JASC 4990

Service difficulty reports · 2,654

Reports filed under 4990 · APU Oil System, 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 = '4990'
  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 DALA2025072305533Oil System · leakingAIRCRAFT 5005, STRONG DIRTY SOCK ODOR ON GROUND WITH APU RUNNING. ODOR THROUGH ENTIRE AIRCRAFT. FOUND OIL CONTAMINATION IN APU INLET SURROUNDING AREAS. ECS DECONTAMINATED COMPLETED PER WC # 2100-2005, AMDS WC# 0550-9001-A320FAM ALSO COMPLETED. (LP 6995532, 1Jul 21, 2025 · N505DZ · Airbus A321271NXSDR DALA2025072405549Oil System · leakingSHIP 3236 ON TAXI IN AFTER APU BLEED SELECTED ON, EXPERIENCED MUSTY GYM SOC SMELL. CONCERNED ABOUT POSSIBLE OIL CONTAMINATION IN BLEED SYSTEM SMOKE & FUMES QUESTIONAIRE COMPLETED ELECTRICALLY. REF LOG 1091553 FOR CORRECTIVE ACTION NO OIL CONTAMINATION FOUND Jul 20, 2025 · N336NW · Airbus A320212SDR YENA2025072100737Oil Filter · faultedFLT#1926, LGW-BOS. (ETOPS) SECOND TIME WRITE UP APU AUTO SHUTDOWN AFTER COMING ONLINE FOR 30 SECONDS ( APU SYSTEM A321NEO ETOPS ); REPLACED SCAVENGE & LUBE FILTER IAW AMM 49-91-41. OPS CHECK NORMAL. NO LEAK. PERFORMED MULTIPLE CYCLES OF APU, NO FAULTS NOTED.Jul 19, 2025 · N2156J · Airbus A321271NXSDR NACA2025071600003Packing · leakingFOUND APU OIL QTY TRANSMITTER PACKING LEAK. REMOVED AND REPLACED APU OIL QTY TRANSMITTER PACKING PER 767-300 AMM 49-49-04Jul 16, 2025 · N566NC · Boeing 7673BGSDR NACA2025071600002Packing · leakingFOUND APU OIL QUANTITY MTR PACKING LEAK. REMOVED AND REPLACED THE APU OIL QTY TRANSMITTER PACKING AS PER B767-300 AMM 49-49-04 REV 145Jul 16, 2025 · N566NC · Boeing 7673BGSDR DALA2025071605344O-Ring · leakingSHIP 3142, FUMES SMELL IN FLIGHT DECK AFTER RUNNING PACKS ON APU AT GATE DURING BOARDING. COMPLETED LEAK CHECK OF AIR OIL SEPERATOR PER AMM 49-26-54. NO LEAKS FOUND. REPLACED GENERATOR SCAVENGE FILTER AND O-RING REF AMM 49-91-41.Jul 15, 2025 · N342NB · Airbus A319114SDR 3EJA835JS071125Oil System · leakingCLIMBING THROUGH 6000FT WE NOTICED SMOKE IN THE CABIN WITH A DISTINCTIVE BURNING SMELL. APU REMOVED AND SENT OFF FOR REPAIR COMPRESSOR SEAL.Jul 11, 2025 · N835JS · Cessna 560XLSDR AALA202507148943Oil System · leakingAIRCRAFT WAS GROUNDED: VOMIT SMELL THROUGHOUT AIRCRAFT INTENSIFIED DURING TAKE OFF AND DESCENT. MAINTENANCE FOUND THE APU TO BE LEAKING INTERNALLY AND REPLACED IT PER TASK CARD 26L31049003. A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM WAS ACCOMPLISHEDJul 10, 2025 · N915US · Airbus A321231SDR AALA202507139555Lubrication Unit · odorAIRCRAFT IN BASE MAINTENANCE: DURING TROUBLESHOOTING OF MIC 1324327, UPON ENGINE 2 START UP, BURNED OIL WAS SMELLED IN CABIN (SOF EVENT). ACCOMPLISHED J/C 08L00021001 