INSPECT FORWARD AND AFT ROTOR SHAFT
Cloth, Emery (E126)
Oil (E250 or Equiv.)
Check splines (2) for damage. There shall be
Check splines (1) for damage as follows: (These
inspections apply to the forward and aft rotor
Acetone is extremely flammable. It
can be toxic. Avoid inhaling. Use
only with adequate ventilation. Avoid
contact with skin, eyes, or clothing.
Keep away from heat, sparkes, or
open flames. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
Clean the forward and/or aft rotor shaft
splines and adjacent surfaces, using a clean
cloth (E135) moistened with acetone (E19).
Visually examine the forward and/or aft rotor
shaft external splines for damage caused
by wear, scoring, nicks, gouges, dings,
scratches, and corrosion to the following
Cadmium plate depletion. Any amount of
cadmium plating missing is allowable and
is not cause for removal from service.
Light surface corrosion. Light surface
corrosion over any amount of the spline
surfaces may be removed by lightly hand
polishing with 500 or higher grit paper
(E126) wet with oil (E250 or equiv.).
Nicks, scratches, dings, wear steps,
and pitting corrosion. When evaluating
the above defects, the location of the
condition on the spline teeth must be
considered prior to any polishing and/or