# SDR DALA2021010600076

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2021
- Submitted: January 6, 2021
- Operation: Air carrier
- Aircraft: [N811NW](https://openairdocs.org/aircraft/N811NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0690
- Aircraft time: 68,716 hours, 8,950 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: Unwanted Deploy
- Location: Crew Rest
- 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/DALA2021010600076

## Discrepancy

O2 MASKS DROPPED IN BUNK 2 & 3 IN LOWER CREW REST FACILITY.  CORRECTIVE ACTION: O2 MASKS REFITTED, IAW AMM A330 35-21, NOW FUNCTION NORMAL.

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