As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB HAD TO USE THE OVERRIDE GEAR RELEASE TO RAISE LANDING GEAR. THE MAIN GEAR HYDRAULIC INTERLOCK CYLINDER CRANK WAS FOUND FROZEN WITH ICE IN THE ANTI-RETRACT POSITION. APPLIED HEAT, CRANK OPERATED FREELY AND ANTI-RETRACT BUTTON IS NOT NEEDED TO RAISE HANDLE. HYDRAULIC INTERLOCK CYLINDER OPS CHECKED GOOD PER MM 32-31-05.