# Service difficulty reports: JASC 2840

A list on [JASC 2840](https://openairdocs.org/jasc/2840.md).

Reports filed under 2840 · Fuel Indicating System, newest first.

Page 1 of 38 · 1,863 reports

- [SDR IPXA2026101782274](https://openairdocs.org/sdr/IPXA2026101782274.md): Compensator · malfunctioned · Oct 16, 2026 · N148UP · Airbus A300F4622R
  > AT CRUISE, LEFT INNER TANK READ 4.2, IMBALANCE REMAINED THROUGH APPROACH, LANDING AND TAXI. UPON REACHING RAMP, LEFT INNER THEN SHOWED INCREASING AND FINALLY SHOWED 5.5 WITH IMBALANCE W/IN LD LIMITS. SPOKE WITH TECH, THEY RECOMMENED COMPENSATOR.
- [SDR ANCF20260929019](https://openairdocs.org/sdr/ANCF20260929019.md): Sensor · abnormal · Sep 29, 2026 · N632AV · Airbus A320214
  > FUEL F. USED / FOB DISAGREE, THE CADENSICON 19QT HAS BEEN REMOVED AND REPLACED IAW AMM 28-42-16-000/400-001-A REV 78 REV-. TORQUE APPLIED TO THE BOLT 2 42 LBF IN AND BONDING CONTACT RESISTANCE BETWEEN THE CADENSICON (1) AND THE SUPPORT BRACKET (4) 09 MILLIO
- [SDR SWAA2026092514349](https://openairdocs.org/sdr/SWAA2026092514349.md): Fuel Sys · faulted · Sep 21, 2026 · N473WN · Boeing 7377H4
  > DURING CRUISE, NR 2 FUEL GAUGE PROGRESSED TO 400 LBS MORE THAN NR 1 TANK WITH CONSISTENTLY SLIGHTLY HIGHER FUEL FLOW. CROSSFED TO 200 LBS HIGHER IN NR 2 TANK, THEN NR 2 TANK EQUALIZED TO NR 1 TANK READINGS. SUSPECT INDICATING ERROR ON NR 2 TANK GAUGE. PERFO
- [SDR UIEA2026091200875](https://openairdocs.org/sdr/UIEA2026091200875.md): Probe · faulted · Sep 10, 2026 · N641GT · Boeing 76738E
  > DURING CRUISE FLIGHT WITH CENTER TANK PUMPS OPERATIONS, RIGHT MAIN TANK AND LEFT TANK FUEL IMBALANCE INCREASED TO 8000 LBS. PERFORMED FUEL QTY CHECK PER AMM 28-41-00, TESTED AND REPLACED FOUR TANK PROBES AND COMPENSATORS PER AMM 28-41-01 AND AMM 28-41-02. NO F
- [SDR DALA2026091305109](https://openairdocs.org/sdr/DALA2026091305109.md): Warning Message · illuminated · Sep 10, 2026 · N351NW · Airbus A320212
  > CAUTION ON ECAM - TK LO TEMP LEFT OUTTER LO TEMP. FLIGHT CREW PLACARD VALIDATION IS ACCOMPLISHED REJECTED TAKEOFF DUE TO FUEL L OUTER TK LO TEMP INDICATION. LEFT OUTER TANK INDICATED -51C. AFTER CLEARING RUNWAY, FUEL TEMP INDICATED~ +42C. FLIGHT CREW PLACARD
- [SDR SIMA20260907001](https://openairdocs.org/sdr/SIMA20260907001.md): Fcu · illuminated · Sep 7, 2026 · N311VE · Emb ERJ170200LR
  > FUEL 1 LO LEVEL EICAS MESSAGE AFTER TAKEOFF. (EMERGENCY DECLARED). DEFERRED FUEL 1 LOW LEVEL SENSOR MEL AUTH# 090367-C REF# 28-25. R & R FUEL CONDITIIONING UNIT IAW AMM 28-41-03. OPS CK GD IAW AMM 28-41-00 NO DEFECTS MEL RESTORED.
