# SDR 2025F00274

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2025
- Submitted: November 26, 2025
- Operation: General aviation
- Aircraft: [N866DA](https://openairdocs.org/aircraft/N866DA), registered now
- Make and model: Boeing 777232
- Aircraft serial: 29738
- Aircraft time: 90,035 hours, 10,931 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: S906101358011
- Condition: Discharged
- 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/2025F00274

## Discrepancy

BOTH L1 AND R2 HAD THEIR EPAS BATTERIES DEPLETED, REPLACED PER AMM.

---
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.