64-17-05 CONSOLIDATED AERONAUTICS: Amdt. 777 Part 507 Federal Register July 29, 1964. Applies to Models Lake LA-4, LA-4A and LA-4P Aircraft.
Compliance required prior to September 15, 1964.
To preclude the possibility of complete breather blockage and subsequent loss of engine oil due to icing, rework the uppermost (-37) elbow located on the oil breather separator container in accordance with Consolidated Aeronautics, Inc. Engineering Order No. 2-657, dated March 2, 1964. This rework consists of locating a 3/8 inch x 3/32 inch whistle slot 3/4 inch from top of breather container.
(Consolidated Aeronautics, Inc. Service Letter No. 8, Revision No. 1 dated March 7, 1964, covers this same subject.)
This directive effective August 28, 1964.