As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CAPTAIN'S SEATBELT WILL NOT RELEASE. THIS COULD PREVENT PROPER EXECUTION OF ESCAPE IN AN EMERGENCY AND IS NOT IN COMPLIANCE WITH 14 CFR PART 121.703. MAINTENANCE FOUND THAT THE BUCKLE CENTER HUB FASTENER WAS LOOSE. THE FASTENER WAS SECURED AND THE BUCKLE NOW OPERATES NORMALLY. (LP #7554569 )