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 CALA2026101920471Transmitter · faultedOIL PRESSURE INDICATING SYSTEM OIL PRESSURE (01=L ENG, 02=R ENG) READS PSI WITH ENGINE SHUT DOWN ENG 2 OIL HIGH PRESSURE IN CRUISE. OIL PRESSURE DIFFERENCE OF 20 PSI BETWEEN ENG 1 AN ENG 2 IN CRUISE AND DROPPED TO A 10-PSI DIFFERENCE DURING DESCENT.RMK PICTUREOct 16, 2026 · N14115 · Boeing 757224SDR SWAA2026101985298Oil System · low pressureOIL QUANTITY ZERO. OIL PRESSURE DROP TO RED BOX SHUT DOWN ENG 2. EMER DECLARED, TRUCKS ROLLED. PASSENGERS WERE FINE. R & R #2 ENGINE REF. MT 771-00-01.Oct 13, 2026 · N8517F · Boeing 7378H4SDR N6WA2026101503Pressure Switch · faultedRIGHT ENG OIL WARNING 26 K FT WITH PARAMETERS BOUNCING OIL QTY 87-79%, 61 TO 64 PSI AND TEMP 101 TO 104C. DEFERRED RT LOW OIL PRESSURE SWITCH IAW MEL 79-30-01A CAT A ON OCN 70105028.Oct 13, 2026 · N526GJ · Cndair CL6002C11SDR N6WA2026101502Pressure Switch · faultedR ENG OIL PRESSURE WARNING MESSAGE IN FLIGHT (B1-007482 R OIL LO PRES SW / LO PRESS & ENG RUNNING). REMOVED AND R ENG OIL PRESSURE SWITCH IAW AMM 79-31-03/ 71-00-00, OPS CHKD GOOD, LEAK CHKD GOOD, ALL INDICATIONS NORMAL.Oct 9, 2026 · N566GJ · Cndair CL6002C11SDR QMLA2026061320038Oil System · low pressureUPON INITIATION OF VISUAL APPROACH, THE CREW ALERTING SYSTEM DISPLAYED AN ENGINE OIL PSI WARNING. ADJUSTED OIL PRESSURE, OPS CHECKED GOOD. ALL MAINTENANCE COMPLETED. AIRCRAFT RELEASED TO REVENUE SERVICE. #59613Jun 11, 2026 · N159AM · Bell 407SDR AALA202605133614Pump · low pressureAIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED AND THE ACFT RETURNED TO LAX DUE TO THE FLT CREW REPORTING THAT AT FL370 ABOUT 40 MINUTES INTO FLT A NR 2 ENGINE LOW OIL PRESSURE CAUTION MESSAGE DISPLAYED ON ECAM, THE OIL PRESSURE CONTINUED TO DROP ALL THEMay 12, 2026 · N115NN · Airbus A321231SDR QREA202607070001Pressure Switch · stuckRIGHT ENGINE OIL PRESSURE LOW WARNING- OIL PRESSURE SWITCH STUCK IN THE OIL PRESSURE ZERO POSITIONMay 1, 2026 · N971TB · Cessna 525BSDR OEJ202604300001Oil System · low pressureAFTER 45 MINUTES OF FLIGHT THE CREW NOTINED THE RIGHT ENGINE OIL PRESSURE WAS ERRATIC AND FLUXUATING , THEN AN ENGINE LOW PRESSURE RED CASS WARNING APPEARED. CREW RAN THE QRH AND DEVERTED AIRCRAFT TO FIRST AVAVLIBLE AIRPORT AND LANDED WITH NO OTHER ISSUES.Apr 28, 2026 · N618PJ · Lear 45LEARSDR A6WA202604138885Oil System · low pressureRECEIVED RIGHT ENGINE OIL PRESSURE WARNING AT 1000 FEET ON FINAL FULLY CONFIGURED OIL PRESSURE WAS APPROX. 