# Service difficulty reports: JASC 2800 A list on [JASC 2800](https://openairdocs.org/jasc/2800.md). Reports filed under 2800 · Aircraft Fuel System, newest first. Page 1 of 15 · 741 reports - [SDR SWAA2026102798385](https://openairdocs.org/sdr/SWAA2026102798385.md): Fuel · leaking · Oct 23, 2026 · N8545V · Boeing 7378H4 > NR 1 ENGINE LEAKING FUEL DURING START. DID NOT STOP BY 5 MINS. SHUTDOWN AND RETURNED TO GATE. COMPLIED WITH NR 1 ENG VENTS & DRAINS INSPECTION. WITH NO LEAKS NOTED IAW AMM 71-71-00. ACFT OK FOR SERVICE. - [SDR EVCA20261006001](https://openairdocs.org/sdr/EVCA20261006001.md): Switch · unserviceable · Sep 30, 2026 · N133AE · Bell 206L > RAW FUEL ODOR IN CABIN AND COCKPIT AREAS IN FLIGHT. - [SDR YENA2026082600708](https://openairdocs.org/sdr/YENA2026082600708.md): Sensor · activated · Aug 26, 2026 · N4083J · Airbus A321271NX > FLT # 2261, BOS-MAD. (ETOPS) "ACT 2 HIGH LEVEL SENSOR SPARE ACTIVATED VIA SWITCH 72QJ2. OPEN - [SDR YENA2026081900692](https://openairdocs.org/sdr/YENA2026081900692.md): Fuel Sys · warning message · Aug 19, 2026 · N4083J · Airbus A321271NX > FLT 2261, BOS-MAD. (ETOPS) "FUEL AFT 2 ACT HI LVL ( HIGH LEVEL FUEL DETECTION SYSTEM ADDITIONAL CENTER TANK(S)). - [SDR CALA2026081918731](https://openairdocs.org/sdr/CALA2026081918731.md): Check Valve · contaminated · Aug 18, 2026 · N69830 · Boeing 737924ER > TECH SUPPORT UPDATE ON A LEVEL C REPEAT CHRONIC NGS DEGRADED W/PRIOR HISTORY OF A 63 FAULT ASM FAULTING BUT LOW HIGH FLOW TEST OK AND W/ASM NEWER STYLE AND FAIRLY LOW HRS 14K. FOUND NO SIGNS OR ODORS OF FUEL. R & R NGS OXY SENSOR IAW AMM 47-42-03/401. ELEC & - [SDR CALA2026080718362](https://openairdocs.org/sdr/CALA2026080718362.md): Fuel Sys · no discrepancy · Aug 6, 2026 · N893UA · Airbus A319132 > FUEL BURN WAS DOUBLE WHAT IT SHOULD BE TAXIING TO THE RUNWAY. FAS SAID THEY SMELLED FUEL VAPORS IN THE CABIN WHILE SITTING WAITING FOR TAKEOFF. OPEN AND INSPECTED ENGINES FOUND NO ISSUES, RAN ENGINES FOR 5 MIN NO ISSUES FOUND DURING RUN. - [SDR YENA2026080500649](https://openairdocs.org/sdr/YENA2026080500649.md): Warning Message · illuminated · Aug 3, 2026 · N2151J · Airbus A321271NX > FLT 1333, BOS-SFO. (ETOPS) FUEL, CLASS II MAINTENANCE MESSAGE. OPEN - [SDR IPXA2026071799616](https://openairdocs.org/sdr/IPXA2026071799616.md): Fuel Sys · out of balance · Jul 16, 2026 · N328UP · Boeing 76734AF > FUEL BALANCED AT TAKEOFF,3 HOURS IN TO FLIGHT GOT FUEL CONFIG LIGHT-RAN QRH TO BALANCE FUEL.2 HOURS AFTER BALANCING FUEL WE HAD A 700 LB FUEL IMBALANCE.LANDED WITH 700 LB IMBALANCE. NIL PREVIOUS FUEL IMBALANCE