N921US

Service difficulty reports · 107

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. 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 n_number = 'N921US' AND registry_match = 'registration'
  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 AALA202607310942Battery · no testAIRCRAFT WAS NOT GROUNDED: BATTERY FAULT FOR EMERGENCY POWER SUPPLY UNIT 12WL DISPLAYED DURING SYSTEM TEST. MAINTENANCE REPLACED BATTERY FOR EMERGENCY POWER SUPPLY UNIT 12WL PER AMM 33-51-38 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK WITH NO FAULTS NOTJul 29, 2026 · N921US · Airbus A321231 · Emergency LightingSDR AALA202605181727Battery · no testAIRCRAFT WAS NOT GROUNDED: BATTERY FAULT FOR EMERGENCY POWER SUPPLY UNIT 13WL DISPLAYED DURING SYSTEM TEST. MAINTENANCE REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM PER AMM 33-51-38.May 18, 2026 · N921US · Airbus A321231 · Emergency LightingSDR AALA202603064157Garlock Seal · leakingAIRCRAFT WAS GROUNDED: APU OFF DESCENDING THROUGH 10000, FLIGHT CREW NOTED A DIRTY SOCK SMELL IN FLIGHT DECK. **ORIGINAL REPORT WAS AALA202602236304 SUBMITTED 2/23/2026 BY TUL** MAINTENANCE FOUND EVIDENCE OF COKING IN THE APU GEARBOX VENT TUBE AND REPLACED IT Feb 19, 2026 · N921US · Airbus A321231 · APU Oil SystemSDR AALA202603066304Tube · cokedAIRCRAFT WAS GROUNDED: APU OFF DESCENDING THROUGH 10000, FLIGHT CREW NOTED A DIRTY SOCK SMELL IN FLIGHT DECK. **SUPPLEMENTAL REPORT FOR AALA202602236304 SUBMITTED 2/23/2026 BY TUL: MAINTENANCE FOUND EVIDENCE OF COKING IN THE APU GEARBOX VENT TUBE AND REPLACED Feb 19, 2026 · N921US · Airbus A321231 · Air Distribution SystemSDR AALA202602236304Unknown · odorAIRCRAFT WAS GROUNDED: APU OFF DESCENDING THROUGH 10000, FLIGHT CREW NOTED A DIRTY SOCK SMELL IN FLIGHT DECK. (OPEN)Feb 19, 2026 · N921US · Airbus A321231 · Air Distribution SystemSDR AALA202503313438Electrical Box · defectiveAIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED THAT THEY NOTICED A MOMENTARY FAINT SMELL SIMILAR TO A LIT MATCH. UPON FURTHER INVESTIGATION THE FLIGHT CREW FOUND CB J15 TRIPPED. SMELL DISSIPATED QUICKLY. ALL SYSTEMS NORMAL. MAINTENANCE REPLACED THE DATA LOADING RMar 28, 2025 · N921US · Airbus A321231 · Instrument System WiringSDR AALA202412096575Bottle · low pressureAIRCRAFT WAS NOT GROUNDED: L2 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER IN YELLOW BAND. SERVICED L2 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00.Dec 7, 2024 · N921US · Airbus A321231 · Emergency ExitsSDR AALA202412097355Damper · low pressureAIRCRAFT WAS NOT GROUNDED: R3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER IN YELLOW BAND. SERVICED R3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00.Dec 7, 2024 · N921US · Airbus A321231 · Emergency ExitsSDR AALA202411271735Bottle · low pressureAIRCRAFT WAS NOT GROUNDED: FAP IS SHOWING CHECK DOOR PRESSURE FOR DOOR 2L. DOOR 2L WILL NOT INDICATE ARMED