46-24-02 DOUGLAS: (Was Mandatory Note 3 of AD-762-7.) Applies to C-54 Series Aircraft. \n\n\tTo be accomplished not later than next periodic inspection. \n\n\tRevise the magneto wires forward of the firewall in accordance with Douglas Service Bulletin No. C-54-283 dated March 19, 1946. This is necessary to prevent burning of the magneto ground wire conduit which will cause the magneto to short out.