AD 65-21-01
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bendix | Starters | Airworthiness Directives; BENDIX: Applies to Bendix Model Nos. 756-10C, -16A, -22C, -22E, -54C, -56C, -56E, -62C, -62D, -64C, -64D, -74B, -76A, and Garwin G-760 Starters Installed on Lycoming Engines only. |
| appliance | Bendix | Starters | Airworthiness Directives; BENDIX: Applies to Bendix Model Nos. 756-10C, -16A, -22C, -22E, -54C, -56C, -56E, -62C, -62D, -64C, -64D, -74B, -76A, and Garwin G-760 Starters Installed on Lycoming Engines only. |
Unsafe Condition
Starter jaw ratcheting and failure to disengage from the engine, leading to jaw fracturing and potential engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify starters with less than 900 hours' time in service by installing Bendix Service Kit SK-159 per Service Bulletins 93a and 94. Starters with 900+ hours must be modified within 100 hours' in service after the AD effective date using the same service kit unless already modified with SK-111.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to 1,000 hours' in service for starters with less than 900 hours' time in service as of the effective date. Within the next 100 hours' in service after the effective date for starters with 900+ hours' time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bendix Model Nos. 756-10C, -16A, -22C, -22E, -54C, -56C, -56E, -62C, -62D, -64C, -64D, -74B, -76A, and Garwin G-760 Starters installed on Lycoming Engines only.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Starters
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_65-21-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 65-21-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BENDIX: Applies to Bendix Model Nos. 756-10C, -16A, -22C, -22E, -54C, -5...Show more Subject: Starters Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/28/1975 Make: Bendix Model: Starters Product Type: Appliance Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 65-21-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2077 AD NUMBER: 65-21-01 SUBJECT HEADING: Airworthiness Directives; BENDIX: Applies to Bendix Model Nos. 756-10C, -16A, -22C, -22E, -54C, -56C, -56E, -62C, -62D, -64C, -64D, -74B, -76A, and Garwin G-760 Starters Installed on Lycoming Engines only. ACTION: SUMMARY: DATES: Effective January 28, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 65-21-01 BENDIX: Amendment 39-901 as amended by Amendment 39-2077. Applies to Bendix Model Nos. 756-10C, -16A, -22C, -22E, -54C, -56C, -56E, -62C, -62D, -64C, -64D, -74B, -76A, and Garwin G-760. Starters Installed on Lycoming Engines only. Compliance required as indicated. To prevent starter jaw ratcheting, and assure positive starter jaw disengagement from the engine, thereby preventing jaw fracturing with associated possibility of engine failure, accomplish the following: (a) Modify engine installed starters having less than 900 hours' in service since new or since overhaul as of the effective date of this AD, in accordance with (c) or (d) prior to 1,000 hours' in service. (b) Modify engine installed starters having 900 hours' or more time in service since new or since overhaul as of the effective date of this AD, in accordance with (c) or (d) within the next 100 hours' in service after the effective date of the AD. (c) Unless previously accomplished, install Bendix Service Kit SK-159 per Bendix Service Bulletin Nos. 93a and 94 in those model starters listed above that have a torque rating over 250 lb./ft. The service kit incorporates modified components and rework procedure. (d) Unless previously modified with Service Kit SK-111, install Service Kit SK-159 per Bendix S/B 93a and 94 in those model starters that have a torque rating 250 lb./ft. or lower. Amendment 39-901 was effective January 6, 1970. This Amendment 39-2077 is effective January 28, 1975. FOOTER:
Document Text
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AD Final Rules - DRS_65-21-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 65-21-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BENDIX: Applies to Bendix Model Nos. 756-10C, -16A, -22C, -22E, -54C, -5...Show more Subject: Starters Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/28/1975 Make: Bendix Model: Starters Product Type: Appliance 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: 65-21-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2077 AD NUMBER: 65-21-01 SUBJECT HEADING: Airworthiness Directives; BENDIX: Applies to Bendix Model Nos. 756-10C, -16A, -22C, -22E, -54C, -56C, -56E, -62C, -62D, -64C, -64D, -74B, -76A, and Garwin G-760 Starters Installed on Lycoming Engines only. ACTION: SUMMARY: DATES: Effective January 28, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 65-21-01 BENDIX: Amendment 39-901 as amended by Amendment 39-2077. Applies to Bendix Model Nos. 756-10C, -16A, -22C, -22E, -54C, -56C, -56E, -62C, -62D, -64C, -64D, -74B, -76A, and Garwin G-760. Starters Installed on Lycoming Engines only. Compliance required as indicated. To prevent starter jaw ratcheting, and assure positive starter jaw disengagement from the engine, thereby preventing jaw fracturing with associated possibility of engine failure, accomplish the following: (a) Modify engine installed starters having less than 900 hours' in service since new or since overhaul as of the effective date of this AD, in accordance with (c) or (d) prior to 1,000 hours' in service. (b) Modify engine installed starters having 900 hours' or more time in service since new or since overhaul as of the effective date of this AD, in accordance with (c) or (d) within the next 100 hours' in service after the effective date of the AD. (c) Unless previously accomplished, install Bendix Service Kit SK-159 per Bendix Service Bulletin Nos. 93a and 94 in those model starters listed above that have a torque rating over 250 lb./ft. The service kit incorporates modified components and rework procedure. (d) Unless previously modified with Service Kit SK-111, install Service Kit SK-159 per Bendix S/B 93a and 94 in those model starters that have a torque rating 250 lb./ft. or lower. Amendment 39-901 was effective January 6, 1970. This Amendment 39-2077 is effective January 28, 1975. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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