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 CA990310094Switch · intermittent(CAN) TAKEOFF REJECTED DUE TO LOW OIL PRESSURE WARNING LIGHT ON NR 2 ENGINE. AIRCRAFT RETURNED TO GATE AND OIL WAS ADDED TO NR 2 ENGINE. MAINTENANCE TROUBLESHOT ENGINE AND THE FOLLOWING WAS ACCOMPLISHED: P2.5/P3 SWITCHING VALVE CLEANED, CENTRIFUGAL BREATHERJan 19, 1999 · Dhav DHC8102SDR USAAF99005Switch · malfunctionedPIT - FLT 1534 - AFTER TAKEOFF FROM PIT, THE AIRCRAFT SUSTAINED A LIGHTNING STRIKE. THE LEFT ENGINE OIL PRESSURE INDICATOR DROPPED TO ZERO AND THE FLIGHT CREW SHUT DOWN THE LEFT ENGINE. THE FLIGHT RETURNED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. SINGLE Jan 17, 1999 · N859US · Fokker F28MK0100SDR 99ZZZM156Transmitter · malfunctionedPIT - FLT 1534 - AFTER TAKEOFF FROM PIT, THE AIRCRAFT SUSTAINED A LIGHTNING STRIKE. THE LEFT ENGINE OIL PRESSURE INDICATOR DROPPED TO ZERO AND THE FLIGHT CREW SHUT DOWN THE LEFT ENGINE. THE FLIGHT RETURNED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. SINGLE Jan 17, 1999 · N859US · Fokker F28MK0100SDR ASOA99006Transducer · failedATL/CHA - FLT 4621 - EN ROUTE, LEFT ENGINE OIL PRESSURE WENT TO ZERO PSI. CREW SHUT DOWN THE LEFT ENGINE PER QRH SINGLE ENGINE PROCEDURE AND DECLARED AN EMERGENCY. AIRCRAFT LANDED AT CHA UNEVENTFULLY. ASA MECHANIC SWAPPED THE PRESSURE TRANSDUCERS AND CONFIRJan 12, 1999 · N828AS · Cndair CL6002B19SDR 99ZZZM166Switch · failedFLT 6247 - IAD-BGM - DURING CRUISE, MADE AN UNSCHEDULED LANDING DUE TO RIGHT ENGINE OIL FLUCTUATION. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED OIL SUCTION LINE. OIL PRESSURE TRANSDUCER AND OIL PRESSURJan 5, 1999 · N480UE · Bag JETSTM3201SDR 99ZZZM165Transducer · failedFLT 6247 - IAD-BGM - DURING CRUISE, MADE AN UNSCHEDULED LANDING DUE TO RIGHT ENGINE OIL FLUCTUATION. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED OIL SUCTION LINE. OIL PRESSURE TRANSDUCER AND OIL PRESSURJan 5, 1999 · N480UE · Bag JETSTM3201SDR CA990111054Transmitter · reads low(CAN) DURING CRUISE, THE CREW NOTICED THE OIL PRESSURE INDICATION ON NR 1 ENGINE WAS LOW. THE ENGINE WAS SHUT DOWN. THE AIRCRAFT RETURNED TO ITS DEPARTURE POINT. THE OIL PRESSURE TRANSMITTER WAS CONFIRMED AS THE FAULT AND WAS REPLACED.Dec 29, 1998 · Aerosp ATR42300SDR SWIA971351Transducer · failedLEFT OIL PRESSURE DROPPED TO APPROXIMATELY 50 PSI AND STAYED IN YELLOW ARC. DIVERTED FROM MRY TO SBA. REPLACED LEFT OIL PRESSURE TRANSDUCER. PERFORMED RUNS AT ALL POWER SETTINGS, OPS AND LEAK CHECKS GOOD.Dec 25, 1998 · N229SW · Emb EMB120ERSDR COMA9860405Transducer · failedLEFT ENGINE OIL PRESSURE ABNORMAL. REPLACED THE OIL PRESSURE TRANSDUCER.Dec 25, 1998 · N940CA · Cndair CL6002B19SDR 99ZZZX362Indicator · damagedINDICATOR DAMAGED. REPLACED WITH NEW GAUGE FROM