As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE REPLACING THE RT MLG ACTUATOR AS PART OF COMPIANCE WITH CESSNA SEB01-2, IT WAS DISCOVERED THAT ONE OF THE THREE NAS ATTACH BOLTS WAS BROKEN.IT WAS ONLY BEING HELD IN PLACE BY THE SAFETY WIRE LINKING THE THREE BOLTS. THE BOLT HAD FAILED BETWEEN THE FIRST AND SECOND THREADS COUNTING FROM THE SHANK OF THE BOLT. PROCURED AND INSTALLED 3EA NEW NAS BOLTS TO CORRECT.