# SDR 2D7A201612300001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2016
- Submitted: December 30, 2016
- Operation: Air carrier
- Aircraft: [N999YV](https://openairdocs.org/aircraft/N999YV), registered now
- Make and model: Boeing 767241
- Aircraft serial: 23801
- Engine: Ge CF680C2B2
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20132A
- Part serial: 84289
- 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/2D7A201612300001

## Discrepancy

DURING MAINTENANCE CHECK, THE EXIT SIGNS WOULD NOT ILLUMINATE.  FOUND THE BATTERY PACK DISCHARGED.

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