# SDR UALA2009050601304

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2009
- Submitted: May 8, 2009
- Operation: Air carrier
- Aircraft: [N439UA](https://openairdocs.org/aircraft/N439UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 683
- Aircraft time: 41,118 hours, 15,422 cycles
- Engine: Iae V2527A5
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Gcu
- Condition: Malfunctioned
- Location: E&E Bay
- 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/UALA2009050601304

## Discrepancy

F/A REPORT CABIN LIGHTING NO SMOKE LIGHTS F/A CALL LIGHTS AND EXIT LIGHTS FLICKERING THROUGHOUT.  MAINT TEXT: SUSPECT GENERATOR MALFUNCTION.  NEED BOTH ENGINE RUN TO ISOLATE SUSPECTED GENERATOR.  FOUND THRESHOLD FLUORESCENT LIGHT ABOVE DOOR 1L FLICKERING, RELAMPED AND RERACKED ALL 3 GCU'S.  RAN ENGINES 2 SEPARATE TIMES, NO FLICKERING OF LIGHTS IS NOTED NOW.

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