BELL HELICOPTER.Dec 23, 1998 · N10EW · Bell 407SDR AU981647Processor · malfunctioned(AUS) DURING CRUISE, THE NR 3 ENGINE LOW OIL PRESSURE LIGHT ILLUMINATED - GAUGE WAS SHOWING NORMAL 90 PSI. GROUND INVESTIGATION FOUND THE DUAL LOW OIL PRESSURE PROCESSOR DEFECTIVE.Dec 16, 1998SDR ARWA981206Switch · inopNR 1 ENGINE OIL PRESSURE LIGHT CAME ON IN FLIGHT, OIL PRESSURE AND QUANTITY OK, ENGINE SHUT DOWN AT 19:15 Z AS PER ARROW AIR ABNORMAL PROCEDURE, WINDMILLING PRESS, 17 PSI. REMOVED AND REPLACED NR 1 ENGINE OIL PRESS DIFF PRESS SWITCH, GROUND OPERATION CHECKED Dec 10, 1998 · N791AL · Doug DC862SDR 98ZZZX4804Indicator · failedOIL PREESSURE INDICATOR REPLACED WITH NEW INDICATOR FROM BELL HELICOPTER.Dec 9, 1998 · N44454 · Bell 412EPSDR 98FDEA00714Indicator · failed98-0286, NR 1 ENG OIL INDICATORS DECREASED TO 0 AT FL350, BOTH ECAM AND ANALOG. REMOVED AND REPLACED ENGINE OIL QTY DUAL INDICATOR.Nov 25, 1998 · N421FE · Airbus A310222SDR HEEA0016827Switch · intermittentPRESSURE SWITCH INTERMITTENT.Nov 24, 1998 · N350BZ · Snias AS350B2SDR ABXA9801061Transmitter · defectiveNR 3 OIL PRESSURE FLUCTUATED 35 TO 37 PSI AFTER IDLE POWER SET DURING DESCENT. PRESSURE STEADIED ABOUT 37 PSI ON LEVEL OFF AT LOW ALTITUDE. WHEN PRESSURE DROPPED TO 35 TO 34 PSI, PRECAUTIONARY SHUT DOWN WAS ACCOMPLISHED . REPLACED NR 3 ENGINE OIL FILTER AS Nov 17, 1998 · N843AX · Doug DC861SDR DHL98805004Line · crackedNR 4 ENGINE SHUT DOWN DUE TO LOW OIL QUANTITY AND OIL PRESSURE FLUCTUATIONS. REPLACED CRACKED LINE AT OIL PRESSURE TRANSMITTER.Nov 7, 1998 · N805DH · Doug DC873FSDR SCNA98134Switch · failedDURING CLIMBOUT, THE NUMBER ONE ENGINE OIL PRESSURE LOW LIGHT ON FILTER BYPASS INDICATOR. RETURNED AIRCRAFT TO LAS. REMOVED AND REPLACED BYPASS DIFFERENTIAL PRESSURE SWITCH REF MM 793300. OPERATIONALLY CHECKS GOOD.Oct 31, 1998 · N275AF · Boeing 727227SDR HEEA0016424Transmitter · out of toleranceTRANSMITTER READS HIGH OUT OF TOLERANCE.Oct 26, 1998 · N2149S · Bell 412SDR HEEA0016401Indicator · malfunctionedENGINE OIL TEMPERATURE STAYS AT ZERO.Oct 23, 1998 · N5736J · Bell 212SDR HEEA0016294Transmitter · malfunctionedENGINE OIL TRANSMITTER NOT TRANSMITTING CORRECTLY.Oct 22, 1998 · N1547D · Skrsky S76ASDR HEEA0016289Indicator · fluctuatesTEMPERATURE NEEDLE FLUCTUATES.Oct 22, 1998 · N5128 · Skrsky S76ASDR HEEA0016288Indicator · stickingPRESSURE INDICATES LOW TEMPERATURE, NEEDLE STICKS.Oct 22, 1998 · N4253S · Skrsky S76ASDR CA981125019Transmitter · failed(CAN) ON ENGINE START, OIL PRESSURE SYSTEM NR 3 DISPLAYED ON EICAS DUE TO NO OIL PRESSURE INDICATION NR 3 ENGINE. REPLACED NR 3 OIL PRESSURE TRANSMITTER. PART TC: 4,547.Oct 19, 1998SDR 98ZZZX4588Line · failed.1250 INCH ALUMINUM LINE WHICH CONNECTS BETWEEN ENGINE CRANKCASE AND FLEXIBLE LINE GOING TO