# SDR UALA2012082304728

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2012
- Submitted: August 24, 2012
- Operation: Air carrier
- Aircraft: [N771UA](https://openairdocs.org/aircraft/N771UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26932
- Aircraft time: 67,878 hours, 12,293 cycles
- Engine: Pwa PW4077
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Amu
- Part number: 5700110
- Part serial: 32
- Condition: No Test
- 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/UALA2012082304728

## Discrepancy

F/O MASK DOES NOT TEST ON INTERPHONE.  REPLACED AUDIO MANAGEMENT UNIT PER AMM, TEST OKAY.

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