# SDR CALA2018011900226

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2018
- Submitted: January 20, 2018
- Operation: Air carrier
- Aircraft: [N17963](https://openairdocs.org/aircraft/N17963), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 37812
- Aircraft time: 9,561 hours, 853 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Control Unit
- Condition: Abnormal
- Location: E/E Bay
- 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/CALA2018011900226

## Discrepancy

NOTED ON AHM AND ON PLF EMERGENCY LIGHTING WELS UNITS HAS 3 INCOMBATIBLE DATABASE ERRORS. MESSAGES 33-13125, 33-13121 AND 33-13105 IAW FIM DMC-B787-A-33-51-07-04A-750A-A. CDB RELOADED TO ALL WELS UNITS. LOAD SUCESSFUL, SYS CONFIG PAGE NOW SHOWS ALL SOFTWARE NORMAL, EMERGENCY LIGHT OPERATIONAL AND SYSTEM TEST PASSES. OK TO CONTINUE.

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