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 9521169140Oil Press Trans · failedNR 1 ENGINE OIL PRESSURE INDICATION FAILED ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE OIL PRESSURE TRANSMITTER WITH A SERVICEABLE UNIT.Dec 22, 1995 · N930RC · Doug DC914SDR AALA952122Oil Press Trans · dirtyYYZ - FLT 1049 - EN ROUTE YYZ/LGA, THE NR 2 ENGINE LOW PRESSURE LIGHT ILLUMINATED ALONG WITH THE RED MASTER WARNING ALERT. RETARDED NR 2 ENGINE THROTTLE AND ALERT EXTINGUISHED. ADVANCED NR 2 ENGINE THROTTLE AGAIN, CAUSED ALERT TO RECUR. EMERGENCY DECLARED ANDec 21, 1995 · N1434A · Fokker F28MK0100SDR IXKA9500031Low Oil Press Sw · failedATL - FLT 53 - NR 3 ENGINE LOW OIL PRESSURE FILTER BYPASS LIGHT CAME ON AND WOULD NOT GO OUT WITH IDLE POWER. ALL OTHER INDICATIONS NORMAL. ENGINE WAS SHUT DOWN. REMOVED AND REPLACED NR 3 ENGINE LOW OIL PRESSURE BYPASS SW AS PER MM 79-31-1. REMOVED AND REPDec 19, 1995 · N356PA · Boeing 727225SDR 96ZZZX208Transmitter · fluctuatingTRANSMITTER HAS FLUCTUATING PRESSURE.Dec 15, 1995 · N95MD · Aerosp SA365N1SDR 96ZZZX207Transmitter · defectiveOIL PRESSURE TRANSMITTER FLUCTUATING AND PEGGING AT 5 BARS.Dec 15, 1995 · N38MD · Aerosp SA365N1SDR 96ZZZX1680Transmitter · defectiveENGINE OIL PRESSURE READS .5 TO .75 HIGH. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 14, 1995 · N96LG · Snias AS350B2SDR 96ZZZX1615Sensor · defectiveSENSOR UNIT CAUSES PRESSURE GAUGE TO FLUCTUATE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 9, 1995 · N901CF · Doug MD900SDR SIMA953361Oil Line · crackedORD - FLT NR 4200 - NR 2 ENGINE LOW OIL PRESSURE WARNINGS IN FLIGHT, NR 2 ENGINE SHUT DOWN. INSPECTED ENGINE AND FOUND OIL PRESSURE LINE TO THE LOW PRESSURE SWITCH WAS CRACKED. RAI'D LINE OPS CHECK GOOD. RETURNED AIRCRAFT TO SERVICE. (M)Dec 2, 1995 · N424MQ · Aerosp ATR42300SDR SIMA953332Switching Valve · malfunctionedORD - FLT 4256 - PIREP SMOKE/OIL SMELL IN CABIN. REMOVED AND INSPECTED NR 2 ENGINE P3/25 SWITCHING VALVE. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. (X)Nov 29, 1995 · N274AT · Aerosp ATR72212SDR 96ZZZX329Oil Press Trans · malfunctionedWHILE INFLIGHT, THE PILOT OBSERVED THAT THE NO 1 ENGINE OIL PRESSURE DECREASED INTO THE YELLOW PRECAUTIONARY RANGE. THE NO 1 ENGINE WAS SHUT DOWN AS A PRECAUTION TO PREVENT POSSIBLE ENGINE DAMAGE. AIRCRAFT LANDED WITH NO FURTHER INCIDENT. NO DAMAGE OR INJURNov 29, 1995 · N83T · Skrsky S76SDR TAOA119510Switch · stuckFLT NR 6450 - DCA-LGA - IN CRUISE, EXPERIENCED A NR 1 OIL PRESSURE/FILTER BYPASS LIGHT ILLUMINATE. RETARDED NR 1 THROTTLE, LIGHT STAYED ON. SHUTDOWN NR 1 ENGINE, OIL PRESSURE REMAINED IN THE GREEN BAND. NR 1 OIL PRESSURE SWITCH