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FAA
Federal Aviation Administration Department of Transportation
Aviation Safety
AIRWORTHINESS DIRECTIVE
Generated by Aircraft-logs.com — March 22, 2026

AD 46-17-01 ACTIVE

Flap Control Universal Joint Pins
Key Information
AD Number 46-17-01 Status Active
Effective Date Not specified Issue Date Not specified
Docket Number Unknown Amendment N/A
Product Type ["Aircraft"] Product Subtype ["Small Airplane"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) The Boeing Company
Model(s) AT-6 (SNJ-2) AT-6A (SNJ-3) AT-6B AT-6C (SNJ-4) BC-1A
Regulatory Text

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.)

AD 46-17-01 — Flap Control Universal Joint Pins
Printed from Aircraft-logs.com — 03/22/2026