(ix) Main seat support braces and brackets.
(x) Landing gear brace struts.
(xi) Axles.
(xii) Wheels.
(xiii) Parts of the control system such as control columns, pedals, shafts,
brackets, or horns.
(xiv) Repairs involving the substitution of material.
(xv) The repair of damaged areas in metal stressed covering exceeding six
inches in any direction.
(xvi) The repair of portions of skin sheets by making additional seams.
(xvii) The splicing of skin sheets.
(xviii) The repair of three or more adjacent wing or control surface ribs or
the leading edge of wings and control surfaces, between such adjacent ribs
(xix) Repairing, including rebottoming, of removable or integral fuel tanks
and oil tanks.
(2) Powerplant major repairs. Repairs of the following parts of an engine and repairs of
the following types, are powerplant major repairs:
(i) Separation or disassembly of a crankcase or crankshaft.
(ii) Special repairs to structural engine parts by welding, plating,
metalizing, or other methods.
(3) Propeller major repairs. Repairs of the following types to a propeller are propeller
major repairs:
(i) Any repairs to, or straightening of blades.
(ii) Repairing or machining of hubs.
(iii) Shortening of blades.
(iv) Retipping of wood / composite propellers.
(v) Replacement of outer laminations on fixed pitch wood propellers.
(vi) Repairing elongated bolt holes in the hub of fixed pitch wood
propellers.
(vii) Inlay work on wood blades.
(viii) Repairs to composition blades.
Appendix 2 July 09
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