What was found
FLT 222, PBI-BOS. AIRCRAFT VIBRATION ON CLIMBOUT FROM PBI STARTED AROUND FL170 FILLED OUT AIRCRAFT VIVRATION SURVEY FOR MORE DETAILS VIBRATION INTENSITY SCALE 4; PERFORMED AMM TASK 05-50-00-810-801-A. FOLLOWED DECISION TABLE AND LEAD TO BELIEVE ELEVATORS ARE THE PROBLEM. FOUND L & R ELEVATORS OUT OF RIG. PANEL 344AT - TOP OF RIGHT ELEVATOR MISSING 4 FASTENERS. INSTALLED NEW SCREWS REF AMM 27-34-00. ADJUSTED L INBOARD AND OUTBOARD ELEVATOR ACTUATORS IAW AMM 37-34-0-820-003-B. L ELEV WITHIN LIMITS AT THIS TIME.