AD 79-17-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 76 | Airworthiness Directives; BEECH Model 76 Airplanes |
Unsafe Condition
Collapse of the main landing gear due to insufficient clevis pin strength.
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Required Actions
Install new part number MS20392-2C67 clevis pins in the left and right main landing gear fork and fork pin within 25 hours time-in-service after the effective date. Use Beechcraft Service Instructions Number 1073 and specified tools including a 3/16 inch diameter carbide tip drill bit, drill press, and clamping equipment.
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Compliance Time
within the next twenty-five (25) hours time-in-service after the effective date of this AD
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Affected Aircraft
BEECH Model 76 Airplanes (Serial Numbers ME-1 through ME-228)
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Federal Register Abstract
Main Landing Gear Clevis Pin
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_79-17-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 79-17-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BEECH Model 76 Airplanes Subject: Main Landing Gear Clevis Pin Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/27/1979 Make: Textron Aviation Inc. Model: 76 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 79-17-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3532 AD NUMBER: 79-17-06 SUBJECT HEADING: Airworthiness Directives; BEECH Model 76 Airplanes ACTION: SUMMARY: DATES: Effective August 27, 1979. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 79-17-06 BEECH: Amendment 39-3532. Applies to Model 76 (Serial Numbers ME-1 through ME-228) Airplanes certificated in all categories. COMPLIANCE: Required as indicated unless already accomplished. To prevent possible collapse of the main landing gear, accomplish the following: A) Within the next twenty-five (25) hours time-in-service after the effective date of this AD, install a new part number MS20392-2C67 clevis pin, common to the main landing gear fork and the fork pin, in the left and right main landing gear in accordance with procedures in Beechcraft Service Instructions Number 1073. NOTE: Installation of the new larger clevis pins requires a 3/16 (.1875) inch diameter carbide tip drill bit, drill press and a suitable drill press vise or "V" blocks and clamps to hold the fork pin while enlarging the clevis pin hole. B) Aircraft may be flown in accordance with Federal Aviation Regulation 21.197 to a location where this AD can be accomplished. C) Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. This amendment becomes effective August 27, 1979. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_79-17-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 79-17-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BEECH Model 76 Airplanes Subject: Main Landing Gear Clevis Pin Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/27/1979 Make: Textron Aviation Inc. Model: 76 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: 79-17-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3532 AD NUMBER: 79-17-06 SUBJECT HEADING: Airworthiness Directives; BEECH Model 76 Airplanes ACTION: SUMMARY: DATES: Effective August 27, 1979. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 79-17-06 BEECH: Amendment 39-3532. Applies to Model 76 (Serial Numbers ME-1 through ME-228) Airplanes certificated in all categories. COMPLIANCE: Required as indicated unless already accomplished. To prevent possible collapse of the main landing gear, accomplish the following: A) Within the next twenty-five (25) hours time-in-service after the effective date of this AD, install a new part number MS20392-2C67 clevis pin, common to the main landing gear fork and the fork pin, in the left and right main landing gear in accordance with procedures in Beechcraft Service Instructions Number 1073. NOTE: Installation of the new larger clevis pins requires a 3/16 (.1875) inch diameter carbide tip drill bit, drill press and a suitable drill press vise or "V" blocks and clamps to hold the fork pin while enlarging the clevis pin hole. B) Aircraft may be flown in accordance with Federal Aviation Regulation 21.197 to a location where this AD can be accomplished. C) Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. This amendment becomes effective August 27, 1979. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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