As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT UPPER COWLING CAME UNLATCHED SHORTLY AFTER TAKEOFF. THE AIRCRAFT RETURNED TO GRI. MAINTENANCE INSPECTED AND DETERMINED THE HOOK AND CAM ASSY WAS AFFECTED BY VIBRATION. REPLACED THE HOOK AND CAM ASSY. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)