* * * FOR ALL
TASK 72-22-43-200-801
1 . General.
A.This procedure gives instructions for the inspection of the flowpath spacer:
•
Flowpath spacer (01-060 , 72-22-00) (SIN 830AM)
•
Flowpath spacer (01-060A , 72-22-00) (SIN 830AM) SB 72-0069 or (02-060 , 72-22-00) (SIN 830AM) SB 72-0156
•
Flowpath spacer (01-060B , 72-22-00) (SIN 830AM) or (02-060A , 72-22-00) (SIN 830AM) SB 72-0270
•
Flowpath spacer (01-060C , 72-22-00) (SIN 830AM) or (02-060B , 72-22-00) (SIN 830AM) SB 72-0304.
B.The flowpath spacer (01-060 , 72-22-00) (SIN 830AM), (01-060A , 72-22-00) (SIN 830AM), and (02-060 , 72-22-00) (SIN 830AM) are a single-piece part made of Ti 6-4. The flowpath spacer (01-060B , 72-22-00) (SIN 830AM) and (02-060A , 72-22-00) (SIN 830AM) are an inseparable assembly that includes a composite spacer and a titanium flange that are riveted together. The flowpath spacer (01-060C , 72-22-00) (SIN 830AM) and (02-060B , 72-22-00) (SIN 830AM) are an inseparable assembly that includes a composite spacer and a steel flange that are riveted. Refer to Figure 802.
2 . Tools, Equipment, and Materials.
NOTE:
You can use equivalent alternatives for tools, equipment, and consumable materials.
A.Tools and Equipment.
(1)Special Tools. None.
(2)Standard Tools and Equipment. None.
(3)Locally Manufactured Tools. None.
B.Consumable Materials. None.
C.Referenced Procedures.
 
ATA No.
Description
 
70-32-02
Fluorescent-Penetrant Inspection
 
70-32-03
Spot-Fluorescent-Penetrant Inspection
 
70-42-00
Blending and Removal of High Metal Procedures
D.Expendable Parts. None.
3 . Specific Inspection Procedure.
Subtask 72-22-43-230-001
* * * PRE SB   72-0270( Ti 6-4 Flowpath Spacer )
A.Do a Class G fluorescent-penetrant inspection of the flowpath spacer. Refer to TASK 70-32-02-230-001 (FLUORESCENT PENETRANT INSPECTION).
* * * END PRE SB   72-0270( )
Subtask 72-22-43-230-003
* * * POST SB   72-0270( Composite Flowpath Spacer )
B.Do a Class G spot FPI on the exposed aft side of the flowpath spacer metal flange. Refer to TASK 70-32-03-230-002 (SPOT-FLUORESCENT-PENETRANT INSPECTION) and as follows:
(1)Indications larger than 0.015 inch (0.38 mm) are not permitted.
* * * END POST SB   72-0270
4 . Visual Inspection.
Refer to Figure 801.
Subtask 72-22-43-220-002
* * * PRE SB   72-0270( Ti 6-4 Flowpath Spacer )
A.Do an inspection of all areas of the flowpath spacer (area AA and the mounting flange not included) for:
(1)Cracks:
Maximum serviceable limit:
Not serviceable.
Repair method:
Replace the flowpath spacer.
* * * FOR ALL
* * * PRE SB   72-0270( Ti 6-4 Flowpath Spacer )
* * * FOR ALL
Figure 801   Flowpath Spacer - Inspection Areas
Subtask 72-22-43-220-003
(2)Nicks, dents, scratches, and pits:
Maximum serviceable limit:
0.003 inch (0.08 mm) if the defects are not more than 0.5 inch (13 mm) in diameter or in length, after removal of the high metal. Refer to TASK 70-42-00-350-002 (BLENDING AND REMOVAL OF HIGH METAL PROCEDURES).
Repair method:
Repair. Refer to TASK 72-22-43-300-801 (72-22-43, REPAIR 001).
Subtask 72-22-43-220-004
B.Do an inspection of area AA on the flowpath spacer for:
(1)Nicks, dents, scratches, and pits:
Maximum serviceable limit:
Not serviceable.
Repair method:
Repair. Refer to TASK 72-22-43-300-801 (72-22-43, REPAIR 001).
