# SDR KCSA2017071409

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2017
- Submitted: July 17, 2017
- Operation: Air carrier
- Aircraft: [N496BC](https://openairdocs.org/aircraft/N496BC), registered now
- Make and model: Boeing 747-4B5
- Registry model: [Boeing 747-4B5](https://openairdocs.org/model/boeing-747-4b5) (OpenAirDocs)
- Aircraft serial: 26396
- Aircraft time: 80,421 hours, 13,412 cycles
- System (JASC): [5220 · Emergency Exits](https://openairdocs.org/jasc/5220)
- Part: Battery Pack
- Part number: 900835AB
- Part serial: 101145
- Condition: Failed
- Location: Emergency Exit
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA2017071409

## Discrepancy

LEFT UPPER DECK EMERGENCY DOOR BATTERY SELF CHECK FAILED.  REMOVED AND REPLACED THE BATTERY PACK, CHECKED GOOD IAW AMM 52-23-14.

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