OIL PRESSURE GAUGE BROKE IN-FLIGHT CAUSING LOSS OF APPROXIMATELY 5 QUARTS (OUT OF TEN) OF OIL BEFORE AIRCRAFT COULD BE LANDED. SUBMITTER FEELS AN AD REQUIRING REPLACEOct 19, 1998 · N61JC · Beech P35SDR PNSA981001Oil Pressure · erraticDURING CRUISE, OIL PRESSURE FOR LT ENGINE BECAME ERRATIC. SECURED LT ENGINE. DIVERTED TO AKN. UNEVENTFUL LANDING WAS MADE.Oct 16, 1998 · N675PA · Saab 340BSDR PCAA9800787Indicator · failedEN ROUTE TO BOS FROM MDT, THE NR 1 ENGINE OIL TEMP WENT OFF SCALE. THE AIRCRAFT RETURNED TO MDT AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AND FOUND THE TEMP INDICATION AT FAULT. THE OIL TEMP INDICATOR AND BULB WERE REMOVED AND REPLACED. SYSTEM OOct 14, 1998 · N815EX · Dhav DHC8102SDR HEEA0016153Transducer · reads highTRANSDUCER READS HIGH.Oct 13, 1998 · N230UN · Bell 230SDR HALA9800337Transmitter · failedFLT 182 - HNL - LEFT ENGINE OIL PRESSURE INDICATOR DROPPED TO ZERO. LOW PRESSURE LOW LIGHT REMAINED EXTINGUISHED. OTHER INDICATIONS NORMAL. A/C ABORTED TAKEOFF AND RETURNED TO BLOCKS. REPLACED NR 1 ENGINE OIL PRESSURE INDICATOR, PRESSURE TRANSMITTER. OIL Oct 9, 1998 · N699HA · Doug DC951SDR 98ZZZX4003Line · corrodedTHE ALUMINUMN LINE REFERENCED ABOVE WAS AN OIL PRESSURE LINE FOR THE OIL PRESSURE GAUGE. IT IS LOCATED BEHIND THE INSTRUMENT PANEL IN A VERY HARD TO SEE AREA. IT WAS FOUND CORRODED AND DEEPLY PITTED AND LEAKING OIL DURING AN AVIONICS INSTALLATION. THE CAUSEOct 7, 1998 · N711AP · Gulstm AA5BSDR 98ZZZX3889Line · corrodedTHE ALUMINUM LINE WAS AN OIL PRESSURE LINE RUNNING FROM THE FIREWALL TO THE OIL PRESSURE GAUGE. IT IS LOCATED BEHIND THE INSTRUMENT PANEL IN A VERY HARD TO SEE AREA AND FOUND CORRODED AND DEEPLY PITTED. DISCOVERED DURING ANNUAL INSPECTION. SUBMITTER STATEDOct 7, 1998 · N2666C · Cessna R182SDR 98FDEA00638Switch · failed98-243 AT CRUISE, FL 330, NR 1 OIL FILTER BYPASS LIGHT CAME ON WHEN THROTTLE WAS RETARD TO IDLE, LIGHT WENT OUT FOR APPROX 2 MIN, THEN CAME BACK ON AND REMAINED ON. ENG WAS SHUT DOWN IN ACCORD WITH RED TAB. OIL TEMP AND PRESS & QUAN NORM. REMOVED AND REPLAOct 7, 1998 · N465FE · Boeing 727225SDR HEEA0016113Indicator · malfunctionedENGINE OIL PRESSURE DROPPED TO ZERO DURING GROUND RUN.Oct 5, 1998 · N417PH · Bell 407SDR CA981019018Switch · failed(CAN) NR 2 ENGINE OIL PRESSURE LIGHT ILLUMINATED WITH AN ACCOMPANYING LOW OIL PRESSURE GAUGE IN-FLIGHT. THE ENGINE WAS SHUTDOWN. POS-FLIGHT INSPECTION OF THE ENGINE CHIP DETECTORS AND OIL FILTERS FOUND NO FAULT. THE NR 2 ENGINE OIL PRESSURE SWITCH WAS REPLAOct 2, 1998 · Boeing 747133SDR 99ZZZX771Sensor · inoperativeSENSOR UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 24, 1998 · N163BK · Bolkms BK117A3SDR PCAA9800783Transmitter · failedAFTER TAKEOFF FROM SYR, THE NR 2 ENGINE OIL PRESSURE