TM55-2840-251-23
3-1 LINER ASSEMBLY (AVIM) (Continued)
3-1-2 INSPECTION (Cont)
2. Acceptable Conditions Not Requiring Repair:
a. Localized buckling and/or burning of all cooling
rings, other than louvered type, accompanied by cracking
is permissible provided the cracks do not extend into seam
weld.
b. Circumferential cracks in the louvered cooling
ring seam weld are permissible, provided they do not
exceed 0.300 inch in length and are stop-drilled using a
1/16 inch drill.
c. Cracks in the louvered cooling ring, other than
those described in subparagraph b. preceding, are
permissible.
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