# Service difficulty reports: JASC 7931

A list on [JASC 7931](https://openairdocs.org/jasc/7931.md).

Reports filed under 7931 · Engine Oil Pressure, newest first.

Page 1 of 38 · 1,875 reports

- [SDR CALA2026101920471](https://openairdocs.org/sdr/CALA2026101920471.md): Transmitter · faulted · Oct 16, 2026 · N14115 · Boeing 757224
  > OIL 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 PICTURE
- [SDR SWAA2026101985298](https://openairdocs.org/sdr/SWAA2026101985298.md): Oil System · low pressure · Oct 13, 2026 · N8517F · Boeing 7378H4
  > OIL 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.
- [SDR N6WA2026101503](https://openairdocs.org/sdr/N6WA2026101503.md): Pressure Switch · faulted · Oct 13, 2026 · N526GJ · Cndair CL6002C11
  > RIGHT 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.
- [SDR N6WA2026101502](https://openairdocs.org/sdr/N6WA2026101502.md): Pressure Switch · faulted · Oct 9, 2026 · N566GJ · Cndair CL6002C11
  > R 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.
- [SDR QMLA2026061320038](https://openairdocs.org/sdr/QMLA2026061320038.md): Oil System · low pressure · Jun 11, 2026 · N159AM · Bell 407
  > UPON 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. #59613
- [SDR AALA202605133614](https://openairdocs.org/sdr/AALA202605133614.md): Pump · low pressure · May 12, 2026 · N115NN · Airbus A321231
  > AIRCRAFT 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 THE
- [SDR QREA202607070001](https://openairdocs.org/sdr/QREA202607070001.md): Pressure Switch · stuck · May 1, 2026 · N971TB · Cessna 525B
  > RIGHT ENGINE OIL PRESSURE LOW WARNING- OIL PRESSURE SWITCH STUCK IN THE OIL PRESSURE ZERO POSITION
- [SDR OEJ202604300001](https://openairdocs.org/sdr/OEJ202604300001.md): Oil System · low pressure · Apr 28, 2026 · N618PJ · Lear 45LEAR
  > AFTER 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.
- [SDR A6WA202604138885](https://openairdocs.org/sdr/A6WA202604138885.md): Oil System · low pressure · Apr 13, 2026 · N442AW · Cndair CL6002B19
  > RECEIVED 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
- [SDR QR9R2026040900001](https://openairdocs.org/sdr/QR9R2026040900001.md): Transmitter · failed · Apr 9, 2026 · Bolkms BK117C2
  > #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 TRA
- [SDR ABXA20260404148](https://openairdocs.org/sdr/ABXA20260404148.md): Warning Message · illuminated · Apr 4, 2026 · N312AA · Boeing 767223
  > DURING 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.
- [SDR 2026FA0000348](https://openairdocs.org/sdr/2026FA0000348.md): Pressure Sensor · malfunctioned · Apr 2, 2026 · N281HC · Agusta AW109SP
  > PILOT REPORTED HIGH OIL PRESSURE, SECURED THE ENGINE IN FLIGHT AND PREFORMED A PRECAUTIONARY LANDING.
- [SDR DALA2026040302148](https://openairdocs.org/sdr/DALA2026040302148.md): Oil System · low pressure · Mar 31, 2026 · N513DZ · Airbus A350941
  > AIRCRAFT DIVERTED TO ANF (ANTOFAGASTA, CHILE) AFTER THE FLIGHT CREW PERFORMED A RIGHT ENGINE SHUTDOWN DUE TO LOW OIL PRESSURE. OPEN
- [SDR UIEA2026032800112](https://openairdocs.org/sdr/UIEA2026032800112.md): Indication Sys · faulted · Mar 28, 2026 · N747BC · Boeing 7474J6
  > ENGINE 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.
- [SDR AALA202603137358](https://openairdocs.org/sdr/AALA202603137358.md): Interface Unit · faulty · Mar 12, 2026 · N995AN · Airbus A321231
  > AIRCRAFT 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 INITIALL
- [SDR CALA2026022314020](https://openairdocs.org/sdr/CALA2026022314020.md): Packing · damaged · Feb 19, 2026 · N464UA · Airbus A320232
  > RIGHT 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 D
- [SDR YENA2026020600155](https://openairdocs.org/sdr/YENA2026020600155.md): Sensor · failed · Feb 5, 2026 · N4076J · Airbus A321271NX
