TM 55-2840-254-23
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INSPECT SECOND TURBINE NOZZLE, SPACER AND CASE (AVIM) (Continued)
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e. Inspect outer shroud (20) as follows:
(1)
There shall be no more than five cracks
(21) which extend from vane leading
edge (10) to seal ring area (22). These
cracks can be full depth and progress
radially, but must be separated by at
least two vanes.
(2)
There shall be no axial cracks (23) from
vane leading edge (10) longer than 1/4
i n c h .
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