As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - BTB: ON LT ENG START RECEIVED STATUS MSG "L ENG CONTROL" AND EICAS MSG "L ENG CONTROL". ENGINE STABILIZED AT 60 PERCENT N2; 32.5 PERCENT N1. ADVANCED THROTTLES N1 AND N2 RESPONDED BUT LIGHTS STILL ON. PERFORMED FIM 73-21-00 FIG 112 CLEARED MESSAGE IAW BLOCK 2 AND 21. RAN ENG, MESSAGE DID NOT RETURN.