As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START, LT ENG REV CONT STATUS MSG APPEARED CA-LT T/REV INOP DUE TO LT EEC PRI CONT MCO. FWD LT ENG T/REV TO MCO/PLAC IAW MEL 78-31-01 REMOVED EEC L IAW AMM NOW HARD FAULTS P TLR/EEC MFG PN 815770-2-008 811241. RAN ENG - AFTER SHUTDOWN MSG CLEARED EPCS.