What was found
DURING CLIMB, RIGHT ENGINE VIBRATION 2.0 TO 2.2, SOME VIBRATION FELT. DURING ALL OTHER PHASES OF FLIGHT, NO VIBRATION FELT. OPENED COWLING AND CHECKED FOR LOOSE DUCTS, ETC. NO DEFECTS. PERFORMED BITE OF AVM AND EEC, NO DEFECTS NOTED AND NO MAINTENANCE MESSAGES. SYSTEM CHECKED GOOD IAW B767 AMM 77-37-00-5.