# SDR UALA2010122004645

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2010
- Submitted: December 20, 2010
- Operation: Air carrier
- Aircraft: [N544UA](https://openairdocs.org/aircraft/N544UA), registered now
- Make and model: Boeing 757222
- Aircraft serial: 25322
- Aircraft time: 72,153 hours, 20,764 cycles
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Audio Panel
- Part number: 503111
- Part serial: 86
- Condition: Faulty
- Location: Nr 1
- 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/UALA2010122004645

## Discrepancy

CAPTS AUDIO SELECT PANEL NR1 MIC SWITCH INTERMITTENT.  ALL ON LIGHTS IN MIKE SELECTOR SWITCHES INOP.  BACKGROUND LIGHTING FOR PANEL IS ALSO INOP.  REPLACED CAPTAIN'S AUDIO CONTROL PANEL IAW MM.  PROBLEM RECURRED. REPLACED CAPTAIN'S AUDIO SELECTOR PANEL IAW MM.  LIGHTING OPS CHECKS OK.

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