As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER POST INSPECTION, ENGINE RUNS FOUND RT ENGINE ECS FAULT INDICATOR TRIPPED AFTER SHUTDOWN. RESET INDICATOR, AND PERFORMED NORMAL ENGINE START, AND IDLE. SHUTDOWN ENGINE AND REINSPECTED FAULTED INDICATOR AND FOUND IT HAD TRIPPED AGAIN. DOWN LOADED EEC DATA AND FORWARDED TO MFG FOR ANALYSIS. NO FAULT FOUND USING MANUFACTURERS TROUBLESHOOTING TREE. FURTHER INVESTIGATION REVEALED THAT EEC INTERFACE PRINTED CIRCUIT CARD (NZ0020) SHOWED EVIDENCE OF OVERHEATING DAMAGE. R & R EEC INTERFACE BOARD, OPS CHECK PERFORMED DURING ENGINE RUNS, NO FURTHER ISSUES NOTED.