BUT ECAM SHOWS 2L IS ARMED APPROPRIATELY. SERVICED DOOR 2L TO PROPER PRESSURE.Nov 27, 2024 · N921US · Airbus A321231 · Emergency ExitsSDR AALA202411259853Bottle · low pressureAIRCRAFT WAS NOT GROUNDED: AFTER ARMING DOOR 2L. CHECK DOOR PRESSURE MESSAGE ON FLIGHT ATTENDANT PANEL. SERVICED L2 DOOR ASSIST BOTTLE.Nov 22, 2024 · N921US · Airbus A321231 · Emergency ExitsSDR AALA202411045484Bottle · low pressureAIRCRAFT WAS NOT GROUNDED: R1 DOOR PRESSURE LOW AND REQUIRES REPEAT SERVICING. REMOVED AND REPLACED R1 DOOR DAMPER.Nov 2, 2024 · N921US · Airbus A321231 · Passenger/Crew DoorsSDR AALA202411044297Bottle · low pressureAIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT PANEL INDICATES DOOR 1R PRESSURE LOW. SERVICED R1 DOOR ASSIST BOTTLE.Nov 1, 2024 · N921US · Airbus A321231 · Emergency EquipmentSDR AALA202410308508Bottle · low pressureAIRCRAFT WAS NOT GROUNDED: CABIN DOOR 1R CHECK DOOR PRESSURE MESSAGE ON SIDS PANEL. SERVICE R1 DOOR ASSIST BOTTLE.Oct 29, 2024 · N921US · Airbus A321231 · Emergency EquipmentSDR AALA202410280942Bottle · low pressureAIRCRAFT WAS NOT GROUNDED: DOOR 1R DISPLAYS DOOR PRESS MSG ON CIDS PANEL. SERVICED DOOR DAMPER ON R1 DOOR.Oct 27, 2024 · N921US · Airbus A321231 · Service DoorsSDR AALA202410288121Bottle · low pressureAIRCRAFT WAS NOT GROUNDED: CHECK DOOR PRESSURE ANNUNCIATION DISPLAYED ON CIDS PANEL, AT GATE. SERVICED R1 DOOR ASSIST BOTTLE PER AMM 52-10-00. OPS GOOD, OK FOR SERVICE.Oct 25, 2024 · N921US · Airbus A321231 · Emergency EquipmentSDR AALA202407094901Bottle · low pressureAIRCRAFT WAS IN BASE MAINTENANCE: L. FWD EM. EXIT (L2) DOOR CYLINDER/ACCUMULATOR REQUIRES SERVICING. SERVICED L2 DOOR CYLINDER/ACCUMULATOR PER AMM 52-22-00.Jul 6, 2024 · N921US · Airbus A321231 · Passenger/Crew DoorsSDR AALA202407094620Bottle · low pressureAIRCRAFT WAS IN BASE MAINTENANCE: R.AFT (R4 DOOR) DOOR CYLINDER/ACCUMULATOR REQUIRES SERVICING (CYLINDER PRESSURE IN UPPER YELLOW BAND AT 75 DEGREES F). SERVICED R4 DOOR CYLINDER/ACCUMULATOR PER AMM 52-10-00.Jul 6, 2024 · N921US · Airbus A321231 · Emergency EquipmentSDR AALA202404047006Wire · brokenAIRCRAFT WAS GROUNDED: AT ARMING FOR DEPARTURE FLIGHT ATTENDANT NOTED AN AMBER FLASHING CAUTION FOR CHECK DOOR PRESSURE. LIGHT AND CAUTION WENT OUT WITHIN 2 MINUTES WITH NO CREW ACTION. FLIGHT ATTENDANT ADVISED AT CRUISE THAT LIGHT/CAUTION HAD RETURNED WITH Apr 1, 2024 · N921US · Airbus A321231 · Door System WiringSDR AALA202404041139Bottle · low pressureAIRCRAFT WAS GROUNDED: AT ARMING FOR DEPARTURE FLIGHT ATTENDANT NOTED AN AMBER FLASHING CAUTION FOR CHECK DOOR PRESSURE. LIGHT AND CAUTION WENT OUT WITHIN 2 MINUTES WITH NO CREW ACTION. FLIGHT ATTENDANT ADVISED AT CRUISE THAT LIGHT/CAUTION HAD RETURNED WITH Apr 1, 2024 · N921US · Airbus A321231 · Emergency EquipmentSDR AALA202404040637Slide · unwanted deployAIRCRAFT WAS GROUNDED: WHILE SERVICING THE L1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER