# SDR AALA2020032429010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2020
- Submitted: March 24, 2020
- Operation: Air carrier
- Aircraft: [N841AN](https://openairdocs.org/aircraft/N841AN), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40657
- Aircraft time: 4,753 hours, 554 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Connector
- Part number: 100260103
- Condition: Disconnected
- Location: Cabin
- 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/AALA2020032429010

## Discrepancy

AIRCRAFT GROUNDED - EMERGENCY LIGHTS STAY ON IN FIRST CLASS SEATS. SEAT 7D MANUALLY MOVED FORWARD AND WCU DISCONNECTED TO PRESERVE BATTERY INTEGRITY. WCU 23 FAULTS MSG 33-14023. FOUND RED CONNECTORS DISCONNECTED NEXT TO WCU 23 AT SEAT 7D. RECONNECTED RED CONNECTORS AS REQUIRED, RELOADED SOFTWARE, ALL TESTS PASSED.

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