TM 10-3930-669-34 VISUAL INSPECTION (1) Open left side rear access cover (TM 10-3930- 669-10). (2) Inspect front crankshaft cover for oil leakage. (a) If oil leakage is present, replace engine (Para 3-3). (b) If  oil  leakage  is  not  present,  go  to  Step (3) below. (3) Close left side rear access cover. (4) Remove  fuel/water  separator  bracket  (TM  10- 3930-669-20). (5) Inspect    inside    of    flywheel    housing    for    oil leakage. (a) If oil leakage is present, replace rear oil seal (Para 3-14). (b) If oil leakage is not present, rear oil seal is OK. (6) Install fuel/water separator bracket. VERIFY REPAIR Operate   engine   over   the   period   of   time   specified   in   the lubrication order (LO 10-3930-669-12). (a) If  engine  oil  consumption  exceeds  10  quarts per 250 hours of operation and/or blue smoke is excessive, fault not corrected. Notify supervisor. (b) If  engine  oil  consumption  does  not  exceed  10 quarts   per   250   hours   of   operation   and   blue smoke is not excessive, fault corrected. 2-37