# SDR USAASB03118

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2003
- Submitted: August 20, 2003
- Operation: Air carrier
- Aircraft: N518AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23704
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Part number: 210310005
- Condition: Blown
- Location: Emergency Light
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAASB03118

## Discrepancy

MAINTENANCE REPORTED THE LEFT OVERWING HATCH EMERGENCY LIGHT INOPERATIVE.  MAINTENANCE FOUND A BLOWN FUSE IN POWER SUPPLY M1134 AND A BAD PLUG ON THE EMERGENCY SIGN.  REPLACED FUSE AND PLUG.  OPS CHECK GOOD.  (M)

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