# SDR UALA2009112403659

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2009
- Submitted: November 25, 2009
- Operation: Air carrier
- Aircraft: N559UA
- Make and model: Boeing 757222
- Aircraft serial: 26657
- Aircraft time: 57,947 hours, 21,336 cycles
- Engine: Pwa PW2037
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Control Panel
- Part number: 503112
- Part serial: 135
- Condition: Faulty
- Location: Cockpit
- 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/UALA2009112403659

## Discrepancy

CAPTS O2 MASK MICROPHONE INOPERATIVE.  REPLACED MASK ASSY, NO HELP.  REPLACED CAPT'S AUDIO CONTROL PANEL, OP CHECK NORMAL.

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