TM 55-2840-254-23
1-93 INSPECT ENGINE HOT END (AVIM) (Continued)
1-93
27. Inspect fourth stage power turbine rotor (93)
as follows:
a. Inspect disc (95).
(1) There shall be no cracks.
(2) There shall be no burns.
(3) There shall be no pitting, nicks, or rubs
deeper than 0.010 inch except for bal-
ance grind marks (96).
(4) There shall be no loose or cracked pins
(97).
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