NOTE : The depth of a defect such as a nick is measured along the axis of
____
 the damage unless otherwise noted.
 (1) Stages 1-4 radial cracks within 0.30 in. (7.6 mm) of the leading and trailing edges more than 0.25 in. (6.4 mm) but less than 0.40 in.

 (10.2 mm) in length.

 (2) Stages 1-4 chord-wise cracks more than 0.20 in. (5.1 mm) but less than 0.30 in. (7.6 mm) in length.

 (3) Stages 1-4 nicks, missing material and erosion on the leading and trailing edges found in Dim. B (upper 75% of the airfoil more than 0.04 in. (1.0 mm) but less than

 0.08 in. (2.0 mm).
10 cycles or 25hours
10 cycles or 25hours
10 cycles or 25hours
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(4) Stages 1-4 dents on the leading and trailing  10 cycles or 25
 edges found in Dim. B (upper 75% of the  hours
 airfoil) more than 0.04 in. (1.0 mm) but less
 than 0.08 in. (2.0 mm) in depth, or less than
 0.06 in. (1.5 mm) deflection from the
 original contour.
 (5) Stages 1-4 nicks and tears on the leading and  10 cycles or 25
 trailing edge tip corners in Dim. A more than  hours
 0.25 in. (6.4 mm) but less than 0.30 in. (7.6
 mm) in depth.
 (6) Stages 1-4 dents on the leading and trailing  10 cycles or 25
 edge tip corners in Dim. A more than 0.04 in.  hours
 (1.0 mm) but less than 0.08 in. (2.0 mm) in
 depth or less than 0.06 in. (1.5 mm)
 deflection from the original contour.
 (7) Stages 1-4 missing material and erosion at  10 cycles or 25
 the leading and trailing edges tip corners  hours
 more than 0.30 in. (7.6 mm) but less than
 0.08 in. (2.0 mm).
 (8) Stages 1-4 nicks, dents and missing material  10 cycles or 25
 on the leading and trailing edges of the  hours
 lower 25% of the airfoil (but not the root
 radius) more than 0.03 in. (0.76 mm) but less
 than 0.08 in. (2.0 mm).
 (9) Stages 5-9 radial cracks that are no more  10 cycles or 25
 than 0.20 in. (5.1 mm) from the leading or  hours
 trailing edge and more than 0.15 in. (3.8 mm)
 but less than 0.20 in. (5.1 mm) in length.
 (10) Stages 5-9 chord-wise cracks that are no more  10 cycles or 25
 than 0.20 in. (5.1 mm) from the tip and are  hours
 more than 0.15 in. (3.8 mm) but less than
 0.20 in. (5.1 mm) in length.
 (11) Stages 5-9 nicks, tears, missing material and  10 cycles or 25
 erosion on the leading and trailing edges  hours
 found in Dim. B that aremore than 0.04 in.
 (1.0 mm) but less than 0.08 in. (2.0 mm).

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(12) Stages 5-9 dents on the leading and trailing  10 cycles or 25
 edges found in Dim. B that are more than 0.04  hours
 in. (1.0 mm) but less than 0.08 in. (2.0 mm)
 in depth or less than 0.06 in. (1.5 mm)
 deflection from the original contour.
 (13) Stages 5-9 nicks and tears on the leading and  10 cycles or 25
 trailing edges found in Dim. A that are more  hours
 than 0.15 in. (3.8 mm) but than less 0.20 in.
 (5.1 mm).
 (14) Stages 5-9 dents on the leading and trailing  10 cycles or 25
 edges found in Dim. A that are more than 0.06  hours
 in. (1.5 mm) but less than 0.10 in. (2.5 mm)
 in depth or less than 0.08 in. (2.0 mm)
 deflection from the original contour.
 (15) Stages 5-9 missing material and erosion at  10 cycles or 25
 the leading and trailing edge tip corners if  hours
　
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