TM 1-2840-252-23-2
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REPAIR THIRD STAGE POWER TURBINE ROTOR (AVIM) (Continued)
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(3) Blend repair inner non-critical area (8) up to the
following limits.
(a) Nicks and dents (9) in airfoil surface (10) up
to 0.010 inch deep and up to 0.078 inch
long.
(b) Nicks and dents (11) in edges (12) up to
0.031 inch deep and up to 0.25 inch long.
(4) Blend repair outer non-critical area (13) up to
the following limits.
(a) Nicks and dents (14) in airfoil surface (15)
up to 0.015 inch deep and up to 0.156 inch
long.
(b) Nicks and dents (16) in edges (17) up to
0.078 inch deep and up to 0.219 inch long.
(5) Blend repair nicks up to 0.015 inch deep at tip
labyrinth (18).
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