JASC 4930
Service difficulty reports · 1,087
Reports filed under 4930 · APU Engine Fuel and Control, 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 = '4930' 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.
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 = '4930' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR YENA2026100900933Pump · failedFLT 033, BOS-CDG. (ETOPS) AT PREFLIGHT APU START APU FUEL LO PR ECAM (APU FUEL PUMP). R & R APU FUEL PUMP IAW AMM 28-22-51. OPS & LEAK CHKD GOOD. FAULT IS CLEARED. MX-4 UPDATED. PLACARD RMVD.SDR AALA202610108558Fcu · leakingAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORTED A CRAYON TYPE BURNING SMELL DURING APPROACH AND TAXI AFTER LANDING. SMELL DISSIPATED AFTER SINGLE ENGINE TAXI - MAINTENANCE FOUND THE APU GEARBOX VENT LINE HAD EVIDENCE OF COKING AND REPLACED IT *AALA2026101043SDR CALA2026092119558Packing · leakingODOR IN A/C APU SUPPLYING PACKS FOUND APU FUEL CONTROL CLUSTER LEAKING. O-RINGS NEED TO BE REPLACED. EIGHT O-RINGS WERE CHANGED ON THE APU FUEL CONTROL UNIT IAW AMM 49-11-00. OK TO CONTINUE.SDR DALA2026092205276Packing · leakingAFTER APU START HAD A FUEL ODOR AFTER SHUT DOWN, IT BEGAN TO DECREASE. BOTH PACKING ON FUEL SUPPLY TUBE FUEL CONTROL UNIT REPLACED PERFORMED AS PER AMM 45-31-01(9513560)(AIRCRAFT GROUNDED)SDR AALA202608215048Fcu · leakingAIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED DIRTY SOCK SMELL WITH APU ON - MAINTENANCE FOUND THE APU AIR INTAKE PLENUM ASSEMBLY SATURATED IN OIL AND NOTED OIL OUTSIDE THE FCU DRAIN - MAINTENANCE REPLACED THE FCU *AALA202608215048* AND THE APU INTAKE PLENUM ASSSDR CALA2026070717599Packing · leakingCREW REPORTED FUEL ODOR FROM PACKS. FOUND SUBSTAINTIAL FUEL LEAK FROM APU ACCESS DOOR AND 313AL (APU CONTROL BAY ACCESS DOOR). REPLACED PACKINGS FROM THE SUPPLY TUBES FOR THE IGV ACUATOR AND CONTROL VALVE IAW AMM 49-31-01. OP CHECK AND LEAK CHECKED GOOD.SDR SWIA2026070176357Solenoid Valve · odorDURING CRUISE, SMELL OF FUEL IN COCKPIT. FA REPORTED SMELL OF FUEL IN THE CABIN. SMELLED STRONGER TOWARD THE REAR OF CABIN. (FLIGHT 5137) FOUND APU FUEL SHUT OFF SOLENOID VALVE LEAKING. REMOVED AND REPLACED THE APU FUEL SHUT OFF SOLENOID VALVE REF AMM 49-31-SDR CALA2026060916951Fcu · faultedWITH APU RUNNING EXHAUST FUMES ENTERING AIRCRAFT.DURING TRANSIT CHECK FOUND BIG FUEL LEAK FROM FCU APU , CHECKED WITH ALL MAIM FUEL PUMPS ON ,APU OFF NO MORE LEAKS NOTED ,FOR THAT REQUEST DISPATCH A/C IAW MEL 4911F MEL 4911F PLEASE APPLY 4911D AS PREVIOUSLY AGSDR AALA202606038566Fcu · leakingAIRCRAFT WAS GROUNDED: FLIGHT DECK EXPERIENCED MODERATE "MOLDY SOCK" ODOR DURING IDLE POWER DESCENT INTO CLT. THE ODOR STRENGTH REDUCED IN INTENSITY WITH ENGINE N1 LEVELS WERE