46-40-02: Oleo Tube Reinforcement

FAA order 46-40-02 is an airworthiness directive. The FAA's subject line: Oleo Tube Reinforcement. It names Fairchild 22, Fairchild 24: about 262 aircraft on the U.S. register today across them, though an order usually covers particular versions or serial numbers rather than every one. System: other and general.

What it applies to as the FAA lists it

Kind of product: Aircraft
Makes: Fairchild Industries, Inc.
Models: 22 C7, 22 C7A, 22 C7AM, 22 C7AS, 22 C7B, 22 C7D, 22 C7E, 22 C7F, 22 C7G, 24 C8, 24 C8A, 24 C8B, 24 C8D, 24 C8DS, 24 C8E, 24 C8ES, 24 C8F (Army UC-61J), 24 C8FS, 24G (Army UC-61H), 24GS, 24H, 24HS, 24J (Army UC-61B), 24JS, 24K (Army UC-61E), 24KS
On this site: Fairchild 22 20 registered
Fairchild 24 242 registered

Dates and paperwork

Docket: Unknown
Status: Current
The FAA's document: Read the order on the FAA's site

The order itself the regulatory text, as published

Show the full text (706 characters)

46-40-02   FAIRCHILD:  (Was Mandatory Note 2 of AD-667-2; 3 of AD-633-2; 3 of AD- 535-2; 3 of AD-564-2; 3 of AD-600-2.) Applicable to Models 22 and 24 Series Aircraft Serial Numbers 3300 to 3319, Inclusive, and 3350 to 3358, Inclusive, Except Seaplanes. 

	Compliance required at next 100-hour inspection. 

	Unless previously accomplished, reinforce the oleo tubes at the piston end by installing sleeve. Fairchild part SK-1636.  Sleeve may be attached by using two AN 435-5-4 rivets or by welding through four 5/16-inch holes drilled in the piston tube.  All damaged parts should be replaced.  Fairchild Service Bulletin 40-5, revised July 3, 1945, and 44-6-C dated May 8, 1944, cover this same subject.)

Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of October 5, 2026. Connections as data: /graph/directive/46-40-02.json · aircraft systems.