# SDR SWAA2023110615849

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2023
- Submitted: November 6, 2023
- Operation: Air carrier
- Aircraft: [N451WN](https://openairdocs.org/aircraft/N451WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32495
- Aircraft time: 64,297 hours, 38,163 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Charger
- Part number: UNKNOWN
- Condition: Inoperative
- Location: Zn 200 Fus Top
- 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/SWAA2023110615849

## Discrepancy

LEFT OVERWING EMERGENCY EXIT HATCH OVERHEAD EXIT SIGN DOES NOT ILLUMINATE.<[01] DURING TROUBLESHOOTING FOUND M1668 BATTERY CHARGER TO BE INOP. REMOVED AND REPLACED CHARGER WITH SERVICABLE UNIT; AND PERFORMED GOOD INSTALLATION TEST IAW AMM 33-51-06-960-806. LIGHTS IN L/H OWE HATCH NOW OPERATE.;[02] VERIFIED.<BR>VERIFIED MEASUREMENTS.

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