ABOVE 64%. ODOR WAS NOT NOTICEABLE ON GROUND DURING TAXI TO GATE OR ON APU BLEED SUPSDR AALA202604205833Fcu · leakingAIRCRAFT WAS GROUNDED: WITH APU BLEED ON, STRONG FOUL SMELL. AFTER ENGINE START AND APUSELECTED OFF, SMELL DISSIPATED. ON DESCENT WITH ENGINES IDLE, SMELL CAME BACK.SINGLE PACK OPERATION AS WELL. #2 PACK WAS SELECTED OFF PER MEL. MAINTENANCE REPLACED APU FCU ISDR YENA2026041000386Pressure System · failedFLT# 724, LAX-JFK. (ETOPS) "APU AUTOSHUTDOWN; REMOVED AND REPLACED SWITCH PRESSURE 7QC IAW AMM 28-22-83 OPS CHK GOOD A/C OK FOR CONT. SVC"SDR CALA2026040615069Fuel Line · leakingWHEN PACKS ARE RUNNING ON APU BLEED STRONG FUEL OR EXHAUST SMELL INBD CREW REPOERTED ONLY SMELL WHEN USING THE APU. AFTER TAKEOFF SMELL WENT AWAY. WHEN APU STARTED AGAIN IN EWR SMELL CAME BACK. CONFIRMED STRONG FUEL SMEEL THROUGHT THE CABIN. AND FLIGHT DECK. FSDR CALA2026040615068Seal · leakingAPU LEAKING, SMELLS LIKE GAS IN AIRPLANE FOUND DEFECTIVE APU FUEL POWER UNIT LINE SEAL, R/R APU FUEL POWER UNIT SEALS PER IPC 49-31-00-02 ITEM 5,15,20. OPERATED APU NO LEAKS NOTED AT THIS TIME AND NO SMELL OF FUEL NOTED.SDR YENA2026032700343Fuel Control · failedFLT # 8580 MLB- JFK (ETOPS). " APU AUTO SHUTDOWN.; REMOVED AND REPLACED FCU IAW AMM 49-32-11. OPS CHK GOOD. A/C OK FOR SVC. NO LEAKS NOTED.SDR DALA2026031101673Actuator · leakingDURING TAXI OUT, STRONG FUME ODOR FILLED THE FLIGHT DECK. FO DID NOT NOTICE (BUT SAID HE HAS BAD SENSE OF SMELL) STRONGER ODOR AFTER PARKING AT GATE. SMELLED LIKE EXHAUST NOTICED ON ARRIVAL PREV FLIGHT A SMELL BUT IT WAS QUICK AND I WASN'T SURE OR WAS ABLE TO SDR HNAA2026030200165Gasket · leakingAMMAENDED: STRONG FUEL SMELL/ODOR ENTERED COCKPIT AND CABIN ON APU START HAS EXTENSIVE HISTORY - APU FAIL ON EICAS MESSAGE ALSO DISPLAYED MEL 02MAR26 11:53 GRR C06116 49-1 APU AUXILIARY POWER UNIT DFRL 04MAR26 08:46 SBY ENGINE PROGRAMS DEPARTMSDR AALA202602183501Fcu · leakingAIRCRAFT WAS GROUNDED: AIRCRAFT HAD SUBTLE HINTS OF ODOR SIMILAR TO SOF EVENT BUT NOT BAD ENOUGH OR PERSISTENT ENOUGH TO WARRANT ACTION AIRBORNE. IT WAS NOTICEABLE FOR A SHORT TIME DURING ENGINE START AND TAXI BUT THEN DISSIPATED, AND AGAIN IN A SIMILAR FASHIOSDR AALA202602189663Fcu · odorAIRCRAFT WAS GROUNDED: INBOUND FLIGHT ATTENDANTS REPORTED THAT ON THE DECENT IN THE KEY WEST BELOW 10,000 FT THEY SMELT A VERY STRONG OILY, CAR GARAGE, MUSTY SOCK ODOR SMELL ONE OF THEM FELT FLUSH THE OTHER ONE BEGAN TO GET SYMPTOMS OF A HEADACHE. DURING PRE-SDR CALA2026021013647Packing · leakingPUDDLE OF LIQUID UNDERNEATH APU. LIQUID APPEARS TO BE DRIPPING FROM APU. UPON INSPECTION OF APU, FOUND APU RETURN TUBE FOR THE IGV ACTUATOR AND SURGE CONTROL VALVE LEAKING . R & R PACKINGS IAW AMM 49-31-01. OPS & LEAK CHKD