE OIL PRESSURE TRANSMITTER AND SWAPPED THE NR 1 AND NR 3 GAUGES TO ISOLATE THE PROBLEM. IT SHOWED THAT THE PROBLEM WAS WITH THE INDICATIOJun 17, 1998 · N7294U · Boeing 727222SDR PLGA980615ATransducer · fluctuatingBOS - FLT 4400 - DURING FLIGHT, RIGHT ENGINE OIL PRESSURE WARNING LIGHT ON CWP ILLUMINATED INTERMITTENTLY WITH ASSOCIATED RIGHT OIL PRESSURE INDICATOR FLUCTUATING PLUS/MINUS PSI. AIRCRAFT DIVERTED TO BOS AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND RJun 15, 1998 · N359BE · Saab 340BSDR HEEA0014739Indicator · reads lowOIL TEMPERATURE SIDE READS LOW.Jun 11, 1998 · N1545X · Skrsky S76ASDR HEEA0014735Indicator · stickingOIL PRESSURE NEEDLE STICKS DURING START.Jun 11, 1998 · N5007Y · Bell 206L1SDR HEEA0014666Transmitter · intermittentENGINE OIL INDICATOR INTERMITTENTLY GOES TO ZERO.Jun 8, 1998 · N6095S · Snias AS350B2SDR HEEA0014661Switch · inoperativeOIL PRESSURE SWITCH UNIT WOULD NOT COME ON WITH BATTERY SWITCH.Jun 8, 1998 · N91070 · Bolkms BO105SSDR HEEA0014539Indicator · faultyOIL PRESSURE NR 2 NEEDLE PEGS OUT WHEN POWER APPLIED.Jun 4, 1998 · N911EB · Bolkms BO105SSDR HEEA0014520Indicator · failedOIL GAUGE READING HIGH 3-5 PSI.Jun 4, 1998 · N54641 · Bell 206L3SDR HEEA0014435Transmitter · malfunctionPRESSURE INDICATOR DROPS TO BELOW RED LINE AT 100 PERCENT THROTTLE.Jun 1, 1998 · N60951 · Snias AS350B2SDR HEEA0014413Indicator · fluctuatesFLUCTUATES IN-FLIGHT, TO HIGH SIDE.Jun 1, 1998 · N6100R · Snias AS350B2SDR USAASB98126Transmitter · malfunctionedSAV - FL1896 - CAPTAIN REPORTED THE NR 2 ENGINE INDICATED HIGH OIL PRESSURE WAS IN THE YELLOW BAND. POWER WAS REDUCED AND OIL PRESSURE DROPPED SLOWLY TO THE BOTTOM OF THE YELLOW BAND. FLIGHT DIVERTED TO SAV AND LANDED WITHOUT FURTHER INCIDENT. AN EMERGENCY May 28, 1998 · N270AU · Boeing 7372B7SDR 98ZZZM487Regulator · failedSAV - FL1896 - CAPTAIN REPORTED THE NR 2 ENGINE INDICATED HIGH OIL PRESSURE WAS IN THE YELLOW BAND. POWER WAS REDUCED AND OIL PRESSURE DROPPED SLOWLY TO THE BOTTOM OF THE YELLOW BAND. FLIGHT DIVERTED TO SAV AND LANDED WITHOUT FURTHER INCIDENT. AN EMERGENCY May 28, 1998 · N270AU · Boeing 7372B7SDR HEEA0014247Indicator · failedOIL PRESSURE INDICATOR STUCK ON ZERO; HAS TO BE TAPPED.May 19, 1998 · N6100R · Snias AS350B2SDR HEEA0014226Indicator · failedOIL PRESSURE INDICATOR FLICKERS FULL SCALE AND OFF CONTINUOUSLY AFTER 3RD START.May 19, 1998 · N407MM · Bell 407SDR COMA9860112Transducer · malfunctionLEFT ENGINE OIL PRESSURE BELOW NORMAL LIMITS IFSD. REPLACED PRESSURE TRANSDUCER.May 13, 1998 · N917CA · Cndair CL6002B19SDR ABXA9800452Transmitter · defectiveIN CLIMB WITH MCT SET, NR 1 ENGINE OIL PRESSURE DROPPED TO APPROXIMATELY 37 PSI WITH FLUCTUATION OF PLUS AND MINUS, MINUS 7 PSI. WHEN THROTTLE