What was found
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.