# SDR AALA2018053199002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2018
- Submitted: May 31, 2018
- Operation: Air carrier
- Aircraft: [N806AA](https://openairdocs.org/aircraft/N806AA), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 40624
- Aircraft time: 12,181 hours, 1,280 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Control Unit
- Part number: 100260103
- Part serial: 1150265
- Condition: Faulty
- Location: Emergency Lights
- 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/AALA2018053199002

## Discrepancy

AFTER AIRCRAFT POWER DOWN, FOUND ROW 1 TO 3 EMERGENCY LIGHTS ARE ON.  AIRCRAFT WAS GROUNDED.   FURTHER TROUBLESHOOTING FOUND ROW 1-3 EMERGENCY LIGHT WILL NOT ILLUMINATE DURING TEST, ONLY  COME ON WITH AIRCRAFT NOT POWERED.  REPLACED AFT WIRELESS EMERGENCY LIGHTING CONTROL UNIT 17.

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