HISTORY.ON ARRIVAL FOUND FUEL IMBALANCE OF 700 L - [SDR YENA2026071300560](https://openairdocs.org/sdr/YENA2026071300560.md): Warning Message · illuminated · Jul 11, 2026 · N4083J · Airbus A321271NX > FLT # 7, JFK-LHR. (ETOPS) "CLASS 2 FUEL MSG ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY FAULT(S) INDICATED BY FUEL)" (SUPPLEMENTAL INFORMATION TO FOLLOW). - [SDR IPXA2026060148785](https://openairdocs.org/sdr/IPXA2026060148785.md): Fuel Sys · out of balance · May 12, 2026 · N447UP · Boeing 75724APF > **SUPPLEMENTAL SDR** FUEL IMBALANCE. REMOVED AND REPLACED FWD AND AFT ENGINE FUEL CROSS FEED VALVE BODIES REF. UPS B757 AMM 28-22-02-004-042 AND 28-22-02-404-043. FINALIZED INSTALLATION OF THE FWD & AFT ENGINE FUEL CROSSFEED VALVE ACTUATORS, LEAK AND OPS CHEC - [SDR YENA2026050500449](https://openairdocs.org/sdr/YENA2026050500449.md): Warning Message · false activation · May 3, 2026 · N2205J · Airbus A321271NX > FLT 1216, SFO-JFK. (ETOPS) FUEL CLASS II MESSAGE. CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT INDICATED BY FUEL. C/W TSM TASK 28-46-00-810-809-A, BITE TEST OF THE FLSS PER AMM 28-46-00-740-001, NO DEFECTS NOTED - [SDR SWAA2026050494327](https://openairdocs.org/sdr/SWAA2026050494327.md): Control Valve · leaking · Apr 29, 2026 · N8540V · Boeing 7378H4 > NR 1 ENGINE FUEL LEAK AFTER PUSHBACK. CONTINUE AFTER 5 MINUTES. REMOVED AND REPLACED NR 1 ENGINE HPTACC IAW AMM 75-21-01; PERFORMED IDLE TEST 3A AND ACTUATORS TEST. TEST PASSED AND NO LEAKS FOUND. REF MT# 727-PRD-01-03. - [SDR 2026FA0000127](https://openairdocs.org/sdr/2026FA0000127.md): Fuel Sys · contaminated · Feb 16, 2026 · N990HA · Amd FALCON7X > POLLUTION FOUND IN FUEL TANKS AFTER REMOVAL OF BOTH WINGS - FOLLOWING REMOVAL OF BOTH WINGS FOR REPLACEMENT OF LOWER PANELS AFTER 2C INSPECTION PERFORMED IN 2025, WE FOUND CONTAMINATION IN THE WINGS, IN THE CENTRE TANK, IN THE THREE FEEDERS’ TANKS, IN THE FILT - [SDR EVCA20260105001](https://openairdocs.org/sdr/EVCA20260105001.md): Bracket · leaking · Jan 3, 2026 · N481AE · Bell 407 > FUEL FUMES COMING OUT OF NURSE'S STATION SEAT BELT SLOT. REPAIRED BY REMOVING ROLLOVER ACCESS PANEL AND APPLIED SEALANT AROUND THE INERTIAL REEL RESTRAINT BRACKET - [SDR DXTA2025120505944](https://openairdocs.org/sdr/DXTA2025120505944.md): Pressure Switch · faulted · Dec 2, 2025 · N374QS · Emb EMB505 > PASSING FL215 "FUEL 1 FEED FAULT" WHITE CAS DISPLAYED. ON FUEL SYNOPTIC PAGE, DISPLAYED AMBER X OVER EJECTOR PUMP 1. REMOVED AND REPLACED LEFT FAULTY PRESSURE SWITCH & REPLACED WITH NEW UNIT. REMOVED AND REPLACED RT FAULTY