As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COWL LATCHES ON RIGHT SIDE OF COWL FAILED DURING IFR FLIGHT AND EMERGENCY LANDING MADE SUCCESSFULLY. LATCHES HAD BEEN REPLACED BEFORE THE TRIP. THIS IS THE THIRD SET OF HINGES INSTALLED AND ALL FAILED AFTER A FEW HOURS. THE COWL NOW HAS A SET OF OLD SERVICEABLE HINGES WHICH SEEM TO BE HOLDING UP OK.