# SDR DALA2021031501463

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2021
- Submitted: March 15, 2021
- Operation: Air carrier
- Aircraft: [N407DX](https://openairdocs.org/aircraft/N407DX), registered now
- Make and model: Airbus A330-941
- Registry model: [Airbus A330-941](https://openairdocs.org/model/airbus-a330-941) (OpenAirDocs)
- Aircraft serial: 1957
- Aircraft time: 767 hours, 100 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: Unwanted Deploy
- Location: Cabin
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021031501463

## Discrepancy

SHIP 3407 3L O2 MASK DROPPED. CORRECTIVE ACTION: REINSTALLED O2 MASKS LAV 3L. (1753087)

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