STUCK IN THE ON POSITION. RENov 28, 1995 · N922TS · Boeing 727225SDR 96ZZZX3143Sensor · fluctuatesPRESSURE SENSOR CAUSES PRESSURE GAUGE TO FLUCTUATE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 26, 1995 · N901CF · Doug MD900SDR DL73S954478Diff Press Sw · failedON CLIMBOUT, NR 2 ENG OIL PRESS BYPASS LIGHT ON. ALL OTHER IND NORMAL, DIVERTED TO MEM, LIGHT STAYED ON. NORTHWEST MTC CHECKED AND REPLACED OIL FILTER AND NO CONTAMINATION WAS FOUND. PUT THE NR 2 ENG BYPASS LIGHT ON MCO MEL 79-00-02. WHEN A/C ARRIVED ATL, Nov 22, 1995 · N311DL · Boeing 737232SDR HEEA956110Transducer · defectiveOIL PRESSURE FLUCTUATION.Nov 21, 1995 · N911BR · Bolkms BO105SSDR RAIA951124Transmitter · failedSTL - FLT 7073 - RIGHT OIL PRESSURE WENT TO 140. REPLACED OIL PRESSURE TRANSMITTER. (M)Nov 17, 1995 · N424AM · Bag JETSTM3201SDR UF6A951106Press Switch · failedORD - FLT NR 5106 - NR 2 PROP OIL PRESSURE CWP ILLUMINATED ON SHORT FINAL. MAINTENANCE REMOVED AND REPLACED THE PRESSURE SWITCH ON THE NR 2 RBG. (M)Nov 8, 1995 · N857AW · Bag ATPSDR ABXA9500930Relief Valve · defectiveDURING DESCENT, LOW OIL PRESSURE WARNING LIGHT ILLUMINATED FOR THE NR 4 ENGINE WITH AN OIL PRESSURE INDICATION OF 33 PSI WITH ENGINE POWER AT IDLE. PERFORMED PRECAUTIONARY SHUT-DOWN OF THE NR 4 ENGINE. REPLACED MAIN OIL FILTER FOR THE NR 4 ENGINE IAW DC8 MM,Oct 31, 1995 · N825AX · Doug DC863SDR ABXA9500894Transmitter · defectiveDURING DESCENT, AFTER APPROACH CHECKLIST, NR 2 ENGINE OIL PRESSURE INDICATION WENT OFF SCALE (HIGH). CHECKED, PULLED, AND RESET CIRCUIT BREAKERS FOR NR 2 ENGINE OIL PRESSURE INDICATION WITH NO CHANGE. SHUTDOWN NR 2 ENGINE FOR APPROXIMATELY FIVE MINUTES PRIOROct 29, 1995 · N824AX · Doug DC863SDR 96ZZZX157Data Pack · indicator sticksNR 2 OIL PRESSURE INDICATOR STICKS AT ZERO ON POWER-UP AND START. REMOVED AND REPLACED 14 DATA PACK.Oct 16, 1995 · N365SJ · Aerosp SA365NSDR 95ZZZX6172Indicator · malfunctionAPPROXIMATELY 5 MINUTES AFTER TAKEOFF, LT ENGINE OIL PRESSURE INDICATION DECREASED TO ZERO, THEN BELOW ZERO WITHIN 2 MINUTES. SINCE OIL TEMP WAS STILL INCREASING AFTER DEPARTURE, NO RELIABLE MEANS OF DETERMINING ENGINE OIL CONDITION WAS AVAILABLE. ENGINE WASOct 13, 1995 · N584DP · Beech 58PSDR BDHA9500024Connector · water loggedMSP - FLT 434 - ON TAKEOFF ROLL, THE LEFT OIL PRESSURE WARNING LIGHT ILLLUMINATED. THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE HANGAR. MAINTENANCE INSPECTED THE SWITCH ASSY AND FOUND WATER IN THE CANNON PLUG. THE PLUG WAS DRIED OUT AND THE SYSTEM OPERAOct 9, 1995 · N229AM · Swrngn SA226TCSDR SIMA952761Oil Psi Transm · intermittentLBB - FLT NR 3826 - DURING TAKEOFF FROM LBB, NR 2 ENGINE OIL