# SDR SWAA2025090910191

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2025
- Submitted: September 9, 2025
- Operation: Air carrier
- Aircraft: [N906WN](https://openairdocs.org/aircraft/N906WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36887
- Aircraft time: 57,218 hours, 33,367 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Charger
- Condition: Inoperative
- Location: Zn 200 Fus Top
- 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/SWAA2025090910191

## Discrepancy

EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1669. BATTERY GOOD, SUSPECT CHARGER.   REMOVED THE BATTERY CHARGER M1669 AND INSTALLED SERVICEABLE BATTERY CHARGER.  PERFORMED GOOD INSTALLATION TEST IAW AMM 33-51-06-960-806.  REPLACED THE LAMP IN EMERGENCY EXIT LIGHTS IN RT OVERWING EXIT WINDOW ASSEMBLY AND PERFORMED GOOD INSTALLATION TEST IAW AMM 33-51-03-960-801.  ALL LIGHTS ASSOCIATED WITH BATTERY PACK M1669 NOW FUNCTIONAL.

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