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R R R -------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------3. Nicks and/or dents on Any quantity, provided See limit extensions leading and/or cracks criteria are met. (Ref. TASK 72-00-00-200-trailing edges. 025).
4. Nicks and/or dents on concave and/or convex sides. Any quantity, provided cracks criteria are met. See limit extensions(Ref. TASK 72-00-00-200-025).
5. Burned areas, hot spots. Any quantity, if there is no missing material and you see no bowing and/or melting. See limit extensions(Ref. TASK 72-00-00-200-025).
R R R 6. Material particles peeling off on airfoil. Any quantity, if you see no bowing and/or melting.
Subtask 72-54-00-080-056
D. Removal of Borescope
(1) When inspection is complete, turn lamp switch off, leave main light source blower on for a while to cool lamp and housing.
(2) Remove the borescope.
Subtask 72-54-00-410-070
E. Install Borescope Plugs
PRE SB CFMI 72-0376
(1) Apply graphite grease (Material No. CP2101) to the threads of the borescope plugs S18, S19, S20 and install on the LPT case.
END OF PRE SB CFMI 72-0376
POST SB CFMI 72-0376
(2) Apply graphite grease (Material No. CP2101) to the threads of the borescope cap assemblies S18, S19, S20 and install on the LPT case.
END OF SB CFMI 72-0376
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R (3) TORQUE plugs to between 55 and 60 lbf.in (0.62 and 0.67 m.daN) and R safety with lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) or R lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
END OF PRE SB CFMI 72-0376
POST SB CFMI 72-0376
(4) TORQUE self locking borescope cap assemblies to between 50 and 55 lbf.in (0.56 and 0.62 m.daN).
NOTE : To achieve the correct installation of the self locking
____ borescope cap assembly, the slot of its ring must be positioned on the borescope boss lug at the final tightening.
END OF SB CFMI 72-0376
5. Close-up
________
Subtask 72-54-00-410-071
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the thrust reverser cowl doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 72-54-00-440-058
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
Subtask 72-54-00-410-078
C. Close Access
(1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
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(2) Remove the warning notice(s).
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