What was found
DURING ANNUAL INSPECTION, FOUND LEFT NOSE CAM TRUNNION MOUNT DOUBLER CRACKED AT FORWARD TOP RIVET HOLE EXTENDING AFT ABOUT 1 INCH. SUBMITTER HAS FOUND THIS SAME BRACKET CRACKED IN SAME LOCATION ON SEVERAL 310R MODEL AIRCRAFT. ALSO, THE RIGHT DOUBLER, PN 0813089-47, HAS BEEN FOUND CRACKED AT SAME RIVET HOLE.