What was found
AIRCRAFT RETURNED TO PLATFORM DUE TO DURING RT ENG START, A FUEL & HYD LEAKS WERE DETECTED. THE PLATFORM WAS CLEANED. PERFORMED REVISION, DETECTING FUEL LEAK IN THE TRANSIENT BLEED VLV DRAIN PORT. THE RT ENG WAS MOTORING AFTER IT WAS STARTED & ENG OPERATIONAL TEST WAS PERFORMED IAW AMM 71-71-00. NO CONFIRMING FUEL LEAK & A HYD LEAK WAS DETECTED IN THE SYNC SHAFT O RINGS OF RT THRUST REVERSE. THE REVERSER WAS DEFERRED IAW MEL 78-1 CAT C. THE SYNC SHAFT O RINGS OF RT THRUST REVERSE WERE REPLACED IAW AMM 78-31-04, TESTED CORRECT.