AD 75-26-02
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters | SA.315B Alouette III | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale, (S.N.I.A.S., formerly Sud Aviation) Models SA-315B, SE-3160, SA-316B, SA-316C, and SA-319B Helicopter |
| aircraft | Airbus Helicopters | SA.316B Alouette III | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale, (S.N.I.A.S., formerly Sud Aviation) Models SA-315B, SE-3160, SA-316B, SA-316C, and SA-319B Helicopter |
| aircraft | Airbus Helicopters | SA.316C Alouette III | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale, (S.N.I.A.S., formerly Sud Aviation) Models SA-315B, SE-3160, SA-316B, SA-316C, and SA-319B Helicopter |
| aircraft | Airbus Helicopters | SA.319B Alouette III | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale, (S.N.I.A.S., formerly Sud Aviation) Models SA-315B, SE-3160, SA-316B, SA-316C, and SA-319B Helicopter |
| aircraft | Airbus Helicopters | SE.3160 Alouette III | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale, (S.N.I.A.S., formerly Sud Aviation) Models SA-315B, SE-3160, SA-316B, SA-316C, and SA-319B Helicopter |
Unsafe Condition
Failure of the fixed levers of the main rotor head hydraulic drag dampers due to cracks in the area of the eccentric attachment hole.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Daily visual inspections for cracks in the fixed levers until paragraph (c) is completed. Replace any cracked levers before flight. Within 100 hours after the effective date, remove, inspect, rectify, and reinstall the dampers per specified service bulletins.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 100 hours' time in service after the effective date of this AD
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Affected Aircraft
Societe Nationale Industrielle Aerospatiale models SA-315B, SE-3160, SA-316B, SA-316C, and SA-319B helicopters with main rotor heads P/N's 3160S.12.10.000.11 through .14, P/N's 3160S.12.20.000.4 through .7, modified per Modification No. S296-AM 1108 or Service Bulletin No. 65-52, or P/N's 3160S.12.20.000.1 through .3 modified per Modification No. S296-AM 1108 or Service Bulletin No. 65-52.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Main Rotor Head
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-26-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-26-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale, (S.N.I.A.S., formerly Sud Avi...Show more Subject: Main Rotor Head Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/23/1975 Make: Airbus Helicopters Model: SA.315B Alouette III | SA.316B Alouette III | SA.316C Alouette III | SA.319B Alouette III | SE.3160 ...Show more 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: 75-26-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2454 AD NUMBER: 75-26-02 SUBJECT HEADING: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale, (S.N.I.A.S., formerly Sud Aviation) Models SA-315B, SE-3160, SA-316B, SA-316C, and SA-319B Helicopter ACTION: SUMMARY: DATES: Effective December 23, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-26-02 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE, (S.N.I.A.S., formerly Sud Aviation). Amendment 39-2454. Applies to Aerospatiale Alouette III Helicopter Models SA-315B, SE-3160, SA-316B, SA-316C, and SA-319B, certificated in all categories, incorporating main rotor heads P/N's 3160S. 12.10.000.11 through .14, P/N's 3160S. 12.20.000.4 through .7, P/N's 3160S.12.10.000.1 through .10 modified in accordance with Modification No. S296-AM 1108 or Alouette Service Bulletin No. 65-52, or P/N's 3160S.12.20.000.1 through .3 modified in accordance with Modification No. S296-AM 1108 or Alouette Service Bulletin No. 65-52. Compliance is required as indicated, unless already accomplished. To prevent failure of the fixed levers of the main rotor head hydraulic drag dampers, accomplish the following: (a) Upon the effective date of this AD, and thereafter once on each day of operation, until accomplishment of paragraph (c) of this AD, visually inspect each of the three hydraulic damper fixed levers for cracks in the area of the eccentric attachment hole. (b) If cracks are found in any hydraulic damper fixed levers, before further flight, replace the cracked hydraulic damper fixed lever with a serviceable unit of the same part number. (c) Within the next 100 hours' time in service after the effective date of this AD, remove the three hydraulic drag dampers from the main rotor head, inspect, rectify as necessary, and reinstall in accordance with subparagraph 1C of Lama Service Bulletin No. 65.15, dated September 23, 1974, for Model SA-315B, or subparagraph 1C of Alouette Service Bulletin No. 65.101, dated September 23, 1974, for the other designated models, or an FAA-approved equivalent of the applicable Service Bulletin. This amendment becomes effective December 23, 1975. FOOTER:
Document Text
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AD Final Rules - DRS_75-26-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-26-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale, (S.N.I.A.S., formerly Sud Avi...Show more Subject: Main Rotor Head Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/23/1975 Make: Airbus Helicopters Model: SA.315B Alouette III | SA.316B Alouette III | SA.316C Alouette III | SA.319B Alouette III | SE.3160 ...Show more 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: 75-26-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2454 AD NUMBER: 75-26-02 SUBJECT HEADING: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale, (S.N.I.A.S., formerly Sud Aviation) Models SA-315B, SE-3160, SA-316B, SA-316C, and SA-319B Helicopter ACTION: SUMMARY: DATES: Effective December 23, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-26-02 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE, (S.N.I.A.S., formerly Sud Aviation). Amendment 39-2454. Applies to Aerospatiale Alouette III Helicopter Models SA-315B, SE-3160, SA-316B, SA-316C, and SA-319B, certificated in all categories, incorporating main rotor heads P/N's 3160S. 12.10.000.11 through .14, P/N's 3160S. 12.20.000.4 through .7, P/N's 3160S.12.10.000.1 through .10 modified in accordance with Modification No. S296-AM 1108 or Alouette Service Bulletin No. 65-52, or P/N's 3160S.12.20.000.1 through .3 modified in accordance with Modification No. S296-AM 1108 or Alouette Service Bulletin No. 65-52. Compliance is required as indicated, unless already accomplished. To prevent failure of the fixed levers of the main rotor head hydraulic drag dampers, accomplish the following: (a) Upon the effective date of this AD, and thereafter once on each day of operation, until accomplishment of paragraph (c) of this AD, visually inspect each of the three hydraulic damper fixed levers for cracks in the area of the eccentric attachment hole. (b) If cracks are found in any hydraulic damper fixed levers, before further flight, replace the cracked hydraulic damper fixed lever with a serviceable unit of the same part number. (c) Within the next 100 hours' time in service after the effective date of this AD, remove the three hydraulic drag dampers from the main rotor head, inspect, rectify as necessary, and reinstall in accordance with subparagraph 1C of Lama Service Bulletin No. 65.15, dated September 23, 1974, for Model SA-315B, or subparagraph 1C of Alouette Service Bulletin No. 65.101, dated September 23, 1974, for the other designated models, or an FAA-approved equivalent of the applicable Service Bulletin. This amendment becomes effective December 23, 1975. FOOTER:
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