30-35PSI AT 83% N2 PULLED RH ENGINE TO IDLE OIL PRESSURE REMAINED 30-35PSI, NO EXCEEDANCE IN MDC. AIRCRAFT REMOVED FROM SERVICE. REF W/O 347513 FOR R&R Apr 13, 2026 · N442AW · Cndair CL6002B19SDR QR9R2026040900001Transmitter · failed#2 ENGINE OIL PRESSURE DURING START RUN-UP. DURING TEST FLIGHT EVAL FOR NO #2 ENGINE OIL PRESSURE, FOUND DURING VENTING OF #2 ENGINE, OIL PRESSURE REMAINED AT 0.0 BAR. DURING VENTING OF #1 ENGINE OIL PRESSURE WOULD RISE TO 0.5 BAR. REPLACED # 2 ENG OIL PSI TRAApr 9, 2026 · Bolkms BK117C2SDR ABXA20260404148Warning Message · illuminatedDURING TAXI OUT, LEFT ENGINE OIL PRESS ILLUMINATED. A/C RETURNED TO GATE. (BTB) MAINTENANCE DEFERRED IAW ABX-79-33-1-1. A/C RETURNED TO SERVICE.Apr 4, 2026 · N312AA · Boeing 767223SDR 2026FA0000348Pressure Sensor · malfunctionedPILOT REPORTED HIGH OIL PRESSURE, SECURED THE ENGINE IN FLIGHT AND PREFORMED A PRECAUTIONARY LANDING.Apr 2, 2026 · N281HC · Agusta AW109SPSDR DALA2026040302148Oil System · low pressureAIRCRAFT DIVERTED TO ANF (ANTOFAGASTA, CHILE) AFTER THE FLIGHT CREW PERFORMED A RIGHT ENGINE SHUTDOWN DUE TO LOW OIL PRESSURE. OPENMar 31, 2026 · N513DZ · Airbus A350941SDR UIEA2026032800112Indication Sys · faultedENGINE NR 3 OIL PRESSURE WENT TO ZERO. EICAS ENG 3 OIL PRESS, RAN QRH CHKLIST WHICH READ ENGINE SHUTDOWN. TEMP WAS 95 & QTY WAS 16. R & R ENG 3 & ENG RUN OK IAW AMM 71-00-00. C/W WO 158637 REV 0 & W/C L-71-099-02-01. OPS TEST PASS. NO DEFECTS NOTED.Mar 28, 2026 · N747BC · Boeing 7474J6SDR AALA202603137358Interface Unit · faultyAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO DFW DUE TO THE FLIGHT CREW REPORTING THAT DURING CLIMB OUT AN ECAM MESSAGE FOR ENGINE 1 LOW OIL PRESSURE DISPLAYED. THE FLIGHT CREW REPORTED THAT THE OIL PRESSURE INDICATION INITIALLMar 12, 2026 · N995AN · Airbus A321231SDR CALA2026022314020Packing · damagedRIGHT ENGINE OIL TEMP FLASHING AMBER ON CLMB AT 155-160 DEG. FL270. OIL PRESSURE 170 COMPR INSPECTED MASTER CHIP DETECTOR REF AMM 79-00-00-200-013-A AND FOUND TO BE CLEAN. WILL NEED NEW ORING INSTALLED FOR MM INSTALLATUON. REPLACED O-RINGS ON MASTER CHIP DFeb 19, 2026 · N464UA · Airbus A320232SDR YENA2026020600155Sensor · failedFLT 424, LAX- JFK (ETOPS). DURING ENGINE NR 1 RUN OIL PRESSURE WENT AMBER XX, REMOVED AND REPLACED ENGINE NR1 MOP SENSOR W/REF TO AMM 79-33-31, (4071KS) OPS AND LEAK CHECK GOOD. ALL INDICATIONS IN NORMAL CONFIG. ENG SN: P772356, ENG TT: 5907, ENG TC: 910.Feb 5, 2026 · N4076J · Airbus A321271NXSDR SIMA20260126001Oil System · low pressureNR 1 ENGINE LOW PRESSURE DURING DESCENT, QUICKLY LOSING OIL PRESSURE. MANUAL SHUTDOWN IAW QRH. PRECAUTIONARY ENG 1 SHUT DOWN. DIVERTED TO LBB DUE TO BETTER FICON. EMERGENCY DECLARED. LANDED SAFLEY. MTX INSPECTING. PERFORMED GVI OF E1. FOUND NO ACTIVE LEAKS. RJan 26, 2026 · N208AN · Emb ERJ170200LRSDR 2026F00006Engine · malfunctionedON 1/24/2026 N662AR, CYO662 WAS DEPARTING KSUA HEADING TO KNAS. DURING CLIMB, THE CAPTAIN NOTICED THE LH ENGINE OIL PRESSURE WAS FLUCTUATING. THE SCHEDULED FLIGHT WAS OVER WATER SO THE CAPTAIN ELECTED TO RETURN TO KSUA. LOCAL MAINTENANCE WAS CALLED TO INVESTIGJan 24, 2026 · N662AR · Lear 60LEARSDR ABXA20260124027Pressure Switch · malfunctionedAFTER STARTING ENGINES