What was found
DURING ANNUAL INSPECTION, FOUND SKIN CRACKED ON RT FLAP LEADING EDGE WHERE FLAP ACTUATOR ATTACHES TO FLAP. FOUND LEADING EDGE RIB BROKEN. BROKEN RIB NOT VISIBLE FOR INSPECTION. PROBLEM CAUSES SKIN TO CRACK OUT AT FLAP ACTUATOR ATTACH BRACKET. REPAIR DIFFICULT DUE TO NO ACCESS TO CHANGE BROKEN RIB. SUSPECT CAUSED BY PEOPLE STEPPING ON FLAP ENTERING CABIN. MANUFACTURER NEEDS TO ISSUE SB TO INSPECT, REPAIR, AND REINFORCE THIS AREA. SECOND FINDING.