# SDR UALA2011100305358

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2011
- Submitted: October 13, 2011
- Operation: Air carrier
- Aircraft: [N673UA](https://openairdocs.org/aircraft/N673UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29241
- Aircraft time: 42,506 hours, 11,122 cycles
- Engine: Pwa PW4052
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MC1019151
- Part serial: 173
- Condition: Broken
- Location: 1st Observer
- 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/UALA2011100305358

## Discrepancy

FIRST OBSERVERS O2 MASK BROKEN.  REPLACED MASK ASSY.

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