What was found
FOUND VERTICAL/HORIZONTAL STABILIZER REAR ATTACH FITTING CRACKED DURING ROUTINE MAINTENANCE. REMOVED FIN AND RUDDER. REMOVED ELEVATORS TO REMOVE BRACKET ASSY, P/N 0432004-9. FOUND REINFORCEMENT, P/N 0432001-15, AND SPARS, P/N 0432001-56, ALSO CRACKED IN SAME LOCATION STARTING AT CENTERLINE OF FUSELAGE PROPAGATING TO THE RIGHT SIDE OF STABILIZER APPROXIMATELY 3.0 INCHES. MOST OF THIS AIRPLANE'S TIME HAS BEEN SPENT IN A FLIGHT SCHOOL.