MAINTENANCE INADVERTANTLY DEPLOYED THE SLIDE. MAINTENANCE REPORTED THAT THE SLIDE HAD COME OUT OF THE SLIDE COVER BUT ONLY PARTIALLY DEPLOYED. MAINTENANCE REPLACED THE SApr 1, 2024 · N921US · Airbus A321231 · Escape SlideSDR AALA202402136239Actuator · trippedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INBOUND INTO SEA DUE TO A FLIGHT CONTROL SLATS FAULT ECAM MESSAGE WITH ASSOCIATED MESSAGE SLAT 1 AND 2 SYSTEM JAM CHECK SLAT MECHANICAL DRIVE WHEN THE FLAPS WERE SELECTED TO 1 ON ARRIVAL. THE AIRCRAFT LANDED SAFFeb 11, 2024 · N921US · Airbus A321231 · Leading Edge Slat ActuatorSDR AALA202309055714Power Supply · no testAIRCRAFT IN BASE MAINTENANCE: EMERGENCY PATH SEAT LIGHTING INOPERATIVE. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 13WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.Sep 2, 2023 · N921US · Airbus A320* · Emergency LightingSDR AALA202303095877Lock · out of adjustAIRCRAFT WAS NOT GROUNDED: MID LAVATORY DOOR JAMMED. MAINTENANCE ADJUSTED MID LAVATORY DOOR LOCK PIN PER AMM 52-50-00 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.Mar 7, 2023 · N921US · Airbus A320* · Fixed Inner DoorsSDR AALA202210314732Fuel Filter · cloggedAIRCRAFT WAS GROUNDED: ECAM ENGINE #2 FUEL FILTER CLOG IN FLIGHT AFTER CLIMB THRUST SELECTED. MAINTENANCE REPLACED #2 ENGINE FUEL FILTER PER TSM 73-00-00-810-858-A, AMM 73-30-00-040-042-A AND TASK CARD 26L4007-300-4. A SATISFACTORY LEAK / OPERATIONAL CHECK WASOct 28, 2022 · N921US · Airbus A300* · Engine Fuel DistributionSDR AALA202206097813Transmitter · leakingAIRCRAFT WAS GROUNDED: AFTER TAKEOFF STRONG ODOR NOTICED AFT LEFT CABIN. AIRCRAFT RETURNED TO CHS AND UPON LANDING STRONG FUEL ODOR IN CABIN AND FLIGHT DECK WAS NOTED. A SIGNIFICANT FUEL LEAK NOTED FROM LEFT ENGINE INFLIGHT LEFT ENGINE FUEL FLOW 1000 LBS HIGHEJun 8, 2022 · N921US · Airbus A300* · Fuel Flow IndicatingSDR AALA202204216209Door · out of adjustAIRCRAFT WAS NOT GROUNDED: FLIGHT DECK VERY HARD TO OPEN / CLOSE IN FLIGHT. OK ON GROUND. ADJUSTED COCKPIT DOOR PER AMM 52-51-00. CHECKS GOOD ON GROUND.Apr 20, 2022 · N921US · Airbus A300* · Fixed Inner DoorsSDR AALA202204143068Door Latch · out of adjustAIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR DIFFICULT TO OPEN AND CLOSE AT ALTITUDE. WORKS NORMALLY ON GROUND. ADJUSTED FLIGHT DECK DOOR LATCH MECHANISM AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-51-00-820-809-A.Apr 13, 2022 · N921US · Airbus A300* · Flight Compartment EquipmentSDR AALA202203314536Door Latch · lack of lubeAIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR DIFFICULT TO OPEN AND CLOSE. LUBRICATED DOOR LATCHES AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-51-00.Mar 30, 2022 · N921US · Airbus A320* · Passenger/Crew DoorsSDR AALA202203281219Striker · stickingAIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR DIFFICULT TO OPEN AND CLOSE. CLEANED AND LUBRICATED DOOR STRIKER LATCHES / SPRINGS. PER AMM 52-51-00. