# SDR SCNA20251020389

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2025
- Submitted: October 20, 2025
- Operation: Air carrier
- Aircraft: [N842SY](https://openairdocs.org/aircraft/N842SY), registered now
- Make and model: Boeing 737-8K5
- Registry model: [Boeing 737-8K5](https://openairdocs.org/model/boeing-737-8k5) (OpenAirDocs)
- Aircraft serial: 37244
- Aircraft time: 38,471 hours, 13,246 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: No Test
- Location: Zone 200
- 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/SCNA20251020389

## Discrepancy

RIGHT AFT EXTERIOR EMERGENCY OVERWING EXIT LIGHT INOP. R&R'D M1671 BATT PACK - NO HELP, SWAPPED OUT POWER SUPPLY - NO HELP, POWER SUPPLY & BATT PACK ASSY REINSTALLED REF AMM 33-51-06. ORIGINAL DEFECT REMAINS OPEN @ THIS TIME. SEE L/P 786898 FOR RESOLUTION.

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