# SDR CALA2024011900144

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2024
- Submitted: January 19, 2024
- Operation: Air carrier
- Aircraft: [N77261](https://openairdocs.org/aircraft/N77261), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31582
- Aircraft time: 71,718 hours, 24,943 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 150596
- Condition: Failed
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024011900144

## Discrepancy

PASSENGER CABIN, EMERGENCY LIGHT BATTERY PACK M1676 CAPACITY CHECK FAILS (99995571). REMOVED AND REPLACED BATTERY PACK "M1676" IAW B737 AMM 33-51-06- 960-805. OP TEST GOOD.

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