# SDR AALA202002049009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2020
- Submitted: February 4, 2020
- Operation: Air carrier
- Aircraft: [N828AA](https://openairdocs.org/aircraft/N828AA), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40648
- Aircraft time: 11,711 hours, 1,214 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Control Unit
- Part number: 100260103
- Part serial: 1167800
- Condition: Inoperative
- Location: Emegency 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/AALA202002049009

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FIRST CLASS SEAT 4 THOUGH 7 EMERGENCY LIGHTS INOPERABLE. MAINTENANCE REPLACED WELS UNIT PER AMM 33-51-07.

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