# Service difficulty reports: N427DX A list on [N427DX](https://openairdocs.org/aircraft/N427DX.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DALA2026031901882](https://openairdocs.org/sdr/DALA2026031901882.md): Sign · broken · Mar 18, 2026 · N427DX · Airbus A330941 · Emergency Lighting > FOUND CEILING EXIT SIGN AT DOOR 3L BROKEN. REPLACED CEILING EXIT SIGN AT DOOR 3L IAW AMM 33-51 FUNCTIONS NORMAL OK FOR SERVICE. (8372090) - [SDR DALA2025052804098](https://openairdocs.org/sdr/DALA2025052804098.md): Housing · broken · May 28, 2025 · N427DX · Airbus A330941 · Emergency Lighting > SHIP 3427 EMERGENCY EXIT SIGN HOUSING BROKEN ABOVE AISLE NEAR L3 DOOR. CORRECTIVE ACTION: R/R EXIT SIGN PER A330 AMM 33-51. OPS CHECK NORMAL. (7059961) - [SDR DALA2024080207727](https://openairdocs.org/sdr/DALA2024080207727.md): Oxygen Panel · loose · Aug 1, 2024 · N427DX · Airbus A330941 · Passenger Oxygen System > SHIP 3427 OXYGEN PANEL LOOSE SEAT 48C. CORRECTIVE ACTION: RE-PACKED MASKS AND ENSURED LATCH IS SECURE. (0478864) - [SDR DALA2024080207726](https://openairdocs.org/sdr/DALA2024080207726.md): Oxygen Panel · loose · Aug 1, 2024 · N427DX · Airbus A330941 · Passenger Oxygen System > SHIP 3427 OXYGEN PANEL LOOSE AT SEAT 46C. CORRECTIVE ACTION: RE-PACKED MASKS AND ENSURED LATCH IS SECURE. (0478849) - [SDR DALA2024080107689](https://openairdocs.org/sdr/DALA2024080107689.md): Oxygen Mask · unwanted deploy · Jul 31, 2024 · N427DX · Airbus A330941 · Passenger Oxygen System > SHIP 3427 O2 MASK AT 38C&D FELL DOWN. CORRECTIVE ACTION: SECURED O2 MASK PNL AT 38 C&D PER A330 AMM 25-25. (6001595) - [SDR DALA2024071006991](https://openairdocs.org/sdr/DALA2024071006991.md): Bottle · leaking · Jul 9, 2024 · N427DX · Airbus A330941 · Emergency Equipment > SHIP 3427 FREQUENT SERVICING 2R DOOR ASSIST BOTTLE. CORRECTIVE ACTION: REBUILT DOOR ASSIST BOTTLE AND VERFIED NO LEAKS IN PLUMBING PER A330 AMM 52-15. (0437387) - [SDR DALA2024070906968](https://openairdocs.org/sdr/DALA2024070906968.md): Bottle · low pressure · Jul 9, 2024 · N427DX · Airbus A330941 · Emergency Equipment > SHIP 3427 2R DOOR ASSIST BOTTLE LOW. CORRECTIVE ACTION: SERVICED DOOR ASSIST BOTTLE PER A330 AMM 52-15. (9107469) - [SDR DALA2024070806863](https://openairdocs.org/sdr/DALA2024070806863.md): Bottle · low pressure · Jul 5, 2024 · N427DX · Airbus A330941 · Emergency Equipment > SHIP 3427 2R CHECK DOOR PRESSURE. CORRECTIVE ACTION: SERVICED DOOR ASSIST BOTTLE PER A330 AMM 52-15. OK FOR SERVICE. (9107456) - [SDR DALA2024070706836](https://openairdocs.org/sdr/DALA2024070706836.md): Bottle · low pressure · Jul 2, 2024 · N427DX · Airbus A330941 · Emergency Equipment > SHIP 3427 DOOR 2R ASSIST BOTTLE LOW. CORRECTIVE ACTION: SERVICED DOOR BOTTLE PER A330 AMM 52-15. (9107439) - [SDR DALA2024070306729](https://openairdocs.org/sdr/DALA2024070306729.md): Bottle · low pressure · Jul 2, 2024 · N427DX · Airbus A330941 · Emergency Equipment > SHIP 3427 2R CHECK DOOR PRESSURE FAP. CORRECTIVE ACTION: SERVICED DOOR BOTTLE PER A330 