TM 10-3930-669-20 VISUAL INSPECTION (1) Open right-hand engine access cover (TM 10-3930-669-10). (2) Inspect   hydraulic   oil   reservoir   for correct  oil  level  (TM  10-3930-669- 10). (a) If hydraulic oil level is low, fill reservoir  with  clean  hydraulic oil (TM 10-3930-669-10). (b) If  hydraulic  oil  is  not  low,  oil level is OK. (3) Close     right-hand     engine     access cover. 2-445