- [SDR 6CBA2026083126001](https://openairdocs.org/sdr/6CBA2026083126001.md): Warning Light · illuminated · Aug 29, 2026 · N755AF · Pilats PC1247E
  > DURING FLIGHT FROM KLAL TO KLZU, THE CREW RECEIVED A LH FUEL QTY FAIL CAS, AND AN ASSOCIATED FUEL IMBALANCE CAS APPEARED. THE CREW FOLLOWED THE QRH AND NOTED THE RECOMMENDATION WAS TO LAND AS SOON AS POSSIBLE. AN EMERGENCY WAS DECLARED AND THEY PERFORMED A S
- [SDR AALA202608315612](https://openairdocs.org/sdr/AALA202608315612.md): Computer · defective · Aug 27, 2026 · N179UW · Airbus A321211
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LAX DUE TO THE FLIGHT CREW REPORTING AN ECAM MESSAGE FOR THE RIGHT CENTER FUEL TANK FUEL TRANSFER PUMP BEING INOPERATIVE ON TAKEOFF - THE FLIGHT CREW RAN ECAM AND IMPENDING FUEL IMBA
- [SDR DALA2026082404778](https://openairdocs.org/sdr/DALA2026082404778.md): Indication Sys · inoperative · Aug 23, 2026 · N363NW · Airbus A320212
  > ATB - DUE TO FUEL QTY IMBALANCE, RIGHT INBOARD TANK READ 1,200 LBS HIGHER THAN LEFT INBOARD TANK. REPLACED FQIC. (LP: 8828758, AIRCRAFT WAS GROUNDED)
- [SDR G41A2026081900656](https://openairdocs.org/sdr/G41A2026081900656.md): Fuel Sys · malfunctioned · Aug 16, 2026 · N198HB · Lear 60LEAR
  > DEPARTED KGSO HEADING TO KHDC. APPROXIMATELY 1 HOUR INTO THE FLIGHT, THE CAPTAIN REPORTED A FUEL QUANTITY ISSUE. FOR SAFETY PURPOSES, THE CREW DECIDED TO DIVERT INTO KJAX. WHILE ON THE GROUND, THE FUEL QUANTITY ISSUE CORRECTED ITSELF AND THE CREW DECIDED TO RE
- [SDR AALA202608101074](https://openairdocs.org/sdr/AALA202608101074.md): Valve · defective · Aug 9, 2026 · N951XV · Airbus A321253N
  > AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED THAT AT FL 360 THERE WAS A FUEL IMBALANCE OF 3000 THOUSAND POUNDS DIFFERENCE FROM TANK 1 TO TANK 2 - MAINTENANCE REPLACED RIGHT WING AIR RELEASE VALVE 87QM PER AMM 28-21-41
- [SDR AALA202608104486](https://openairdocs.org/sdr/AALA202608104486.md): Processor · faulty · Aug 6, 2026 · N776AN · Boeing 777223
  > AIRCRAFT WAS GROUNDED: AIRCRAFT WAS GROUNDED: LEFT MAIN TANK AND TOTAL FUEL QUANTITY BLANK. DECESION MADE TO RETURN TO DFW. EMERGENCY DECLARED AND AIRCRAFT LANDED OVERWEIGHT WITHOUT INCIDENT. MAINTENANCE REPLACED LEFT MAIN TANK FUEL QUANTITY PROCESSOR #19.
- [SDR AALA202608102093](https://openairdocs.org/sdr/AALA202608102093.md): Processor · faulty · Aug 6, 2026 · N776AN · Boeing 777223
  > AIRCRAFT WAS GROUNDED: LEFT MAIN TANK AND TOTAL FUEL QUANTITY BLANK. DECESION MADE TO RETURN TO DFW. EMERGENCY DECLARED AND AIRCRAFT LANDED OVERWEIGHT WITHOUT INCIDENT. MAINTENANCE REPLACED LEFT MAIN TANK FUEL QUANTITY PROCESSOR #17.