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.Mar 25, 2022 · N921US · Airbus A320* · Flight Compartment EquipmentSDR AALA202203156110Girt Bar · out of positionAIRCRAFT WAS GROUNDED: L1 DOOR WILL NOT ARM. FOUND L1 DOOR GIRT BAR OUT OF POSITION. RE-INSTALLED GIRT BAR TO ITS NORMAL POSITION. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK PER AMM 25-62-44-400-006-A.Mar 11, 2022 · N921US · Airbus A300* · Emergency EquipmentSDR AALA202202019306Bottle · low pressureAIRCRAFT WAS NOT GROUNDED: REAL TIME FAILURE REPORT PRINT OUT "DOOR BOTTLE 2R". SERVICED DOOR ASSIST BOTTLE PER AMM 52-22-00.Jan 30, 2022 · N921US · Airbus A300* · Emergency ExitsSDR AALA202111081376Door · inoperativeAIRCRAFT WAS NOT GROUNDED: RIGHT AFT LAVATORY DOOR IS OFF TRACK AND WILL NOT OPERATE. RE-INSTALLED DOOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.Nov 5, 2021 · N921US · Airbus A300* · LavatoriesSDR AALA202109101590Door · out of adjustAIRCRAFT WAS NOT GROUNDED: UNABLE TO OPEN L2 LAVATORY DOOR. ADJUSTED LAVATORY DOOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 25-40-00.Sep 9, 2021 · N921US · Airbus A321231 · Fixed Inner DoorsSDR AALA202108301324Light · out of positionAIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT AT SEAT 10C FELL OFF SEAT. REINSTALLED LIGHT ASSEMBLY PER AMM 33-51-19-0401.Aug 29, 2021 · N921US · Airbus A321231 · Emergency LightingSDR AALA202108109597Door · out of adjustAIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR IS DIFFICULT TO OPEN AND CLOSE. APPEARS TO BE BINDING IN THE FRAME. ADJUSTED DOOR.Aug 8, 2021 · N921US · Airbus A321231 · Fixed Inner DoorsSDR AALA202108096531Lens · detachedAIRCRAFT WAS NOT GROUNDED: EXIT LIGHT LENS AT 2R DOOR FELL OUT. REPLACED LENS.Aug 8, 2021 · N921US · Airbus A321231 · Emergency LightingSDR AALA202107288177Transducer · faultedAIRCRAFT WAS GROUNDED: AFTER LANDING BRAKE 3 TEMP REACHED 545 C. SLIGHT GRABBING FROM RIGHT SIDE DURING TAXI. REPLACED 14GG PRESSURE TRANSDUCER PER AMM 32-42-21. PERFORMED TAXI CHECK. BRAKES WERE NOT GRABBING OR PULSATING.Jul 27, 2021 · N921US · Airbus A321231 · Landing Gear Brake SystemSDR AALA202107199591Battery · faultyAIRCRAFT WAS NOT GROUNDED: FOUND BATTERY OF THE EMERGENCY POWER SUPPLY UNIT 13WL FAULTY. REMOVED AND REPLACED BATTERY OF THE EMERGENCY POWER SUPPLY UNIT 13 PER AMM 33-51-38.Jul 18, 2021 · N921US · Airbus A321231 · Emergency LightingSDR AALA202105089016Cover · missingAIRCRAFT WAS NOT GROUNDED: 3R DOOR - EMERGENCY LIGHT/ EXIT COVER MISSING 2 INCH BY 3 INCH APPROXIMATE SIZE. INSTALLED EMERGENCY LIGHT/EXIT COVER THAT WAS MISSING AT DOOR 3LMay 7, 2021 · N921US · Airbus A321231 · Emergency LightingSDR AALA202103299048Battery · inoperativeAIRCRAFT IN BASE MAINTENANCE: INOPERATIVE EMERGENCY POWER SUPPLY UNIT 14WL BATTERY IN PASSENGER CABIN. REPLACED OF THE BATTERY OF THE EMERGENCY POWER SUPPLY UNIT 14WL PER AMM 