PRESSURE SWITCH & REPLACED WITH NEW - [SDR VNAA202511210005](https://openairdocs.org/sdr/VNAA202511210005.md): Coupling · corroded · Nov 21, 2025 · N647NN · Cndair CL6002D24 > CORROSION ON FUEL DUCTS BWT LBL 53 AND RBL 53 AND FS 797.00 AT LEFT & RIGHT MLG WHEEL WELLS. CORROSION ON FUEL DUCTS BWT LBL 53 AND RBL 53 AND FS 797.00 AT LEFT & RIGHT MLG WHEEL WELLS WAS REPAIRED PER REO 690-28-12-031 REV -. - [SDR IPXA2025110755667](https://openairdocs.org/sdr/IPXA2025110755667.md): Fuel Sys · malfunctioned · Nov 7, 2025 · N438UP · Boeing 75724APF > APPEARS TO BE MIGRATING FROM THE RIGHT TO LEFT TANK. STARTED WITH 7.2 IN LEFT TANK 7.5 IN RIGHT, 0.3 IN CENTER. AT TOP OF CLIMB LH TANK 5.8 RIGHT FUEL TANK AT 5.3 CENTER AT 0.5. - [SDR AALA202511063979](https://openairdocs.org/sdr/AALA202511063979.md): Fuel Sys · out of balance · Nov 5, 2025 · N939AN · Boeing 737823 > AIRCRAFT WAS GROUNDED: ON CLIMB OUT LESS THAN 1000 LBS IN THE CENTER TANK, GOT A FUEL IMBALANCE WITH THE LEFT TANK LOW, FUEL IMBALANCE WAS APPROXIMATELY 1200LBS. (OPEN). - [SDR YENA2025102801063](https://openairdocs.org/sdr/YENA2025102801063.md): Warning Message · illuminated · Oct 26, 2025 · N2169J · Airbus A321271NX > FLT 2233, BOS-SFO. (ETOPS) CLASS II MESSAGE FUEL. CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULTS INDICATED BY FUEL. PERFORMED FQIC BITE TEST PER AMM 28-42-00-740-001 AND 28-46-00-740-001 TEST OK. NO PREVIOUS HISTO - [SDR AALA202510305231](https://openairdocs.org/sdr/AALA202510305231.md): Fuel Sys · malfunctioned · Oct 16, 2025 · N930AN · Boeing 737823 > AIRCRAFT WAS NOT GROUNDED: AFTER TAKEOFF RECEIVED FUEL IMBALANCE OF 1200 LBS. DIFFERENCE NOTED. COMPLIED WITH CONDITIONAL INSPECTION OF FUEL IMBALANCE EXCEEDADANCE. COULD NOT DUBLICATE FUEL IMBALANCE ON GROUND. FUELED AIRCRAFT AND NO FUEL INBALANCE NOTED. PER - [SDR AALA202510175231](https://openairdocs.org/sdr/AALA202510175231.md): Fuel Sys · out of balance · Oct 16, 2025 · N930AN · Boeing 737823 > AIRCRAFT WAS NOT GROUNDED: AFTER TAKEOFF RECEIVED FUEL IMBALANCE OF 1200 LBS. DIFFERENCE NOTED. (OPEN). - [SDR YENA2025101401030](https://openairdocs.org/sdr/YENA2025101401030.md): Control Unit · faulted · Oct 13, 2025 · N2165J · Airbus A321271NX > FLT 1333, BOS-SFO. (ETOPS) CLASS II MSG MAINTENANCE MSG FUEL AT GATE; (RESOLVED ON W/O: 1449175 TASKCARD: NR-00001) AVIATAR RELATED MSGS POINT TO FIN 7QJ. REMOVED AND REPLACED FLSCU @ 7QJ AS PRECAUTIONARY T/S. OPS TEST GOOD IAW AMM 28-46-34. MDDR CLEAR. MX-4 - [SDR AALA202510138180](https://openairdocs.org/sdr/AALA202510138180.md): Fuel Sys · abnormal · Oct 12, 2025 · N951NN · Boeing 737823 > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CLIMBOUT, RIGHT FUEL QUANTITY BEGAN DECREASING RAPIDLY. