# SDR CALA2023031700790

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2023
- Submitted: March 17, 2023
- Operation: Air carrier
- Aircraft: [N26967](https://openairdocs.org/aircraft/N26967), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 60144
- Aircraft time: 30,590 hours, 3,027 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Eec
- Part number: NA
- Condition: Warning Message
- Location: Lh Eng
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023031700790

## Discrepancy

ENG CONTROL L ADVISORY LEFT ENGINE ELECTRONIC ENGINE CONTROL (EEC) IS IN A "NO DISPATCH " CONFIGURATION. EEC MAY BE OPERATING WITH A LIMITED SET OF ENGI NE CONTROL PARAMETERS AND MAY NOT BE CAPABLE OF CONTROLLING ALL ASPECTS OF ENGINE OPERATION. OR LEFT ENGINE ELECTRONIC ENGINE C FOUND CMC EXISTING FAULT MMSG''S 72-39101 & 73-13531, PERFORMED NO FURTHER MAINTENANCE ACTION REQUIRED. FIM DMC-B787-A-G72-20-F2-03A-421A-A & DMC-B787-A-G73-20-F1-87A-421A-A. CYCLED EEC MAINT LEFT SWITCH & EXISITING FAULT CHANGED TO INACTIVE & STATUS MESSAGES CLEARED.

---
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.