# SDR KCSA2017081417

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2017
- Submitted: September 25, 2017
- Operation: Air carrier
- Aircraft: N976BA
- Make and model: Boeing 747-4B5
- Registry model: [Boeing 747-4B5](https://openairdocs.org/model/boeing-747-4b5) (OpenAirDocs)
- Aircraft serial: 25275
- System (JASC): [5220 · Emergency Exits](https://openairdocs.org/jasc/5220)
- Part: Battery Pack
- Condition: Unbalanced
- Location: Emergency Exit
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA2017081417

## Discrepancy

LEFT UPPER DECK EMERGENCY ESCAPE DOOR BATTER CHECK FAILED.  REMOVED AND REPLACED THE BATTERY PACK IAW AMM 52-23-14. BATTERY TEST PASSED.

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