AMM 52-15. OK FOR SERVICE. (9107436) - [SDR DALA2024061706138](https://openairdocs.org/sdr/DALA2024061706138.md): Bottle · low pressure · Jun 17, 2024 · N427DX · Airbus A330941 · Emergency Equipment > SHIP 3427 2R DOOR ASSIST BOTTLE LOW. CORRECTIVE ACTION: SERVICED ASSIST BOTTLE PER A330 AMM 52-15. (5573551) - [SDR DALA2024061306068](https://openairdocs.org/sdr/DALA2024061306068.md): Bottle · low pressure · Jun 13, 2024 · N427DX · Airbus A330941 · Emergency Equipment > SHIP 3427 R2 DOOR ASSIST BOTTLE LOW. CORRECTIVE ACTION: SERVICED DOOR ASSIST BOTTLE PER A330 AMM 52-15. OK FOR SERVICE. (5573521) - [SDR DALA2024060605846](https://openairdocs.org/sdr/DALA2024060605846.md): Fan · odor · Jun 5, 2024 · N427DX · Airbus A330941 · Air Distribution Fan > SHIP 3427 DURING CRUISE F/A'S THROUGHOUT CABIN COMPLAINED OF ELECTRICAL/ BATTERY TYPE SMELL. CORRECTIVE ACTION: R/R LEFT RECIRC FAN IAW A330 AMM 21-21. OPS TEST OK. SMELL GONE. (5639285) - [SDR DALA2024052805567](https://openairdocs.org/sdr/DALA2024052805567.md): Bottle · low pressure · May 24, 2024 · N427DX · Airbus A330941 · Emergency Equipment > SHIP 3427 2R DOOR ASSIST BOTTLE LOW. CORRECTIVE ACTION: SERVICED DOOR BOTTLE PER A330 AMM 52-15. OK FOR SERVICE. (5639222) - [SDR DALA2024052005369](https://openairdocs.org/sdr/DALA2024052005369.md): Bottle · low pressure · May 17, 2024 · N427DX · Airbus A330941 · Emergency Equipment > SHIP 3427 2R DOOR ASSIST LIGHT. CORRECTIVE ACTION: SERVICE DOOR ASSIST BOTTLE PER A330 AMM 52-15. (5872089) - [SDR DALA2024040804153](https://openairdocs.org/sdr/DALA2024040804153.md): Cover · loose · Apr 4, 2024 · N427DX · Airbus A330941 · Emergency Lighting > SHIP 3427 EMERGENCY EXIT SIGN COVER LOOSE / LOCATION:604. CORRECTIVE ACTION: REMOVED & REPLACED EMERG EXIT SIGN HOUSING IAW AMM 33-10. OK FOR SERVICE. (0277848) - [SDR DALA2024040804152](https://openairdocs.org/sdr/DALA2024040804152.md): Cover · loose · Apr 4, 2024 · N427DX · Airbus A330941 · Emergency Lighting > SHIP 3427 EMERGENCY EXIT SIGN COVER LOOSE / LOCATION:605. CORRECTIVE ACTION: REMOVED & REPLACED EMERG EXIT SIGN HOUSING PER A330 AMM 33-51. OK FOR SERVICE. (0277847) - [SDR DALA2024030703115](https://openairdocs.org/sdr/DALA2024030703115.md): Engine · unknown · Mar 7, 2024 · N427DX · Airbus A330941 · Engine (Turbine/Turboprop) > SHIP 3427 -ATO- DUE TO LEFT ENGINE SLOW TO ACCELERATE. CORRECTIVE ACTION: PERFORMED ENGINE ACCELERATION OPERATIONAL TEST AND VERIFIED ALL EEC CONNECTIONS WERE SECURED. CHECKED ALL FLEX LINES. OK FOR SERVICE. (5401426) - [SDR DALA2024020601560](https://openairdocs.org/sdr/DALA2024020601560.md): Bottle · low pressure · Feb 4, 2024 · N427DX · Airbus A330941 · Emergency Equipment > SHIP 3427 3L DOOR, CHECK DOOR PRESSURE ON FAP. CORRECTIVE ACTION: SERVICED L3 DOOR ASSIST BOTTLE PER A330 AMM 57-10. (4060736) ## 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 n_number = 'N427DX' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N427DX/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.