Replacement of certain BF Goodrich pneumatic deicer boots

Replacement of wing tie down ring assembly on Classic Beechcraft model airplanes with one piece machined part number APMA35-115632

Installation of an engine modified per STC SE04349CH on an aircraft listed on FAA approved model list #SA04378CH dated 1/13/19 or later FAA approved revision, IAW SureFly installation instructions listed on the AML.