As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE PERFORMING PZL-BIELSKO SB BA-047/50-3/94, THE R/H WING INBOARD DIVE BRAKE PIVOT ARM BOLT WAS FOUND COMPLETELY LOOSENED OFF. THE THREADED PORTION HAD DISENGAGED FROM THE NUTPLATE. ACTIVATION OF DIVE BRAKE CAUSED POSITIVE ROTATION OF THE BOLT.