# SDR UALA2011092205129

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2011
- Submitted: October 18, 2011
- Operation: Air carrier
- Aircraft: [N804UA](https://openairdocs.org/aircraft/N804UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 759
- Aircraft time: 47,697 hours, 18,755 cycles
- Engine: Iae V2522A5
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MF20534
- Part serial: 66468
- Condition: Out Of Tolerance
- Location: Cockpit
- 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/UALA2011092205129

## Discrepancy

OBSERVERS O2 MASK CONTINIUOS FLOW.   UNABLE TO STOP UNLESS O2 SYS TURNED OFF.  REPLACED MASK.

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