- [SDR SWAA2026072957039](https://openairdocs.org/sdr/SWAA2026072957039.md): Float Switch · leaking · Jul 25, 2026 · N8851Q · Boeing 7378
  > RIGHT WING LEAKING FUEL FROM OUT BOARD VENT RIGHT WING FLOAT SWITCH OK TO CONTINUE PER MEL 28-21-01A SP#1 & SP#1B REMOVED AND REPLACED RIGHT WING FUEL FLOAT SWITCH PER AMM 28-21-71. ALL WORK PERFORMED BY OUTSIDE VENDOR AEROTEAMS SEE WORK ORDER 66-26166
- [SDR FDEA202607180943](https://openairdocs.org/sdr/FDEA202607180943.md): Warning Message · false activation · Jul 18, 2026 · N160FE · Boeing 7673S2F
  > TOOK OFF WITH 2.3 IN CENTER TANKS, L & R TANKS FULL. ALL PUMPS ON AND CROSS FEEDS WERE OFF. APPROX 10 MINS INTO FLIGHT, RECEIVED FUEL CONFIG EICAS. STILL 0.6 IN CENTER, BUT L WAS 35.5, R WAS 37.5. COMPLIED WITH QRH AND REBALANCED FUEL. CW FIM 28-41/854
- [SDR AALA202607072190](https://openairdocs.org/sdr/AALA202607072190.md): Relay · faulted · Jul 6, 2026 · N906AN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: LEFT CENTER TANK LOW PRESSURE LIGHT ILLUMINATED AND STAYED ON. PERFORMED T/S IAW FIM 28-22-00-810-822. FOUND THREE LIGHTS FLASHING SIMULTANEOUSLY ON UFI. MAINTENANCE REPLACED RELAY R54 IAW WDM 28-23-11. OPS CHECK OF LH CENTER PUMP NORMAL
- [SDR CNMA2026060001](https://openairdocs.org/sdr/CNMA2026060001.md): Indication Sys · intermittent · Jun 21, 2026 · N828AX · Boeing 7772U8
  > DURING CLIMB FUEL IMBALANCE CK LIST CAME UP. EVENTUALLY RT SIDE SHOWED 8K LEFT SIDE SHOWED 35K DURING DESCENT IT WENT BACK TO NORMAL
- [SDR AALA202606253429](https://openairdocs.org/sdr/AALA202606253429.md): Compensator · erratic · Jun 18, 2026 · N880NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: DIVERTING TO DFW ON ACCOUNT OF MAINTENANCE. FUEL INDICATION. EMERGENCY NOT DECLARED AND AIRCRAFT WILL NOT BE OVERWEIGHT FOR LANDING. MAINTENANCE REPLACED CENTER TANK COMPENSATOR, IAW B737 AMM 28-41-21-000-801 AND 28-41-21-400-801.
- [SDR MTNA2026061500002](https://openairdocs.org/sdr/MTNA2026061500002.md): Probe · false indication · Jun 12, 2026 · N714FX · Textrn 408
  > ON JUNE 12, 2026, DURING DESCENT ON FLIGHT MTN8380 FROM MEM TO DHN, 714FX, EXPERIENCED INTERMITTENT FUEL LEVEL LO R AND FUEL LEVEL LO L AMBER CAS MESSAGES BEGINNING APPROX 15 MINS PRIOR TO LANDING WITH 3,210 LBS INDICATED FOB AT DEPARTURE. THE RIGHT TANK LEVE
- [SDR AALA202606031763](https://openairdocs.org/sdr/AALA202606031763.md): Warning Message · illuminated · Jun 2, 2026 · N9016 · Airbus A319115
  > AIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED UPON ARRIVAL IN DFW DUE TO THE FLIGHT CREW REPORTING AN FUEL USED / FUEL ONBOARD DISAGREE ECAM MESSAGE. THE FLIGHT CREW REPORTED THAT THEY RECIEVED AN ECAM ALERTING TO A FUEL LEAK. THE FLIGHT CREW MONITORED
- [SDR DXTA2026052608191](https://openairdocs.org/sdr/DXTA2026052608191.md): Indication Sys · malfunctioned · May 21, 2026 · N122QS · Bombdr BD7001A11