GOOD. NO FUEL ODORS NOTED.SDR YENA2026020900159Fcu · leakingFLT 471, LGA-FLL, F4 REPORTED ODOR EVENT BELOW 10000 FT DECENDING INTO FLL DESCRIBED AS METALLIC CHEMICAL ODOR AND FEELING LIGHT HEADED AND HAVING A HEADACHE.; COMPLIED WITH INFO-NOTICE 2017-T015 M . IDENTIFIED SOURCE OF ODOR TO APU FCU FUEL DRIP FROM DRAIN SDR CALA2026011913037O-Ring · leakingAPU LEAKING FUEL STRONG ODER OF FUEL IN CABIN. APU FUEL SUPPLY LINE [6] MM 49-31-01-004-001-001 (401) FIG 401 SHEET 2 (SUPPLY TUBE FOR THE IGV ACT AND SURGE CONTROL VALVE LEAKS ). CLEANED RESIDUAL FUEL FROM APU COMP. LINE IS SECURED. CURRENTLY NO SMELL IN THSDR DALA2026011900408Actuator · leakingPRE-DEPARTURE UPON USING APU BLEED FOR ACFT, WE EXPERIENCED MILD FUMES CONTINUED FOR 1 MINUTE. FOUND APU IGV ACTUATOR LEAKING FUEL, REPLACED APU IGV ACTUATOR IAW AMM 49-23-51 AND PERFORMED APU WASH. (LP 8062337)SDR FDEA202601060006Valve · leakingDURING POST FLIGHT WALK AROUND FOUND FUEL LEAKING FROM LEFT WING AFT SPAR FWD OF LMLG, SHUT DOWN THE APU AND FUEL STOPPED LEAKING. VERIFIED FUEL LEAK AT APU FUEL SHUTOFF VALVE V96 AND THAT WITH FUEL PUMPS ON AND APU OFF "FSV CLOSED" THE FUEL HAS STOPPED LEAKSDR NACA2025123000001Actuator · failedAPU FUEL SHUT OFF VALVE FAILED AN OPS CHECK. APU FIRE SWITCH CHECK, DOES NOT CLOSE OR OPEN ELECTRICALLY. R & R THE APU SHUT OFF VALVE ACTUATOR IAW AMM 28-25-00-004-032, & AMM 28-25-02-404-008 STEPS 3.G. (3) - 3.G (8). PERFORMED APU FUEL FEED SYS TEST. TESSDR YENA2025102101045Valve · leakingFLT#429, PHL-FLL. F/AS ADVISE CABIN ODOR SMELL ON AIRCRAFT; COMPLIED WITH ALL TASKS ASSIGNED TO W/O 1448876. APU & COMP CLEANING. FOUND APU FCU LEAKING, FOUND SURGE VLV LEAKING, FOUND IGV ACTUATOR LEAKING. A LVL B ECS DECONTAMINATION WAS COMPLIED WITH. INSPECTSDR CALA2025101610165O-Ring · leakingFUEL FUMES IN THE CABIN AND COCKPIT CONFIRMED FUEL ODOR COMING FROM BOTH PACKS. T/S TO APU FUEL LEAKING FUEL. APU FIRE HANDLE PULLED. INSPECTED APU, FOUND LEAK AT FUEL LINE. REMOVED AND REPLACED RECIRCULATION AIR FILTERS IAW AMM 21-25-02 AS PRECAUTION IAW AMMSDR I5PA2025101375701Shutoff Valve · faultyFLT: MGE831, APU FUEL VAL EICAS. R & R APU FUEL SHUTOFF VALVE IAW AMM, OPS CHECK NORMAL.SDR YENA2025101401033Fcu · leakingFLT 189, JFK-SAN. DESCENDING THROUGH 9000 FT ON ARRIVAL, FLIGHT ATTENDANT IN AFT GALLEY REPORTED FUMES (DIRTY SOCK SMELL). NO SMELL REPORTED IN FORWARD GALLEY. FOUND FCU LEAKING, R & R IAW AMM 49-32-11, LEVEL A DECON IAW AMM 21-00-00,SDR CALA2025092509249Drain Line · cloggedFUEL ODOR IN CABIN WITH APU DEBRIEFED CREW, FUEL ODOR DURING APU BLEED ON. SMELLED ODOR IN FLIGHT DECK FOR A FEW MINS. PARAMETER WERE NORMAL. TALKED TO FA, FA DID NOT SMELL ANY ODOR. .INSPECTED APU COMPARTMENT. FOUND FUEL BACKED UP IN AFT