AD 77-22-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters | SA341G | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale (S.N.I.A.S.) Models SA341G "Gazelle" Helicopters |
Unsafe Condition
Excessive corrosion in landing gear members could lead to structural failure of the landing gear.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the landing gear, inspect for corrosion, replace or turn 180 degrees as necessary, and reinstall in accordance with Service Bulletin No. 01.10 and Repair Manual.
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Compliance Time
within the next 500 hours time in service after the effective date of this AD, but not later than January 31, 1978
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Affected Aircraft
Models SA341G 'Gazelle' helicopters equipped with specific landing gear part numbers and modifications: Low-skid P/Ns 341A.41.5200.00 to .04 without Mod. AMS 07.1349/S.371, P/Ns 341A.41.5200.05 to .11 with Mod. AMS 07.1349 but without Mod. AMS 07.1578/S.440; High-skid P/N 341A.41.5300.00 without Mod. AMS 07.1350, P/Ns 341A.41.5300.01 to .11 with Mod. AMS 07.1350 but without Mod. AMS 07.1579.
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Federal Register Abstract
Landing Gear
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_77-22-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-22-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale (S.N.I.A.S.) Models SA341G "Ga...Show more Subject: Landing Gear Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/28/1977 Make: Airbus Helicopters Model: SA341G Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 77-22-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3068 AD NUMBER: 77-22-04 SUBJECT HEADING: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale (S.N.I.A.S.) Models SA341G "Gazelle" Helicopters ACTION: SUMMARY: DATES: Effective November 28, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-22-04 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (S.N.I.A.S.): Amendment 39-3068. Applies to Models SA341G "Gazelle" helicopters, certificated in all categories, equipped with any of the following landing gear: Low-skid, low-frequency landing gear P/Ns 341A.41.5200.00 to .04 not incorporating Mod. AMS 07.1349/S.371. P/Ns 341A.41.5200.05 to .11 incorporating Mod. AMS 07.1349 but not incorporating Mod. AMS 07.1578/S.440. High-skid, low-frequency landing gear P/N 341A.41.5300.00 not incorporating Mod. AMS 07.1350. P/Ns 341A.41.5300.01 to .11 incorporating Mod. AMS 07.1350 but not incorporating Mod. AMS 07.1579. Compliance is required within the next 500 hours time in service after the effective date of this AD, but not later than January 31, 1978, unless already accomplished. To prevent possible excessive corrosion remove the landing gear, inspect for corrosion, and if corrosion is found, replace, or turn 180 degrees and thereafter replace, the landing gear members, as necessary and reinstall all in accordance with Paragraph C of "Gazelle" Service Bulletin No. 01.10 dated September 12, 1975, revised December 13, 1976 and the Models SA341G "Gazelle" Repair Manual or an FAA approved equivalent. This Amendment becomes effective November 28, 1977. FOOTER:
Document Text
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AD Final Rules - DRS_77-22-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-22-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale (S.N.I.A.S.) Models SA341G "Ga...Show more Subject: Landing Gear Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/28/1977 Make: Airbus Helicopters Model: SA341G Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 77-22-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3068 AD NUMBER: 77-22-04 SUBJECT HEADING: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale (S.N.I.A.S.) Models SA341G "Gazelle" Helicopters ACTION: SUMMARY: DATES: Effective November 28, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-22-04 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (S.N.I.A.S.): Amendment 39-3068. Applies to Models SA341G "Gazelle" helicopters, certificated in all categories, equipped with any of the following landing gear: Low-skid, low-frequency landing gear P/Ns 341A.41.5200.00 to .04 not incorporating Mod. AMS 07.1349/S.371. P/Ns 341A.41.5200.05 to .11 incorporating Mod. AMS 07.1349 but not incorporating Mod. AMS 07.1578/S.440. High-skid, low-frequency landing gear P/N 341A.41.5300.00 not incorporating Mod. AMS 07.1350. P/Ns 341A.41.5300.01 to .11 incorporating Mod. AMS 07.1350 but not incorporating Mod. AMS 07.1579. Compliance is required within the next 500 hours time in service after the effective date of this AD, but not later than January 31, 1978, unless already accomplished. To prevent possible excessive corrosion remove the landing gear, inspect for corrosion, and if corrosion is found, replace, or turn 180 degrees and thereafter replace, the landing gear members, as necessary and reinstall all in accordance with Paragraph C of "Gazelle" Service Bulletin No. 01.10 dated September 12, 1975, revised December 13, 1976 and the Models SA341G "Gazelle" Repair Manual or an FAA approved equivalent. This Amendment becomes effective November 28, 1977. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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