  > LEFT WING FUEL QUANTITY WILL RAPIDLY INCREASE IN INDICATED AMOUNT. THIS LARGE INCREASE CREATES A FUEL IMBALANCE AMBER CAS MESSAGE, AND THE AUTO TRANSFER SYSTEM WILL ATTEMPT TO TRANSFER FUEL FROM THE PERCEIVED HEAVY LEFT WING TO THE RIGHT WING, CREATING AN ACTU
- [SDR SIMA20260520001](https://openairdocs.org/sdr/SIMA20260520001.md): Signal Cond Unit · failed · May 20, 2026 · N266NN · Emb ERJ170200LR
  > FUEL 1 LO LEVEL SHORTLY AFTER TAKE OFF. COMPLIED WITH QRH FOR PROCEDURE AND CROSS-CHECKED MEL 28-20 TO ENSURE IT WAS NOT RELATED. MESSAGE PERSIST UNTIL LANDING ROLL OUT. EMERGENCY DECLARED. RAR FUEL CONDITIONING UNIT IAW EMB AMM 28-41-03. REFERENCE AML PAGE 11
- [SDR MTNA2026051900001](https://openairdocs.org/sdr/MTNA2026051900001.md): Probe · false indication · May 19, 2026 · N743FX · Textrn 408
  > WHEN N743FX LANDED IN MCO LAST NIGHT WITH THE LOW FUEL LIGHT ON, WHEN THE PIC WAS PULLING INTO PARK, THEY HAD APPROXIMATELY 700 LBS AND THE NR 2 ENGINE SHUT OFF. THE RT SIDE NR 4 PROBE SEEMS TO BE WAY OFF PER 28-40-00.
- [SDR AALA202604305017](https://openairdocs.org/sdr/AALA202604305017.md): Transmitter · faulted · Apr 29, 2026 · N102NN · Airbus A321231
  > AIRCRAFT WAS GROUNDED: THE AIRCRAFT DIVERTED TO DEN DUE TO THE FLIGHT CREW REPORTING A FUEL USED /FUEL ON BOARD DISAGREE ECAM AND SUSPECTED A FUEL LEAK. THE AIRCRAFT LANDED SAFELY AT DEN WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE #2 ENGINE FUEL FLOW TR
- [SDR MTNA2026061500001](https://openairdocs.org/sdr/MTNA2026061500001.md): Probe · false indication · Apr 23, 2026 · N758FX · Textrn 408
  > DURING MTNA'S 800 HR INSPECTION ON 758FX IT WAS IDENTIFIED THAT: LEFT FUEL QTY FOUND TO BE INACURATE, WITH EMPTY LEFT SIDE IS 77OLB OF FUEL MX: SYSTEM T/S PERFORMED, DETERMINED #4 PROBE AT FAULT PER C408 MM CHAPT 28-40-00. REPLACED #4 LEFT FUEL QTY PROBE AND
- [SDR SWAA2026042789576](https://openairdocs.org/sdr/SWAA2026042789576.md): Float Switch · failed · Apr 14, 2026 · N8756S · Boeing 7378
  > RIGHT MAIN TANK FUEL LEAK DUE TO POSSIBLE FAILED VALVE. RIGHT WING FLOAT SWITCH INOPERATIVE, OK TO CONT IAW MEL 28-21-01A SP1, AND SP1B. R & R RIGHT TANK FLOAT SWITCH IAW AMM 28-21-71. OPS CHECK AND LEAK CHECK GOOD.
- [SDR YENA2026041500397](https://openairdocs.org/sdr/YENA2026041500397.md): Selector · failed · Apr 14, 2026 · N4083J · Airbus A321271NX
  > FLT#34, CDG-BOS. (ETOPS) "AIRCARFT WAS OVERFUELED IN CDG. NO FAULTS PRESENT AT THE TIME, ON SHUTDOWN, MAINTENANCE POST FLIGTH REPORT PRINTED AND FLAGGED REFUEL PRESELECTOR; REMOVED AND REPLACED FUEL QTY PRESELECTOR AS PER AMM 28-42-21. BITE TEST GOOD. NO FAUL
- [SDR AALA202604148914](https://openairdocs.org/sdr/AALA202604148914.md): Pressure Switch · inoperative · Apr 7, 2026 · N945AN · Boeing 737823
  > AIRCRAFT WAS NOT GROUNDED: RIGHT CENTER TANK LOW PRESSURE LIGHT ON WITH PUMP ON AND FUEL INSIDE THE TANK. REMOVED AND REPLACED RIGHT HAND CENTER LOW PRESSURE SWITCH, PER AMM 28-42-11. OPS AND LEAK CHECK GOOD, PER AMM 28-42-11-700-801.
