(Was Mandatory Note 9 of AD-718-6.)

Applies to Only to 415-C, -CD and -D Aircraft Serial Numbers 2623 to 2994, Inclusive.

Compliance required prior to January 1, 1947.

Install a new fuselage gas tank overflow line (Erco P/N 415-48162) and replace the imperial brass
compression sleeve No. 60F with a rubber washer No. A549, Kohler Co. of A-64-3, Hayes Industries, Inc.

(Erco Service Department Bulletin No. 15, dated August 24, 1946, covers this same subject.)