What was found
DURING A SCHEDULED MAINTENANCE VISIT WHILE PERFORMING A HORIZONTAL STABILIZER ROLLER BRACKET INSPECTION BOTH THE LEFT AND RIGHT INBOARD HORIZONTAL STABILIZER ROLLER BRACKET RIB STRUCTURES AND BRACKETS WERE FOUND CRACKED. DETAILED INSPECTION INSTRUCTIONS OF THIS AREA ARE OUTLINED IN BEECHJET COMMUNIQUE' NUMBER 70. THE HORIZONTAL STABILIZER WAS REMOVED AND THE LEFT AND RIGHT HORIZONTAL STABILIZER INBOARD RIBS AND INTERNAL BRACKETS WERE REPLACED. SATISFACTORY OPERATIONAL CHECKS WERE COMPLETED FOLLOWING INSTALLATION OF THE HORIZONTAL STABILIZER.