What was found
CREW REPORTED AFTER LT ENG START, STS MSG L ENG SEC CONTROL AND LT ENG REV CONTROL. IAW SAM S-DWN ENGINE, CLEARED MESSAGES, EPCS SHOWED (P) PDIU-[EEC] AND (P) 35 4-29, AFTER CLEARING MESSAGES, BOTH MESSAGES CAME BACK AFTER RESTART. REPLACED PMA, CHECKS OK.