Increase the maximum takeoff weight to 6765 lbs. and maximum landing weight to 6430 lbs.

Fabrication of Panida Doubler.

Fabrication of Panida Doubler.

Replacement of certain Goodrich pneumatic deicer boots

Replacement of certain BF Goodrich pneumatic deicer boots.

Fabrication of Dahlia Doubler.

Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.