# SDR DALA2025121609158

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2025
- Submitted: December 16, 2025
- Operation: Air carrier
- Aircraft: [N357NB](https://openairdocs.org/aircraft/N357NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1875
- Aircraft time: 61,812 hours, 31,823 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: Unwanted Deploy
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025121609158

## Discrepancy

OXYGEN PANEL MASK DEPLOYED.   RESECURED COMPARTMENT AT LAV 202 IAW AMM 35-21. (1353632).

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