# SDR CALA2025060505279

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2025
- Submitted: June 5, 2025
- Operation: Air carrier
- Aircraft: [N35953](https://openairdocs.org/aircraft/N35953), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 36404
- Aircraft time: 48,086 hours, 4,653 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Battery Pack
- Part number: P2070021002
- Condition: Faulted
- 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/CALA2025060505279

## Discrepancy

DURING INSPECTION OF EMERGENCY FLASHLIGHT IT WAS FOUND #06EA BATTERY PACK NEAR OF LIFE LIMIT AT POSITIONS FA SEAT FWD DOOR L1, FA SEAT AFT DOOR L1, FA SEAT FWD DOOR L2, FA SEAT AFT DOOR L2, FA SEAT FWD DOOR R2 AND FA SEAT AFT DOOR R2. REMOVED AND REPLACED #06EA BATTERY PACK AT POSITIONS FA SEAT FWD DOOR L1, FA SEAT AFT DOOR L1, FA SEAT FWD DOOR L2, FA SEAT AFT DOOR L2, FA SEAT FWD DOOR R2 AND FA SEAT AFT DOOR R2 AS REF AMM DMC-B787-A-25-64-00-00B-921A-A .PARTS USED: 78-2525-3-0058, QTY :6

---
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.