AND FOUND APU TO BE THE SOURCE OF ODOR, REMOVE AND REPLACED APU LUBE MODELE. PER AMM 49-91-11Jul 10, 2025 · N936NN · Boeing 737823SDR DALA2025070905183Oil System · leakingSHIP 3145 FA'S NOTICED AN ODOR, THEY DESCRIBED AS "MOLDY". IN COCKPIT WE SMELLED WAXY SCENT. WENT AWAY ON LANDING. AT GATE W/ APU ON OIL SMELL IN COCKPIT. PERFORMED LEVEL B CONTAMINATION OF ECS PER A321 AMM 21-0. R/R RECIRC FILTERS PER A321 AMM 21-21. (72919Jul 9, 2025 · N345NB · Airbus A319114SDR WX0A2025070932495Oil System · leaking(AIRCRAFT NOT GROUNDED) DURING DESCENT ALL CREWMEMBERS DETECTED DIRTY SOCK ODORS. REF LP 1967836. REPLACED FCU PER AMM 49-32-11-000/400-003-A. LEAK CHECK GOOD. NO LEAKS NOTED AT THIS TIME. PER TC 21-000-001 LEVEL 2 DUE. (RESOLVED ON W/O: 525871 TASKCARD: NR-0Jul 7, 2025 · N279NV · Airbus A320214SDR WX0A2025070732493Oil System · leaking(AIRCRAFT GROUNDED) DIRTY SOCK ODOR REPORTED BY LEAD FA DURING CRUISE SMELL DETECTED IN ROWS 1-6 / (RESOLVED ON W/O: 525552 TASKCARD: NR-00001 ) REF WO# 525552 COMPLIED WITH LEVEL 2 TASK CARD A32X-21-000-002. (RESOLVED ON W/O: 526075 TASKCARD: NR-00002 ) REJul 3, 2025 · N198NV · Airbus A320214SDR AALA202507061123Vent · leakingAIRCRAFT WAS GROUNDED: PACKS HAS AN OIL SMELL. BELIEVED TO BE COMING FROM PACK 1. MAINTENANCE FOUND COKING ON THE GEARBOX VENT TUBE UNION. MAINTENANCE REPLACED GEARBOX VENT TUBE AND UNION, AND REPLACED ALL ASSOCIATED SEALS ON THE APU AIR/OIL SEPERATOR IAW JOB Jul 1, 2025 · N765US · Airbus A319112SDR DALA2025070104938Gasket · leakingSHIP 3273 PRIOR TO BOARDING, NOTICED DIRTY SOCK ODOR IN CABIN. SMELL WENT AWAY WITH APU BLEED CLOSED. CLEANED APU AIR INTAKE & COMPARTMENT PER WORK CARD 4916-2001( 671052) C/W AMDS WORKCARD 4900-2001. FOUND OIL PUMP GASKET IN POOR CONDITION, R&R GASKET PER AJun 30, 2025 · N373NW · Airbus A320212SDR YENA2025063000662Oil System · leakingFLT#1434, SJU-MCO. "INFLIGHT CREW COMPLAINING OF A STRONG ODOR IN THE AFT OF THE AIRCRAFT FLIGHT ODOR SURVEY COMPLETED; COMPLIED WITH INFORMATION NOTICE 2017-T015 OIL B2 TYPE 1 APU OIL LEAK DECONTAMINATION LEVEL A WAS ACCOMPLISHED PER TSM 05-50-00-510-085-B."Jun 28, 2025 · N547JB · Airbus A320232SDR AALA202507098827Oil System · leakingAIRCRAFT WAS GROUNDED: ODOR IN CABIN AND FLIGHT DECK ON TAXI OUT AND IN CLIMB, MUSTY/DIRTY SOCK SMELL. MAINTENANCE FOUND THE APU LEAKING OIL AND REPLACED IT PER TASK CARD 26L31049003. A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM WAS ACCOMPLISHED PERJun 27, 2025 · N164NN · Airbus A321231SDR WX0A2025062332472Gasket · leaking(AIRCRAFT NOT GROUNDED) FA'S REPORT ON DESCENT THE DIRTY SOCKS SMELL IN THE AFT GALLEY/CABIN STARTED AT 18000 FOR 10 MIN AND DISSIPATED BEFORE LANDING / (RESOLVED ON W/O: 524910 