# SDR UALA2011120506687

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2011
- Submitted: January 3, 2012
- Operation: Air carrier
- Aircraft: [N833UA](https://openairdocs.org/aircraft/N833UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1401
- Aircraft time: 37,259 hours, 15,233 cycles
- Engine: Iae V2522A5
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Hose
- Condition: Leaking
- Location: Oxygen Mask
- Component: Oxygern Mask
- Component part number: MF20534
- 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/UALA2011120506687

## Discrepancy

FIRST OFFICER'S OXYGEN HARNESS FAILED TO INFLATE (LEAKING).  HOSE FITTING AT MASK LEAKING WHEN SLIGHT AMOUNT OF PRESSURE APPLIED.  REPLACED F/O O2 MASK.

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