# SDR UALA2011030101004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2011
- Submitted: March 4, 2011
- Operation: Air carrier
- Aircraft: [N667UA](https://openairdocs.org/aircraft/N667UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29239
- Aircraft time: 44,988 hours, 12,365 cycles
- Engine: Pwa PW4056
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MC1019151
- Part serial: 763
- Condition: Leaking
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011030101004

## Discrepancy

CREW OXYGEN MASK PROBLEM. POSITION 1 (1=CAPT,2=FO, 3=1ST OBS, 4=2ND OBS).  CAPT O2 MASK HEAD HARNESS LEAKS LOUDLY WHEN INFLATED.  INTERCHANGED MASK ASSY WITH FIRST OBSERVER'S POSITION.

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