# SDR DALA2021050402539

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2021
- Submitted: May 4, 2021
- Operation: Air carrier
- Aircraft: [N515DN](https://openairdocs.org/aircraft/N515DN), registered now
- Make and model: Airbus A350-941
- Registry model: [Airbus A350-941](https://openairdocs.org/model/airbus-a350-941) (OpenAirDocs)
- Aircraft serial: 0404
- Aircraft time: 2,024 hours, 217 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: Unwanted Deploy
- Location: Row 40 Def
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021050402539

## Discrepancy

SHIP 3515 MASKS FELL AT ROW 40 DEF. CORRECTIVE ACTION: REINSTALLED MASK AT SAME LOCATION REF A350-A-35-21. (7452340)

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