TM 55-2840-254-23
4-69 INSPECT FIRST TURBINE NOZZLE (AVIM) (Continued)
4-69
(3)
Inspect inner shroud (28).
(a)
There shall be no more than 15
cracks (29) extending from vane
edge (30) to aft face (31).
(b)
There shall be no other cracks (32)
from vane edge (30) longer than
1/8 inch.
(4)
Inspect 55 vanes (8).
(a) There shall be no burning or loss
of material.
(b) There shall be no more than three
cracks (33) in any vane from inner
shroud (28). There shall be no more
than 20 vanes with these cracks (33).
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