What was found
TPA - FLT 2647 - DURING TAKEOFF FROM TPA, THE CAPTS CONTROL WHEEL BEGAN TO VIBRATE. THE F/O WAS FLYING THE AIRCRAFT AT THE TIME AND HIS SIDE WAS OK WITH NO PROBLEM CONTROLLING THE AIRCRAFT. CREW PLACED THE GEAR AND FLAPS DOWN AND CHECKED THE C/B. CAPTS CONTROL COLUMN CONTINUED TO VIBRATE SO THE DECISION WAS MADE TO RETURN TO FIELD AT TPA. FLT LANDED W/O INCIDENT. NO EMERGENCY WAS DECLARED. MX T/S SYSTEM TO THE LEFT STALL WARNING SENSOR AND THE LEFT FLAP POSITION TRANSMITTER. REMOVED AND REPLACED THE LEFT STALL WARNIG SENSOR (P/N 2566A30) AND FLAP POSITION TRANSMITTER. ACCOMP STALL WARNING SYSTEM CHECK PER JOB CARD. OPERATIONAL CHECK GOOD. (M)