# SDR DALA2025090106431

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2025
- Submitted: September 1, 2025
- Operation: Air carrier
- Aircraft: [N821DN](https://openairdocs.org/aircraft/N821DN), registered now
- Make and model: Boeing 737932ER
- Aircraft serial: 31932
- Aircraft time: 36,703 hours, 14,282 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/DALA2025090106431

## Discrepancy

DURING SVC CHECK FOUND EMERGENCY EXIT LIGHT NOT ILLUMINATING OVER L1 DOOR AND OVER FLIGHT DECK ENTRANCE.   REPLACED BATTERY PACK M1675 REF B737 AMM 33-51. (LP 7203106)

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