As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN C-CHECK, MAINTENANCE FOUND A CRACK IN THE ANGLE ATTACHING THE OUTER SKIN TO FRAME ON TOP OF THE MAIN CARGO DOOR AT STATION 580. MAINTENANCE REMOVED THE CRACKED ANGLE, FABRICATED NEW ANGLE AND INSTALLED WET WITH SEALANT. INSTALLED ALL FASTENERS WET WITH SEALANT IAW SRM 51-30-2 AND 51-20-1.