CLASSIFICATION OF FUSELAGE DAMAGE AND TYPES OF REPAIR

TM 1-1520-238-23 2-42 Change 6 2.12. CLASSIFICATION OF FUSELAGE DAMAGE AND TYPES OF REPAIR – continued Category Limits Action f. Transparent Panels Cracks A Cracks in nylon retainer which do not propagate into acrylic panel. Seal with sealing compound (item 174, App F). B Less than 1.00 INCH long within 2.00 INCHES of panel edge and/or propagating from attachment bolt holes. Repair by stop drilling crack (TM 1-1500-204-23). C Exceeds B or propagates beyond stop drilled hole. Replace. g. Glass Windshield C Cracks and pitted or scratched areas that hinder or restrict flight crew vision. Replace. h. Cover and Door Cracks, Tears, and Punctures B Less than 25 PERCENT length of shortest dimension. Repair (TM 1-1500-204-23). C Exceeds B. Replace. i. Main Landing Gear Shock Strut Support Flaws (Pits, Grooves, and Scratches) A Flaws no deeper than 0.010 INCH are allowed on shaft in area extending from base of strut support outward along shaft 0.25 INCH. ------- Flaws no deeper than 0.020 INCH are allowed on shaft in area extending from base of strut support outward along shaft 0.25 INCH. ------- B Exceeds A. Must be blended out at 20:1 ratio. C Cracks or a continuous groove extending around entire shaft surface are not allowed. Perform magnetic particle inspection on strut support (TM 55-1500-335-23). Replace. GO TO NEXT PAGE