# SDR DALA2025031501999

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2025
- Submitted: March 16, 2025
- Operation: Air carrier
- Aircraft: N330NW
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 307
- Aircraft time: 89,489 hours, 41,827 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/DALA2025031501999

## Discrepancy

SHIP 3230 DISC: O2 MASK ABOVE 23 E FELL DOWN CABIN PRESSURE OK. C/A: REPACKED O2 MASKS AT SEATS 23DEF REF A320 AMM 35-21. OPS CHECK NML. NO 60 DAY HISTORY. MEL/PLAC RMVD. (M) PROCEDURES RVSD. A/C OK FOR SVC. (LP: 6367988)

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