TM 1-2840-252-23-2
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INSPECT SECOND TURBINE NOZZLE, SPACER, CASE, AND BUMPER (AVIM) (Continued)
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e. Inspect outer shroud (50).
(1)
There shall be no circumferential cracks.
(2) There shall be no axial cracks (51) with a
circumferential component at either end
longer than 1/8 inch.
(3) There shall be no axial cracks which extend
from vane/outer shroud braze joint to aft
edge of cylinder (52).
(4) a here shall be no more than four axial
cracks (53) extending aft from vane/outer
shroud braze joint toward aft edge of cylinder
(51) These cracks must be tight-lipped and
must be separated by a minimum of two
vanes (3).
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