As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT SEAT - RIGHT HAND BRACKET BROKE. PILOT BARELY LEANED BACK IN SEAT AND THIS BRACKET BROKE. THIS IS THE SECOND BRACKET THAT BROKE IN THE SAME EXACT PLACE AND UNDER THE SAME CIRCUMSTANCES. SUBMITTER SUSPECTED IT WAS POSSIBLE THAT IT IS A CASTING FLAW. TIME SINCE NEW ON PART: 170.0 HOURS - TSN. (X)