# SDR DALA2021072704219

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2021
- Submitted: July 27, 2021
- Operation: Air carrier
- Aircraft: [N3751B](https://openairdocs.org/aircraft/N3751B), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30491
- Aircraft time: 66,066 hours, 24,502 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- 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/DALA2021072704219

## Discrepancy

(LOG 7864890) DURING INSPECTION FOUND 16DEF-18DEF EMERGENCY LIGHTS FAILED FUNCTIONAL CHECK. REMOVED AND REPLACED M1695 BATTERY PACK PER B737 AMM 33-51. ALL OPS CHECK GOOD.

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