46-11-02\tDOUGLAS: (Was Mandatory Note 1 of AD-762-7.) Applies to All C-54 Series Aircraft. \n\n\tTo be accomplished not later than July 1, 1948. \n\n\tThe copilot oxygen regulator must be relocated from its position below the autopilot control handle to Station 101 aft of the windshield defroster control plate and knob, in order to eliminate a fire hazard and contamination of the oxygen regulator in the event hydraulic fluid drips on the regulator from the autopilot control valve. \n\n\t(Douglas Service Bulletin No. C-54-247 dated November 16, 1945, covers this same subject.)