47-14-01 BELLANCA: (Was Mandatory Note 5 of AD-773-5.) Applies to Models 14- 13, 14-13-2 Serial Numbers 1060 to 1409, Inclusive.
Compliance required prior to June 1, 1947.
Replace the aluminum alloy inboard flap hinge brackets with X4130 steel brackets, Bellanca P/N 7998-1.
Bellanca Service Bulletin No. 7 dated January 14, 1947, covers this same subject.)