AD 58-01-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Helio Aircraft LLC | H-391B | Airworthiness Directives; Helio Model H-391B Aircraft |
Unsafe Condition
Cracks have been found in the aileron-interceptor actuator bellcranks at the attachment of the control cables.
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Required Actions
Visually inspect the aileron-interceptor actuator bellcranks at the attachment of the control cables. Replace cracked bellcranks.
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Compliance Time
within the next 100 hours
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Affected Aircraft
Helio Aircraft LLC Model H-391B, Serial Numbers 003 to 063 Inclusive.
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Federal Register Abstract
Aileron Bellcrank Inspection
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_58-01-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 58-01-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Helio Model H-391B Aircraft Subject: Aileron Bellcrank Inspection Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Helio Aircraft LLC Model: H-391B Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 58-01-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 58-01-04 SUBJECT HEADING: Airworthiness Directives; Helio Model H-391B Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 58-01-04 HELIO: Applies to Model H-391B Aircraft, Serial Numbers 003 to 063 Inclusive. Several aileron-interceptor actuator bellcranks have been found to be cracked. Accordingly, the following inspection and replacement programs are required as indicated. Compliance required within the next 100 hours. Visually inspect the aileron-interceptor actuator bellcranks at the attachment of the control cables. Cracked bellcranks must be replaced. (Helio Service Bulletin No. 16 covers this subject.) FOOTER:
Document Text
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AD Final Rules - DRS_58-01-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 58-01-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Helio Model H-391B Aircraft Subject: Aileron Bellcrank Inspection Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Helio Aircraft LLC Model: H-391B Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 58-01-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 58-01-04 SUBJECT HEADING: Airworthiness Directives; Helio Model H-391B Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 58-01-04 HELIO: Applies to Model H-391B Aircraft, Serial Numbers 003 to 063 Inclusive. Several aileron-interceptor actuator bellcranks have been found to be cracked. Accordingly, the following inspection and replacement programs are required as indicated. Compliance required within the next 100 hours. Visually inspect the aileron-interceptor actuator bellcranks at the attachment of the control cables. Cracked bellcranks must be replaced. (Helio Service Bulletin No. 16 covers this subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.
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