The U.S. aircraft register, updated daily
FAA orders · airworthiness directive · current

46-17-01: Flap Control Universal Joint Pins

FAA order 46-17-01 is an airworthiness directive. The FAA's subject line: Flap Control Universal Joint Pins. It names North American AT-6 Texan: about 228 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: flight controls.

What it applies to as the FAA lists it

Kind of product
Aircraft
Makes
The Boeing Company
Models
AT-6 (SNJ-2), AT-6A (SNJ-3), AT-6B, AT-6C (SNJ-4), BC-1A
On this site
North American AT-6 Texan 228 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 (631 characters)
46-17-01\tNORTH AMERICAN: (Was Mandatory Note 5 of AD-2-575-3.) Applies to Army BC-1A, AT-6, -6A, -6B, -6C; Navy SNJ-2, -3, -4 Aircraft. \n\n\tTo be accomplished prior to original certification or at first periodic inspection thereafter. \n\n\tInspect the universal joint pins in the flap control push-pull tubes, P/N 19-152642, connecting the outer and inner flap for broken pins. Replace all broken pins with new pins and install a close fitting rubber hose over each universal joint to hold in place any pins which may break in the future. \n\n\t(North American Service Bulletin dated March 6, 1947, covers this subject also.)

Related safety bulletins advice on the same designs, not orders

2018-11-21SW-18-31 · NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM
2018-02-09CE-18-10 · Fuel System - Selector Valve Placard

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/46-17-01.json · aircraft systems.