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 UALA2012092105351Pressure Switch · faultyHIGH SPEED ABORT (110 KNOTS) FOR LEFT ENG OIL PRESS LIGHT. REPLACED NR 1 ENGINE LOW OIL PRESSURE SWITCH IAW AMM. OPS AND LEAK CHECK OK.Sep 20, 2012 · N527UA · Boeing 757222SDR CA120919004Oil System · low pressure(CAN) RT ENGINE IN FLIGHT, SHUTDOWN IN CRUISE DUE TO EICAS LOW OIL PRESSURE MESSAGE.Sep 12, 2012 · Cndair CL6002B19SDR UALA2012091305168Pressure Switch · faultyLEFT OIL FILTER EICAS ON LANDING. REPLACED FILTER, CHECKED CHIP DETECTORS, RAN ENGINE, REF MM. REPLACED DIFF PRESS SWITCH. LT ENG ESN 724378 HAD OIL FILTER EICAS MSG AND CHIP DETECTORS WERE INSPECTED AND OIL FILTER REPLACED. REPLACED DIFFERENTIAL SWITCH PRSep 11, 2012 · N667UA · Boeing 767322SDR UALA2012090605033Pressure Switch · faultyNR 2 ENGINE OIL FILTER MESSAGE DISPLAYED. MESSAGE REMAINED WHEN THRUST REDUCED. ENGINE NOT SHUTDOWN. CREW COMMENTS: MSG IS DISPLAYED ON UPPER EICAS. COMPLIED WITH MEL CARD 7935B. FLIGHT CREW OPERATED ENGINE FOR LEAK CHECK OF OIL FILTER INSTALLATION. REFESep 5, 2012 · N668UA · Boeing 767322SDR REXA2012081901279Oil System · low pressureON FLIGHT 3952, THE CREW PERFORMED A RIGHT ENGINE SHUTDOWN DUE TO LOW ENGINE OIL PRESSURE (5PSI) AFTER TAKEOFF FROM FNT. CREW DECLARED AN EMERGENCY AND THE AIRCRAFT LANDED SAFELY. REMOVED AND REPLACED RIGHT ENGINE IAW AMM 71-00-00 AND CHECKLIST PROVIDED. ALAug 19, 2012 · N8560F · Cndair CL6002B19SDR CA120827003Oil System · fluctuates(CAN) DURING REVENUE FLIGHT, THE OIL PRESSURE STARTED FLUCTUATING, PILOT ELECTED TO SHUT THE ENGINE DOWN AND RETURN TO DEPARTURE, UNEVENTFUL LANDING PERFORMED ON 1 ENGINE. TROUBLESHOOTING ONGOING.Aug 16, 2012SDR CA120813002Oil System · low pressure(CAN) DURING REVENUE FLIGHT, ON INITIAL CLIMB, 1 ENGINE OIL PRESSURE DROPPED TO ZERO FOLLOWED BY OIL SMELL IN CABIN. CREW SHUTDOWN AND SECURED THE ENGINE. ACFT RETURNED TO POINT OF ORIGIN WHERE AN UNEVENTFUL LANDING WAS PERFORMED. POST FLIGHT INSPECTION REVAug 1, 2012SDR UALA2012081304400Transmitter · failedLT ENG OIL PRESSURE READS ALMOST FULL SCALE 298PSI ON TAKEOFF, NOTICED MOMENTARY FLUCTUATION. REMOVED AND REPLACED OIL PRESSURE TRANSMITER, PER MM 79-33-15-000-010-A 13,79-33-15-400-0 10-A 13.Aug 1, 2012 · N463UA · Airbus A320232SDR CA120802009Oil System · low pressure(CAN) DURING REVENUE FLIGHT, RT AFTER TAKEOFF, THE CREW EXPERIENCED A LOW OIL PRESSURE WITH SMOKE IN COCKPIT AND CABIN. THE CREW DECLARED AN EMERGENCY AND FLEW TO WHERE AN EMERGENCY LANDING WAS PERFORMED WITHOUT SHUTTING DOWN THE ENGINE.Jul 25, 2012SDR CA120726004Oil System · high pressure(CAN) JULY 23, 2012, DUE TO A RECENTLY INSTALLED NR 2 ENGINE EXPERIENCING HIGHER THAN NORMAL ENGINE OIL PRESSURES, IT WAS DECIDED THAT A SCHEDULE MAINTENANCE VISIT WOULD TAKE PLACE TO INVESTIGATE THE ISSUE FURTHER. THE FOLLOW REQUEST WAS MADE BY THE RELIABILIJul 23, 2012 · Boeing 73776NSDR CA120723003Oil System · low pressure(CAN) DURING RETURN FROM AIRSHOW, ABOUT 2 HOURS INTO THE FLIGHT, PILOTS OBSERVED A LOUD GRINDING NOISE FROM ONE OF THE ENGINES. THIS WAS QUICKLY FOLLOWED BY A CHIP INDICATION AND THE OIL PRESSURE DROPPED TO ZERO. THE ENGINE WAS SHUTDOWN AND THE ACFT LANDED. Jul 14, 2012 · Bell 429SDR CA120723009Oil System · low pressure(CAN) THE ENGINE NR 1 EXPERIENCED A LOW OIL PRESSURE WARNING ON TAXIING TO STAND WHEN THE CONDITION LEVERS WERE MOVED FROM MIN RPM TO FEATHER IN PREPARATION FOR SINGLE ENGINE TAXI. THIS ACFT AND ENGINE EXPERIENCE SIMILAR EVENT ON NOVEMBER 22. OIL PRESSURE CHJul 13, 2012 · Aerosp ATR72212ASDR CA120723001Oil System · malfunctioned(CAN) THE PILOT REPORTED THAT THE OIL PRESSURE HAS DECREASED STEADILY FOR THE PAST 4 FLIGHTS, ENDING VERY CLOSE TO THE YELLOW BAND IN CRUISE ON THE LAST FLIGHT. THE TORQUE ALSO WENT DOWN ON THE LAST FLIGHT, THE PILOT COULD ACTUALLY FEEL IT. AFTER LANDING, THJul 10, 2012 · Socata TBM700SDR CA120717002Oil System · low pressure(CAN) PILOT REPORTED LOSS OF ENGINE MAIN OIL PRESSURE IN CRUISE FROM PORT MORESBY TO MT HAGEN. LOSS OF OIL PRESSURE WAS MATCHED WITH LOW OIL PRESSURE LIGHT. ENGINE SHUTDOWN AND SECURED. UNEVENTFUL SINGLE ENGINE LANDING PERFORMED. TROUBLESHOOTING ONGOING.Jul 10, 2012 · Piper PA31SDR UALA2012062903429Transmitter · failedENGINE OIL PRESSURE READS 9 PSI STATIC ENG :REF: MIT 79-32-00-500A. OIL TRANSMITTER REPLACED 25 HRS. REPLACED NR 2 ENGINE OIL PRESSURE TRANSMITTER, LEAK CHECKED GOOD.Jun 22, 2012 · N520UA · Boeing 757222SDR CA120704006Transducer · failed(CAN) NR 2 ENGINE OIL PRESSURE INTERMITTENTLY HIGH 72-106, PSI DURING CLIMB. INTERROGATED CDS. FOUND FAULT CODE 944 ON NR 2 ENGINE CHANNEL A AND B IAW FIM TASK 79-20-00-810-886, PARA 4A. CLEARED FAULT CODE AND GROUND RAN ACFT IAW AMM TASK 71-00-00-768-805. Jun 11, 2012 · Bombdr DHC8400SDR CA120612007Pressure Switch · failed(CAN) AFTER START, THE MGB LOW PRESSURE LIGHT STAYS ON AT IDLE. EVEN WHEN THE NR IS INCREASED, THE LIGHT STAYS ON. THE ENGINE IS SHUTDOWN. THE LIGHT CIRCUIT IS TESTED OK. MGB PRESUURE SWITCH REPLACED, START C/O, NO MORE DEFECT.Jun 11, 2012 · Snias AS350B2SDR CA120608005Transmitter · malfunctioned(CAN) OIL PRESSURE WENT TO "0" PSI DURING CLIMB, AFTER TAKEOFF. RUN UP WAS NORMAL. UPON NOTICING NO OIL PREESURE ACFT RETURNED TO AIRPORT FOR NORMAL LANDING. NEW OIL PRESSURE TRANSMITTER RECTIFIED PROBLEM.Jun 1, 2012 · Tecnam P2006TSDR CA120524006Oil System · low pressure(CAN) DURING CLIMB OIL PRESSURE DROPPED TO APPROXIMATELY 20 PSID AND THE MAIN OIL PRESSURE (MOP) LIGHT ILLUMINATED. THE CREW REDUCED POWER AND OIL PRESSURE DID NOT CHANGE. CREW ELECTED TO PERFORM AN IFSD AND CONTINUE TO DESTINATION WERE A UNEVENTFUL SINGLE ENGMay 14, 2012 · Cessna 560CESSNASDR NSVA20120505534Pressure Switch · faultyRT ENGINE OIL PRESSURE LIGHT ILLUMINATED. MX CHANGED