48-49-02 NOORDUYN: Applies to All Army UC-64, -64A, -64AS, and -64B Aircraft.
Compliance required as soon as possible but not later than February 1, 1949.
On airplanes equipped or about to be equipped with Edo Model 55-7170A floats, the float brace wire plates, P/N 16-31131, must be reinforced in accordance with Noorduyn Service Bulletin No. E5/44, dated August 22, 1944, (obtainable upon request from Canadian Car and Foundry Co., Ltd., Montreal 3, Canada), or Army Air Forces Technical Order No. 01-155CB-13, dated October 9, 1944. Other reinforcements shown to be equivalent to those covered in the Service Bulletin or the Technical Order will also be acceptable.