As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE REINFORCEMENT RIVETED TO THE FIREWALL AT THE MIDDLE RT LOWER COWL ATTACH BRACKET WAS FOUND CRACKED. THE ATTACH BRACKET SITS ON TOP OF THE REINFORCEMENT (SANDWICHED BETWEEN THE FIREWALL AND BRACKET). THE CRACK WAS FOUND AT A 200 HR INSPECTION AND WAS VISIBLE BEYOND THE ATTACH BRACKET.