# SDR CALA2026071617816

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2026
- Submitted: July 17, 2026
- Operation: Air carrier
- Aircraft: [N87507](https://openairdocs.org/aircraft/N87507), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31637
- Aircraft time: 58,758 hours, 21,282 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Discharged
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026071617816

## Discrepancy

(SUPPORT TASK) M1670 BATTERY PACK LOW VOLTAGE TRANSCRIBED FROM AAR GSO NR 9288012. ORIGINATED BY V942811 SDR COMPLETED REMOVED AND REPLACED M1670 BATTERY PACK AND PERFORMED OPS CHECK AND OPS CHECK GOOD IN REF WITH B737 AMM TASK 33-51-06-960-805. AAR GSO MECH V933781 INSP QC455

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.