INDICATED 100 PSI. AIRCRAFT RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT SYSTEM, REPLACED WIRING FROM 9811-J29 TO OIL PRESSURE TRANSMITTER. REMOVED AND REPLACED NR 2 OIL PRESSURESep 9, 1998 · N828EX · Dhav DHC8102SDR TC8A98056Switch · failedON CLIMBOUT, NR 2 ENGINE LOW OIL PRESSURE LIGHT ON. CHECK LIST COMPLETED AND LIGHT STILL ON. SHUT DOWN NR 2 ENGINE PRECAUTIONARY. CREW DEBRIEF REVEALED NO OIL PRESSURE LOSS AND NO OIL QTY LOSS. DISCOVERED OIL DIFFERENTIAL PRESSURE SWITCH LEAKING. REMOVED Sep 4, 1998 · N181SK · Doug DC862SDR HEEA0015878Indicator · reads lowINDICATOR READING LOW PRESSURE, INDICATOR FAILED COMMON MODE TEST.Aug 27, 1998 · N59805 · Bell 214STSDR HEEA0015877Indicator · failedOIL TEMPERATURE PEGS OUT HIGH SIDE. INDICATOR FAILED COMMON MODE TEST.Aug 27, 1998 · N59806 · Bell 214STSDR HEEA0015800Indicator · inoperativeENGINE OIL PRESSURE LCD INOPERATIVE, WILL NOT TEST.Aug 26, 1998 · N457PH · Bell 407SDR HEEA0015753Indicator · fluctuatesPRESSURE FLUCTUATES IN-FLIGHT, FUNCTION CHECK BAD, PRESSURE NEEDLE INDICATES HIGH AND FLUCTUATES.Aug 25, 1998 · N22608 · Bell 412SDR MWEA98878Indicator · malfunctionedTHE LEFT ENGINE OIL PRESSURE WENT INTO THE YELLOW ON TAKEOFF ROLL. MTC REMOVED AND REPLACED THE LEFT OIL PRESSURE INDICATOR.Aug 14, 1998 · N207ME · Doug DC932SDR MWEA98875Indicator · inoperativeLEFT ENGINE OIL PRESSURE DROPPED TO 38 PSI DURING TO ROLL. REMOVED AND REPLACED LEFT ENGINE OIL PRESSURE INDICATOR, OPS GOOD.Aug 14, 1998 · N207ME · Doug DC932SDR HEEA0015599Indicator · reads highINDICATOR PRESSURE INDICATOR READS 5 PSI HIGH.Aug 14, 1998 · N8591X · Bell 206L3SDR HEEA0015598Indicator · stickingINDICATOR STICKS AND PRESSURE READS HIGH AT HIGH END.Aug 14, 1998 · N3116L · Bell 206L3SDR 98ZZZM800Transducer · failedFLT 6299 - IAD-ABE - DURING CRUISE, MADE AN UNSCHEDULED LANDING DUE TO LEFT ENGINE BETA LIGHT ILLUMINATED AND OIL PSI DROPPED TO 70 PSI. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED LEFT ENGINE P-3 LINE AAug 10, 1998 · N472UE · Bag JETSTM3201SDR 98ZZZM799Transducer · failedFLT 6299 - IAD-ABE - DURING CRUISE, MADE AN UNSCHEDULED LANDING DUE TO LEFT ENGINE BETA LIGHT ILLUMINATED AND OIL PSI DROPPED TO 70 PSI. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED LEFT ENGINE P-3 LINE AAug 10, 1998 · N472UE · Bag JETSTM3201SDR RAIA980805Switch · failedFLT 7486 - STL - RIGHT ENGINE OIL CAPTION ILLUMINATED IN FLIGHT. MAINTENANCE REPLACED RIGHT OIL PRESSURE SWITCH. (M)Aug 6, 1998 · N428AM · Bag JETSTM3201SDR HEEA0015444Indicator · failedLOW PRESSURE READING WHEN OIL BECOMES HOT.Jul 30, 1998 · N1072T · Bell 206L1SDR HEEA0015355Indicator · stuckSTICKS AND PRESSURE READS HIGH AT HIGH END.Jul 29, 1998 · N3116L · Bell 206L3
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