Installation of winglets and associated changes in wing and aileron structures and related system changes

Installation of structural provisions for a Latitude Iridium/GPS antenna

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

Fabrication of Inspection Panel Kit BI 9501-001, in accordance with Drawing List BI 9025, Revision A, dated February 17, 2012, or later FAA-approved revision; and installation in accordance with Installation Instructions BI 9020, Revision A, dated February 17, 2012, or later FAA-accepted revision.

Replacement of certain Goodrich pneumatic deicer boots

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.