DRAIN LINE. SUSPECTESDR CALA2025090808562Fuel Control · leakingUPON APU START CABIN FILLED WITH FUEL VAPOR. SHUTDOWN APU UPON INSP OF APU FOUND FUEL LEAK FROM APU FUEL CONTROL FOUND APU FUEL CONTROL LEAKING. SHUT DOWN APU AND VERIFIED FUEL LEAK STOPS WITH SWITCH OFF AND BOOST PUMPS. REQUESTING MEL FOR APU INOP. DDP COMPLISDR CALA2025090208342Fuel Sys · leakingCREW REPORTS FUEL SMELL IN CABIN. FUEL FOUND LEAKING FROM APU COPMARTMENT. APU FUEL CONTROLLER LEAKING AT SURGE CONTROL VALVE SUPPLY AND RETURN LINES. REMOVED SUPPLY LINES TO IGV ACTUATOR, FUEL FLOW DIVIDER, AND SCV REF AMM TASK 49-31-01-004-001-001. FOUND PACSDR NACA2025081900001Shutoff Valve · stuckAPU ECU SELF TEST SHOWS FAULT IGV ACT. PERFORMED APU ECU BITE TEST IAW AMM 49-61-05-742-045. NO FAULTS FOUND. BITE TEST PASSED. FOUND APU SHUTOFF VALVE STUCK IN CLOSED POSITION & RELEASED THE VALVE, SYSTEM CHECKED OK IAW AMM 49-11-00-802-002.SDR CALA2025081407732Packing · leakingODOR IN CABIN DURING APU VISUAL INSPECTION, FOUND APU FCU LEAKING FUEL AT IGV ACTUATOR LINES ON FCU SIDE, R & R FUEL DRAIN, RETURN TUBE & TWO SUPPLY TUBE PACKINGS TO FCU IAW AMM 49-31-01-004-001-001. OPS & LEAK CHECKS PERFORMED. NO LEAKS NOTED. PERFORMED CHECSDR YENA2025081300830Pressure Switch · faultedFLT#2288, JFK-AMS. (ETOPS) APU FUEL LO PRESS ON APU PAGE ( APU SYSTEM A321NEO ETOPS ); REMOVED AND REPLACED APU FUEL PUMP PER AMM 28-22-51 OPS CHK GOOD MX-4 UPDATED PLACARD REMOVED.SDR CALA2025080507288O-Ring · deterioratedSIGNIFICANT FUEL SMELL THROUGHOUT CABIN WHILE DOING EXTERIOR WALKAROUND FOUND APU LEAKING FUEL. UPON FURTHER INSPECTION FOUND FUEL LINES GOING TO APU FUEL CONTROL LEAKING FUEL. REMOVED FUEL TUBES TO FUEL CONTROL UNIT. FOUND O-RINGS DETERIORATED. REPLACED O-RISDR YENA2025072100736Fcu · failedFLT#1333, BOS-SFO. (ETOPS) APU FAILED TO START IAW A49-00-01A. 3 START ATTEMPTS MADE OAT - 48 FL 360 ( APU SYSTEM A321NEO ETOPS ); REMOVED AND REPLACED APU FCU IRT AMM 49-32-11. OPS CHK SATISFACTORY. THIS CLEARS MDDR #588838. MCC NOTIFIED. MX-4 UPDATED. PLACARSDR HALA20250715214Fuel Control · faultedETOPS - APU AUTO SHUTDOWN @ 80%. REMOVED & REPLACED APU FUEL CONT UNIT IAW AMM 49-32-51-000/400-801A. BLEED/LEAK /OPS CHECK GOOD. OK FOR SVCSDR CALA2025070806313Fuel Sys · leakingTOXIC FUMES IN CABIN. APU FUEL LEAK. RAN BOTH PACKS, INSPECTED THE CABIN AND PERFORMED INSPECTION IAW AMM 05-54-56. NO SIGN OF ODOR FUMES THROUGHOUT THE CABIN.SDR DALA2025063004847O-Ring · leakingCREW NOTED, FUEL SMELL IN CABIN. CORRECTIVE ACTION: FOUND FUEL LEAK AT APU INLET GUIDE VANE SURGE CONT. VALVE SUPPLY LINE. R+R O-RING ON LINE PER B767 AMM 49-31. R+R O-RINGS ON OTHER SUPPLY RETURN + DRAIN LINES AS PRECAUTIONARY MEASURES, PER B767 AMM 49-31. NOSDR WX0A2025063032477Fuel