# SDR UALA2011070503332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2011
- Submitted: August 2, 2011
- Operation: Air carrier
- Aircraft: [N818UA](https://openairdocs.org/aircraft/N818UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 882
- Aircraft time: 44,218 hours, 17,484 cycles
- Engine: Iae V2522A5
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MF20534
- Part serial: 523
- Condition: Faulty
- Location: Cockpit
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011070503332

## Discrepancy

1ST O/B'S OXYGEN MASK MICROPHONE IS INOPERATIVE.  REPLACED O2 MASK AND BOX STOWAGE AT FIRST OFFICER SIDE, TESTS OKAY.  O2 MASK REPLACED PER AMM.  TEST OKAY.

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