AD 49-04-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 35 | Airworthiness Directives; Beech Model 35 Airplanes |
| aircraft | Textron Aviation Inc. | 35-33 | Airworthiness Directives; Beech Model 35 Airplanes |
| aircraft | Textron Aviation Inc. | 35-A33 | Airworthiness Directives; Beech Model 35 Airplanes |
| aircraft | Textron Aviation Inc. | 35-B33 | Airworthiness Directives; Beech Model 35 Airplanes |
| aircraft | Textron Aviation Inc. | 35-C33 | Airworthiness Directives; Beech Model 35 Airplanes |
| aircraft | Textron Aviation Inc. | 35-C33A | Airworthiness Directives; Beech Model 35 Airplanes |
| aircraft | Textron Aviation Inc. | 35R | Airworthiness Directives; Beech Model 35 Airplanes |
Unsafe Condition
The aileron control wheel drive chain assembly may have pins without proper up-set heads on each end, leading to pin failure and loss of aileron control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the aileron control wheel drive chain assembly from the control arm, visually inspect the pin through each link for proper up-set heads. Chains with green dyed end ferrules do not require inspection as they have been replaced by Beech facilities.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
At next 100-hour inspection but not later than May 1, 1949.
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Affected Aircraft
Beech Model 35 Serial Numbers D-1 to D-1300, except specific excluded serial numbers listed in the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Aileron Chain
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_49-04-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 49-04-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Beech Model 35 Airplanes Subject: Aileron Chain Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Textron Aviation Inc. Model: 35 | 35-33 | 35-A33 | 35-B33 | 35-C33 | 35-C33A | 35R Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 49-04-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 49-04-01 SUBJECT HEADING: Airworthiness Directives; Beech Model 35 Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 49-04-01 BEECH: Applies to Model 35 Serial Numbers D-1 to D-1300, Except D-69, D- 315, D-356, D-754, D-827, D-1117, D-1120, D-1201, D-1251, D-1274, D-1278, D-1285, D-1289, D-1290, D-1291, D-1293, D-1295, D-1296, D-1298 and D-1299. To be accomplished at next 100-hour inspection but not later than May 1, 1949. Remove aileron control wheel drive chain assembly from the control arm of the specified aircraft, which have not had the chain replaced by Beech facilities, and visually inspect the pin through each link for proper up-set heads on each end of the pin. Chains having end ferrules dyed green have been replaced by Beech facilities and need not be inspected. (Beech Service Bulletin No. 35-8, revised January 3, 1949, covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_49-04-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 49-04-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Beech Model 35 Airplanes Subject: Aileron Chain Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Textron Aviation Inc. Model: 35 | 35-33 | 35-A33 | 35-B33 | 35-C33 | 35-C33A | 35R 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: 49-04-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 49-04-01 SUBJECT HEADING: Airworthiness Directives; Beech Model 35 Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 49-04-01 BEECH: Applies to Model 35 Serial Numbers D-1 to D-1300, Except D-69, D- 315, D-356, D-754, D-827, D-1117, D-1120, D-1201, D-1251, D-1274, D-1278, D-1285, D-1289, D-1290, D-1291, D-1293, D-1295, D-1296, D-1298 and D-1299. To be accomplished at next 100-hour inspection but not later than May 1, 1949. Remove aileron control wheel drive chain assembly from the control arm of the specified aircraft, which have not had the chain replaced by Beech facilities, and visually inspect the pin through each link for proper up-set heads on each end of the pin. Chains having end ferrules dyed green have been replaced by Beech facilities and need not be inspected. (Beech Service Bulletin No. 35-8, revised January 3, 1949, covers this same subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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