# SDR UALA2011021700827

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2011
- Submitted: March 10, 2011
- Operation: Air carrier
- Aircraft: N523UA
- Make and model: Boeing 757222
- Aircraft serial: 24932
- Aircraft time: 66,887 hours, 24,804 cycles
- Engine: Pwa PW2040
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Switch
- Condition: Sticking
- Location: Microphone
- 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/UALA2011021700827

## Discrepancy

F/O YOLK MIC SWITCH STICKS (INTERMITTENT HOT MIC). REPLACED F/O YOLK PTT SWITCH, CHECKS GOOD.

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