INSPECT SECOND TURBINE NOZZLE, SPACER, CASE, AND BUMPER (AVIM) (Continued)
i. Inspect outer shroud cylinder (67as follows:
(1) Inspect inside diameter (68) There shall be
no grooves (69) deeper than 1/64 inch.
Inspect outside diameter (70) as follows:
There shall be no cracks.
(b) There shall be no grooves (71) caused
by fretting of third turbine nozzle
support seals and expander springs
deeper than 1/64 inch.
Grooving may result in formation of steps
which could cause severe difficulty in future
turbine. This difficulty could result in damage
to engine components
(c) There shall be no steps (72) caused by
Inspect turbine spacer (73). There shall be no cracks
There shall be no dents deeper than 1/8 inch.
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