Subtask 72-22-43-220-005
(2)Fretting and wear:
Maximum serviceable limit:
Any amount, less than 0.001 inch (0.03 mm) in depth after removal of high metal. Refer to TASK 70-42-00-350-002 (BLENDING AND REMOVAL OF HIGH METAL PROCEDURES).
Repair method:
Repair. Refer to TASK 72-22-43-300-801 (72-22-43, REPAIR 001).
Subtask 72-22-43-220-006
C.Do an inspection of the forward and aft surfaces of the mounting flange for:
(1)Nicks, dents, and scratches:
Maximum serviceable limit:
Any amount, 0.003 inch (0.08 mm) in depth and 0.020 inch (0.51 mm) in width. Sharp grooves are not permitted.
Repair method:
Repair. Refer to TASK 72-22-43-300-801 (72-22-43, REPAIR 001).
Subtask 72-22-43-220-007
(2)Broken or cracked rabbet tabs:
Maximum serviceable limit:
Not serviceable.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-008
(3)Fretting:
Maximum serviceable limit:
Any amount, less than 0.001 inch (0.03 mm) in depth, after removal of high metal. Refer to TASK 70-42-00-350-002 (BLENDING AND REMOVAL OF HIGH METAL PROCEDURES).
Repair method:
Repair. Refer to TASK 72-22-43-300-801 (72-22-43, REPAIR 001).
Subtask 72-22-43-220-009
D.Do an inspection of the boltholes for:
(1)Thread marks and scratches:
Maximum serviceable limit:
Any amount, 0.002 inch (0.05 mm) in depth, after removal of high metal. Refer to TASK 70-42-00-350-002 (BLENDING AND REMOVAL OF HIGH METAL PROCEDURES).
Repair method:
Repair. Refer to TASK 72-22-43-300-801 (72-22-43, REPAIR 001).
* * * END PRE SB   72-0270
Subtask 72-22-43-220-022
* * * POST SB   72-0270( Composite Flowpath Spacer )
E.Do an inspection of all areas of the flowpath spacers spacer element for. Refer to Figure 802.
(1)Cracks, tears, or broken fibers:
Maximum serviceable limit:
Not serviceable.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-023
(2)Delamination:
Maximum serviceable limit:
Not serviceable.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-024
F.Do an inspection of area E of the flowpath spacer for. Refer to Figure 802.
(1)Nicks, dents, and scratches:
Maximum serviceable limit:
Any amount, if no underlying carbon fiber is exposed.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-025
(2)Wear or erosion:
Maximum serviceable limit:
Any amount, if no underlying carbon fiber is exposed.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-026
G.Do an inspection of area F of the flowpath spacer. Refer to Figure 802.
(1)Eroded, chipped or missing black polyurethane paint:
Maximum serviceable limit:
Any amount, if the underlying glass fiber is not damaged.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-027
(2)Scratches in the black polyurethane paint:
Maximum serviceable limit:
Any amount, if the underlying glass fiber is not damaged.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-028
(3)Peeling or flaking of the black polyurethane paint:
Maximum serviceable limit:
Any amount, if the underlying glass fiber is not damaged.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-029
(4)Erosion in the glass fiber erosion layer or carbon fiber layer:
Maximum serviceable limit:
Not serviceable.
Repair method:
Repair. Refer to TASK 72-22-43-300-802 (72-22-43, REPAIR 002) .
Subtask 72-22-43-220-030
(5)Gouges, cuts or scratches in the glass fiber erosion layer:
Maximum serviceable limit:
Not serviceable.
Repair method:
Repair. Refer to TASK 72-22-43-300-802 (72-22-43, REPAIR 002) .
Subtask 72-22-43-220-031
H.Do an inspection of area G of the flowpath spacer for. Refer to Figure 802.