- [SDR QXEA2026040700078](https://openairdocs.org/sdr/QXEA2026040700078.md): Fault Message · illuminated · Mar 31, 2026 · N663QX · Emb ERJ170200LR
  > FUEL 2 FEED FAULT MESSAGE DISPLAYED ON EICAS ON TAKE OFF ROLL. REJECTED TAKEOFF. REMOVED FROM SERVICE. INFO ONLY, RESET FUEL FEED 2 FAULT IAW E175 AOM V. 1 PAGE 3.8.25 AS DIRECTED BY CONTROLLER 1034390 AND GPM 8.2.2.4 SYSTEM RESTORED.RETURNED TO SERVICE.
- [SDR 2026FA0000232](https://openairdocs.org/sdr/2026FA0000232.md): Indication Sys · faulted · Mar 27, 2026 · N281AV · Airbus A320214
  > DURING TAXI AOUT FUEL IN LEFT OUTER TANK INCREASED TO 590KG AND FUEL IN LEFT INNER TANK DECREASED TO 1340 KG FUEL IS LOADING OUT OF LIMITS FOR T/OFF
- [SDR CALA2026032714869](https://openairdocs.org/sdr/CALA2026032714869.md): Probe · faulty · Mar 25, 2026 · N39416 · Boeing 737924ER
  > CREW REPORTED #2 TANK DROPPED 500 LBS MORE THAT #1 TANK IN A 9 MINUTE TIME LINE CREATING A SECOND INBALANCE CONDITIONACP FQIS IBFLIGHT FAULTS AND FOUND TANK2 DEGRAD ACC LEG 00 ATA 28-41208 COUNT 01 COMPENSATOR DATA BAD ADDED PICTURE REQUEST MEL 2806B FOR #2 TA
- [SDR AALA202603196313](https://openairdocs.org/sdr/AALA202603196313.md): Pressure Switch · faulty · Mar 18, 2026 · N929NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: RIGHT AFT FUEL BOOST PUMP LOW PRESSURE LIGHT WILL NOT EXTINGUISH WITH PUMP SWITCH TURNED ON. REEMOVED AND REPLACED RIGHT AFT FUEL BOOST PUMP PRESS SWITCH. PER CMM 28-41-11. OPS AND LEAK CHECK GOOD.
- [SDR QR9R2026031200001](https://openairdocs.org/sdr/QR9R2026031200001.md): Sensor · faulted · Mar 12, 2026 · Bolkms BK117C2
  > WHILE ON FINAL, FUEL QUANTITY DEGRADE CAUTION MESSAGE APPEARED ON DASH WITH SUBSEQUENT LOSS OF FUEL QUANTITY INDICATIONS. REMOVED AND REPLACED MAIN TANK AFT FUEL PROBE IAW AMM 28-40-00, 4-1. FUNCTIONAL CHECK COMPLETED OKAY.
- [SDR 3EJA868JS030326](https://openairdocs.org/sdr/3EJA868JS030326.md): Pressure Switch · failed · Mar 3, 2026 · N868JS · Cessna 560XL
  > ON THE TAKEOFF ROLL PRIOR TO 80, THE R LO FUEL PRESS ILLUMINATED FOLLOWED IMMEDIATELY BY R FUEL BOOST LIGHT.