PRESSURE INDICATION DROPPED TO ZERO, NO LOW OIL PRESSURE WARNINGS GIVEN. CREW SHUT DOWN NR 2 ENGINE AND RETURNED TO LBB. DFW - MAINTENANCE SENT TO LBB WHERE THEY GROUND RAN AIRCRAFT SATISFACTORY, BOct 3, 1995 · N451AT · Aerosp ATR72212SDR 96ZZZX512Transducer · defectivePRESSURE INDICATOR FLUCTUATES AT LOW POWER SETTINGS. NORMAL INDICATION IS RECEIVED AT HIGHER POWER SETTINGS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 2, 1995 · N441RC · Cessna 441SDR MWEA95326Oil Press Wire · brokenTEN MINUTES INTO FLIGHT, LEFT ENGINE OIL PRESSURE BEGAN TO FLUCTUATE AND ALL OTHER INDICATIONS WERE NORMAL. TWENTY MINUTES INTO FLIGHT, LEFT ENGINE OIL PRESSURE DROPPED TO ZERO AND OIL PRESSURE LOW LIGHT AND OTHER INDICATIONS NORMAL. ACFT RETURNED TO MKE. FSep 27, 1995 · N602ME · Doug DC932SDR MWEA95325Regulator · intermittentDURING TAKEOFF AT APPROXIMATELY 100 KTS, THE LEFT ENGINE OIL PRESSURE WAS SLIGHTLY ABOVE 80 PSI. ABORTED TAKEOFF, RETURNED TO BLOCK. REPLACED REGULATOR PER MM 79-32 AND ADJUSTED TO PROPER LIMITS. RUN UP, LEAK AND OPS CHECK GOOD.Sep 27, 1995 · N602ME · Doug DC932SDR USAA951003Oil Press Xmittr · failedBUF - FLT NR 1063 - ON CLIMB-OUT FROM BUF, NR 2 ENGINE OIL PRESSURE INDICATION DROPPED TO 15 PSI. FLIGHT CREW SHUT DOWN NR 2 ENGINE AND RETURNED TO BUF WHERE LANDING WAS WITHOUT INCIDENT. SET WAS 11 MINUTES. MAINTENANCE REPLACED THE NR 2 ENGINE OIL PRESSURESep 23, 1995 · N265AU · Boeing 737201SDR BDHA9500019Oil Press Sw · failedMSP - FLT NR 421 - AFTER TAKEOFF, THE LEFT OIL PRESSURE WARNING LIGHT ILLUMINATED WITH ALL OTHER INDICATIONS NORMAL. THE AIRCRAFT RETURNED TO MSP FOR MAINTENANCE TO INSPECT. INSPECTION OF THE SYSTEM FOUND THE OIL PRESSURE WARNING LIGHT SWITCH STUCK CLOSED. Sep 14, 1995 · N328BA · Swrngn SA226TCSDR COMA9531158Connector · defectiveRT PROPELLER GEAR BOX OIL PRESSURE INDICATOR WAS FLUCTUATING BETWEEN 30 AND 200 PSI. REPLACED THE PGB OIL PRESSURE TRANSDUCER WIRING CONNECTOR.Sep 13, 1995 · N158CA · Saab SF340ASDR HEEA955718Transmitter · failedTRANSMITTER FAILED.Sep 12, 1995 · N500PH · Beech 200CBEECHSDR 9514336310Pressure Switch · malfunctionedDURING CLIMB, THE NR 3 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED. THE ENGINE WAS SHUTDOWN, 130,000 LBS OF FUEL WAS DUMPED, THE AIRCRAFT DIVERTED TO NRT AND LANDED WITHOUT INCIDENT. REPLACED THE OIL FILTER DIFFERENTIAL PRESSURE SWITCH AND OIL FILTER. OPERATSep 8, 1995 · N670US · Boeing 747451SDR MALA954618Oil Press Transd · internal faultFLT 3458 - DURING DEPARTURE IN DTW, THE CREW NOTED THE NR 1 OIL PRESSURE WAS AT 70 PSI. THE AIRCRAFT RETURNED TO DTW WITHOUT INCIDENT. MAINTENANCE PERSONNEL REPLACED THE NR 1 OIL PRESSURE