# SDR UALA2011052602579

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2011
- Submitted: May 27, 2011
- Operation: Air carrier
- Aircraft: [N797UA](https://openairdocs.org/aircraft/N797UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26924
- Aircraft time: 58,763 hours, 8,391 cycles
- Engine: Pwa PW40903
- System (JASC): [3310 · Flight Compartment Lighting](https://openairdocs.org/jasc/3310)
- Part: Module
- Part number: 285W00271
- Condition: Faulty
- Location: Cockpit Lights
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011052602579

## Discrepancy

COCKPIT ENTRY & REST AREA LIGHTS FLICKER.  REPLACED FAILED ZMU 1 PER MM.  SYS CHECKS GOOD.

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