AD 82-06-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky Aircraft Corporation | S-76A | Airworthiness Directives; SIKORSKY AIRCRAFT DIVISION Model S-76A Helicopters |
Unsafe Condition
Possible loss of both DC generators due to loss of ground in the DC junction box ground circuits.
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Required Actions
Modify DC junction box ground circuits in accordance with Sikorsky Alert Service Bulletin 76-24-7 or an equivalent means of compliance approved by the FAA.
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Compliance Time
within the next 50 hours' time in service after the effective date of the AD
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Affected Aircraft
SIKORSKY AIRCRAFT DIVISION Model S-76A helicopters, prior to S/N 760207
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Federal Register Abstract
DC Generators
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_82-06-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 82-06-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SIKORSKY AIRCRAFT DIVISION Model S-76A Helicopters Subject: DC Generators Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/22/1982 Make: Sikorsky Aircraft Corporation Model: S-76A Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 82-06-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4348 AD NUMBER: 82-06-08 SUBJECT HEADING: Airworthiness Directives; SIKORSKY AIRCRAFT DIVISION Model S-76A Helicopters ACTION: SUMMARY: DATES: Effective March 22, 1982. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 82-06-08 SIKORSKY AIRCRAFT DIVISION: Amendment 39-4348. Applies to Model S-76A helicopters, prior to S/N 760207, certificated in all categories. Compliance is required within the next 50 hours' time in service after the effective date of the AD unless already accomplished. To prevent possible loss of both DC generators due to loss of ground, modify DC junction box ground circuits in accordance with Sikorsky Alert Service Bulletin 76-24-7, dated February 3, 1982, or an equivalent means of compliance approved by the Chief, Boston Aircraft Certification Branch, Aircraft Certification Division, New England Region, Federal Aviation Administration. This amendment becomes effective March 22, 1982. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_82-06-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 82-06-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SIKORSKY AIRCRAFT DIVISION Model S-76A Helicopters Subject: DC Generators Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/22/1982 Make: Sikorsky Aircraft Corporation Model: S-76A 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: 82-06-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4348 AD NUMBER: 82-06-08 SUBJECT HEADING: Airworthiness Directives; SIKORSKY AIRCRAFT DIVISION Model S-76A Helicopters ACTION: SUMMARY: DATES: Effective March 22, 1982. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 82-06-08 SIKORSKY AIRCRAFT DIVISION: Amendment 39-4348. Applies to Model S-76A helicopters, prior to S/N 760207, certificated in all categories. Compliance is required within the next 50 hours' time in service after the effective date of the AD unless already accomplished. To prevent possible loss of both DC generators due to loss of ground, modify DC junction box ground circuits in accordance with Sikorsky Alert Service Bulletin 76-24-7, dated February 3, 1982, or an equivalent means of compliance approved by the Chief, Boston Aircraft Certification Branch, Aircraft Certification Division, New England Region, Federal Aviation Administration. This amendment becomes effective March 22, 1982. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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