Model 172 (Series 1996 And On) Maintenance Manual (Rev 23)
5-14-19-0 (Rev 19)
SUPPLEMENTAL INSPECTION NUMBER: 57-51-01
1.
TITLE:
Aileron Support Structure Inspection
2.
EFFECTIVITY
17280001 and On, 172S8001 and On
INSPECTION COMPLIANCE
ALL USAGE:
INITIAL
REPEAT
3,000 Hours or
500 Hours or
10 Years (NOTE)
5 Years (NOTE)
NOTE:
3.
Refer to Note 1, Section 5-14-00.
PURPOSE
To ensure structural integrity of the Aileron Support Structure.
4.
INSPECTION INSTRUCTIONS
A.
B.
C.
D.
5.
6.
Remove the ailerons, refer to the applicable sections of this manual.
(1) Clean the area before inspecting if grime or debris is present.
Visually inspect the aileron hinges for condition, cracks and security. Pay particular attention to the hinge pin segment
“knuckle” area as shown inFigure 1.
Visually inspect the pushrod attach fittings for evidence of damage, wear, failed fasteners and security.
Install the items that were removed to accomplish this inspection, refer to the applicable sections of this manual.
ACCESS AND DETECTABLE CRACK SIZE
ACCESS/LOCATION
DETECTABLE CRACK SIZE
Wings
Not Allowed
INSPECTION METHOD
Visual
7.
REPAIR/MODIFICATION
Replace any damaged or cracked hinges. Replace damaged or worn hinge pins.
8.
COMMENTS
Copyright © Textron Aviation Inc.
Retain printed data for historical reference only. For future maintenance, use only current data.
Page 1 of 2
Print Date: Wed Sep 02 12:53:37 CDT 2020
Model 172 (Series 1996 And On) Maintenance Manual (Rev 23)
5-14-19-0 (Rev 19)
Figure 1 : Sheet 1 : Aileron Support Structure Inspection
Copyright © Textron Aviation Inc.
Retain printed data for historical reference only. For future maintenance, use only current data.
Page 2 of 2
Print Date: Wed Sep 02 12:53:37 CDT 2020