What was found
AIRCRAFT RETURNED TO PLATFORM AS A CONSEQUENCE OF AFTER ENGINES STARTED, EICAS MESSAGES "STAB TRIM" WAS SHOWN. REPORT WAS DEFERRED IAW MEL 27-41-2. DURING TRANSIT CHECK AT MEX, LEFT STAB TRIM CONTROL MODULE WAS REPLACED IAW MM 27-41-05, TESTED CORRECT, DEFERRED REPORT WAS CLOSED.