# SDR UALA2009112303651

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2009
- Submitted: November 23, 2009
- Operation: Air carrier
- Aircraft: [N665UA](https://openairdocs.org/aircraft/N665UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29237
- Aircraft time: 40,039 hours, 11,132 cycles
- Engine: Pwa PW4056
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Stowage Box
- Part number: 285T0001210
- Part serial: 75
- 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/UALA2009112303651

## Discrepancy

CAPT O2 MASK MIC NOT WORKING.  REPLACED AUDIO ACC UNIT, NO HELP.  MASK STORAGE BOX BAD FROM STOCK, SWAPPED OBSERVERS WITH CAPT'S MASK BOX UNIT, ALL CHECKS OK.

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