OUT THE PRESSURE SWITCH, OPS CHECK GOOD.May 5, 2012 · N362PX · Saab 340BSDR 3MI2012F00000Pressure Switch · failedOIL PRESSURE SWITCH QUIT WORKING.Mar 24, 2012 · N203BK · Beech C90SDR 2012FA0000176Transducer · failedRT ENGINE OIL PRESSURE TRANDUCER QUIT WORKING DURING CLIMB OUT.Mar 24, 2012 · N203BK · Beech C90SDR YENA20120323461Transducer · failedFLT 1221 BOS-RDU, ON TAKEOFF ENGINE INDICATIONS WERE ALL IN LINE. SHORTLY AFTER ROTATION ENG 2 OIL PRESS DROPPED QUICKLY TO 3.2 AND FLASHED ADV. CREW DECLARED AN EMERGENCY AND RETURNED TO BOS. THE OIL PRESS EVENTUALLY ROSE TO 8.0 AND NO OTHER NUMBERS WERE OMar 23, 2012 · N595JB · Airbus A320232SDR CA120329004Oil System · low pressure(CAN) DURING FLIGHT, NR 1 ENGINE WAS SHUTDOWN AND THE FLIGHT DIVERTED WHERE IT LANDED SAFELY SINGLE ENGINE. POST FLIGHT INSPECTION FOUND A NR OF FAULT CODES ON THE CDS SYS INCLUDING FADEC FAIL AND LOW OIL PRESSURE. FURTHER INSPECTION REVEALED THE TURBOMACHINMar 19, 2012 · Bombdr DHC8400SDR CA120411008Oil System · low pressure(CAN) THE ENGINE HAD AN IN-FLIGHT SHUTDOWN DUE TO 0 PSI INDICATED ON THE ED FOR NR 2 ENGINE OIL PRESSURE. THE OIL PRESSURE TRANSDUCER WAS REPLACED BY MAINTENANCE. ON MARCH 12TH THE IT WAS REPORTED TO MOC FROM A FLIGHT CREW. ERRONEOUS INDICATION ERRORS HAVE BMar 11, 2012 · Bombdr DHC8400SDR CA120312023Transducer · fluctuates(CAN) DURING CLIMB FLIGHT CREW NOTICE THAT ENGINE NR 2 OIL PRESSURE WAS FLUCTUATING, FOR A MOMENT WENT TO RED AND THEN TO NORMAL READING. AT ABOUT 15,000 FT START TO FLUCTUATE AGAIN AND THEN IT WENT TO "0" PSI. FLIGHT CREW DID FOLLOW AFM AND PROCEED TO SHUTDMar 11, 2012 · Bombdr DHC8400SDR V2JA2012010600006Oil System · fluctuatesDURING CRUISE, RT ENGINE OIL PRESSURE BEGAIN FLUCTUATING, CREW CONTINUED TO MONITOR GUAGE AND APPROX 30 MINS LATER, OIL PRESSURE BEGAN TO DROP AND RT OIL PRESSURE WARNING LIGHT ILLUMINATED, CREW FOLLOWED CHECKLIST AND SECURED NR 2 ENGINE, DECLARED AN EMERGENCMar 9, 2012 · N146SL · Piagio P180SDR CA120319001Indicator · malfunctioned(CAN) DURING FLIGHT, THE NR 1 ENGINE OIL PRESSURE WENT INTO THE YELLOW. IT THEN WENT BELOW 20 PSI, MASTER WARNING AND LOW OIL PRESSURE ANNUNCIATOR ILLUMINATED. THE ENGINE WAS SHUTDOWN IAW CHECKLIST. ACFT DIVERTED TO NORFOLK WHERE AN UNEVENTFUL SINGLE ENGINEMar 8, 2012 · Cessna 560XLSDR REXA2012030400338Warning System · activatedFLT 3759 FSD-DTW ABORTED TAKEOFF AT LESS THAN 50 KTS DUE TO HIGH LT ENGINE OIL PRESSURE CAUTION. THE CREW ONLY HAD THE ENGINE RUNNING FOR FOUR MINUTES BEFORE ATTEMPTING THE TAKEOFF. THE CREW IS GOING TO LET THE ENGINE RUN FOR LONGER TO WARM UP AND THE ATTEMPMar 4, 2012 · N8646A · Cndair CL6002B19SDR UALA2012021300850Transmitter · faultyENG EEC C1 L LEFT ENGINE CONTROL IS IN A TIME LIMITED DISPATCH CONDITION. ENGINE CONTROL SYSTEM IS OPERATING WITH REDUCED REDUNDANCY. STATUS MSG01- NOT ACTIVE CLIMB INTERMITTENT; OIL PRESSURE TRANSMITTER (L ENG, CH B) PRESSURE IS OUT OF RANGE. DB-ELECTRONIFeb 10, 2012 · N788UA · Boeing 777222SDR CA120202010Transducer · malfunctioned(CAN) DURING COMPLETION OF THE CRUISE CHECK AT APPROX 22,000 ENROUTE TO DESTINATION, IT WAS NOTICED BY THE FLIGHT CREW THAT ENGINE NR 2 HAD LOW OIL PRESSURE INDICATION ON ED. QRH LOW OIL PRESSURE 44-60 WAS CONDUCTED AND OIL PRESSURE SLIGHTLY INCREASED TO ABOUJan 31, 2012 · Bombdr DHC8400SDR AALA20120123ATL01Transmitter · inoperativeATL INFLIGHT MIA-ORD. CREW REPORTED HIGH OIL PRESSURE ON LEFT ENGINE. EMERGENCY DECLARED FLIGHT DIVERTED ATL LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED LEFT ENGINE OIL PRESSURE TRANSMITTER. SYSTEM GROUND CHECK NORMAL OPEJan 23, 2012 · N7375A · Boeing 767323SDR CA120220007Oil System · reads high(CAN) ENGINE OIL PRESSURE ABNORMALLY HIGH. ENGINE REPLACED.Jan 12, 2012 · Skrsky S92ASDR AALA20120108TUL04Pressure Switch · leakingELP - INFLIGHT SJD-DFW. CREW REPORTED RIGHT ENGINE OIL QUANTITY LOSS. PRECAUTIONARY RIGHT ENGINE SHUTDOWN (SINGLE ENGINE TIME 25 MINS). EMERGENCY DECLARED FLIGHT DIVERTED ELP LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED DIFFERENTIAL PRJan 8, 2012 · N598AA · Doug DC983SDR CA120109008Indicator · malfunctioned(CAN) AT ENGINE START UP, THE CREW NOTED THAT THE OIL PRESSURE INDICATOR MOVEMENT WAS `STICKY`. WHEN THE AIRCRAFT RETURNED TO MAINTENANCE THE FAULT WAS VERIFIED AND THE INSTRUMENT WAS REPLACED WITH AN OVERHAULED UNIT.Jan 5, 2012 · Cessna 208BSDR MASA2011122964316Transmitter · failedLEFT ENG OIL PRESS ZERO IN FLIGHT. R2 LEFT ENGINE OIL TRANSMITTER / OPS GOOD.Dec 29, 2011 · N512MJ · Cndair CL6002C10SDR NSVA2011338Warning System · activatedAT 4000FT LT ENGINE OIL PRESSURE LIGHT ILLUMINATED. LT PRESSURE GAUGE SHOWED 20-25 PSI. CREW RAN QRH AND SHUT DOWN LEFT ENGINE. AIRCRAFT LANDED SAFELY IN CLL. MX NOTIFIED.Dec 21, 2011 · N210CJ · Saab 340BSDR CA111222004Oil System · low pressure(CAN) THE REPORTED DEFECT WAS LOSS OF OIL PRESSURE ON BOTH THE OIL PRESSURE GAUGE AND THE WARNING INDICATOR. TROUBLESHOOTING HAS FOUND THAT THE REAR SEAL OF THE ENGINE IS FAULTY CAUSING THE ENGINE TO LOOSE ITS OIL SUPPLY THEREFORE LOSS OF OIL PRESSURE. THE EDec 20, 2011 · Frchld SA227DCSDR JJBA2011121510001Transmitter · failedFLIGHT CREW REPORTED THAT DURING CRUISE THE NR 1 ENGINE OIL PRESSURE WAS FROM 45-50 PSI, FEATHERED ENGINE AND PRESSURE ON GAUGE INDICATED 100 PSI. MX CREW R & R TRANSMITTER PERFORMED GROUND RUNS AND PERFORMED, OPS CHECKS SATISFACTORY.Dec 15, 2011 · N375PH · Dhav DHC8202SDR UALA2011121206808Oil System · low pressureENGINE PARAMETERS DURING FLIGHT IDLE: OIL QTY=0, TEMP=ROSE TO 183 DEG MAX, OIL PRESSURE=151PSI. AFTER IFSD WINDMILLING: QTY RECOVERED TO 21 QTS, PRESSURE MIN=3PSI. NR 2 IFSD, FLIGHT DIVERTED. REPLACED LUBE & SCAV PUMP PER MM. ENGINE RUN PERFORMED PER JRH 2-5-Dec 12, 2011 · N541UA · Boeing 757222SDR REXA201100954Warning