As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED AIR TURBINE STARTERS 3X WITH MISSING AND BROKEN OFF MOUNTING BOLTS OF GEAR HOUSING. ALSO FOUND GAPES IN BETWEEN GEAR HOUSING, SCREEN AND INTERMEDIATE HOUSING , DUE TO CONDITION UNSAFE TO PERFORM FURTHER PRETEST BENCH CHECK. CAUSE POOR DESIGN.