# SDR K11A2026101300395

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2026
- Submitted: October 14, 2026
- Operation: Air carrier
- Aircraft: [N325FL](https://openairdocs.org/aircraft/N325FL), registered now
- Make and model: Boeing 737883
- Aircraft serial: 28325
- Aircraft time: 51,240 hours, 35,842 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Part serial: 14784
- Condition: No Test
- 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/K11A2026101300395

## Discrepancy

EMERGENCY EXIT LIGHT BATTERY PACK M1674 FAILS CAPACITY FUNCTIONAL CHECK FOUND DURING SCHEDULED MAINTENANCE EVENT IN OSCODA.   REMOVED AND REINSTALLED SERVICEABLE M1674 BATTERY PACK IAW AMM 33-51-06 NO DEFECTS NOTED

---
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.