System · false activationLT ENG OIL PRESSURE MASTER WARNING. PERFORMED OP/C OF LT ENG OIL PRESSURE IAW AMM 79-31-05-210-002. OP/C GOOD. NO DEFECTS NOTED.Dec 9, 2011 · N8577D · Cndair CL6002B19SDR FDEA201112085220Oil System · low pressureYELLOW OIL PRESSURE LIGHT ILLUMINATED DURING TAKE OFF ROLL AT 110 KTS. ABORTED TAKE OFF, COMPLIED WITH QRH. RAN ENGINES AT POWER, OIL PRESSURE STAYED AT 52 PSI IN THE NORMAL RANGE IAW JRH. SUSPECTED COLD ENGINE OIL ON COLD SOAKED ENGINE THAT LAYED OVERNIGDec 8, 2011 · N455FE · Airbus A310222SDR UALA2011120506670O-Ring · leakingFOUND OIL QUANTITY TRANSMITTER LEAKING. REPLACED O-RING ON OIL QUANTITY TRANSMITTER IAW MM. OPS AND LEAK CHECKED NORMAL.Dec 4, 2011 · N667UA · Boeing 767322SDR FDEA201112035135Pressure Switch · failedREJECTED TAKE OFF AT 85KTS DUE TO ECAM WARNING WARNING, LOW OIL PRESSURE ENGINE NR 2. WARNING WENT AWAY WHEN THROTTLES RETARDED. CHECKED ALL ENGINE PARAMENTERS PRIOR TO 2ND TAKE OFF. ALL NORMAL, 2ND TAKE OFF NORMAL. R & R NR 2 ENGINE OIL PRESSURE TRAMSMIDec 3, 2011 · N456FE · Airbus A310222SDR FDEA201111305082Signal Cond Unit · failedDURING T/O AT TYS AT 90 KNOTS - ECAM AND ENG 1 LIGHT - OIL HI PRESS - ILLUMINATED. CREW REJECTED T/O - LIGHT WENT OUT IMMEDIATLY. COMPLETED RTO CK LIST & QRH FOR OIL HI PRESS (NR 1 ENG) - ALL INDICATIONS WERE NORMAL. ALLOWED BRAKES TO COOL - THEN RAN UP ENov 30, 2011 · N454FE · Airbus A310222SDR NSVA2011294Warning System · activatedFLIGHT 4975 LCH IAH AC 193CJ ABORTED TAKEOFF AND RETURNED TO GATE FOR LEFT ENGINE OIL PRESSURE LIGHT. HI SPEED ABORTED TAKEOFF AT 90 KNOTS.Nov 11, 2011 · N193CJ · Saab 340BSDR UALA2011110906115Pressure Switch · faultyENG OIL FILT SNSR L THE PRESSURE SWITCH FOR DETECTING IMPENDING OIL FILTER BYPASS ON THE LEFT ENGINE HAS FAILED. STATUS MSG01- ACTIVE CRUISE MODE DEPENDENT; SWITCH POSITION SIGNAL FROM OIL FILTER DIFFRNTL PRESS SW (L ENG) CHANNEL A AND B DO NOT AGREE. DB- ENov 7, 2011 · N215UA · Boeing 777222SDR UALA2011110706066Transmitter · faultyAT CRUISE, LEFT OIL PRESS FLUCTUATED FROM 190-400,THEN STAYING FROM 350-400. ALL ELSE NORMAL. REPLACED NR 1 ENG OIL PRESSURE TRANSMITTER PER MM. ACP'D ENG RUNS AND OIL PRESSURE INDICATIONS NORMAL. NO LEAKS NOTED.Nov 5, 2011 · N663UA · Boeing 767322SDR FDEA201110194576Transmitter · inoperativeDURING T/O ROLL THE HIGH OIL PRESSURE (NR 1) ENG, CAME ON AT 80 KTS. R & R THE NR 1 ENG OIL PRESS TRANSMITER IAW MM 79-33-11-04, RAN ENG IAW JRH, CHECKS GOOD. ACFT OK TO CONTINUE.Oct 19, 2011 · N455FE · Airbus A310222SDR CA111018005Sensor · inoperative(CAN) IN-FLIGHT RETURN DUE TO LOW OIL PRESSURE. NO MASTER WARNING ASSOCIATED - PSI FLUCTUATED FROM 2PSI TO 68PSI. OIL TEMP REMAINED STEADY AT 71DEG. MX REPLACED NR 2 ENGINE OIL PRESSURE SENSOR AND CONNECTOR CLEANED AND ACFT PUT BACK TO SERVICE.Oct 17, 2011 · Bombdr DHC8400
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