# SDR CALA2024042201177

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2024
- Submitted: April 22, 2024
- Operation: Air carrier
- Aircraft: [N39726](https://openairdocs.org/aircraft/N39726), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28796
- Aircraft time: 72,280 hours, 24,957 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 201360
- Condition: Discharged
- 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/CALA2024042201177

## Discrepancy

EMERGENCY BATTERY PACK M1672 FAILS FUNCTIONAL CHECK.  REMOVED AND REPLACED EMERGENCY BATTERY PACK M1672 IAW AMM 33-51-06, OPS TESTED GOOD IAW AMM 33-51-06.

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