# SDR USAA20091223SB165

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2009
- Submitted: December 23, 2009
- Operation: Air carrier
- Aircraft: [N432US](https://openairdocs.org/aircraft/N432US), registered now
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24554
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Part number: 036000570010
- Condition: Blown
- Location: Cabin
- 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/USAA20091223SB165

## Discrepancy

BDL - MAINTENANCE REPORTED SEVERAL EMERGENCY LIGHTS IN CABIN INCLUDING ONE EXTERIOR EMERGENCY LIGHT INOPERATIVE.  MAINTENANCE REMOVED AND REPLACED ONE PICO 5 AMP FUSE ON BATTERY PACK/CHARGER ASSEMBLY M1479 AT STA 598R.  OPERATIONAL CHECK GOOD.  REF: B737 SYSTEM SCHEMATIC MANUAL 33-51-00, PAGE 107.

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