What was found
FLAP CONTRTOL INTERMITTENT. SOMETIMES WILL GO DOWN PAST SELECTED AND NOT MOVE AGAIN. SPOKE TO REP AT BEECHCRAFT WHO SUSPECTED A COLD SOAK PROBLEM IN THE RT FLAP FOLLOW-UP SWITCH. FOLLOWED ADVISE AND PLACED RT FLAP FOLLOW-UP SWITCH IN FREEZER. REMOVED FROM FREEZER AND QUICKLY REINSTALLED. FLAPS STUCK AT 12 DEGREES WHILE SELECTING 30 DEGREES DOWN. FLAPS WOULD NOT MOVE. AFTER 4 MINUTES OF REPOSITIONING FLAP LEVER, RESET THE AIRCRAFT MASTER SWITCH. FLAPS WERE NOW OPERATIONAL.