# SDR DALA2025123009513

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2025
- Submitted: December 30, 2025
- Operation: Air carrier
- Aircraft: [N953DZ](https://openairdocs.org/aircraft/N953DZ), registered now
- Make and model: Boeing 737-9GPER
- Registry model: [Boeing 737-9GPER](https://openairdocs.org/model/boeing-737-9gper) (OpenAirDocs)
- Aircraft serial: 38739
- Aircraft time: 29,106 hours, 18,827 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/DALA2025123009513

## Discrepancy

DURING SVC CHECK FOUND MULTIPLE EMERGENCY LIGHTS INOPERATIVE.  REMOVED AND REPLACED POWER SUPPLY M1695 AND BATTERY PACK M2627 IAW AMM 33-51. ALL LIGHTS OPS NORMAL.

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