AD 46-46-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | AT-6 (SNJ-2) | Airworthiness Directives; North American Models BC-1A, AT-6, AT-6A, AT-6B, and AT-6C Aircraft |
| aircraft | The Boeing Company | AT-6A (SNJ-3) | Airworthiness Directives; North American Models BC-1A, AT-6, AT-6A, AT-6B, and AT-6C Aircraft |
| aircraft | The Boeing Company | AT-6B | Airworthiness Directives; North American Models BC-1A, AT-6, AT-6A, AT-6B, and AT-6C Aircraft |
| aircraft | The Boeing Company | AT-6C (SNJ-4) | Airworthiness Directives; North American Models BC-1A, AT-6, AT-6A, AT-6B, and AT-6C Aircraft |
| aircraft | The Boeing Company | BC-1A | Airworthiness Directives; North American Models BC-1A, AT-6, AT-6A, AT-6B, and AT-6C Aircraft |
Unsafe Condition
Failure of the elevator rear stop on the horizontal stabilizer rear spar could result in improper elevator travel limits and loss of control.
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Required Actions
Inspect airplanes with Vest Two-Place Chum Seats installed before October 9, 1946, to ensure an elevator rear stop is installed, and verify modification includes revised self-aligning rudder balance brackets, rudder balance cable, rudder pedal adjustment bar, and reinforcement plates on the firewall as per Vest Installation Instructions dated October 9, 1946.
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Compliance Time
prior to January 1, 1947
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Affected Aircraft
North American Models BC-1A, AT-6, AT-6A, AT-6B, and AT-6C Aircraft with Vest Two-Place Chum Seats installed prior to October 9, 1946.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Elevator Stop
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_46-46-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 46-46-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; North American Models BC-1A, AT-6, AT-6A, AT-6B, and AT-6C Aircraft Subject: Elevator Stop Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: The Boeing Company Model: AT-6 (SNJ-2) | AT-6A (SNJ-3) | AT-6B | AT-6C (SNJ-4) | BC-1A Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 46-46-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 46-46-02 SUBJECT HEADING: Airworthiness Directives; North American Models BC-1A, AT-6, AT-6A, AT-6B, and AT-6C Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 46-46-02 NORTH AMERICAN: Was Mandatory Note 6 of AD-2-575-3.) Applies to Army BC-1A, AT-6, -6A, -6B, -6C; Navy SNJ-2, -3, -4 Aircraft. To be accomplished prior to January 1, 1947. Inspect all airplanes having Vest Two-Place Chum Seats installed prior to October 9, 1946, to determine that an elevator rear stop is installed on the horizontal stabilizer rear spar directly in front of the elevator horn and that the modification incorporates revised self-aligning rudder balance brackets, rudder balance cable, rudder pedal adjustment bar and reinforcement plates on forward side of firewall at the balance pulley bracket attachment points in accordance with Vest Installation Instructions dated October 9, 1946. FOOTER:
Document Text
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AD Final Rules - DRS_46-46-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 46-46-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; North American Models BC-1A, AT-6, AT-6A, AT-6B, and AT-6C Aircraft Subject: Elevator Stop Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: The Boeing Company Model: AT-6 (SNJ-2) | AT-6A (SNJ-3) | AT-6B | AT-6C (SNJ-4) | BC-1A Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 46-46-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 46-46-02 SUBJECT HEADING: Airworthiness Directives; North American Models BC-1A, AT-6, AT-6A, AT-6B, and AT-6C Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 46-46-02 NORTH AMERICAN: Was Mandatory Note 6 of AD-2-575-3.) Applies to Army BC-1A, AT-6, -6A, -6B, -6C; Navy SNJ-2, -3, -4 Aircraft. To be accomplished prior to January 1, 1947. Inspect all airplanes having Vest Two-Place Chum Seats installed prior to October 9, 1946, to determine that an elevator rear stop is installed on the horizontal stabilizer rear spar directly in front of the elevator horn and that the modification incorporates revised self-aligning rudder balance brackets, rudder balance cable, rudder pedal adjustment bar and reinforcement plates on forward side of firewall at the balance pulley bracket attachment points in accordance with Vest Installation Instructions dated October 9, 1946. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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