TRANSDUCER. ALL SYSTEMS OPERATED SATISFACTORILY. (M)Sep 4, 1995 · N848MA · Dhav DHC8102SDR 96ZZZX1609Transmitter · high readingHIGH RPESSURE READINGS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 4, 1995 · N722MB · Bolkms BO105SSDR COMA1956Valve · stuckDURING FLIGHT, THE NR 1 ENGINE OIL PRESSURE DECREASED TO 52 PSI, ALONG WITH SOUND OF RELAYS CLICKING IN PILOTS SIDE PANEL. WHILE THE PROPELLER WAS IN FEATHER OIL PRESSURE RETURNED TO 60 PSI. REMOVED AND REPLACED THE P2.5 SWITCHING VALVE.Sep 1, 1995 · N159A · Emb EMB120RTSDR AWXA9500591Oil Press Ind · malfunctionedPHX-LAS - FLT NR 91 - EN ROUTE TO LAS THE LT ENGINE WAS SHUT DOWN DUE TO LOW OIL PRESSURE INDICATION. AIRCRAFT CONTINUED TO LAS AND LANDED WITHOUT FURTHER PROBLEMS. MAINTENANCE PERFORMED INSPECTION OF LEFT ENGINE OIL FILTERS, AND CHECKED AND CLEANED OIL PRESAug 29, 1995 · N914AW · Boeing 757225SDR 95ZZZX5502Transducer · erraticERRATIC INDICATOR OPERATION. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.Aug 29, 1995 · N441RC · Cessna 441SDR ASOA95021Oil Press Trans · defectiveINBOUND ATL-FAY, CAPTAIN ADVISED THAT APPROXIMATELY 50 MILES OUT THE LEFT ENGINE OIL PRESSURE PEGGED. THE CAPTAIN ELECTED TO SHUT DOWN THE ENGINE AND DECLARE AN EMERGENCY. LANDING WAS MADE IN FAY SAFELY AND WITHOUT INCIDENT. REMOVED AND REPLACED OIL PRESSURAug 26, 1995 · N242AS · Emb EMB120RTSDR 95ZZZX5930Fitting · crackedDURING SEARCH FOR OIL LEAK AT AFT PORTION OF ENGINE, FOUND ALUMINUM ELBOW FITTING SUPPORTING OIL PRESSURE TRANSDUCER CRACKED. IT APPEARS THE WEIGHT OF THE TRANSDUCER WAS TOO MUCH FOR THE ALUMINUM FITTING. MOVED TRANSDUCER OUTBOARD AFT AND SECURED TO ENGINE MAug 25, 1995 · N115AZ · Grob G115CSDR MALA954602Oil Press Trans · malfunctionedFLT NR 3075 - ON CLIMB-OUT FROM MSP, THE CREW NOTED THAT THE RIGHT OIL PRESSURE GAUGE WAS FLUCTUATING ERRATICALLY BETWEEN 10 PSI AND 100 PSI. ALL OTHER INDICATIONS WERE NORMAL. THE AIRCRAFT RETURNED TO MSP. MAINTENANCE COMPLETED GROUND RUNS AT CRUISE POWER Aug 24, 1995 · N159MC · Swrngn SA227ACSDR 95ZZZX6595Switch · faultyAED AND PRESSURE LIGHT ON. REMOVED AND REPLACED.Aug 16, 1995 · N911SV · Bolkms BO105LSA3SDR 95ZZZX4483Sensor · defectiveOIL PRESSURE SENDING UNIT FAILING TO GIVE CORRECT READINGS. SUBMITTER RECOMMENDS TRYING A DIFFERENT MANUFACTURER. SLINGSBY IPC, CHAPTER 55, FIGURE 5, ITEM NR 3.Aug 15, 1995 · N3037T · Slnsby T67M260SDR 95ZZZX6582Transmitter · defectiveTRANSMITTER INTERMITTENTLY PEGS OUT. REMOVED AND REPLACED.Aug 14, 1995 · N105NG · Bolkms BO105SSDR 95ZZZX4500Oil Press Trans · failedON CLIMB CHECK, RT OIL PRESSURE FLUCTUATING BETWEEN 30-50 PSI. SUBSEQUENTLY, WENT TO OPSI WITHOUT ILLUMINATION OF OIL