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47-10-31: Landing Gear Torque Arm

FAA order 47-10-31 is an airworthiness directive. The FAA's subject line: Landing Gear Torque Arm. System: landing gear.

What it applies to as the FAA lists it

Kind of product
Aircraft
Makes
Lockheed Aircraft Corporation
Models
49-46

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 (650 characters)
47-10-31 LOCKHEED: (Was Service Note 1 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2088. At periods not to exceed 100 hours the webs of all landing gear torque arms should be examined closely at the knee bolt ends for the presence of cracks. When a nose gear arm is found to be cracked, it should be replaced with a new part. When either main gear arm is found to be cracked, the 283557 or 292132 aluminum alloy torque link assemblies on both main gears should be replaced with 293882 steel torque link assemblies. When Note 47-10-21 is complied with, this periodic inspection procedure for the main gear may be discontinued.

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 November 6, 2026. Connections as data: /graph/directive/47-10-31.json · aircraft systems.