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT DFW. (OPEN). - [SDR IPXA2025101600639](https://openairdocs.org/sdr/IPXA2025101600639.md): Fuel Sys · out of balance · Oct 8, 2025 · N278UP · Doug MD11F > DURING CLIMB LEVEL 2 LAT FUEL UNBAL UN COMMANDED FUEL CROSS FEED FROM TANK THREE TO ENGINE 1 FUEL DECREASING IN TANK THREE AT A RATE OF BURN FOR TWO ENGINES TANK ONE INDICATING NO DECREASE IN QUANTITY OPS CHK NORMAL OF VALVE AND NO LEAKS NOTED. - [SDR CALA2025100209532](https://openairdocs.org/sdr/CALA2025100209532.md): Battery Pack · expired · Oct 2, 2025 · N14731 · Boeing 737724 > EMERGENCY FUEL SHUTOFF BATTERY REPLACE {B737-28-3-0190} - AS PER TASK CARD. TIME CHANGE. REMOVED AND REPLACED EMERGENCY FUEL BATTERY ASSY REF AMM 28-22-14-400-801 - [SDR QXEA2025090900302](https://openairdocs.org/sdr/QXEA2025090900302.md): Fuel Feed · faulted · Sep 8, 2025 · N662QX · Emb ERJ170200LR > FLIGHT 2007. AT LOW SPEED FUEL FEED (2) FAULT APPEARED LESS THAN 40% N1. TAKEOFF WAS ABORTED. REMOVED FROM SERVICE. INFO ONLY. RESET FUEL FEED 2 IAW E175 AOM V1 3.8.25 WAS DIRECTED BY CONTROLLER 1034390 & GPM 8.2.2.4 SYSTEM RESTORED. RETURNED TO SERVICE. NO PA - [SDR QXEA2025090900303](https://openairdocs.org/sdr/QXEA2025090900303.md): Fuel Feed · faulted · Sep 6, 2025 · N658QX · Emb ERJ170200LR > FLIGHT 2014. AS THRUST WAS APPLIED 40% N1 FUEL FEED FAULT (2) APPEARED ON EICAS. REJECTED TAKEOFF AND REMOVED FROM SERVICE. INFO ONLY RESET FUEL FEED FAULT (2) IAW AOM 1 2.8.25 AS DIRECTED BY MC 1075920 AND GPM 8.2.2.4 MESSAGE CLEARED. RETURNED TO SERVICE. NO - [SDR 2025FA0000600](https://openairdocs.org/sdr/2025FA0000600.md): Servo · contaminated · Sep 1, 2025 · N23177 · Cessna 172S > FUEL SERVO FOUND TO HAVE CONTAMINATION. HEAVY THICK BLUE STAIN. - [SDR YENA2025082900899](https://openairdocs.org/sdr/YENA2025082900899.md): Control Unit · failed · Aug 28, 2025 · N2169J · Airbus A321271NX > FLT#842, DUB-BOS. (ETOPS) CLASS II MSG FUEL ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT(S) INDICATED BY FUEL. REMOVED & REPLACED FLSCU REF AMM 28-46-34-04 & PERFORMED FLSS BITE TEST REF AMM 28-46-00-740-001 - [SDR 2025FA0000601](https://openairdocs.org/sdr/2025FA0000601.md): Servo · contaminated · Aug 25, 2025 · N25113 · Cessna 172S > MOMENTARY ENGINE ROUGHNESS/VIBRATION. AIRCRAFT HAD MOMENTARY POWER LOSS AFTER ADDING FULL POWER ON A TOUCH AND GO. ABORTED TAKEOFF. TOOK AIRCRAFT TO A RUNUP AREA AND CYCLED THE ENGINE FROM