# SDR CALA2023072802355

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2023
- Submitted: July 28, 2023
- Operation: Air carrier
- Aircraft: [N45440](https://openairdocs.org/aircraft/N45440), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33535
- Aircraft time: 44,701 hours, 15,640 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Part serial: 318665
- Condition: Inoperative
- Location: M1672
- Stage of operation: IN
- How discovered: V
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023072802355

## Discrepancy

BATTERY PACK M1672, LIGHTS SHUT OFF PRIOR TO 15 MINUTES MINIMUN (REF AAR NR 99976630). REMOVED AND INSTALLED NEW BATTERY PACK M1672 IAW B737 AMM 33-51-06-960-805. OP CHECK GOOD(SDR NO. 1033252)(WORK ACCOMPLISHED BY V934989 AND AAR QC A-83 V955067).

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