# SDR UALA2012121207189

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2012
- Submitted: January 28, 2013
- Operation: Air carrier
- Aircraft: [N107UA](https://openairdocs.org/aircraft/N107UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 26900
- Aircraft time: 58,837 hours, 6,962 cycles
- Engine: Pwa PW4056
- System (JASC): [2340 · Interphone/Passenger Announcement (PA) System](https://openairdocs.org/jasc/2340)
- Part: Controller
- Part number: 1167005142
- Part serial: 43
- Condition: Faulty
- Location: Interphone
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012121207189

## Discrepancy

UPPER DECK GALLEY + DOOR INTERPHONE RECEPTION POOR FROM CABIN - SOUNDS FINE FROM COCKPIT.  REPLACED CABIN INTERFACE CONTROLLER PER MM AND OEU 4-2-14.  STATIC GONE, OPS OKAY.

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