ITEM NO. INTERVAL ITEM TO CHECK/ SERVICE PROCEDURE NOT FULLY MISSION CAPABLE IF: Table 2-2. Operator/Crew Preventive Maintenance Checks and Services (Contd). TM 9-2320-386-10 2-40 Change 1 40 Frame Visually check frame side rails, cross- Any obvious broken members, and underbody supports for bolts; cracked, loose, broken bolts, obvious cracks, broken broken, or missing welds, loose rivets, and rusted-through side rails, cross- conditions. members, welds, bolts, rivets; or rusted-through conditions. NOTE If any of the following conditions are found, notify unit maintenance. 39 Weekly Fuel (Contd) system a. Check fuel tanks for leaks and a. Any class III broken supports. fuel leaks. b. Check fuel lines and hoses for b. Any class III leaks and damage. Ensure all connec- fuel leaks. tions are secure. WARNING Do not perform fuel system checks or inspection while smoking or near fire, flame, or sparks. Fuel may ignite, causing injury or death to personnel.