# SDR UALA2009092803056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2009
- Submitted: September 28, 2009
- Operation: Air carrier
- Aircraft: N509UA
- Make and model: Boeing 757222
- Aircraft serial: 24763
- Aircraft time: 63,583 hours, 23,826 cycles
- Engine: Pwa PW2037
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Microphone
- Condition: Inoperative
- Location: O2 Mask
- Component: Oxygen Mask
- Component part number: MC1019151
- 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/UALA2009092803056

## Discrepancy

F/O O2 MASK MICROPHONE INOPERATIVE.  REPLACED F/O'S OXYGEN MASK, OPS CHECKS GOOD.

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