TM 55-2840-254-23
4-69 INSPECT FIRST TURBINE NOZZLE (AVIM)
4-69
INITIAL SETUP
Applicable Configurations:
All
Tools:
Technical Inspection Tool Kit,
NSN 5180-00-323-5114
Materials:
None
Personnel Required:
68B30 Aircraft Powerplant Inspector
Equipment Condition:
Off Engine Task
1. Inspect first turbine nozzle (1) as follows:
a. There shall be no nicks or dents with sharp
edges.
b. Inspect forward side (2) as follows:
(1)
Inspect inner shroud (3).
(a)
There shall be no more than five
cracks (4) extending from vane
leading edge (5) to forward face (6).
(b)
There shall be no other cracks (7)
from vane leading edge (5) longer
than 1/8 inch.
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