AD 69-16-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | 206A | Airworthiness Directives; Bell Model 206A Helicopters |
Unsafe Condition
Failure of the spool valve wire drive in control system hydraulic actuators could result in hazardous forces in the control system.
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Required Actions
Remove all cyclic, collective, and directional hydraulic actuators P/N 41103750, 41103750-2, and 41103650-005 and replace with hydraulic research and manufacturing hydraulic actuators P/N 41103750-003 (cyclic and collective) and 41103650-007 (directional).
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Compliance Time
Within the next 25 hours of flight time for helicopters with 850 hours or more of hydraulic actuator time; compliance required when 875 hours of hydraulic actuator time has been attained for helicopters with less than 850 hours of hydraulic actuator operating time.
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Affected Aircraft
Bell Helicopter Textron Canada Limited Model 206A Helicopters with wire drive P/N 30000649 installed in control system hydraulic actuators P/N 41103750, P/N 41103750-2, or P/N 41103650-005.
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Federal Register Abstract
Hydraulic Actuators
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_69-16-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-16-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 206A Helicopters Subject: Hydraulic Actuators Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/06/1969 Make: Bell Helicopter Textron Canada Limited Model: 206A Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 69-16-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-812 AD NUMBER: 69-16-02 SUBJECT HEADING: Airworthiness Directives; Bell Model 206A Helicopters ACTION: SUMMARY: DATES: Effective August 6, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-16-02 BELL: Amdt. 39-812. Applies to Bell Model 206A Helicopters with wire drive P/N 30000649 installed in control system hydraulic actuators P/N 41103750, P/N 41103750-2 or P/N 41103650-005. Compliance required as follows after the effective date of this AD unless already accomplished: 1. For helicopters with 850 hours or more of hydraulic actuator time, compliance is required within the next 25 hours of flight time. 2. For helicopters with less than 850 hours of hydraulic actuator operating time, compliance is required when 875 hours of hydraulic actuator time has been attained. To prevent hazardous forces in the control system resulting from failure of the spool valve wire drive, accomplish the following: Remove all cyclic, collective and directional hydraulic actuators P/N 41103750, 41103750-2, and 41103650-005 and replace with hydraulic research and manufacturing hydraulic actuators P/N 41103750-003 (cyclic and collective) and 41103650-007 (directional). (Bell Helicopter Company Service Bulletin No. 206A 12, dated 7/25/69, pertains to this matter.) This amendment becomes effective on August 6, 1969. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_69-16-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-16-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 206A Helicopters Subject: Hydraulic Actuators Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/06/1969 Make: Bell Helicopter Textron Canada Limited Model: 206A 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: 69-16-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-812 AD NUMBER: 69-16-02 SUBJECT HEADING: Airworthiness Directives; Bell Model 206A Helicopters ACTION: SUMMARY: DATES: Effective August 6, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-16-02 BELL: Amdt. 39-812. Applies to Bell Model 206A Helicopters with wire drive P/N 30000649 installed in control system hydraulic actuators P/N 41103750, P/N 41103750-2 or P/N 41103650-005. Compliance required as follows after the effective date of this AD unless already accomplished: 1. For helicopters with 850 hours or more of hydraulic actuator time, compliance is required within the next 25 hours of flight time. 2. For helicopters with less than 850 hours of hydraulic actuator operating time, compliance is required when 875 hours of hydraulic actuator time has been attained. To prevent hazardous forces in the control system resulting from failure of the spool valve wire drive, accomplish the following: Remove all cyclic, collective and directional hydraulic actuators P/N 41103750, 41103750-2, and 41103650-005 and replace with hydraulic research and manufacturing hydraulic actuators P/N 41103750-003 (cyclic and collective) and 41103650-007 (directional). (Bell Helicopter Company Service Bulletin No. 206A 12, dated 7/25/69, pertains to this matter.) This amendment becomes effective on August 6, 1969. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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