- [SDR YENA2026022700240](https://openairdocs.org/sdr/YENA2026022700240.md): Control Unit · faulted · Feb 26, 2026 · N4058J · Airbus A321271NX
  > FLT 20, LHR-JFK (ETOPS). CLASS II MAINTENANCE MSG FUEL ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT(S) INDICATED BY FUEL).; REMOVED AND REPLACED 9QJ PER AMM 28-46-34. NO FAULTS NOTED. OPS CHK GOOD. CLASS 2 MSG
- [SDR AALA202602235876](https://openairdocs.org/sdr/AALA202602235876.md): Fuel Sys · warning message · Feb 22, 2026 · N927AN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: DURNING DESCENT RECEIVED A FUEL IMBALANCE AND CONFIGURATION WARNING; AFTER CENTER TANK WAS EMPTY. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).
- [SDR AALA202602233269](https://openairdocs.org/sdr/AALA202602233269.md): Pressure Switch · faulty · Feb 20, 2026 · N923AN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: WHEN CENTER FUEL TANK WAS EMPTY LEFT CENTER LOW PRESSURE LIGHT AND ASSOCIATED CAUTION DID NOT ILLUMINATE. THE LEFT CENTER PUMP WAS LEFT ON FOR AN EXTENDED TIME, BUT THE LOW PRESSURE CAUTION FROM THE LEFT PUMP NEVER ILLUMINATED. BULBS TES
- [SDR YENA2026020200106](https://openairdocs.org/sdr/YENA2026020200106.md): Warning Message · false activation · Feb 1, 2026 · N2169J · Airbus A321271NX
  > FLT 133, BOS - SFO, (ETOPS). CLASS II FUEL, CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1. FAULT INDICATED BY FUEL. ACCOMPLISHED BITE-TEST SATISFACTORY. NO FAULT DETECTED, MDDR CLEARED, PLACARD REMOVED, MX-4 UPDATED.
- [SDR AALA202603060600](https://openairdocs.org/sdr/AALA202603060600.md): Probe · faulted · Jan 21, 2026 · N865NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AT CRUISE NOTICED ENGINE #1 WAS IMBALANCED; EXPECTED FUEL AT DESTINATION WAS INDICATING 11K LBS AND WAS DROPPING FAST TO 10KLBS. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT PHX. VERIFIED LEFT HAND FUEL QUA
- [SDR AALA202603066245](https://openairdocs.org/sdr/AALA202603066245.md): Compensator · faulted · Jan 21, 2026 · N865NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AT CRUISE NOTICED ENGINE #1 WAS IMBALANCED; EXPECTED FUEL AT DESTINATION WAS INDICATING 11K LBS AND WAS DROPPING FAST TO 10KLBS. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT PHX. VERIFIED LEFT HAND FUEL QUA
- [SDR AALA202603068764](https://openairdocs.org/sdr/AALA202603068764.md): Transmitter · faulted · Jan 21, 2026 · N865NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AT CRUISE NOTICED ENGINE #1 WAS IMBALANCED; EXPECTED FUEL AT DESTINATION WAS INDICATING 11K LBS AND WAS DROPPING FAST TO 10KLBS. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT PHX. VERIFIED LEFT HAND FUEL QUA
- [SDR AALA202601156533](https://openairdocs.org/sdr/AALA202601156533.md): Indicator · faulty · Jan 10, 2026 · N954AN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: LEFT CENTER FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED IN FLIGHT AND STAYED ON WITH FUEL IN CENTER TANK. REMOVED AND REPLACED LEFT (UFI) UNIVERSAL FAULT INTERRUPTER M9060 (AALA202601142410),. ALSO, REMOVED AND REPLACED RAM T9901 (AALA20260
- [SDR AALA202601094879](https://openairdocs.org/sdr/AALA202601094879.md): Processor · false indication · Jan 8, 2026 · N964NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: LEFT FUEL TANK INDICATOR PERIODICALLY SHOWS A QUANTITY VALUE IT FLAGS A FUEL IMBALANCE AND MULTIPLE MESSAGES IN THE FMS. GROUND TEST OF FQIS SYSTEM FAULTED WITH MSG # 28-41115 (ARINC OUTPUT BUS FAIL). ACCOMPLISHED TEST OF REFUEL QUANTITY
- [SDR SWI2026F00000](https://openairdocs.org/sdr/SWI2026F00000.md): Warning Message · illuminated · Dec 30, 2025 · N176SY · Emb ERJ170200LR
  > FUEL 1 LO LEVEL WARNING MESSAGE DURING FLIGHT. QRH COMPLIED WITH AND DIVERSION REQUIRED. (FLIGHT 3102) OPEN.
