# SDR UALA2012080704257

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2012
- Submitted: September 8, 2012
- Operation: Air carrier
- Aircraft: [N197UA](https://openairdocs.org/aircraft/N197UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 26901
- Aircraft time: 60,813 hours, 7,175 cycles
- Engine: Pwa PW4056
- System (JASC): [2340 · Interphone/Passenger Announcement (PA) System](https://openairdocs.org/jasc/2340)
- Part: Controller
- Part number: 1167006144
- Condition: Faulty
- Location: Posit 1
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012080704257

## Discrepancy

REPLACED NR 1 LAC DUE TO MULTIPLE INBOUND FAULTS DETECTED IAW MM 23-30-04.

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