TM 1-2840-252-23-2
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INSPECT SECOND TURBINE NOZZLE, SPACER, CASE, AND BUMPER (AVIM) (Continued)
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Inspect 77 vanes (3)as follows:
b.
(1) Inspect for chordal cracks from trailing
edge.
NOTE
The following crack must not be closer than 3/32
inch radial distance to leading edge chordal
crack shown in step 1.b . 3) (b).
(a) There shall be no cracks (44) from
trailing edge (45) longer than 3/32
inch.
c. Inspect inner seal aft support (46as follows:
)
(1)
There shall be no cracks or distortion.
Inspect inner seal support ("T"-section) (18)
d
as follows:
(1)
There shall be no converging axial cracks
(47).
(2)
There shall be no axial cracks (48) which
are not tight-lipped.
(3)
There shall be no axial cracks (49) longer
than 1/8 inch.
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