# SDR UALA2009102003266

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 2009
- Submitted: October 21, 2009
- Operation: Air carrier
- Aircraft: N128UA
- Make and model: Boeing 747422
- Aircraft serial: 30023
- Aircraft time: 38,599 hours, 4,637 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 582240
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009102003266

## Discrepancy

EMERGENCY EXIT LIGHT 1L FLASHES ON INTERMITTENTLY.  REPLACED M7915 POWER SUPPLY FOR DOOR 1L EMERGENCY LIGHTS, CHECK OK.

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