(1)Eroded, chipped, or missing black polyurethane paint:
Maximum serviceable limit:
Any amount.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-032
(2)Scratches in the black polyurethane paint:
Maximum serviceable limit:
Any amount.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-033
(3)Peeling or flaking of the black polyurethane paint:
Maximum serviceable limit:
Any amount.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-034
(4)Gouges, cuts, or scratches in the glass fiber erosion layer:
Maximum serviceable limit:
Any amount, if the underlying glass fiber is not damaged.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-035
(5)Nicks and dents:
Maximum serviceable limit:
Any amount, if no underlying carbon fiber is exposed.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-036
(6)Boltholes and jackscrew holes thread marks and scratches:
Maximum serviceable limit:
Not serviceable.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-037
(7)Damaged or missing part identification marking:
Maximum serviceable limit:
Not serviceable.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-038
(8)Damaged or missing assembly identification text:
Maximum serviceable limit:
Any amount.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-039
(9)Loose or missing rivets or washers:
Maximum serviceable limit:
Not serviceable.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-040
I.Do an inspection of area H of the flowpath spacer for. Refer to Figure 802.
(1)Nicks, dents, and scratches:
Maximum serviceable limit:
Any amount, if there is no indication of exposed or broken carbon fibers or delamination.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-041
(2)Chipped resin and crazing:
Maximum serviceable limit:
Any amount, if there is no indication that the underlying carbon fiber is exposed.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-042
J.Do an inspection of the flowpath spacer metal flange element for. Refer to Figure 802.
(1)Cracks:
Maximum serviceable limit:
Not serviceable.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-043
(2)Nicks, dents, and scratches:
Maximum serviceable limit:
Any amount, 0.003 inch (0.08 mm) in depth, and 0.020 inch (0.51 mm) in width. Sharp grooves are not permitted.
Repairable limit:
Any amount, 0.010 inch (0.25 mm) in depth, with a minimum distance of 2.0 inches between defects if:
• The total defect to be blended is not more than 20 percent of the area between the bolt, rivet, or jackscrew holes
• The total defect to be blended is not within 0.125 inches (3.18 mm) of the bolt, rivet or jackscrew holes.
Repair method:
Blend. Refer to TASK 70-42-00-350-002 (BLENDING AND REMOVAL OF HIGH METAL PROCEDURES) .
Subtask 72-22-43-220-044
(3)Fretting and wear:
Maximum serviceable limit:
Any amount, less than 0.001 inch (0.03 mm) in depth, after removal of high metal. Refer to TASK 70-42-00-350-002 (BLENDING AND REMOVAL OF HIGH METAL PROCEDURES) .
Repairable limit:
Any amount, 0.006 inch (0.15 mm) in depth, after removal of high metal. Refer to TASK 70-42-00-350-002 (BLENDING AND REMOVAL OF HIGH METAL PROCEDURES) .
Repair method:
Blend. Refer to TASK 70-42-00-350-002 (BLENDING AND REMOVAL OF HIGH METAL PROCEDURES) .
Subtask 72-22-43-220-045
(4)Thread marks and scratches in boltholes and jackscrew holes:
Maximum serviceable limit:
Any amount, 0.002 inch (0.05 mm) in depth, after removal of high metal. Refer to TASK 70-42-00-350-002 (BLENDING AND REMOVAL OF HIGH METAL PROCEDURES) .
Repairable limit:
Any amount, 0.006 inch (0.15 mm) in depth.
Repair method:
Blend. Refer to TASK 70-42-00-350-002 (BLENDING AND REMOVAL OF HIGH METAL PROCEDURES) .
Subtask 72-22-43-220-046
(5)Broken or cracked rabbet tabs:
Maximum serviceable limit:
Not serviceable.
Repair method:
Replace the flowpath spacer.
Subtask 72-22-43-220-047
K.Do an inspection of the flowpath spacer diameter K for. Refer to Figure 802.
(1)Cracks in area R:
Maximum serviceable limit:
Not serviceable.
Repair method:
Replace the flowpath spacer.
* * * END POST SB   72-0270
* * * FOR ALL
* * * FOR ALL
* * * POST SB   72-0270( Composite Flowpath Spacer )
Figure 802   (Sheet 1 ) Flowpath Spacer - Inspection Areas
* * * FOR ALL
* * * FOR ALL
* * * POST SB   72-0270( Composite Flowpath Spacer )
Figure 802   (Sheet 2 ) Flowpath Spacer - Inspection Areas
* * * FOR ALL
* * * FOR ALL
* * * POST SB   72-0270( Composite Flowpath Spacer )
Figure 802   (Sheet 3 ) Flowpath Spacer - Inspection Areas