AD 72-19-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | 206A | Airworthiness Directives; Bell Models 206A, 206B, 206A-1 and 206B-1 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206A-1 (OH-58A) | Airworthiness Directives; Bell Models 206A, 206B, 206A-1 and 206B-1 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206B | Airworthiness Directives; Bell Models 206A, 206B, 206A-1 and 206B-1 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206B-1 | Airworthiness Directives; Bell Models 206A, 206B, 206A-1 and 206B-1 Helicopters |
Unsafe Condition
Failure of the main rotor retention strap fitting, P/N 206-010-155-7, and the main rotor retention strap pin, P/N 206-010-123-1.
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Required Actions
Remove and replace retention strap fittings P/N 206-010-155-7 and pins P/N 206-010-123-1 based on their total time in service as of the effective date. Fittings/pins with 90+ hours must be replaced within 10 hours time in service; those with less than 90 hours must be replaced before accumulating 100 hours. Exclusions apply for P/N 206-010-155-11/-15 and P/N 206-010-123-3.
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Compliance Time
Within the next 10 hours time in service or prior to accumulating 100 hours time in service, depending on the item's total time in service as of the effective date.
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Affected Aircraft
Bell Helicopter Textron Canada Limited Models 206A, 206B, 206A-1 (OH-58A), and 206B-1 helicopters certificated in all categories.
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Federal Register Abstract
Main Rotor Retention Straps
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_72-19-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 72-19-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Models 206A, 206B, 206A-1 and 206B-1 Helicopters Subject: Main Rotor Retention Straps Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/15/1972 Make: Bell Helicopter Textron Canada Limited Model: 206A | 206A-1 (OH-58A) | 206B | 206B-1 Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 72-19-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1517 AD NUMBER: 72-19-01 SUBJECT HEADING: Airworthiness Directives; Bell Models 206A, 206B, 206A-1 and 206B-1 Helicopters ACTION: SUMMARY: DATES: Effective September 15, 1972. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 72-19-01 BELL: Amdt. 39-1517. Applies to Bell Models 206A, 206B, 206A-1 and 206B-1 helicopters certificated in all categories. Compliance required as indicated. To prevent possible failure of the main rotor retention strap fitting, P/N 206-010-155-7, and the main rotor retention strap pin, P/N 206-010-123-1, accomplish the following: (a) Remove and replace retention strap fittings, P/N 206-010-155-7, with 90 or more hours total time in service on the effective date of this A.D., within the next 10 hours time in service. (b) Remove and replace retention strap fittings, P/N 206-010-155-7, with less than 90 hours total time in service on the effective date of this A.D. prior to accumulating 100 hours time in service. (c) Remove and replace retention strap pins, P/N 206-010-123-1, with 90 or more hours total time in service on the effective date of this A.D. within the next 10 hours time in service. (d) Remove and replace retention strap pins, P/N 206-010-123-1, with less than 90 hours total time in service on the effective date of this A.D., prior to accumulating 100 hours time in service. (e) The requirements of paragraphs (a) and (b) are not applicable to main rotor retention strap fittings, P/N 206-010-155-11 or -15. The requirements of paragraphs (c) and (d) are not applicable to main rotor retention strap pins, P/N 206-010-123-3. This supersedes Amendment 39-1510 (37 F.R. 17544), A.D. 72-18-05, which superseded 72-17-04. This amendment becomes effective September 15, 1972. FOOTER:
Document Text
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AD Final Rules - DRS_72-19-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 72-19-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Models 206A, 206B, 206A-1 and 206B-1 Helicopters Subject: Main Rotor Retention Straps Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/15/1972 Make: Bell Helicopter Textron Canada Limited Model: 206A | 206A-1 (OH-58A) | 206B | 206B-1 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: 72-19-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1517 AD NUMBER: 72-19-01 SUBJECT HEADING: Airworthiness Directives; Bell Models 206A, 206B, 206A-1 and 206B-1 Helicopters ACTION: SUMMARY: DATES: Effective September 15, 1972. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 72-19-01 BELL: Amdt. 39-1517. Applies to Bell Models 206A, 206B, 206A-1 and 206B-1 helicopters certificated in all categories. Compliance required as indicated. To prevent possible failure of the main rotor retention strap fitting, P/N 206-010-155-7, and the main rotor retention strap pin, P/N 206-010-123-1, accomplish the following: (a) Remove and replace retention strap fittings, P/N 206-010-155-7, with 90 or more hours total time in service on the effective date of this A.D., within the next 10 hours time in service. (b) Remove and replace retention strap fittings, P/N 206-010-155-7, with less than 90 hours total time in service on the effective date of this A.D. prior to accumulating 100 hours time in service. (c) Remove and replace retention strap pins, P/N 206-010-123-1, with 90 or more hours total time in service on the effective date of this A.D. within the next 10 hours time in service. (d) Remove and replace retention strap pins, P/N 206-010-123-1, with less than 90 hours total time in service on the effective date of this A.D., prior to accumulating 100 hours time in service. (e) The requirements of paragraphs (a) and (b) are not applicable to main rotor retention strap fittings, P/N 206-010-155-11 or -15. The requirements of paragraphs (c) and (d) are not applicable to main rotor retention strap pins, P/N 206-010-123-3. This supersedes Amendment 39-1510 (37 F.R. 17544), A.D. 72-18-05, which superseded 72-17-04. This amendment becomes effective September 15, 1972. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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