PRESSURE LIGHT. GPX MAINTENANCE REPLACED TRANSDUCER, GROUND RUN CHECKED GOOD. RETURNED AIRCRAFT TO SERVICE.Aug 12, 1995 · N318BH · Beech 1900CSDR 9512192285Transmitter · malfunctionedNR 3 ENGINE OIL PRESSURE INDICATION DROPPED TO ZERO ON TAKEOFF ROLL, TAKEOFF WAS ABORTED. THE AIRCRAFT RETURNED TO THE GATE. A REPLACEMENT OIL PRESSURE TRANSMITTER WAS INSTALLED. SYSTEM OPERATION RETURNED TO NORMAL. THE AIRCRAFT RESUMED REVENUE SERVICE.Aug 9, 1995 · N285US · Boeing 727251SDR 9512102295Oil Press Sw · malfunctionedTHE NR 1 ENGINE LOW OIL PRESSURE WARNING ILLUMINATED ON TAKEOFF. TAKEOFF WAS ABORTED, THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE LOW OIL PRESSURE AND DIFFERENTIAL PRESSURE SWITCHES. THE MAIN OIL FILTER WAS INSPECTED FOR CONTAMINANTS, NONE FAug 6, 1995 · N295US · Boeing 727251SDR COM31132Oil Press Trans · defectiveRIGHT PROPELLER GEARBOX INDICATED ZERO OIL PRESSURE. FLIGHT RETURNED TO CVG. REPLACED OIL PRESSURE TRANSDUCER.Aug 5, 1995 · N158CA · Saab SF340ASDR 95ZZZX4494Sensor · defectiveOIL PRESSURE SENDING UNIT GIVES FALSE READINGS ON INSTRUMENT GAUGE. READINGS ARE ALSO DIFFERENT WHEN TESTING WHILE UNIT IS OFF THE ENGINE. SUBMITTER RECOMMENDS TRYING A DIFFERENT TYPE OIL PRESSURE SENDING UNIT.Aug 1, 1995 · N7020D · Slnsby T67M260SDR 95ZZZX4257Oil Vent Line · looseJFK - FLT 903 - DURING CRUISE, SHUT DOWN NR 3 ENGINE, SN 4285, DUE TO OIL LOSS, FOUND VENT LINE TO OIL PRESSURE TRANSMITTER LEAKING. REPLACED VENT LINE, MFG PN 65B90115-169. ENGINE OPERATION AND LEAK CHECK WAS NORMAL. ENGINE TOTAL TIME 65,051 HOURS AND 13,4Aug 1, 1995 · N93108 · Boeing 747131SDR SCNA95159Oil Press Switch · leakingWHILE EN ROUTE THE NR 3 ENGINE OIL QUANTITY BEGAN TO DECREASE. THE ENGINE WAS SHUTDOWN, AND ALL INDICATIONS WERE NORMAL. A LEAK WAS FOUND AT THE LOW OIL PRESSURE SWITCH AND THE UNION BELOW THE SWITCH. THE SWITCH AND PACKINGS AT THE UNION WERE REPLACED, AND Jul 30, 1995 · N286SC · Boeing 7272A1SDR ABXA9500639Press Switch · leakingEIGHTY MINUTES AFTER LEVEL OFF, NR 1 ENGINE OIL PRESSURE LIGHT CAME ON INTERMITTENTLY, OIL PRESSURE 44 PSI AND OIL TEMPERATURE 100 DEGREES CELSIUS. NOTED NR 1 OIL QTY DECREASING AT RATE OF 1.1 GPH. REDUCED POWER TO IDLE, CONSUMPTION DROPPED TO .6 GPH AT IDLEJul 28, 1995 · N803AX · Doug DC862SDR C2XA95CL105Oil Press Reg · out of adjustFLT NR 3357 - CLE - CRUISE FLIGHT LEFT ENGINE OIL PRESSURE ROSE TO 68/69 PSID, AS PER QRH REDUCED POWER TO 40 PERCENT, OIL PRESSURE REMAINED AT 66/68 PSID FOR REMAINDER OF FLIGHT. MAINTENANCE REMOVED TWO WASHERS FROM OIL PRESSURE REGULATOR IAW PWA 72-01-50 ANJul 27, 1995 · N31711 · Emb EMB120RT
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