As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CORROSION ON FRONT SIDE OF BELLCRANK WELDMENT WHERE TWO TUBES INTERSECT, THIS END BUTTED UP TO WING SPAR. BELLCRANK THAT CONNECTS TO GEAR ACTUATOR AND REACTOIN LINK SIDE BRACE THAT LOCKS GEAR DOWN WHEN OVER CENTERED. NOT VISIBLE FROM AFT EXPOSED END OF BELL CRANK. BELL CRANK FRACTURED AND WOULD SPRING APART UNDER SIDE LOAD. THIS WOULD ALLOW IT TO BECOME UNLOCKED.