TASKCARD: NR-00001 ) COMPLETED TASK CARD 21-000-002. NO SMELL DETECTED. FOUND OILJun 23, 2025 · N307NV · Airbus A319112SDR CALA2025062305793Apu · faultedDUE TO REPEAT DISCREPENCY FOR DIRTY SOCK SMELL IN CABIN, THIS REQUIRES FURTHER TROUBLESHOOTING. REF L/P 5247674 AND 5245675 FOR PREVIOUS WORK PERFORMED. REMOVED APU BLEED DUCT AND PERFORMED VISUAL INSPECTION OF ANY FOD OR DEBRIS. FOUND BLEED DUCT TO BE SERVICEJun 19, 2025 · N824UA · Airbus A319131SDR AALA202506193209Separator · leakingAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTS MUSTY SMELL IN CABIN ON ARRIVAL DESCENT. MAINTENANCE FOUND THE APU AIR /OIL SEPERATOR LEAKING OIL AND REPLACED THE SEAL PER AMM 49-26-54. A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM WAS ACCOMPLISHED PERJun 18, 2025 · N980UY · Airbus A321231SDR HALA20250616180Fcu · leakingETOPS - FOUND OIL DRIPPING FROM FORWARD DRAIN MAST ON APU. REPLACED APU FCU PER AMM 49-32-51. OPS CHECK OK. NO LEAKS NOTEDJun 13, 2025 · N385HA · Airbus A330243SDR YENA2025061100579Oil System · leakingFLT#1858, AUA-JFK. 'FUME IN COCKPIT DESCENDING BELOW 12K DIRTY SOCK SMELL. NO ODOR IN BACK, FA'S SAID NOTHING; PERFORMED DETAILED VISUAL INSPECTION OF APU, FOUND NO EVIDENCE OF OIL OR LEAKS. SERVICED 1QT OF OIL PER AMM 12-13-49. PACK BURN ACCOMPLISHED PER INFOJun 9, 2025 · N598JB · Airbus A320232SDR HALA20250609172Drain Line · leakingETOPS - APU LEAKING OIL FROM ACCESSORY DRAIN LINE (FWD DRAIN LINE). REPLACED APU FCU PER AMM 49-32-51 LEAK CHECK GOOD. NO LEAKS NOTED. OK FOR SVC.Jun 6, 2025 · N399HA · Airbus A330243SDR WX0A2025060932451Packing · leaking(AIRCRAFT NOT GROUNDED) FA'S REPORT MUSTY ODOR AT ROWS 18-23 IN CRUISE AND ON DESCENT. ACCOMPLISHED TASK CARD 21-000-002. DURING 21-000-002 TASK CARD FOUND OIL SEEPING FROM APU OIL COOLER TRANSFER TUBES FWD CONNECTIONS. REMOVED AND REPLACED PACKINGS FOR APU Jun 6, 2025 · N296NV · Airbus A320214SDR WX0A2025060932450Apu · contaminated(AIRCRAFT NOT GROUNDED) FLIGHT ATTENDANTS AND PAX REPORTED DIRTY SOCK SMELL AS WE STARTED TO DESCEND / DURING T/C 21-000-002 AFTER CLEANING APU & RUNNING FOUND OIL ON APU AIR INLET PLENUM FLANG AND INLET SCREEN. PERFORMED TASK CARD 21-000-003 FOUND APU TO BE CJun 6, 2025 · N302NV · Airbus A319112SDR NACA2025060500001Bleed Air Sys · no discrepancyL ENG BLEED DOES NOT CLOSE ON ENGINE SHUTDOWN. CAUSES A LOUD NOISE WITH AIR RUSHING FROM APU BLEED. PERFORMED L ENGINE IDLE RUN PER AMM 71-00-00 L ENG BLEED VALVE OPERATED NORMALLY. AFTER ENGINE SHUTDOWN NO LEAKS NOTED WITH APU BLEED AIR IAW AMM 49-11-00Jun 5, 2025 · N567NC · Boeing 76733ASDR HALA20250606165Oil System · leakingETOPS - DURING PREFLIGHT WHOLE ENTIRE AIRCRAFT SMELLS BAD (SMELLS LIKE ROTTEN RUBBISH) AS TIME