Control · leaking(AIRCRAFT NOT GROUNDED) FLIGHT ATTENDANT REPORTS DIRTY SOCK SMELL AT 18,000 FEET IN DECENT. / TC 21-000-001 ACCOMPLISHED, FOUND AND CLEANED OFF OIL AROUND INLET OF APU PLENUM AND EDGE OF INLET SCREEN. RAN BOTH PACK INDIVIDUALLY WITH APU, ENG 1, AND ENG 2 SEPARSDR YENA2025062300646Fuel Control · failedFLT#2220, LHR-JFK. (ETOPS) 'APU AUTO SHUTDOWN; REMOVED AND REPLACED APU FUEL CONTROL UNIT IAW AMM 49-32-11. OPS CHECK GOOD. NO LEAKS FOUND.'SDR YENA2025061300604Fuel Filter · failedFLT#2220, LHR-JFK. (ETOPS). 'APU FAILED AFTER COLD SOAK START (3) ATTEMPTS ( APU SYSTEM A321NEO ETOPS ); FOLLOWED TSM 49-00-81-810-821-A. REPLACED FUEL FILTER IAW AMM 49-32-41 AND IGNITER PLUG IAW AMM 49-41-41. MDDR CLEAR. MX-4 UPDATED. PLACARD REMOVED. APU OSDR HALA20250611176Fuel Control · faultedETOPS - AFTER THE LANDING APU FAULT. REMOVED AND REPLACED FUEL CONTROL UNIT AT APU PERFORMED TEST ARE OK A/C IS OK TO CONTINUE IAW AMM 49-32-51-400-801-ASDR YENA2025060400564Pump · illuminatedFLT#324, LAX-JFK. (ETOPS). APU CLASS II MESSAGE ( CLASS II MAINTENANCE MESSAGES DISPLAYED ). REPLACED APU FUEL PUMP REF LP 4302345-1 MX-4 UPDATED, PLACARD REMOVED.SDR UIEA2025052100663Fuel Filter · not reportedAPU REQUIRES REPLACEMENT OF FUEL FILTER AT OR BEFORE 450 FLIGHT HOURS PER AMM 28-11-00-582-342. REMOVED FILTER IAW 767 AMM 49-31-04-004-001. FILTER GOOD TO INSTALL. INSTALL FILTER IAW 767 AMM 49-31-04-404-006. CONDUCT LEAK AND OPS CHECK, NO LEAKS OBSERVED & OSDR HALA20250512130Apu · shutdownETOPS - APU AUTO SHUTDOWN. BLED APU FUEL LINE AND REMOVED AND REPLACED FUEL TRIM PIPE ISOLATION VALVE ACTUATOR IAW AMM28-27-53-400-801-A PERFORMED TEST IS OK IAW AMM 49-00-00-860-801A A/C OK TO CONTINUESDR HALA20250421111Pressure Switch · inoperativeETOPS-AFTER LANDING DURING APU START APU AFT PUMP FAULT. REMOVED AND REPLACED APU LOW FUEL PRESSURE SWITCH PER AMM 49-31-000-801-A PERFORMED OPS CHECK GOOD LEAK CHECK GOOD BITE TEST GOOD OK TO CONTIUE SERVICE.SDR HALA20250421110Fuel Filter · faultedETOPS-APU AUTO SHUTDOWN TWICE ON STARTUP. FOUND CLOGGED OIL FILTER GEN SCAV + LUBE FILTERS MSG. REMOVED AND REPLACED OIL FILTERS APU. OPS AND LEAK CHK GOOD REF AMM49-91-41. REMOVED AND REPLACED APU FUEL FILTER PER AMM 49-32-41-920-001-A. OPS CHECK GOOD NO LEAKSDR YENA2025041600405Pump · failedFLT#34, CDG-BOS. '(ETOPS) 'APU CLASS 2 MAINTENANCE MESSAGE AT SHUTDOWN'; REMOVED AND REPLACED APU FUEL FILTER IAW AMM 49-32-41 AND REMOVED AND REPLACED APU FUEL PUMP IAW AMM 28-22-51 OPS NORMAL AT THIS TIME.SDR HALA20250407102Pump · faultedETOPS - FUEL APU AFT PUMP FAULT CAME ON AFTER START UP. REMOVED AND REPLACED APU AFT FUEL PUMP PER AMM 28-22-52. OPS AND LEAK CHKS OK. OK FOR SVC. NO FAULTS NOTED
Back to JASC 4930