# SDR CALA2023120103520

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2023
- Submitted: December 1, 2023
- Operation: Air carrier
- Aircraft: [N13716](https://openairdocs.org/aircraft/N13716), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28787
- Aircraft time: 77,049 hours, 27,779 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 209312
- Condition: Failed
- Location: M01670
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023120103520

## Discrepancy

EMERGENCY LIGHT BATTERY PACK CHECK FAILED AT MULTIPLE LOCATIONS REF TO PEMCO NR 14390.0028 (S/N269312) REMOVED AND REPALCED EMERGENCY LIGHT BATTERY PACKS AT MULTIPLE LOCATIONS IAW B737 AMM 33-51-06 OPC TEST GOOD.

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