# SDR CALA2024062500089

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2024
- Submitted: June 26, 2024
- Operation: Air carrier
- Aircraft: [N27908](https://openairdocs.org/aircraft/N27908), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 36400
- Aircraft time: 42,675 hours, 5,189 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Control Unit
- Part number: 100260103
- Condition: Inoperative
- 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/CALA2024062500089

## Discrepancy

WHILE COMPLYING WITH WELS AHM ON LP 8396444, FOUND EMERGENCY EXIT LIGHTS INOP AT DOOR 2L. REPLACED WCU M3351003 REF. AMM 33-51-07. INSTALLED WITH ORIGINAL BATTERY DOM 5\2022 (SEE PHOTO). OPS CHECKS GOOD.

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