AD 75-21-03
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters | SA.316B Alouette III | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale (formerly Sud Aviation) Model Alouette III SE.3160, SA.316B, SA.316C, and SA.319B Helicopters |
| aircraft | Airbus Helicopters | SA.316C Alouette III | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale (formerly Sud Aviation) Model Alouette III SE.3160, SA.316B, SA.316C, and SA.319B Helicopters |
| aircraft | Airbus Helicopters | SA.319B Alouette III | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale (formerly Sud Aviation) Model Alouette III SE.3160, SA.316B, SA.316C, and SA.319B Helicopters |
| aircraft | Airbus Helicopters | SE.3160 Alouette III | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale (formerly Sud Aviation) Model Alouette III SE.3160, SA.316B, SA.316C, and SA.319B Helicopters |
Unsafe Condition
Failure of the tail boom due to loose rivets at Frame 8 in the upper section of the tailboom.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Check the upper section of the tailboom at Frame 8 for loose rivets within 10 hours' time in service after the effective date, and repeat at intervals not exceeding 50 hours' time in service. If more than one rivet is loose, reinforce the tail boom attachment per Service Bulletin 53.31 before further flight. If only one rivet is loose, reinforce within 400 hours' time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 10 hours' time in service after the effective date of this AD, and thereafter at intervals not to exceed 50 hours' time in service since the last check, until reinforced.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Societe Nationale Industrielle Aerospatiale (formerly Sud Aviation) Model Alouette III SE.3160, SA.316B, SA.316C, and SA.319B helicopters with tail boom P/N 3160S.23.11.000.9 to 3160S.23.11.000.13, inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Tail Boom
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-21-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-21-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale (formerly Sud Aviation) Model ...Show more Subject: Tail Boom Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/20/1975 Make: Airbus Helicopters Model: SA.316B Alouette III | SA.316C Alouette III | SA.319B Alouette III | SE.3160 Alouette III 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: 75-21-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2381 AD NUMBER: 75-21-03 SUBJECT HEADING: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale (formerly Sud Aviation) Model Alouette III SE.3160, SA.316B, SA.316C, and SA.319B Helicopters ACTION: SUMMARY: DATES: Effective October 20, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-21-03 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (formerly Sud Aviation). Amendment 39-2381. Applies to Alouette III Model SE.3160, SA.316B, SA.316C, and SA.319B helicopters incorporating tail boom P/N 3160S.23.11.000.9 to 3160S.23.11.000.13, inclusive, certificated in all categories. Compliance is required as indicated, unless already accomplished in accordance with Alouette Service Bulletin No. 53.31. To prevent failure of the tail boom, accomplish the following: (a) Within the next 10 hours' time in service after the effective date of this AD, and thereafter at intervals not to exceed 50 hours' time in service since the last check, until reinforced in accordance with paragraph (d) of this AD, check the upper section of the tailboom at Frame 8 for loose rivets. (b) If more than one rivet is found loose, comply with paragraph (d) of this AD before further flight, except that the helicopter may be flown in accordance with FAR Sections 21.197 and 21.199 to a base where the work can be performed. (c) If no more than one rivet is found loose, within the next 400 hours' time in service after the effective date of this AD, comply with paragraph (d) of this AD. (d) Where required by paragraph (b) or (c) of this AD, reinforce the tail boom attachment at Frame 8 in accordance with subparagraph 1C of Alouette Service Bulletin No. 53.31, as revised April 29, 1974, or equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Region, c/o American Embassy, A.P.O. New York, N.Y. 09667. The checks required by paragraph (a) of this AD may be performed by the pilot. This amendment becomes effective October 20, 1975. FOOTER:
Document Text
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AD Final Rules - DRS_75-21-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-21-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale (formerly Sud Aviation) Model ...Show more Subject: Tail Boom Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/20/1975 Make: Airbus Helicopters Model: SA.316B Alouette III | SA.316C Alouette III | SA.319B Alouette III | SE.3160 Alouette III 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: 75-21-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2381 AD NUMBER: 75-21-03 SUBJECT HEADING: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale (formerly Sud Aviation) Model Alouette III SE.3160, SA.316B, SA.316C, and SA.319B Helicopters ACTION: SUMMARY: DATES: Effective October 20, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-21-03 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (formerly Sud Aviation). Amendment 39-2381. Applies to Alouette III Model SE.3160, SA.316B, SA.316C, and SA.319B helicopters incorporating tail boom P/N 3160S.23.11.000.9 to 3160S.23.11.000.13, inclusive, certificated in all categories. Compliance is required as indicated, unless already accomplished in accordance with Alouette Service Bulletin No. 53.31. To prevent failure of the tail boom, accomplish the following: (a) Within the next 10 hours' time in service after the effective date of this AD, and thereafter at intervals not to exceed 50 hours' time in service since the last check, until reinforced in accordance with paragraph (d) of this AD, check the upper section of the tailboom at Frame 8 for loose rivets. (b) If more than one rivet is found loose, comply with paragraph (d) of this AD before further flight, except that the helicopter may be flown in accordance with FAR Sections 21.197 and 21.199 to a base where the work can be performed. (c) If no more than one rivet is found loose, within the next 400 hours' time in service after the effective date of this AD, comply with paragraph (d) of this AD. (d) Where required by paragraph (b) or (c) of this AD, reinforce the tail boom attachment at Frame 8 in accordance with subparagraph 1C of Alouette Service Bulletin No. 53.31, as revised April 29, 1974, or equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Region, c/o American Embassy, A.P.O. New York, N.Y. 09667. The checks required by paragraph (a) of this AD may be performed by the pilot. This amendment becomes effective October 20, 1975. FOOTER:
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