# SDR AALA202304243155

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2023
- Submitted: April 24, 2023
- Operation: Air carrier
- Aircraft: [N878BG](https://openairdocs.org/aircraft/N878BG), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 65998
- Aircraft time: 1,710 hours, 282 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Control Unit
- Part number: 100260103
- Condition: No Test
- Location: Zone 200 - Fuse
- 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/AALA202304243155

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK JOB CARD 78T21033001 DOOR 1L PRIME WCU CONNECTED WBUÏ¿½S SHOW NOT IN NET. REPLACED WCU PER AMM 33-51-07. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.

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