# SDR CALA2017080802554

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2017
- Submitted: August 9, 2017
- Operation: Air carrier
- Aircraft: [N27957](https://openairdocs.org/aircraft/N27957), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 36409
- Aircraft time: 9,501 hours, 910 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Control Unit
- Condition: Faulty
- 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/CALA2017080802554

## Discrepancy

DURING EMERGENCY LIGHT TEST, FOUND FLOOR LIGHTING AT ROWS 1 & 2 INOPERATIVE. R & R WCU AT SEAT 1F, OPS CHECKED GOOD.   WORK IAW AMM 33-51-00-00C-320A.

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