# SDR CALA2026070517552

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2026
- Submitted: July 6, 2026
- Operation: Air carrier
- Aircraft: [N38257](https://openairdocs.org/aircraft/N38257), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30612
- Aircraft time: 77,090 hours, 29,091 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Faulty
- Location: Zone 200
- 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/CALA2026070517552

## Discrepancy

EMERGENCY BATTERY PACK, M1672, FAILED CAPACITY CHECK.  REMOVED AND INSTALLED NEW BATTERY PACK M1672. IAW AMM 33-51-06-960-805 TEST GOOD. REMOVED AND INSTALLED NEW BATTERY PACK M1672. IAW AMM 33-51-06-9 60-805 TEST GOOD.

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