POWER IDLE TO FULL POWER MULTIPLE TIMES AND COULD NOT RECREATE THE ISSU - [SDR CALA2025082608142](https://openairdocs.org/sdr/CALA2025082608142.md): Fuel Sys · faulted · Aug 24, 2025 · N14230 · Boeing 737824 > DURING FLT, CREW NOTICED FUEL BURN WAS NOT MATCHING INDICATED IN FLT PLAN REPORTS EXCESSIVE FUEL BURN AT CHECK POINTS. CONSISTENTLY 1K LBS DIFFERENCE IN ACTUAL FUEL BURNED VS WHAT FLT PLANNED HAD AT ALL CHECK POINTS IAW THEIR FLIGHT PLAN WAS SUPPOSED TO LAND W - [SDR 2025FA0000599](https://openairdocs.org/sdr/2025FA0000599.md): Servo · contaminated · Aug 22, 2025 · N300KX · Cessna 172S > FUEL SERVO FOUND TO HAVE ENGINE OIL CONTAMINATION. - [SDR CALA2025081807897](https://openairdocs.org/sdr/CALA2025081807897.md): Pump · no discrepancy · Aug 14, 2025 · N26208 · Boeing 737824 > LOW PRESSURE LIGHT FOR THE FUEL PUMP LIGHT ON CENTER TANK, LEFT PUMP CREW DEBRIEF, 2 ATTEMPTS ON L CENTR PUMP NO GOOD. ACCOMPLISHED FIM 28-22 TASK 801 INITIAL EVALUATION. FOUND GFI R54 NORMAL, LEFT CENTER TANK BOOST PUMP C/B NORMAL. UNABLE TO DUPLICATE FAULT. - [SDR CALA2025081407716](https://openairdocs.org/sdr/CALA2025081407716.md): Battery · faulty · Aug 13, 2025 · N37253 · Boeing 737824 > EMERGENCY FUEL SHUTOFF BATTERY OPS CHECK FAILED ON TEST FLIGHT PRE-FLIGHT CHECK. REMOVED AND REPLACED EMERGENCY FUEL SHUTOFF BATTERY AS PER B737 AMM TASK 28-22-14-400-801. OPS CHECKED NORMAL. - [SDR 2025FA0000598](https://openairdocs.org/sdr/2025FA0000598.md): Servo · contaminated · Aug 12, 2025 · N569RJ · Cessna 172S > MOMENTARY ENGINE ROUGHNESS/VIBRATION/ LOSS OF POWER. PILOT REPORTED:"IN THE UPWIND ON FIRST LAP IN THE PATTERN ENGINE RPM DROPPED SIGNIFICANTLY WHILE ENGINE SPUTTERED, SEEMED TO STABILIZE WITH AUX FUEL PUMP ON, DID NOT FEEL LIKE WE WERE GETTING FUEL POWER LAND - [SDR 2025FA0000596](https://openairdocs.org/sdr/2025FA0000596.md): Servo · contaminated · Aug 11, 2025 · N24239 · Cessna 172S > MOMENTARY ENGINE ROUGHNESS/VIBRATION WHILE IN THE PATTERN TURNING FROM CROSSWIND TO DOWNWIND, LOSS OF RPM. ENGINE INDICATIONS OTHERWISE NORMAL. NORMAL RUNUP. LANDED AND DID ANOTHER RUNUP WHICH WAS ALSO NORMAL. FUEL SERVO REPLACED. - [SDR CALA2025081107551](https://openairdocs.org/sdr/CALA2025081107551.md): Fuel Sys · out of balance · Aug 11, 2025 · N33289 · Boeing 737824 > AT FL320 NOTICED SIGIFICANT FUEL IMBALANCE RT TANK DROPPED 900LBS WITHIN 15 MINS TOTAL DROPED 1700LBS, CAPT REPORTED FUEL INDICATION ON RT SIDE DROPPED 900 LBS AND TOTALIZER DROPPED 1700 LBS IN FLT. CAPT CHECKED CROSS FEED VALVE IN FLT VERIFIED IT WAS CLOSED - [SDR 