DURING TAXI R OIL FILTER MSG CAME UP A/C RETURNED TO THE GATE AND MTX GROUNDED A/C . MTX REPLACED R ENG SCAVENGE FILTER ELEMENT AND DIFFERENTIAL PRESSURE SWITCH IAW AMM 79-21-04 + 79-35-01 LEAK + OPS CHECK GOOD ACFT REMAINS ETOPS 180. RJan 24, 2026 · N363CM · Boeing 767338SDR 141A2026011200001Transducer · failedTHIS IS REPO FLIGHT FROM HNL TO OGG. ABOUT 5 MINUTE AFTER TAKEOFF FROM HNL, OIL PRESSURE INDICATION DROP DOWN YELLOW AND CONTINUE DOWN. I DECIDED TO TURN BACK TO HNL. DURING DECENT TO THE AIRPORT OIL PRESSURE COMPLETELY DOWN TO RED. ALL THE WAY OIL TEMP INDICAJan 10, 2026 · N592SA · Cessna 208BSDR DXTA2026010606416Control Valve · faultedSIX HOURS INTO THE FLIGHT R ENG OIL FILTER CAS MESSAGE DISPLAYED FOLLOWED R ENG OIL LOW PRESS CAS MESSAGE. OIL PRESSURE WAS 40 PSI LESS THAN THE LEFT ENGINE. FAULT CODES: 7321218ENGRA AND 7321218ENGRB. AFT TRIM AIR VALVE REPLACEMENT PERFORMED IAW AMP BD700-A-Jan 3, 2026 · N182QS · Bombdr BD7001A12SDR DALA2025122909481Oil System · low pressureATB/IFSD/DE - AIRCRAFT RETURNED TO DTW DUE TO RIGHT ENGINE IFSD DUE TO ZERO OIL PRESSURE AND OIL QUANTITY. RIGHT ENGINE OPERATED ABOVE IDLE POWER WITH ZERO OIL PRESSURE AND OIL QUANTITY, REMOVED AND REPLACED ENGINE.Dec 25, 2025 · N585NW · Boeing 757351SDR SWIA2025121800017Warning Message · illuminatedRIGHT ENGINE OIL PRESSURE WARNING MESSAGE IN FLIGHT. LEAD TO LOSS OF ENGINE INFLIGHT HAD TO RETURN TO TUS SINGLE ENGINE LANDING. (FLIGHT 6088) OPEN.Dec 17, 2025 · N797SK · Cndair CL6002C10SDR ABXA20251215343Pressure Switch · defectiveON TAXI OUT, LT ENGINE OIL FILTER STATUS MESSAGE ILLUMINATED. AIRCRAFT RETURNED TO BLOCKS (BTB). MAINTENANCE REMOVED AND REPLACED NR 1 ENGINE DIFFERENTIAL PRESS OIL SWITCH IAW AMM 79-35-01. OPS AND LEAK CHECKED GOOD. ACCOMPLISHED IDLE RUN OF NR 1 ENGINE IDec 15, 2025 · N650GT · Boeing 767231SDR HNAA2025121500857Oil System · high pressureNUMBER 1 ENGINE OIL PRESS REMAINS ABOVE 119 TO 120 PSI UNTIL POWER IS REDUDCED. R & R NR 1 ENGINE IAW WORKCARD. 71-00-00.Dec 13, 2025 · N637AE · Emb EMB145LRSDR DALA2025120308836Oil System · low pressureDIV/IFSD- DIVERTED TO LAX DUE TO RIGHT ENGINE OIL PRESSURE LOSS. ENGINE OPERATED AT ZERO OIL PRESSURE. REPLACED NUMBER 2 ENGINE, OPS CHECK NORMAL.(8171678)Nov 25, 2025 · N190DN · Boeing 767332SDR I5PA2025111688801Oil System · low pressureMGE305 (N888LT) DECLARED AN EMERGENCY DUE TO LOSS OF OIL QUANTITY AND PRESSURE ON THE LEFT ENGINE JUST PRIOR TO TOP OF DESCENT. ACFT LANDED SAFELY WITHOUT FURTHER INCIDENT. ACFT CURRENTLY AOG. OPENNov 16, 2025 · N888LT · Boeing 757230SDR DALA2025101607562Oil System · low pressureRETURNED TO SLC DUE TO LEFT ENGINE LOW OIL PRESSURE AND ENGINE WAS SHUT DOWN. ENGINE CHANGE REQUIRED DUE TO ENGINE OPERATED BELOW AMM OIL PRESSURE LIMITS. (LP: 7404148)Oct 15, 2025 · N336NW · Airbus A320212SDR HALA20251001295Sensor · faultedETOPS - ENG2 OIL SENSOR FAULT MESSAGE FLASHED SPORADICALLY DURING CRUISE. REPLACED PHMU PER AMM 77-31-01 ON RH ENGINE. PERFORMED IDLE AND OPS CHECK. OPS CHECK GOOD. OK TO CONTINUE.Sep 30, 2025 · N216HA · Airbus A321271NSDR YENA2025090800916Transmitter · failedFLT#1890, SHU-EWR. (AN EMERGENCY WAS DECLARED) "FL340 IN CRUISE ECAM ENG 1 OIL LO PR AMBER INDICATION. FROM 0 TO 224 FLUCTUATED WITH ALL OTHER INDICATIONS NORMAL; REMOVED AND REPLACED ENG #1 TRANSMITTER, OIL PRESS DIFF IAW AMM 79-34-00. ALL OPS CHK GOOD. FAULTSep 4, 2025 · N636JB · Airbus A320232SDR HALA20250825260Pressure Switch · faultedETOPS - AFTER ENG 1 START ECAM A ICE L(R) WSHLD HEAT A ICE CAPT FO STBY PITOT HEAT. REMOVED & REPLACED LOW OIL PRESSURE SWITCH IAW AMM 79-34-15. NO DEFECTS NOTED. OK FOR SVC.Aug 22, 2025 · N5827K · Airbus A330343SDR AALA202508200259Pressure Switch · failedAIRCRAFT WAS GROUNDED. AN EMERGENCY WAS DECLARED DUE TO: AFTER TAKEOFF THROUGH APPROXIMATELY 3000FT, GOT NUMBER 1 ENGINE OIL FILTER BYPASS. HAD TO REDUCED THRUST TO IDLE BEFORE LIGHT EXTINGUISHED. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT DFW. ACCAug 19, 2025 · N879NN · Boeing 737823SDR MTNA20250813001Warning Light · illuminatedON THE TAKEOFF ROLL, BELOW V1, ENGINE OIL LOW PRESSURE MASTER WARNING ILLUMINATED EXTINGUISHED THEN ILLUMINATED AGAIN TAKEOFF ABORTEDAug 12, 2025 · N910FX · Aerosp ATR42300SDR AALA202508058997Screen · unsecureAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CLIMBING THRU FL220 ENGINE NUMBER 1 OIL INDICATED 3Q, OIL PRESSURE INDICATION WAS ABNORMAL AND FLUCTUATING. SHUT DOWN ENGINE NUMBER 1, OIL QUANTITY THAN DROPPED TO ZERO. AIRCRAFT AIR INTERRUPTED BAug 3, 2025 · N337PJ · Boeing 737823SDR 2025F00171Oil System · low pressureDEPARTED GYH-ADS, AT FL180 PILOT NOTED SPARKS BY THE RT ENGINE AND THEN THE OIL PRESSURE WARNING LIGHT ACTIVATED AND PRESSURE GAUGE SHOWED 0. ENGINE WAS SHUTDOWN, ATC CONTACTED AND PERFORMED AN UNSCHEDULED LANDING AT THE NEAREST AIRPORT.Jul 31, 2025 · N176TW · Beech B90SDR DALA2025071505335Switch · faultedSHIP 0190 RECEIVED RT OIL PRESSURE LIGHT AND EICAS. R & R SWITCH S1584 RT OIL PRESSURE INSPECT CONNECTOR PLUG AND WIRING IAW B767-300 IPC 79-33-01-07. (1081099).Jul 14, 2025 · N190DN · Boeing 767332SDR NACA2025070300002Indicator · inoperativeRH ENGINE OIL PRESS IND BLANK. CLEANED AND RESECURED ELECTRICAL CONNECTOR P4208P IAW WPM 36-11-62 OPS CHECK OK.Jul 3, 2025 · N566NC · Boeing 7673BGSDR CALA2025070706280Transmitter · faultyLEFT OIL PRESS WENT DOWN TO 36 PSI OVER AN HOUR AT FL350 AN HO UR AFTER T /O. RTB FOR POSS S/E CREW REPORTS THAT OIL PRESSURE SLOWLY CREPT DOWN BEFORE DECISION TO RETURN. #1 WAS 10+ PSI LOWER THAN #2 ENGINE, MARCHED DOWN FROM 46 TO 36 PSI. CREW REPORTS THATJul 3, 2025 · N14121 · Boeing 757224SDR AALA202506306224Oil System · low pressureAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: INFLIGHT ENGINE SHUTDOWN DUE TO LOW OIL PRESSURE ON NUMBER 1 ENGINE. