# SDR DALA2025101307470

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2025
- Submitted: October 13, 2025
- Operation: Air carrier
- Aircraft: [N888DU](https://openairdocs.org/aircraft/N888DU), registered now
- Make and model: Boeing 737932ER
- Aircraft serial: 31999
- Aircraft time: 23,712 hours, 8,998 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Inoperative
- 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/DALA2025101307470

## Discrepancy

INTERIOR EMERGENCY LIGHTS INOP ABOVE SEATS 11C AND 15C.  R & R BATTERY PACK M2335. CK'S GOOD. REF B737 AMM 33-51.

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