2025FA0000597](https://openairdocs.org/sdr/2025FA0000597.md): Servo · contaminated · Aug 7, 2025 · N1668C · Cessna 172S > MOMENTARY ENGINE ROUGHNESS/VIBRATION/ LOSS OF POWER. PILOT REPORTED:"ON TAKEOFF OUT OF LVK AT 600 AGL THE ENGINE LOST TOTAL POWER FOR A MINIMUM OF ONE SECOND. AFTER THE LOSS OF POWER THE ENGINE IMMEDIATELY CAME BACK. I ENTERED THE TRAFFIC PATTERN AND DISCONTIN - [SDR NACA2025080600002](https://openairdocs.org/sdr/NACA2025080600002.md): Control Panel · failed · Aug 6, 2025 · N567NC · Boeing 76733A > FUEL SYSTEM CONTROL PANEL HAS BROKEN KORRY LIGHT. REMOVED AND REPLACED FUEL MANAGEMENT PANEL REF 767-300 AMM 28-22-17 OPS CHECK GOOD. - [SDR AALA202507250856](https://openairdocs.org/sdr/AALA202507250856.md): Fuel Panel · faulted · Jul 17, 2025 · N913NN · Boeing 737823 > AIRCRAFT WAS NOT GROUNDED: IN FLIGHT RIGHT AFTER FUEL LOW PRESSURE LIGHT ILLUMINATED STEADY FOR SEVERAL MINUTES AND DID NOT EXTINGUISH. VERIFIED RIGHT AFT BOOST PUMP INOPERATIVE. REMOVED AND REPLACED P5 PANEL ASSEMBLY. PER AMM 28-22-43. - [SDR DALA2025063004850](https://openairdocs.org/sdr/DALA2025063004850.md): Fuel Sys · leaking · Jun 25, 2025 · N986AT · Boeing 717200 > SHIP 9584 PER ERA 621136-14AD WORKING CARD 5720-01103-01B. FUEL LEAK FOUND DURING INSPECTION OF RH WING AFT LOWER SKIN DOUBLER AT XRS=164. CORRECTIVE ACTION: COMPLIED WITH PRI 621136-14AD REV A REV 0 (7125286) - [SDR 2025F00145](https://openairdocs.org/sdr/2025F00145.md): Warning Light · multiple fail · Jun 20, 2025 · N145J · Raythn 390 > THROUGHOUT THE FLIGHT, OBSERVED THAT THE FUEL KEPT MOVING AROUND WITHOUT US MOVING THE FUEL TRANSFER SWITCH. WE WOULD EVENTUALLY TRY TO EVEN BOTH FUEL GAUGES OUT BUT THEY NEVER SEEMED TO BALANCE. THEY WOULD BALANCE FOR A SECOND, SO WE'D TURN THE FUEL SWITCH OF - [SDR IPXA2025070183508](https://openairdocs.org/sdr/IPXA2025070183508.md): Fuel Sys · inoperative · Jun 18, 2025 · N251UP · Doug MD11F > **SUPPLEMENTAL SDR** DURING FLIGHT AT FL390 WE GOT A LEVEL 1 TANK 2 PUMPS OFF. FUEL SYSTEM WAS IN MANUAL MODE PER MEL 28-01-1-2. THIS WAS FOLLOWED BY A LEVEL 2 ENG 2 RPM LO. THE ENGINE 2 FLAMED OUT. WE STARTED THO DRIFT CONSULTED WITH SME IN PPE AND TECH. ALL - [SDR AALA202506238865](https://openairdocs.org/sdr/AALA202506238865.md): Relay · failed · Jun 17, 2025 · N976AN · Boeing 737823 > AIRCRAFT WAS NOT GROUNDED: AFTER ENGINE STARTED WITH BOTH CENTER PUMP FUEL SWITCHES IN THE ON POSITION, THE RIGHT CENTER FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. PRIMED PUMP 28-22-41. REPLACED R55 CONTROL RELAY (AALA202506238865) AND K9901 INPUT RELAY ( AALA2 - [SDR