# SDR DALA2026012300521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2026
- Submitted: January 29, 2026
- Operation: Air carrier
- Aircraft: [N340NW](https://openairdocs.org/aircraft/N340NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 372
- Aircraft time: 96,772 hours, 44,169 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: Unwanted Deploy
- Location: Zone 200
- Stage of operation: CL
- 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/DALA2026012300521

## Discrepancy

ON DEPARTURE O2 MASK AT SEAT 17ABC DEPLOYED.  REPACKED O2 MASKS AT SEAT 17ABC PER A321 AMM 35-21. LP: 8418984)

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