MOVED TO IDLE, OIL PRESSURE DROPPED TO 33 PSI. ENGINE SHUT DOWN. ENGINE WINDMILLED FOR APPROX 3.4 HRS WITH OIL PREMay 13, 1998 · N824AX · Doug DC863SDR COMA9860101Switch · malfunctionOIL PRESSURE WARNING DURING TAKEOFF. REPLACED OIL PRESSURE SWITCH.May 12, 1998 · N917CA · Cndair CL6002B19SDR MALA976124Transducer · failedAFTER CLIMB THE LEFT OIL PRESSURE GRADUAL FELL FROM 100 PSI TO 25 PSI, STAYED THERE AND THEN WENT BACK TO 100 PSI. AIRCRAFT RETURNED TO MSP. ON TAXI IN THE PRESSURE WENT DOWN TO ABOUT 5 PSI. PROP OPERATED NORMALLY AT ALL TIMES. MAINTENANCE REPLACED PROP GEMay 11, 1998 · N426XJ · Saab 340BSDR HEEA0014151Indicator · failedENG OIL TEMP/PRESS PSI NEEDLE FLUCTUATES WHEN VIBRATED.May 11, 1998 · N22608 · Bell 412SDR VTZA98182Gauge · failedFLT 6195 - IAD-MDT - DURING CRUISE, MADE AN UNSCHEDULED LANDING DUE TO RT OIL PSI GAUGE PEGGED OUT. AIRCRAFT RETURNED TO THE GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED OIL, PSI GAUGE. OPS CHECK OK. AIRCRAFT WAS RELEASED AMay 5, 1998 · N484UE · Bag JETSTM3201SDR ABXA9800443Switch · defectiveNR 1 ENGINE LOW OIL PRESSURE LIGHT ILLUMINATED ON CLIMBOUT. OIL QUANTITY, TEMPERATURE AND PRESSURE WERE NORMAL. PERFORMED ABNORMAL PROCEDURE. LIGHT REMAINED ON. PRECAUTIONARY ENGINE SHUTDOWN. REPLACED NR 1 ENGINE LOW OIL PRESSURE SWITCH. OPS CHECKED NORMMay 3, 1998 · N853AX · Doug DC861SDR RAIA980414Transducer · failedSTL - FLT 7424 - LEFT ENGINE OIL PRESSURE ABOVE RED LINE, ALL OTHER INDICATIONS NORMAL. MAINTENANCE REPLACED LEFT ENGINE OIL PRESSURE TRANSDUCER. (X)Apr 30, 1998 · N338TE · Bag JETSTM3201SDR HEEA0014073Indicator · failedPRESSURE NEEDLE FLUCTUATES WHEN VIBRATED.Apr 29, 1998 · N59805 · Bell 214STSDR VNAA9804020Transducer · failedDURING TAXI,THE LEFT ENGINE OIL PRESSURE WAS INDICATING BELOW LIMITS. THE AIRCRAFT RETURNED TO THE GATE. OUTSTATION MAINTENANCE TROUBLE SHOT AND FOUND THE LEFT OIL PRESSURE TRANSDUCER TO BE DEFECTIVE. OUTSTATION MAINTENANCE INSPECTED AND APPROVED THE AIRCRAFTApr 28, 1998 · N426JS · Dorner DO328100SDR RAIA980412Press Regulator · failedJFK - FLT 7779 - RIGHT ENGINE LOW OIL PRESSURE CAPTION ILLUMINATED, CREW PERFORMED ENGINE SHUTDOWN. MAINTENANCE REPLACED RIGHT ENGINE OIL PRESSURE REGULATING VALVE, PERFORMED MAINTENANCE CHECK FLIGHT: RESULT SATISFACTORY. (X)Apr 27, 1998 · N569HK · Jetair JETSTM4101SDR CA980504005Valve · loose(CAN) PILOT REPORTED THE NR 1 ENGINE OIL AND TORQUE PRESSURE DROPPED TO ZERO. NR 1 ENGINE PROP RPM FROM 1900 TO 1500. N1 AND ITT WERE NORMAL. THE ENGINE WAS SHUTDOWN WITHIN MINUTES. POST- FLIGHT INSPECTION FOUND NR 1 ENGINE OIL PRESSURE RELIEF VALVE TO BE Apr 27, 1998 · Beech 200BEECHSDR 98ZZZX1731Transducer · failedAIRCRAFT WAS IN CRUISE @ FL 200 WHEN THE PILOT NOTICED THE OIL