R Inspection/Check of the Fan-Outlet Guide Vanes (OGV) Figure 603/TASK 72-23-00-991-310- 13 (SHEET 1)
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R Inspection/Check of the Fan-Outlet Guide Vanes (OGV) Figure 603/TASK 72-23-00-991-310- 23 (SHEET 2)
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R Inspection/Check of the Fan-Outlet Guide Vanes (OGV) Figure 603/TASK 72-23-00-991-310- 33 (SHEET 3)
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-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
C. Wear, fretting, If 0.02 in. (0,5 mm) 10 cycles serviceable
chafing on the top max. width and 0.8 in. extension is allowed.
of flange holes. (20 mm) max. length.
D. Washer impression If 0.032 in. (0,81 mm) 10 cycles serviceable
around flange max. depth and 0.60 in. extension is allowed. Do
holes (15,25 mm) max. blending (Ref. TASK 72-21-
diameter. 00-320-003) until high
metal is removed.
3. Fan inlet case on B1
upstream bracket
location
(Ref. Fig. 604/TASK
72-23-00-991-328)
A. Wear on B1 flange
radius.
R |__X___|__A___| ..
R |__X___|__A___|
R
R | 0,50 | 2,00 | ..
R | 6,50 | 0,68 |
R
R | 1,00 | 1,90 | ..
R | 7,00 | 0,57 |
R
R | 1,50 | 1,82 | ..
R | 7,50 | 0,48 |
R
R | 2,00 | 1,74 | ..
R | 8,00 | 0,39 |
R
R | 2,50 | 1,66 | ..
R | 8,50 | 0,32 |
R
R | 3,00 | 1,59 | ..
R | 9,00 | 0,25 |
R
R | 3,50 | 1,49 | ..
R | 9,50 | 0,19 |
R
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R Fan Inlet Case on B1 upstream bracket location Figure 604/TASK 72-23-00-991-328
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-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
R | 4,00 | 1,35 | ..
R | 10,0 | 0,14 |
R
R | 4,50 | 1,19 | ..
R | 10,5 | 0,10 |
R
R | 5,00 | 1,04 | ..
R | 11,0 | 0,10 |
R
R | 5,50 | 0,91 | ..
R | 11,5 | 0,10 |
R
R | 6,00 | 0,79 | ..
R | 12,0 | 0,10 |
R
4. Fan rotor blades for:
(Ref. Fig. 605/TASK
72-23-00-991-325,
606/TASK 72-23-00-
991-326)
A. Cracks or tears
(1) Operational
cracks
(2) FOD caused
cracks or
tears.
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Not serviceable.
Not serviceable.
Replace pair of matchedblades (Ref. TASK 72-21-00-300-028)
Do blending procedure(Ref. TASK 72-21-00-320-003) until all indications are removed. Do a spot fluorescent-penetrant inspection to make sure that all indications are removed (Ref. TASK 70-51-00-230-002). Remove 0.010 in. (0.25 mm) additional material. Total blend must agree with the max repair limits as defined in figure
72-23-00Page 621
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R Fan Rotor Blades - Blend Limits Figure 605/TASK 72-23-00-991-325
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