TM 55-2840-254-23
2-33 INSPECT COMPRESSOR ROTOR BLADES (Continued)
2-33
k. Inspect area between 1.875 inches above
blade root (46) and blade tip (38). There shall
be no nicks or dents (51) in edges (41 and 48)
deeper than 0.060 inch.
Inspect fourth stage compressor rotor blades
(52) as follows:
a. There shall be no cracks.
b. There shall be no bends or distortion.
c. There shall be no corrosion pitting.
d. There shall be no surface nicks (53) or dents
(54) greater than:
(1) 0.015 inch in depth.
(2) 0.350 inch in length.
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