PRESSURE GAUGE FOR THE NR 2 ENGINE READING ZERO. PILOT PERFORMED A PRECAUTIONARY SHUT DOWN AND LANDED WITHOUT FURTHER INCIDENT. TROUBLESHOOTING DETERMINED A FAILED OIL PRESSURE TRANSDUCER.Apr 27, 1998 · N8022Q · Beech C90ASDR RAIA980406Transducer · failedJFK - FLT 7667 - RIGHT ENGINE OIL PRESSURE DROPPED TO ZERO, OIL CAPTION ILLUMINATED, CREW PERFORMED ENGINE SHUT DOWN. MAINTENANCE INSPECTED, FOUND RIGHT ENGINE OIL PRESSURE TRANSDUCER LEAKING. MAINTENANCE REPLACED RIGHT ENGINE OIL PRESSURE TRANSDUCER. (X)Apr 23, 1998 · N559HK · Jetair JETSTM4101SDR EIAA980173Transmitter · inoperativeORD - DURING CRUISE NR 4 OIL PRESSURE INDICATION DROPPED TO 27 PSI, OIL PRESSURE ANNUNCIATOR LAMP REMAINED EXTINGUISHED, OIL QTY AND TEMP NORMAL. INFLIGHT ENGINE SHUTDOWN ACCOMPLISHED. REPLACED OIL PRESSURE TRANSMITTER PER MM 79-32-03, OPS CHECKED NORMAL. RApr 23, 1998 · N477EV · Boeing 747SR46SDR AU980520Transducer · faulty(AUS) LT ENGINE OIL PRESSURE TRANSDUCER FAULTY.Apr 22, 1998 · Dhav DHC8201SDR 98UAL900155Tube · crackedNUMBER TWO ENGINE OIL FILTER BYPASS LIGHT CAME ON. REDUCED THRUST AND LIGHT WENT OUT. *S/D* FOUND NR 2 ENGINE OIL PRESSURE LINE GOING TO OIL FILTER DIFFERENTIAL PRESSURE SWITCH, CRACKED. REPLACED LINE, OPS CHECK OK.Apr 21, 1998 · N202UA · Boeing 737322SDR 98ZZZX1890Transmitter · failedAIRCRAFT DEPARTED MIFFLIN CO AIRPORT AND NR 1 ENGINE OIL PRESSURE DROPPED TO ZERO. NR 1 ENGINE WAS SHUT DOWN AND AIRCRAFT RETURNED TO MIFFLIN CO AIRPORT. TRANSMITTER REPLACED.Apr 20, 1998 · N291LL · Aerosp AS365N2SDR CA980602017Switch · failed(CAN) AIRCRAFT DIVERTED AFTER ENGINE SHUTDOWN DUE TO OIL BYPASS LIGHT ILLUMINATION. REPLACED OIL PRESSURE SWITCH AND THE AIRCRAFT RETURNED TO SERVICE.Apr 15, 1998 · Boeing 737217SDR WTAA980065Connector · dirtyFAT - LEFT ENGINE OIL PRESSURE REPORTED IN THE YELLOW WITH NEEDLE ERRATIC. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE CLEANED CANNON PLUG TO OIL PRESSURE TRANSMITTER. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (M)Apr 13, 1998 · N418UE · Bag JETSTM3101SDR HAIGJQR0181Transmitter · failedTRANSMITTER INOP.Apr 10, 1998 · N98W · Bell 212SDR DL72E980765Oil Press Valve · failedON CLIMBOUT, NR 3 ENG OIL PRESS INDICATED IN THE RED, AT IDLE OIL PRESS IN THE GREEN. ANY ATTEMPT TO GO OVER 55 PERCENT. PRESSURE WOULD CLIMB TOWARDS THE RED. REPLACED OIL PRESSURE RELIEF VALVE.Apr 7, 1998 · N282WA · Boeing 727247SDR 98ZZZX1532Indicator · failedENGINE OIL PRESSURE INDICATOR READS ABOVE RED LINE AND READS 40 PSI WITH POWER OFF. REMOVED AND SENT FOR OVERHAUL. SUBMITTER CONTROL NR 98-4-3.Apr 3, 1998 · N8530F · Bell 212SDR HEEA0013802Indicator · failedOIL PRESSURE IS HIGH.Apr 2, 1998 · N3893P · Bell 412
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