TM 55-2840-254-23
1-93
1-93 INSPECT ENGINE HOT END (AVIM) (Continued)
(b) Inspect 55 vanes (56).
1 There shall be no burning or
loss of material.
2 There shall be no more than
three, 3/8 inch maximum length
cracks (57) in any vane from
inner shroud (51). There shall be
no more than 20 vanes with these
cracks (57).
3 There shall be no cracks (58)
from vane leading edge (59)
wider than 1/32 inch.
(c) Inspect outer shroud (60).
1 There shall be no circumferen-
tial cracks (61).
2 There shall be no cracks (62) be-
tween vanes (63).
3 There shall be no cracks (64) from
vane leading edge (59) longer
than 1/4 inch.
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