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT CHA. (OPEN).Jun 28, 2025 · N938NN · Boeing 737823SDR 2025FA0000384Indication Sys · erraticENGINE OIL PRESSURE INDICATION ERRATIC. ONLY FLUCTUATES IN FLIGHT. STEADY DURING GROUND OPERATIONS.Jun 4, 2025 · N717TH · Cessna 172SSDR YENA2025060200549Sensor · failedFLT#34, CDG-BOS. (ETOPS). 'MAINTENANCE ENG 1 FADEC ON SHUTDOWN; REMOVED AND REPLACED MAIN OIL PRESSURE SENSOR IAW AMM 79-33-21. OPS NORMAL AT THIS TIME.'May 30, 2025 · N4062J · Airbus A321271NXSDR CALA2025051304651Engine · oil consumptionE1 ESN 900511 HAS EXPERIENCED AN INCREASE IN OIL CONSUMPTION. PL EASE ACCOMPLISH A SNIFF CHECK OF THE OIL FOR FUEL SMELL IN THE O IL SYSTEM, REF. AMM 12-13-01-200-003-002. ACCOMPLISH FIM 71-05 T ASK 805 STEPS D.(1) TO D.(3).ALSO PLEASE PERFORM TEST NO. 6 - PA May 11, 2025 · N79011 · Boeing 777224SDR 3EJA202505070001Oil System · low pressureRH ENG LOW OIL PRESSURE INTERMITTENT DURING CLIMB OUT.May 7, 2025 · N393JS · Bombdr BD1001A10SDR AALA202505081851Oil System · low pressureAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: NUMBER 2 ENGINE OIL QUANTITY AND PRESSURE WENT TO AMBER THEN RED. PRESSURE SHOWED 2 PSI WHEN THE ENGINE WAS SHUTDOWN DURING FLIGHT; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. REMOVED ANMay 4, 2025 · N324RA · Boeing 7378SDR CALA2025022802517Pump · failedZERO OIL PRESSURE INDICATED AND LOW OIL PRESSURE LIGHT ON TAKEOF F ROLLCREW DEBRIEF. CREW STATED THE PRESS WENT TO 0 WITH A RED EXCEEDENCE BOX, AND LOW OIL PRESS LIGHT. THE ENGINE WAS SHUT DOWN AND WINDMILLED FOR APPROX 25 MINUTES. THE ENGINE WAS FOUND FULL Feb 28, 2025 · N48127 · Boeing 757224SDR HALA20250226072Pressure Sensor · faultedETOPS - FOUND OIL PRESSURE DIFFERENTIAL SENSOR BAD PER TASKCARD 321-730000-WI-1 W/O 335093 FIN- 4077KS. REMOVED AND REPLACED OIL PRESSURE DIFFERENTIAL SENSOR PER AMM 79-33-23. OPS AND SECURITY CHECK GOD. BITE AND LEAK CHECK GOOD.Feb 25, 2025 · N217HA · Airbus A321271NSDR FXTA20250408003Pressure Switch · looseFOUND LH ENGINE OIL LOW PRESSURE SWITCH LOOSE IN BOSS.Feb 14, 2025 · N409BA · Textrn 408SDR AALA202501279832Oil System · fluctuatesAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AT FL390, N1 AROUND 89%. REVERSE VIDEO INDICATION APPEARED ON L OIL QUANTITY. AFTER ABOUT 5 MIN, THE L OIL PRESSURE BEGAN FLUCTUATING +/- 7PSI. ENGINE NUMBER 1 UPPER DISPLAY BRIEFLY DISPLAYED FLASHING AMJan 26, 2025 · N923NN · Boeing 737823SDR SWIA2025011400011Warning Message · illuminatedL ENG OIL PRESS WARNING MESSAGE CLIMBING OUT. OIL PRESSURE WAS IN RED INDICATION. RAN QRH AND SHUTDOWN ENGINE. MESSAGE PERSISTED (FLIGHT 5135 - FILED OPEN) THIS IS CURRENTLY A WORK IN PROGRESSJan 14, 2025 · N969SW · Cndair CL6002B19
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