5-53 Landing Gear Assembly 12-Year Inspection
1. Inspect cross tubes per § 32-20.
2. Remove landing gear per § 32-10.
3. Remove left skid tube, and remove rain cap and skid extension from tube.
4. Remove fasteners securing struts to cross tubes. Using a twisting motion, remove left
struts from cross tubes.
5. Remove right skid tube, and remove rain cap and skid extension from tube.
6. Using a twisting motion, remove right struts from cross tubes.
7. Clean cross tubes, struts, and skid tubes.
8. Visually inspect interior of struts with borescope (or similar) for obvious damage.
Visually inspect exterior of struts using minimum 3X magnification for obvious damage.
Any corrosion on, or adjacent to, a weld requires corrosion & paint removal followed
by MPI. Upon favorable MPI results, apply § 20-76 powder coat.
9. Refer to § 32-30. Visually inspect interior of skid tube with borescope (or similar).
Visually inspect exterior of parts using minimum 3X magnification. As required, touch-
up coatings with § 20-75 primers and § 20-77 paints.
10. Visually inspect interior of cross tubes with borescope (or similar) for obvious damage.
Visually inspect exterior of cross tubes using minimum 3X magnification for obvious
damage. As required, touch-up coatings with § 20-75 primers and § 20-77 paints.
11. Assemble landing gear.
12. Install landing gear per § 32-10.
Page 5.39C Chapter 5 Inspections JUL 2020
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