51-16-02\tBELLANCA: Applies to All Model 14-19 Airplanes Serial Numbers 2002 Through 2075. \n\n\tCompliance required within the next 25 hours of operation, but not later than August 1, 1951. \n\n\tAs the result of a recent failure of the elevator trim tab in flight, the modification of the trim tab attachment to the elevator as shown in Figure 1 should be made. \n\n\n\n\n\nFIGURE 1\n\n\n\t(Bellanca Service Bulletin No. 2, Model 14-19, covers this same subject.)