# SDR 2008UALA00573

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2008
- Submitted: February 5, 2008
- Operation: Air carrier
- Aircraft: [N305UA](https://openairdocs.org/aircraft/N305UA), registered now
- Make and model: Boeing 737322
- Aircraft serial: 23666
- Aircraft time: 60,501 hours, 35,461 cycles
- Engine: Cfmint CFM563C1
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Microphone
- Condition: Inoperative
- 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/2008UALA00573

## Discrepancy

OBSERVER`S O2 MASK MICROPHONE INOP.  SWAPPED TO FIRST OFFICERS POSITION PER MEL.

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