47-47-10 REPUBLIC: (Was Mandatory Note 13 of AD-769-2.) Applies to Model RC-3 Aircraft.
Compliance required prior to February 1, 1948.
To prevent possible float strut failures during rough water landings, install wing reinforcing angles 17W21028, float strut brace assemblies 17W22013, spacers 17W22011 and lugs 17W22010.
(Republic Service Bulletin No. 19 dated September 9, 1947, covers this same subject.)