What was found
CAPTAIN REPORTED THAT DURING TAXING LT ENGINE DID NOT ACCELERATE EVEN WITH THRUST LEVER FULLY FORWARDED, RETURNING TO PLATFORM. DURING CHECK, MAINTENANCE PERSONNEL DETECTED THAT THE LT ENGINE ACCELERATED VERY SLOWLY, SO THRUST BUMP PROCEDURE WAS PERFORMED WITH ENGINES RUNNING, TESTED CORRECT. DURING OVERNIGHT CHECK THE ACCELERATION CAM WAS LUBRICATED, FILTER PS3 WAS CLEANED AND ENGINE RUNNING TEST WAS PERFORMED IAW MM 73-00-00, 75-00-00 AND 71-00-00 RESPECTIVELY, ALL CORRECT.