# SDR CALA2017072402355

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2017
- Submitted: July 24, 2017
- Operation: Air carrier
- Aircraft: [N28912](https://openairdocs.org/aircraft/N28912), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 34828
- Aircraft time: 13,601 hours, 1,598 cycles
- System (JASC): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Control Unit
- Condition: Faulty
- Location: L1 Door
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017072402355

## Discrepancy

FOUND 33 ELS DB "EMERGENCY LIGHT SYSTEM" NOT RESPONDING WHILE PERFOMING SCX SOFTWARE COMPARISON EXTRACT SLID LS3722366 ELS SUMMARY. REMOVED AND REPLACED WELL UNIT AT L1 DOOR OVERHEAD CHECKS AND CONFIG NORMAL IAW AMM DMC-B787-A-33-51-07-06A-950A-A.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.