What was found
AT ANNUAL INSPECTION, FOUND BULKHEAD CRACKED AT THE 12:00 O'CLOCK POSITION BETWEEN THE RIVETS THAT ATTACH DORSAL FIN ATTACH FITTING. IT IS DIFFICULT TO SEE WHEN INSPECTING AND EASILY MISSED. A SMALL DOUBLER SHOULD BE INSTALLED WHEN THE VERTICAL STABILIZER IS REMOVED PER AC 43.13-1A. BULKHEAD SHOULD BE INSPECTED EACH 200 HOURS UNTIL A DOUBLER IS INSTALLED. PART TT, 2,686.0 HOURS.