PROGRESS TENDS TO GET BETTER. PERFORMED TSM 05-05-00-810-829-A. NARROWED FROM APU. UPON FURTHER INSPECTION OF APU, FOUND OIL LEAKING FROM APU GEN. OIL WAS FOUND ON AJun 5, 2025 · N396HA · Airbus A330243SDR WX0A2025060232442Plug · leaking(AIRCRAFT NOT GROUNDED) DIRTY SOCK SMELL DETECTED BY FLIGHT ATTENDANTS. BEGAN ON DESCENT / (RESOLVED ON W/O: 522814 TASKCARD: NR-00001 ) TC 21-000-0002 C/W AS REQUIRED. REF TO LP 1949334 M313 MDDR 213397 FOR TC 21-000-003. REF TO TC 21-000-002. WHILE PERFORMINJun 2, 2025 · N195NV · Airbus A320214SDR AALA202506114392Oil System · leakingAIRCRAFT WAS GROUNDED: AIR CONDITIONING FUMES BELOW 10,000' ON TAKEOFF AND LANDING. TAKEOFF WAS ON APU BLEED, LANDING ON LONG IDLE DESCENT. MAINTENANCE FOUND THE APU FREEZE PLUG LEAKING OIL. MAINTENANCE REPLACED THE APU PER TASK CARD 26L31049003. A DECONTAMINMay 30, 2025 · N535UW · Airbus A321231SDR AALA202506024392Oil System · leakingAIRCRAFT WAS GROUNDED: AIR CONDITIONING FUMES BELOW 10,000' ON TAKEOFF AND LANDING. TAKEOFF WAS ON APU BLEED, LANDING ON LONG IDLE DESCENT. MAINTENANCE FOUND THE APU FREEZE PLUG LEAKING OIL. (OPEN)May 30, 2025 · N535UW · Airbus A321231SDR DXTA2025052703625Oil System · leakingODOR OF OIL IN CKPIT & CABIN DURING APU OPS & DURING LOW THRUST ENG OPS. RAN ENGS W/ APU BLD VALVE CLOSED & ODOR IMPROVED, RAN APU & ODOR RETURNED. R & R HEPA FILTER IAW AMM 2 1-70-10. DURING CLOSE UP, FOUND OIL IN MUFFLER DRAIN LINES. REMOVED LOW LIMIT DUMay 24, 2025 · N839QS · Textrn TEXTRON700SDR WX0A2025052732439Tube · leaking(AIRCRAFT GROUNDED) DIRTY SOCK SMELL ON DESCENT. FOUND APU LEAKING OIL. REF. WO 522043 FOR PARTS REPLACEMENT. APU OIL COOLER FAN OIL TRANSFER TUBE LEAKING OIL. REMOVED COOLING FAN, REPLACED O-RINGS, AND REINSTALLED REF AMM 49-52-51-04 CONF 16. RAN APU FOR OMay 23, 2025 · N312NV · Airbus A319111SDR SWAA2025051971054Oil Cooler · leakingON TAKEOFF AND DESCENT BELOW 17;000 FEET OILY; MUSTY SMELL IN FLIGHT DECK. FLIGHT ATTENDANTS REPORTED SMELL IN CABIN ALSO.<[01] PERFORMED SMOKE OR FUMES IN THE CABIN CONDITIONAL INSPECTION PER AMM 05-51-56. TROUBLESHOT & REPAIRED PER IFIM 21-00-00-810-830. REFMay 14, 2025 · N8725L · Boeing 7378SDR SWAA2025051972581Oil Filter · leakingON TAKEOFF AND DESCENT BELOW 17;000 FEET OILY; MUSTY SMELL IN FLIGHT DECK. FLIGHT ATTENDANTS REPORTED SMELL IN CABIN ALSO.<[01] PERFORMED SMOKE OR FUMES IN THE CABIN CONDITIONAL INSPECTION PER AMM 05-51-56. TROUBLESHOT & REPAIRED PER IFIM 21-00-00-810-830. REFMay 14, 2025 · N8725L · Boeing 7378SDR YENA2025051400492Oil Cooler · leakingFLT#2879, PVD-MCO. 