What was found
AFTER LANDING, DURING TAXI PILOT PULLED POWER CONTROL AFT INTO BETA REVERSE RANGE TO SLOW HIS TAXI SPEED. WHEN BRINGING POWER CONTROL BACK FWD INTO FWD POWER RANGE HE NOTED A BINDING AT BETA REVERSE GATE. PILOT SHUT OWN ACFT & CONTACTED MX. INSPECTED POWER CONTROL RIGGING & SYS FOR PROBLEMS, NONE NOTED. ACFT WAS TEST RUN & OPERATED IN & OUT OF BETA REVERSE RANGE NUMEROUS TIMES. BINDING COMING OUT OF BETA REVERSE WAS NOTED ONE TIME ONLY. PROP GOVERNOR WAS REPLACED WITH OVERHAULED UNIT & RIGGED AS REQUIRED. ACFT WAS AGAIN TEST RUN & PUT IN & OUT OF BETA REVERSE MANY TIMES. POWER CONTROL OPERATED SMOOTHLY ALL THE TIME.