# SDR DALA2025111108224

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2025
- Submitted: November 11, 2025
- Operation: Air carrier
- Aircraft: [N362NW](https://openairdocs.org/aircraft/N362NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 911
- Aircraft time: 76,242 hours, 36,297 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/DALA2025111108224

## Discrepancy

OXYGEN MASKS AT 14DEF DEPLOYED, ONE MASK.  LANYARD WAS PULLED AND OXYGEN WAS FLOWING.  OXYGEN GEN DID NOT ACTIVATE, VERIFIED BY TEMP & ARMING PIN STILL INSTALLED. RESTOWED MASKS AT 14DEF IAW AMM 35-21. OK FOR SVC. (LP: 7997714)

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