  > FLT 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.
- [SDR SIMA20260126001](https://openairdocs.org/sdr/SIMA20260126001.md): Oil System · low pressure · Jan 26, 2026 · N208AN · Emb ERJ170200LR
  > NR 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. R
- [SDR 2026F00006](https://openairdocs.org/sdr/2026F00006.md): Engine · malfunctioned · Jan 24, 2026 · N662AR · Lear 60LEAR
  > ON 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 INVESTIG
- [SDR ABXA20260124027](https://openairdocs.org/sdr/ABXA20260124027.md): Pressure Switch · malfunctioned · Jan 24, 2026 · N363CM · Boeing 767338
  > AFTER 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. R
- [SDR 141A2026011200001](https://openairdocs.org/sdr/141A2026011200001.md): Transducer · failed · Jan 10, 2026 · N592SA · Cessna 208B
  > THIS 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 INDICA
- [SDR DXTA2026010606416](https://openairdocs.org/sdr/DXTA2026010606416.md): Control Valve · faulted · Jan 3, 2026 · N182QS · Bombdr BD7001A12
  > SIX 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-
- [SDR DALA2025122909481](https://openairdocs.org/sdr/DALA2025122909481.md): Oil System · low pressure · Dec 25, 2025 · N585NW · Boeing 757351
  > ATB/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.
- [SDR SWIA2025121800017](https://openairdocs.org/sdr/SWIA2025121800017.md): Warning Message · illuminated · Dec 17, 2025 · N797SK · Cndair CL6002C10
  > RIGHT ENGINE OIL PRESSURE WARNING MESSAGE IN FLIGHT. LEAD TO LOSS OF ENGINE INFLIGHT HAD TO RETURN TO TUS SINGLE ENGINE LANDING. (FLIGHT 6088) OPEN.
- [SDR ABXA20251215343](https://openairdocs.org/sdr/ABXA20251215343.md): Pressure Switch · defective · Dec 15, 2025 · N650GT · Boeing 767231
  > ON 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 I
- [SDR HNAA2025121500857](https://openairdocs.org/sdr/HNAA2025121500857.md): Oil System · high pressure · Dec 13, 2025 · N637AE · Emb EMB145LR
  > NUMBER 1 ENGINE OIL PRESS REMAINS ABOVE 119 TO 120 PSI UNTIL POWER IS REDUDCED. R & R NR 1 ENGINE IAW WORKCARD. 71-00-00.
- [SDR DALA2025120308836](https://openairdocs.org/sdr/DALA2025120308836.md): Oil System · low pressure · Nov 25, 2025 · N190DN · Boeing 767332
  > DIV/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)
- [SDR I5PA2025111688801](https://openairdocs.org/sdr/I5PA2025111688801.md): Oil System · low pressure · Nov 16, 2025 · N888LT · Boeing 757230
  > MGE305 (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. OPEN
- [SDR DALA2025101607562](https://openairdocs.org/sdr/DALA2025101607562.md): Oil System · low pressure · Oct 15, 2025 · N336NW · Airbus A320212
  > RETURNED 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)
- [SDR HALA20251001295](https://openairdocs.org/sdr/HALA20251001295.md): Sensor · faulted · Sep 30, 2025 · N216HA · Airbus A321271N
  > ETOPS - 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.
- [SDR YENA2025090800916](https://openairdocs.org/sdr/YENA2025090800916.md): Transmitter · failed · Sep 4, 2025 · N636JB · Airbus A320232
  > FLT#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. FAULT
- [SDR HALA20250825260](https://openairdocs.org/sdr/HALA20250825260.md): Pressure Switch · faulted · Aug 22, 2025 · N5827K · Airbus A330343
  > ETOPS - 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.
- [SDR AALA202508200259](https://openairdocs.org/sdr/AALA202508200259.md): Pressure Switch · failed · Aug 19, 2025 · N879NN · Boeing 737823
  > AIRCRAFT 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. ACC
- [SDR MTNA20250813001](https://openairdocs.org/sdr/MTNA20250813001.md): Warning Light · illuminated · Aug 12, 2025 · N910FX · Aerosp ATR42300
