AD 47-06-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | Army AT-11 | Airworthiness Directives; Beech Models AT-11 and C18S Aircraft |
| aircraft | Textron Aviation Inc. | C18S | Airworthiness Directives; Beech Models AT-11 and C18S Aircraft |
Unsafe Condition
Chafing of starter solenoid and main buss lead wires on the cold air duct junction box or other structure could cause electrical failure or fire.
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Required Actions
Remove battery covers from right and left-hand wing stubs. Inspect starter solenoid and main buss lead wires (numbers 4 and 5 in right wing, 2 and 3 in left wing) for chafing. Support wires with insulated clips if chafing is found to provide ample clearance.
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Compliance Time
Compliance required immediately and after each 100 hours of operation thereafter.
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Affected Aircraft
Beech Models AT-11 and C18S Aircraft
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Starter Solenoid and Buss Lead Wires
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_47-06-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-06-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Beech Models AT-11 and C18S Aircraft Subject: Starter Solenoid and Buss Lead Wires Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Textron Aviation Inc. Model: Army AT-11 | C18S Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-06-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-06-08 SUBJECT HEADING: Airworthiness Directives; Beech Models AT-11 and C18S Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-06-08 BEECH: (Was Service Note 1 of AD-757-2 and Service Note 1 of AD-2-582- 2.) Applies to AT-11 and C18S Aircraft. Compliance required immediately and after each 100 hours of operation thereafter. Remove the battery covers from the right and left-hand wing stubs. Inspect the starter solenoid and main buss lead wires. In the right wing these wires are numbered 4 and 5. In the left wing they are numbered 2 and 3. If these wires show signs of chafing on the cold air duct junction box or any other part of the structure they should be supported by an insulated clip to give ample clearance. (Beech Service Bulletin No. C18-5 covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_47-06-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-06-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Beech Models AT-11 and C18S Aircraft Subject: Starter Solenoid and Buss Lead Wires Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Textron Aviation Inc. Model: Army AT-11 | C18S 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: 47-06-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-06-08 SUBJECT HEADING: Airworthiness Directives; Beech Models AT-11 and C18S Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-06-08 BEECH: (Was Service Note 1 of AD-757-2 and Service Note 1 of AD-2-582- 2.) Applies to AT-11 and C18S Aircraft. Compliance required immediately and after each 100 hours of operation thereafter. Remove the battery covers from the right and left-hand wing stubs. Inspect the starter solenoid and main buss lead wires. In the right wing these wires are numbered 4 and 5. In the left wing they are numbered 2 and 3. If these wires show signs of chafing on the cold air duct junction box or any other part of the structure they should be supported by an insulated clip to give ample clearance. (Beech Service Bulletin No. C18-5 covers this same 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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