'ODOR FUMES EVENT STRONG ODOR IN FLIGHT DECK ON DESCENT TO TAXI INTO GATE ( APU SYSTEM ); REMOVED AND REPLACED APU OIL COOLER IAW AMM 49-91-44. OPS & LEAK CHECK OK. THIS ACTION CLEARS THIS MDDR. MX-4 UPDATED, PLACARD REMOVED, MCC NOTIFIED.'May 11, 2025 · N524JB · Airbus A320232SDR WX0A2025051232427Apu · leaking(AIRCRAFT NOT GROUNDED) SMELL OF DIRTY SOCKS STARTED AT THE TOP OF DECENT AND CONTINUED TO THE GATE. / WORKED A32X-21-000-001 , SMELL WAS REPRODUCED WITH ENG 1 BLEED ON. (RESOLVED ON W/O: 521082 TASKCARD: NR-00001 ) C/W TASK CARD 21-000-002. FOUND OIL LEAKING May 11, 2025 · N246NV · Airbus A320214SDR DALA2025051603790Apu · contaminatedSHIP 3001 DIRTY SOCK SMELL ON DECENT WHEN ENGINES WERE AT IDLE. WHEN POWER WAS ADDED BACK IN SMELL WENT AWAY. SMOKE AND FUME SUBMITTED. CORRECTIVE ACTION: DUE TO OIL INGESTION AT APU INLET, GRILL AND VANES. PREFORMED ENG RUNS AND SNIFFER TEST INITIALLY HAS SMEMay 10, 2025 · N301DV · Airbus A321213SDR GTIA2025051238912Oil System · overservicedFA SMELL FOUL ODOR THROUGHT OUT THE CABIN-REF TSM 05-50-00-810-831-A. FOUND APU, ENG #1 AND ENG #2 OVERSERVICED. DRAINED ENG 1 AND 2 TO LIMITS IAW AMM 12-13-79. DRAINED APU TO LIMIT IAW AMM 49-90-00. PERFORMED ECS PROCEDURE IAW AMM 21-00-00. NO SMELL/ODOMay 10, 2025 · N926NK · Airbus A320271NSDR AALA202505201019Apu · odorAIRCRAFT WAS GROUNDED: STRONG DIRTY-SOCK ODOR AT CLIMB POWER SETTINGS. NOT NOTICEABLE AT TAXI OR CRUISE SETTINGS. ACCOMPLISHED JOB CARD 26L00021001.VERIFIED APU AS SOURCE OF ODOR, APU PLACE ON MAINTENANCE REPLACED APU IAW J/C 26L31049003.May 9, 2025 · N9015D · Airbus A319115SDR DALA2025051503754Oil System · leakingSHIP 3029 2L FA ADVISED US OF THE FUMES SMELL UPON REACHING GATE. IT STARTED ON SHORT FINAL BURNING RUBBER SMELL. CORRECTIVE ACTION: T/S SOURCE OF FUME TO APU. USING BLACK LIGHT FOUND OIL LEAK FROM APU COMPRESSOR AND LEAKING DOWN INTO INLET. PERFORMED DECONTAMMay 9, 2025 · N329DN · Airbus A321213SDR CALA2025050904580Oil System · leakingAPU REPORTED TAIL PIPE SMOKE AT GATE ADDED 2 QUARTS SERVICED TO FULL APU--RAMP REPORTED TAIL PIPE SMOKE AT GATE--SUPER TUG PARKED AC AT GATE 95, PUT JETBRIGE ON, FIRE TRUCKS ROLLED, MX EVALUATING FOR POSSIBLE DMG. -NO DAMAGE FOUND ---MEL-APU-- AWAIT MORE GROMay 6, 2025 · N13110 · Boeing 757224SDR F3LA202505080224Apu · overservicedFUME EVENT ON DESCENT. ODOR FORM COMPLETED. FOUND APU OIL OVERSERVICED PERFORMED APU OIL DRAINAGE IAW AMM SUBTASK 49-90-00-617-060-A. PERFORMED LEVEL A DECONTAMINATION OF ECS IAW AMM 21-00-00-615-802-A.NO FURTHER ODOR FOUND. AC OKAY FOR SERVICE. /END/.May 6, 2025 · N712FR · Airbus A321211SDR DALA2025050703517Cooling Fan · leakingSHIP 3165 OILY/DIRTY SOCK SMELL WITH PACKS RUNNING APU AND ENGINES. RAN APU. CONFIRMED SMELL W/APU OP. FOUND EVIDENCE OF OIL AROUND APU COOLING FAN. DVI WITH BLACK LIGHT OF APU. REMOVED AND REPLACED APU COOLING