# SDR USAASB02113

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2002
- Submitted: July 31, 2002
- Operation: Air carrier
- Aircraft: N776AU
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24934
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- 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/USAASB02113

## Discrepancy

BOS - MAINTENANCE FOUND THE AFT OVERHEAD EMERGENCY LIGHTS DIM/WEAK.  MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK AT CHARGER D3580.  OPERATIONAL CHECK GOOD.  (M)

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