46-41-01 BELLANCA: (Was Mandatory Note 2 of AD-773-5.) Applies to Models 14-13, 14-13-2 Serial Numbers 1060 to 1111, Inclusive.
Compliance required prior to November 15, 1946.
Replace rudder bellcrank (Bellanca P/N 9817) located at the left and right ends of the rudder torque tube with parts furnished by the manufacturer which are stamped "heat-treat" in ink.
(Bellanca Service Bulletin No. 2 dated August 26, 1946, covers this same subject.)