# SDR 2020F00130

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2019
- Submitted: December 13, 2019
- Operation: General aviation
- Aircraft: [N827AN](https://openairdocs.org/aircraft/N827AN), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40647
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 1002602010TMJ9
- Part serial: ST17051366
- Condition: Discharged
- Location: Emergency Lights
- 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/2020F00130

## Discrepancy

DOOR 2L WIRELESS EMERGENCY LIGHT SYSTEM CONTROL UNIT BATTERY FOUND DEGRADED.

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