As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT WAS ON FLIGHT FROM DAYTON TO OSHAWA. IN THE CLIMB THROUGH 6,500 FEET, THE LEFT COWL CAME FORWARD AT THE TOP 304 INCHES. THE CREW DECIDED TO RETURN TO DAYTON AND LANDED UNEVENTFULLY. TWO BRACKETS ON THE UPPER PART OF THE COWL WERE FOUND BROKEN.