47-02-04 DOUGLAS: (Was Mandatory Note 12 AD-762-7.) Applies to C-54 and DC-4 Aircraft.\n \n\tTo be accomplished not later than March 15, 1947. \n\n\tRelocate engine primer solenoid to prevent fuel leaking into firewall junction box. This change shall be accomplished in accordance with item 25 of Douglas Service Bulletin C-54-266, dated May 17, 1946, or part 2A, item 4; and part 2C, item 12 of Douglas Service Bulletin DC-4 No. 66, dated June 18, 1947. \n\n\tRevised May 24, 1948.