33-51-38-400-002-A.Mar 28, 2021 · N921US · Airbus A321231 · Emergency LightingSDR AALA202103299002Battery · inoperativeAIRCRAFT IN BASE MAINTENANCE: INOPERATIVE EMERGENCY POWER SUPPLY UNIT 12WL BATTERY IN PASSENGER CABIN. REPLACED OF THE BATTERY OF THE EMERGENCY POWER SUPPLY UNIT 12WL PER AMM 33-51-38-400-002-A.Mar 28, 2021 · N921US · Airbus A321231 · Emergency LightingSDR AALA202103209002Access Panel · corrodedAIRCRAFT IN BASE MAINTENANCE: CORROSION ON HOLES ON ACCESS PANEL 640NB ON RIGHTHAND WING. REPLACED ACCESS PANEL.Mar 19, 2021 · N921US · Airbus A321231 · Wing, Plate/SkinSDR AALA202103309023Damper · failedAIRCRAFT IN BASE MAINTENANCE: PASSENGER / CREW DOOR 841 DAMPER - EMERGENCY OPERATION CYLINDER ASSEMBLY FAILED DAMPING FUNCTION OPERATIONAL TEST. REPLACED DAMPER - EMERGENCY OPERATION CYLINDER ASSEMBLY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 5Mar 17, 2021 · N921US · Airbus A321231 · Passenger/Crew DoorsSDR AALA202103199016Battery · no testAIRCRAFT IN BASE MAINTENANCE: DURING THE EMERGENCY LIGHT OPERATIONAL CHECK WITH THE MCDU EMERGENCY POWER SUPPLY 12WL BATTERY WAS INOPERATIVE. REPLACED BATTERY.Mar 12, 2021 · N921US · Airbus A321231 · Emergency LightingSDR AALA202103199015Battery · no testAIRCRAFT IN BASE MAINTENANCE: DURING THE EMERGENCY LIGHT OPERATIONAL CHECK WITH THE MCDU EMERGENCY POWER SUPPLY 14WL BATTERY WAS INOPERATIVE. REPLACED BATTERY.Mar 12, 2021 · N921US · Airbus A321231 · Emergency LightingSDR AALA202103199014Cylinder · failedAIRCRAFT IN BASE MAINTENANCE: PASSENGER CREW DOOR 841 DAMPER AND EMERGENCY OPERATION CYLINDER FAILED DAMPING FUNCTIONAL TEST. REPLACED DAMPER AND EMERGENCY OPERATION CYLINDER ASSEMBLY PER AMM 52-11-14.Mar 12, 2021 · N921US · Airbus A321231 · Passenger/Crew DoorsSDR AALA202103229009Floor Panel · crackedAIRCRAFT IN BASE MAINTENANCE: FOUND L= 1.308 INCH CRACK ON FLOOR PANEL 261LG AT FR66 AND Y765. REPLACED FLOOR PANEL REF EA 326148.Mar 11, 2021 · N921US · Airbus A321231 · Fuselage Floor PanelSDR AALA202103119005Hinge Fitting · excess playAIRCRAFT IN BASE MAINTENANCE: EXCESSIVE PLAY ELEVATOR HINGE ARM 2 ON RIGHTHAND HORIZONTAL STABILIZER. REPLACED ELEVATOR HINGE ARM END FITTING 2 PER AMM 55-16-42-000-001-A AND AMM 55-16-42-400-001-A.Mar 10, 2021 · N921US · Airbus A321231 · Elevator StructureSDR AALA202103119004Hinge Fitting · excess playAIRCRAFT IN BASE MAINTENANCE: EXCESSIVE PLAY ELEVATOR HINGE ARM 4 ON RIGHT HAND HORIZONTAL STABILIZER. REPLACED ELEVATOR HINGE ARM END FITTING 4 PER AMM 55-16-42-400-001-A.Mar 10, 2021 · N921US · Airbus A321231 · Elevator StructureSDR AALA202103109014Hinge Arm · excess playAIRCRAFT IN BASE MAINTENANCE: FOUND EXCESSIVE PLAY ELEVATOR HINGE ARM 4 ON LEFT HORIZONTAL STABILIZER. REMOVED AND REPLACED HINGE ARM FITTING 4 ON LEFT ELEVATOR IAW AMM 55-16-42-400-001-A.Mar 9, 2021 · N921US · Airbus A321231 · Elevator Structure
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