- [SDR SWI2025F01869](https://openairdocs.org/sdr/SWI2025F01869.md): Warning Message · illuminated · Dec 23, 2025 · N185SY · Emb ERJ170200LR
  > FLIGHT CREW REPORTS FUEL 2 LOW LEVEL MESSAGE DISPLAYED IN FLIGHT. (FLIGHT 3102 - FILED OPEN)THIS IS CURRENTLY A WORK IN PROGRESS
- [SDR AALA202603069117](https://openairdocs.org/sdr/AALA202603069117.md): Compensator · failed · Dec 16, 2025 · N952NN · Boeing 737823
  > AIRCRAFT WAS NOT GROUNDED: 1500LB FUEL IMBALANCE (RIGHT TANK LOW) AFTER TAKEOFF WITH FUEL IN THE CENTER TANK AND CENTER PUMPS OPERATING. HAD TO CROSS FEED MULTIPLE TIMES TO REBALANCE FUEL. **SUPPLEMENTAL REPORT FOR (AALA202512179117) SUBMITTED 12/17/2025 BY DF
- [SDR YENA2025121701227](https://openairdocs.org/sdr/YENA2025121701227.md): Computer · faulted · Dec 15, 2025 · N2165J · Airbus A321271NX
  > FLT 2233 BOS-SFO ( ETOPS). FUEL ACT XFR FAULT QRH APPLIED WITH FUEL IN AFT 1; REMOVED AND REPLACED FQIC (3QT) AS PRECAUTIONARY IAW AMM 28-42-34. OPS CHK GOOD. NO FURTHER DEFECTS NOTED. MDDR 603334 CLEARED MX-4 UPDATED PLACARD REMOVED.
- [SDR AALA202512181754](https://openairdocs.org/sdr/AALA202512181754.md): Sensor · faulted · Dec 14, 2025 · N560UW · Airbus A321231
  > AIRCRAFT WAS GROUNDED: FUEL RIGHT WING TANK OVERFLOW ECAM ALERT. FLIGHT CREW SUCCESSFULLY RAN ECAM WITH CENTER TANK RIGHT TRANSFER REMAINING OFF. MAINTENANCE REPLACED FULL LEVEL SENSOR CHANNEL A 23QJ2 (AALA202512188968), UNDERFULL LEVEL SENSOR 24QJ2 (AALA20251
- [SDR AALA202512188656](https://openairdocs.org/sdr/AALA202512188656.md): Sensor · faulted · Dec 14, 2025 · N560UW · Airbus A321231
  > AIRCRAFT WAS GROUNDED: FUEL RIGHT WING TANK OVERFLOW ECAM ALERT. FLIGHT CREW SUCCESSFULLY RAN ECAM WITH CENTER TANK RIGHT TRANSFER REMAINING OFF. MAINTENANCE REPLACED FULL LEVEL SENSOR CHANNEL A 23QJ2 (AALA202512188968), UNDERFULL LEVEL SENSOR 24QJ2 (AALA20251
- [SDR AALA202512188968](https://openairdocs.org/sdr/AALA202512188968.md): Sensor · fault message · Dec 14, 2025 · N560UW · Airbus A321231
  > AIRCRAFT WAS GROUNDED: FUEL RIGHT WING TANK OVERFLOW ECAM ALERT. FLIGHT CREW SUCCESSFULLY RAN ECAM WITH CENTER TANK RIGHT TRANSFER REMAINING OFF. MAINTENANCE REPLACED FULL LEVEL SENSOR CHANNEL A 23QJ2 (AALA202512188968), UNDERFULL LEVEL SENSOR 24QJ2 (AALA20251

Next page: https://openairdocs.org/jasc/2840/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 = '2840'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/2840/reports

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