-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
R B. Nicks, scratches, Maximum depth must be
R chafing in less than 10 percent of
R straight section the wall thickness of
R the duct. There is no
R limit to the number of
R nicks, scratches or
R chafing permitted in the
straight section of the
duct.
R C. Nicks, scratches, Maximum depth must be
R chafing in bends. less than 10 percent of
R the wall thickness of
R the duct.
R
R
R
R
2. Examine the bushings in the brackets, look for:
R A. Wear 0.26 in. (6.6 mm)
R maximum inside diameter
R of the bushing.
R
R
5. Close-up________
Subtask 80-13-43-410-052
A. Close Access
If the damage is less than the allowable limits, repair the damage at next A check. If the damage is more than the allowable limits, replace the duct (Ref. TASK 80-13-43-000-041) and (Ref. TASK 80-13-43-400-041).
If the damage is less than the allowable limits, repair the damage (Ref. CMM 71-00-17). If the damage is more than the allowable limits, replace the duct (Ref. TASK 80-13-43-000-041) and (Ref. TASK 80-13-43-400-041).
If the wear is more than the acceptable limits, replace the duct (Ref. TASK 80-13-43-000-041) and (Ref. TASK 80-13-43-400-041).
(1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(2) Remove the access platform(s).
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(3) Remove the warning notice(s).
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E E Aug 01/02 E E ECES E
