What was found
(CAN) A/C TOOK OFF WITH A LOAD OF ABOUT 4,500 LBS. POWER ON T/O NORM. CLIMB POWER SELECTED AND A/C CLIMBED TO CRUISE ALTITUDE. A/C CLIMB SLUGGISH. ENG INSTRUMENTS NORM. AT CRUISE A/C SLUGGISH, ENG INSTRUMENTS NORM. AFTER 12 MIN, ENG QUIT W/O WARNING. LANDED ON SMALL LAKE. EMER PROCEDURES C/O & LANDED W/O INCIDENT. ON INVESTIGATION, FUEL SYS INSPECTED FOR CONTAMINATION. NO WATER OR CONTAMINATES FOUND, & SUFFICIENT FUEL TO CARB TO RUN ENGINE. CARB REMOVED & SERVICEABLE INSTALLED, ENG TEST RUN, & NO DEFECTS NOTED. CARB WAS INSTALLED ON THIS A/C HAD ALSO BEEN REPAIRED WITH TTSO/H 297.3 HRS. BEFORE CARB WAS REPAIRED IT WAS REMOVED FROM SERVICE DUE TO A VERY RICH MIXTURE & COULD NOT BE ADJUSTED.