AALA202506239921](https://openairdocs.org/sdr/AALA202506239921.md): Relay · failed · Jun 17, 2025 · N976AN · Boeing 737823 > AIRCRAFT WAS NOT GROUNDED: AFTER ENGINE STARTED WITH BOTH CENTER PUMP FUEL SWITCHES IN THE ON POSITION, THE RIGHT CENTER FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. PRIMED PUMP 28-22-41. REPLACED R55 CONTROL RELAY (AALA202506238865) AND K9901 INPUT RELAY ( AALA2 - [SDR F3LA202506090246](https://openairdocs.org/sdr/F3LA202506090246.md): Computer · faulted · Jun 8, 2025 · N309FR · Airbus A320251N > AC WAS PULLED OOS FOR THIS EVENT. REFERENCE LP493674 ITEM 1, ALMOST 3000LB FUEL IMBALANCE ON A 2.5 HOUR FLIGHT. RIGHT SIDE LOW. CORRECTIVE ACTION: REF NR-137619 -R/R FQIC 3QT OPS CK OK. REF AMM 28-42-34-000-001-A, 28-42-34-400-001-A. - [SDR HALA20250525149](https://openairdocs.org/sdr/HALA20250525149.md): Master Switch · malfunctioned · May 23, 2025 · N4663K · Airbus A330343 > ETOPS - FUEL ENG 1 + 2 LP VALVE FAULT. FUEL SDP FUEL LINES PARTIALLY CLOSING& AMBER. REPLACED ENG 2 MASTER SWITCH SLAVE RELAT 3QG2 PER AMM 28 - 24 - 02. INSPECTED & CLEANED ENG 1 AND ENG 2 MASTER SWITCH NO FAULTS NOTED. PERFORMED LP VALVE MOTOR CHECK PER AMM 2 - [SDR DXTA2025050603378](https://openairdocs.org/sdr/DXTA2025050603378.md): Switch · out of position · May 7, 2025 · N576QS · Cessna 560XL > FUEL CROSSFEED HARDWARE: CROSSFEEDING LEFT TO RIGHT, BOTH FUEL BOOST L AND R ILLUMINATED ALONG WITH BOTH LO FUEL PRESS L AND R. CAME OUT OF CROSSFEED AND BOTH LO PRESS L AND R LIGHTS EXTINGUISHED. BOTH L AND R FUEL BOOST REMAINED ILLUMINATED. FOLLOWED THE C - [SDR DXTA2025050203276](https://openairdocs.org/sdr/DXTA2025050203276.md): Control Valve · faulted · Apr 29, 2025 · N372QS · Cessna 680SOV > RIGHT ENGINE ENGINE COMPRESSOR STALL: AT APPROX. 42000FT IN THE DECENT, A COMPRESSOR STALL WAS FELT FOR ABOUT 5-10 SECONDS, AIRCRAFT VIBRATION WAS FELT AND LOUD BANGING NOISE WAS HEARD. THE R ENGINE SHUTDOWN BLUE ADVISORY MESSAGE WAS ALSO DISPLAYED WITH N1, N2 - [SDR YENA2025042500436](https://openairdocs.org/sdr/YENA2025042500436.md): Warning Message · false activation · Apr 25, 2025 · N4048J · Airbus A321271NX > FLT#7, JFK-LHR. (ETOPS). FUEL CLASS II MX MSG ON ECAM ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT(S) INDICATED BY FUEL); PERFORMED BITE TEST OF FLSS PER AMM SUBTASK 28-46-00-740-051-H. NO FAULT NOTED AT THIS Next page: https://openairdocs.org/jasc/2800/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 = '2800' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/jasc/2800/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.