# SDR 2007UALA00754

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2007
- Submitted: March 20, 2007
- Operation: Air carrier
- Aircraft: N118UA
- Make and model: Boeing 747422
- Aircraft serial: 28811
- Aircraft time: 32,001 hours, 4,153 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Inoperative
- Location: Emergency Exit
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA00754

## Discrepancy

EXTERIOR EMERGENCY OVERWING EXIT LIGHTS INOPERATIVE ON LEFT SIDE TWO MOST AFT ASSEMBLIES.  REPLACED FUSE IN EMERGENCY POWER SUPPLY UNIT, CHECKS OK.

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