TM55-2840-251-23
2-4 COMPRESSOR ROTOR BLADES (FIRST-STAGE) INSPECTION (AVIM) (Continued)
2-4-1 INSPECTION (Cont)
b. Leading or trailing edge dents 0.055 inch deep by
0.080 inch long. Four dents per blade on either leading or
trailing edge on any number of blades (Detail D).
NOTE
A dent is considered to be an indentation
caused by impact in which the parent metal
has been displaced.
c. Leading or trailing edge tip curl without presence
of tear. Maximum allowable deformation 0.100 inch on
one edge, four blades only.
d. Leading or trailing nicks 0.050 inch maximum
depth. Four nicks maximum per blade on either leading
or trailing edge on any number of blades.
NOTE
A nick is considered to be a sharp surface
indentation caused by impact, resulting in
parent metal loss. No cracks permitted.
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