TM 55-2835-209-23
3-15 INSPECT HOT SECTION COMPONENTS (AVIM) (CONT)
15.
Inspect ring inner diameter (refer-
ence K) for cracks.
Cracks exceed-
ing 0.050 inch in length or found
in more than three places are not
acceptable.
16.
Inspect ring outer diameter (refer-
ence L) for cracks.
Cracks exceed-
ing 0.050 inch in length or found
in more than three places are not
acceptable.
17.
Inspect vane platform outer diam-
eter (reference M) for erosion.
Erosion exceeding 0.050 inch in
depth or more than 3.00 inches in
length (circumferential) are not
acceptable.
18.
Inspect vane platform (reference N)
for cracks.
Cracks that go beyond
vane edges are not acceptable.
19.
Inspect vane platform (reference P)
for erosion.
Erosion protruding
inside of vane inner diameter is
not acceptable.
20.
Inspect shroud contour (reference
Q) for scoring.
Scoring more than
0.030 inch in depth is not accepta-
ble.
Repair scoring (Task 3-17).
M
P
I-66A-178
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