# SDR USAASB02023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2002
- Submitted: February 19, 2002
- Operation: Air carrier
- Aircraft: N437US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24559
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Charger
- Part number: 20121
- Condition: Failed
- Location: Aft 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/USAASB02023

## Discrepancy

BOS - DURING OVERNIGHT CHECK, MAINTENANCE FOUND THE EMERGENCY LIGHTS FOR THE AFT SEATS INOPERATIVE.  MAINTENANCE REMOVED AND REPLACED THE AFT LEFT BATTERY CHARGER ASSEMBLY.  OPERATIONAL CHECK GOOD.  (M)

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