As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT AND COPILOT CONTROL ASSEMBLY SEAT LOCKS PN 1611021-01 ARE MOUNTED WITH 2 SCREWS. THESE 2 SCREWS VIBRATING LOOSE. CONTROL COULD FALL OFF CAUSING PILOT OR COPILOT NOT TO BE ABLE TO MOVE SEAT. SCREWS HAVE NO LOCKING DEVICE. PILOT AND COPILOT SEAT, PN 0514212-3 AND -4.