EASA SIB CE-11-43
American Champion (formerly Bellanca, Aeronca) Model 7 and 8 series aeroplanes - Possible Interference with Flight Controls
Special Airworthiness Information Bulletin SAIB: CE-11-43 is an FAA informational bulletin addressing possible flight control interference in American Champion Aircraft Corporation Models 7EC, 7ECA, 7GCAA, 7GCBC, 7KCAB, 8KCAB, and 8GCBC airplanes. The bulletin highlights incidents where loose objects, such as emergency door jettison pins and seat belt buckle components, caused partial control jams during flight. It provides safety information and service letter references to mitigate these risks.