AD 72-07-10
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | True Flight Holdings LLC | AA-1 | Airworthiness Directives; Grumman-American Aviation Model AA-1, AA-1A, and AA-1B Airplanes |
| aircraft | True Flight Holdings LLC | AA-1A | Airworthiness Directives; Grumman-American Aviation Model AA-1, AA-1A, and AA-1B Airplanes |
| aircraft | True Flight Holdings LLC | AA-1B | Airworthiness Directives; Grumman-American Aviation Model AA-1, AA-1A, and AA-1B Airplanes |
Unsafe Condition
Wear on the outer surface of the elevator bungee housing assembly and loose rivets in the shear link could result in structural failure of the elevator control system.
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Required Actions
Visually inspect the shear link for loose rivets and the bungee housing outer surface at the support bearing for excessive wear. Replace parts with same part number or FAA-approved equivalent if wear exceeds 0.016 inches or rivets are loose before further flight.
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Compliance Time
within the next 25 hours in service after the effective date of this Airworthiness Directive unless already accomplished within the last 75 hours and thereafter at intervals not to exceed 100 hours in service from the last inspection
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Affected Aircraft
Grumman-American Aviation Models AA-1, AA-1A, and AA-1B certificated in all categories
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Federal Register Abstract
Wear on Elevator Bungee Housing
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_72-07-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 72-07-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Grumman-American Aviation Model AA-1, AA-1A, and AA-1B Airplanes Subject: Wear on Elevator Bungee Housing Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/10/1974 Make: True Flight Holdings LLC Model: AA-1 | AA-1A | AA-1B Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 72-07-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1893 AD NUMBER: 72-07-10 SUBJECT HEADING: Airworthiness Directives; Grumman-American Aviation Model AA-1, AA-1A, and AA-1B Airplanes ACTION: SUMMARY: DATES: Effective July 10, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 72-07-10 GRUMMAN-AMERICAN AVIATION CORPORATION: formerly American Aviation. Amendment 39-1421 as amended by Amendment 39-1893. Applies to American Aviation Models AA-1, AA-1A, and AA-1B certificated in all categories as listed below: Compliance required within the next 25 hours in service after the effective date of this Airworthiness Directive unless already accomplished within the last 75 hours and thereafter at intervals not to exceed 100 hours in service from the last inspection. a) To detect loose rivets in the shear link and excessive wear on the outer surface of the elevator bungee housing assembly, accomplish the following: 1) Visually inspect shear link for loose rivets. (Models AA-1, AA-1A, and AA-1B. 2) Visually inspect the bungee housing outer surface at the support bearing for excessive wear. (Models AA-1 and AA-1A only.) b) Loose rivets or bungee housing outer surface worn more than 0.016 inches deep must be replaced with a part of the same part number or a Federal Aviation Administration approved equivalent part before further flight, except that the airplane may be flown in accordance with FAR 21.197 to a base where the repair can be performed. c) Upon submission of substantiating data by an owner or operator through a Federal Aviation Administration Maintenance Inspector, the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Great Lakes Region, may adjust the repetitive inspection interval specified in this airworthiness directive. Federal Aviation Administration approved equivalent parts will be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Great Lakes Region. NOTE: American Aviation Service Letter No. 71-11A covers this same subject. Amendment 39-1421 became effective April 6, 1972. This Amendment 39-1893 becomes effective July 10, 1974. FOOTER:
Document Text
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AD Final Rules - DRS_72-07-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 72-07-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Grumman-American Aviation Model AA-1, AA-1A, and AA-1B Airplanes Subject: Wear on Elevator Bungee Housing Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/10/1974 Make: True Flight Holdings LLC Model: AA-1 | AA-1A | AA-1B 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: 72-07-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1893 AD NUMBER: 72-07-10 SUBJECT HEADING: Airworthiness Directives; Grumman-American Aviation Model AA-1, AA-1A, and AA-1B Airplanes ACTION: SUMMARY: DATES: Effective July 10, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 72-07-10 GRUMMAN-AMERICAN AVIATION CORPORATION: formerly American Aviation. Amendment 39-1421 as amended by Amendment 39-1893. Applies to American Aviation Models AA-1, AA-1A, and AA-1B certificated in all categories as listed below: Compliance required within the next 25 hours in service after the effective date of this Airworthiness Directive unless already accomplished within the last 75 hours and thereafter at intervals not to exceed 100 hours in service from the last inspection. a) To detect loose rivets in the shear link and excessive wear on the outer surface of the elevator bungee housing assembly, accomplish the following: 1) Visually inspect shear link for loose rivets. (Models AA-1, AA-1A, and AA-1B. 2) Visually inspect the bungee housing outer surface at the support bearing for excessive wear. (Models AA-1 and AA-1A only.) b) Loose rivets or bungee housing outer surface worn more than 0.016 inches deep must be replaced with a part of the same part number or a Federal Aviation Administration approved equivalent part before further flight, except that the airplane may be flown in accordance with FAR 21.197 to a base where the repair can be performed. c) Upon submission of substantiating data by an owner or operator through a Federal Aviation Administration Maintenance Inspector, the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Great Lakes Region, may adjust the repetitive inspection interval specified in this airworthiness directive. Federal Aviation Administration approved equivalent parts will be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Great Lakes Region. NOTE: American Aviation Service Letter No. 71-11A covers this same subject. Amendment 39-1421 became effective April 6, 1972. This Amendment 39-1893 becomes effective July 10, 1974. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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