# SDR UALA2012082704806

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2012
- Submitted: September 28, 2012
- Operation: Air carrier
- Aircraft: N174UA
- Make and model: Boeing 747422
- Aircraft serial: 24381
- Aircraft time: 88,109 hours, 9,841 cycles
- Engine: Pwa PW4056
- System (JASC): [3320 · Passenger Compartment Lighting](https://openairdocs.org/jasc/3320)
- Part: Controller
- Part number: 1167006144
- Part serial: 195
- Condition: Faulty
- Location: Cabin
- Stage of operation: IN
- 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/UALA2012082704806

## Discrepancy

C & D ZONE CABIN LIGHTS WILL NOT SHUT OFF.  REPLACED LAC2, OPS CHECK GOOD.

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