What was found
DURING REMOVAL OF WINDSHIELD RETAINER FOR REPLACMENT OF WINDSHIELD, FOUND APPROXIMATEY 2 INCH LONG CRACK UNDER LT LOWER CORNER OF WINDSHIELD RETAINER. CRACK APPARENTLY CAUSED BY IMPROPER REMOVAL PROCEDURES OF RETAINER DURING A PREVIOUS WINDSHIELD CHANGE. AN ENGINEERING ORDER FROM CESSNA WAS REQUIRED TO REPAIR DAMAGE CAUSING THE OPERATOR ADDED EXPENSE AND DOWN-TIME. SUBMITTER STATED THE MAINTENANCE MANUAL PROCEDURES SHOULD BE FOLLOWED CLOSELY TO PREVENT THESE TYPES OF DAMAGE FROM OCCURRING.