  > ON THE TAKEOFF ROLL, BELOW V1, ENGINE OIL LOW PRESSURE MASTER WARNING ILLUMINATED EXTINGUISHED THEN ILLUMINATED AGAIN TAKEOFF ABORTED
- [SDR AALA202508058997](https://openairdocs.org/sdr/AALA202508058997.md): Screen · unsecure · Aug 3, 2025 · N337PJ · Boeing 737823
  > AIRCRAFT 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 B
- [SDR 2025F00171](https://openairdocs.org/sdr/2025F00171.md): Oil System · low pressure · Jul 31, 2025 · N176TW · Beech B90
  > DEPARTED 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.
- [SDR DALA2025071505335](https://openairdocs.org/sdr/DALA2025071505335.md): Switch · faulted · Jul 14, 2025 · N190DN · Boeing 767332
  > SHIP 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).
- [SDR NACA2025070300002](https://openairdocs.org/sdr/NACA2025070300002.md): Indicator · inoperative · Jul 3, 2025 · N566NC · Boeing 7673BG
  > RH ENGINE OIL PRESS IND BLANK. CLEANED AND RESECURED ELECTRICAL CONNECTOR P4208P IAW WPM 36-11-62 OPS CHECK OK.
- [SDR CALA2025070706280](https://openairdocs.org/sdr/CALA2025070706280.md): Transmitter · faulty · Jul 3, 2025 · N14121 · Boeing 757224
  > LEFT 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 THAT
- [SDR AALA202506306224](https://openairdocs.org/sdr/AALA202506306224.md): Oil System · low pressure · Jun 28, 2025 · N938NN · Boeing 737823
  > AIRCRAFT 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).
- [SDR 2025FA0000384](https://openairdocs.org/sdr/2025FA0000384.md): Indication Sys · erratic · Jun 4, 2025 · N717TH · Cessna 172S
  > ENGINE OIL PRESSURE INDICATION ERRATIC. ONLY FLUCTUATES IN FLIGHT. STEADY DURING GROUND OPERATIONS.
- [SDR YENA2025060200549](https://openairdocs.org/sdr/YENA2025060200549.md): Sensor · failed · May 30, 2025 · N4062J · Airbus A321271NX
  > FLT#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.'
- [SDR CALA2025051304651](https://openairdocs.org/sdr/CALA2025051304651.md): Engine · oil consumption · May 11, 2025 · N79011 · Boeing 777224
  > E1 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
- [SDR 3EJA202505070001](https://openairdocs.org/sdr/3EJA202505070001.md): Oil System · low pressure · May 7, 2025 · N393JS · Bombdr BD1001A10
  > RH ENG LOW OIL PRESSURE INTERMITTENT DURING CLIMB OUT.
- [SDR AALA202505081851](https://openairdocs.org/sdr/AALA202505081851.md): Oil System · low pressure · May 4, 2025 · N324RA · Boeing 7378
  > AIRCRAFT 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 AN
- [SDR CALA2025022802517](https://openairdocs.org/sdr/CALA2025022802517.md): Pump · failed · Feb 28, 2025 · N48127 · Boeing 757224
  > ZERO 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
- [SDR HALA20250226072](https://openairdocs.org/sdr/HALA20250226072.md): Pressure Sensor · faulted · Feb 25, 2025 · N217HA · Airbus A321271N
  > ETOPS - 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.
- [SDR FXTA20250408003](https://openairdocs.org/sdr/FXTA20250408003.md): Pressure Switch · loose · Feb 14, 2025 · N409BA · Textrn 408
  > FOUND LH ENGINE OIL LOW PRESSURE SWITCH LOOSE IN BOSS.
- [SDR AALA202501279832](https://openairdocs.org/sdr/AALA202501279832.md): Oil System · fluctuates · Jan 26, 2025 · N923NN · Boeing 737823
  > AIRCRAFT 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 AM
- [SDR SWIA2025011400011](https://openairdocs.org/sdr/SWIA2025011400011.md): Warning Message · illuminated · Jan 14, 2025 · N969SW · Cndair CL6002B19
  > L 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 PROGRESS

Next page: https://openairdocs.org/jasc/7931/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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
```

This list as a web page: https://openairdocs.org/jasc/7931/reports

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