FAN PER A319 AMM 49-52. PERFORMED LEVEL B REMOVMay 6, 2025 · N365NB · Airbus A319114SDR AALA202505207795Oil System · leakingAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORTED A STRONG MOLDY SOCK SMELL THROUGHOUTTHE AIRCRAFT CABIN. THEY REPORTED THE STRONGEST SMELL LOCATION WAS MID TO AFTERNOON CABIN. SMELL WAS VERY PROMINENT ON DEPARTUREAND INITIAL CLIMBOUT. SMELL REDUCED IN INTENSIMay 3, 2025 · N709UW · Airbus A319112SDR HALA20250505121Oil Filter · faultedETOPS - APU AUTO SHUTDOWN AFTER 2 ATTEMPTS. PERFORMED TSM 49-00-81-810-849-A. REMOVED & REPLACED APU OIL FILTER ELEMENTS PER AMM 49-91--41-200-002-A. OPERATED APU PER AMM 49-00-00-860-009-A. NO DEFECTS NOTED. OK FOR SERVICE.May 3, 2025 · N213HA · Airbus A321271NSDR AALA202505058657O-Ring · leakingAIRCRAFT WAS GROUNDED: EMERGENCY RETURN DFW FOR BURNING WAX SMELL ON FLIGHT DECK. EYE AND THROAT IRRITATION FOR BOTH CREW MEMBERS. NOTICED AS POWER WAS APPLIED ON TAKEOFF AND PERSISTED THROUGHOUT THE 40 MIN FLIGHT UNTIL ENGINE SHUTDOWN. NO SMOKE, BUT ACRID, WAMay 1, 2025 · N9015D · Airbus A319115SDR YENA2025050500463Cooling Fan · leakingFLT#525, PVD-SJU. 'NOTICE OILY/FUEL SMELL AT FL200 ON DECENT WITH PWR AT IDLE SMELL CONTINUE UNTIL 10,000 WHEN APU WAS STARTED AND APU BLEED USED. DIDN'T SEEM ASSOCIATED WITH APU; COMPLIED WITH INFORMATION NOTICE 2017-T015K SECTION B2, IDENTIFIED TYPE 1 LEVEL May 1, 2025 · N524JB · Airbus A320232SDR AALA202505126204Elbow · contaminatedAIRCRAFT WAS GROUNDED: AFTER LANDING FAS SAID OIL SMELL IN THE BACK WAS BAD, STARTED ONFINAL APPROACH. MAINTENANCE CLEANED APU DIFFUESER ELBOW IAW J/C 26T31049006.Apr 30, 2025 · N104UW · Airbus A320214SDR WX0A2025042832405Oil System · leaking(AIRCRAFT GROUNDED) FOR FINAL 25 MINUTES OF FLIGHT DIRTY SOCK SMELL IN AFT GALLEY. IN COCKPIT MUSTY SMELL OCCURRED / PEFORMED TC 21-000-002. FOUND OIL LEAK FROM FCU. REMOVED AND REPLACED FCU AND LUBE MODULE, IAW AMM 49-32-11-400-003-A, AND 49-91-45-400-003-A. Apr 25, 2025 · N323NV · Airbus A319111SDR AALA202504280994Pressure Switch · faultedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO AMA DUE TO THE FLIGHT CREW REPORTING THAT WITH THE #2 GENERATOR INOPERATIVE AND ON MEL, THE APU AUTO SHUT DOWN IN FLIGHT AT FL 330. THE AIRCRAFT LANDED SAFELY AT AMA AND TAXIED TO THApr 25, 2025 · N131NN · Airbus A321231SDR VNAA2025042811101Filter · faultedAPU FAULT CAUTION MSG FOLLOWED BY APU FIRE AND BELLS WARNING MSG FOLLOWED BY APU PUMP CAUTION MSG AND THEN APU SHUTDOWN ON ITS OWN. / REMOVED AND REPLACED APU FUEL FILTER IAW CRJ 900 AMM 49-31-03-000/400-801. LEAK CHECK GOOD. NO DEFECTS NOTED. REACTIVATED APU Apr 24, 2025 · N629NN · Cndair CL6002D24
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