TM 10-3930-669-20 VISUAL INSPECTION (1) Open engine access panel (TM 10- 3930-669-10). (2) Check   engine   oil   hoses   for   leaks and  damage  by  visual  and  tactile inspection. (a) If hoses and fittings are loose, leaking,   or   damaged,   tighten fittings or replace hose(s). (b) If   hoses   and   fittings   are   not loose, leaking, or damaged, oil hoses are OK. 2-69