AD 62-17-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 278 | BEECH Model 278 Propellers |
| propeller | Textron Aviation Inc. | 278 | BEECH Model 278 Propellers |
Unsafe Condition
Cracks have occurred in the welded joint where the aft side of the hub barrel is joined to the hydraulic cylinder, which could lead to serious oil loss.
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Required Actions
Within 25 hours' time in service after the effective date, and thereafter within each 100 hours' time in service, remove the propeller spinner and visually inspect for cracks and oil leaks in the weld area. At each propeller overhaul, inspect the hub by magnetic particle inspection or FAA approved equivalent method, focusing on the weld area. Replace cracked parts with new parts prior to further flight.
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Compliance Time
Within the next 25 hours' of time in service after the effective date of this AD, and thereafter within each 100 hours' time in service
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Affected Aircraft
All Model 278 Propellers with more than 200 hours' time in service installed in single engine tractor type aircraft such as Beech Model A45 (T-34A), B45, D45 (T-34B), H35, and subsequent Bonanza Aircraft.
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Applicability Source Text
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AD Final Rules - DRS_62-17-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 62-17-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BEECH Model 278 Propellers Subject: Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/27/1962 Make: Textron Aviation Inc. Model: 278 Product Type: Propeller Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 62-17-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-467 AD NUMBER: 62-17-01 SUBJECT HEADING: BEECH Model 278 Propellers ACTION: SUMMARY: DATES: Effective August 27, 1962. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 62-17-01 BEECH: Amdt. 467 Part 507 Federal Register July 26, 1962. Applies to All Model 278 Propellers With More Than 200 Hours' Time in Service Installed in Single Engine Tractor Type Aircraft Such as Beech Model A45 (T-34A), B45, D45 (T-34B), H35, and Subsequent Bonanza Aircraft. Compliance required as indicated. Cracks have occurred in the welded joint where the aft side of the hub barrel is joined to the hydraulic cylinder. Such cracks could lead to serious oil loss. (a) Within the next 25 hours' of time in service after the effective date of this AD, and thereafter within each 100 hours' time in service, remove the propeller spinner and visually inspect for cracks and oil leaks in the weld area where the aft side of the hub barrel is joined to the hydraulic cylinder. (b) At each propeller overhaul inspect the hub by magnetic particle inspection or FAA approved equivalent method. Give particular attention to the weld area where the aft side of the barrel is joined to the hydraulic cylinder. (c) Replace cracked parts with new parts prior to further flight. NOTE: Repairs are not permissible. (Beech Propeller Service Bulletin No. 6 dated January 1962, applies to this subject.) This directive effective August 27, 1962. FOOTER:
Document Text
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AD Final Rules - DRS_62-17-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 62-17-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BEECH Model 278 Propellers Subject: Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/27/1962 Make: Textron Aviation Inc. Model: 278 Product Type: Propeller Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 62-17-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-467 AD NUMBER: 62-17-01 SUBJECT HEADING: BEECH Model 278 Propellers ACTION: SUMMARY: DATES: Effective August 27, 1962. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 62-17-01 BEECH: Amdt. 467 Part 507 Federal Register July 26, 1962. Applies to All Model 278 Propellers With More Than 200 Hours' Time in Service Installed in Single Engine Tractor Type Aircraft Such as Beech Model A45 (T-34A), B45, D45 (T-34B), H35, and Subsequent Bonanza Aircraft. Compliance required as indicated. Cracks have occurred in the welded joint where the aft side of the hub barrel is joined to the hydraulic cylinder. Such cracks could lead to serious oil loss. (a) Within the next 25 hours' of time in service after the effective date of this AD, and thereafter within each 100 hours' time in service, remove the propeller spinner and visually inspect for cracks and oil leaks in the weld area where the aft side of the hub barrel is joined to the hydraulic cylinder. (b) At each propeller overhaul inspect the hub by magnetic particle inspection or FAA approved equivalent method. Give particular attention to the weld area where the aft side of the barrel is joined to the hydraulic cylinder. (c) Replace cracked parts with new parts prior to further flight. NOTE: Repairs are not permissible. (Beech Propeller Service Bulletin No. 6 dated January 1962, applies to this subject.) This directive effective August 27, 1962. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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