# SDR DALA2025080405804

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2025
- Submitted: August 4, 2025
- Operation: Air carrier
- Aircraft: [N325US](https://openairdocs.org/aircraft/N325US), registered now
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 281
- Aircraft time: 92,625 hours, 43,850 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: Unwanted Deploy
- Location: Zone 200
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025080405804

## Discrepancy

OXYGEN PANEL MASK DEPLOYED, DOOR OPENED BUT MASKS DID NOT FALL OUT . 2L DOOR.  MASK DID NOT DEPLOY. COVER AT 2L F/A SEAT O2 FELL OPEN. REINSTALLED COVER. A/C OK FOR SERVICE.

---
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.