AD 53-01-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 35 | Airworthiness Directives; Beech Models 35, A35, B35 and C35 Airplanes |
| aircraft | Textron Aviation Inc. | A35 | Airworthiness Directives; Beech Models 35, A35, B35 and C35 Airplanes |
| aircraft | Textron Aviation Inc. | B35 | Airworthiness Directives; Beech Models 35, A35, B35 and C35 Airplanes |
| aircraft | Textron Aviation Inc. | C35 | Airworthiness Directives; Beech Models 35, A35, B35 and C35 Airplanes |
Unsafe Condition
Binding or stiff operation of the fuel selector valve due to improper installation or clearance between the selector valve cone and index ball retaining plug.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install AN 934-6 'O' ring on indexing ball plug, provide 1/32-inch clearance between selector valve cone and index ball retaining plug, and install Beech 35-921217 spacer beneath fuel selector valve cone.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
as soon as possible but not later than June 1, 1953
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Beech Models 35, A35, B35, and C35 Airplanes, Serial Numbers D-1 Through D-2900, equipped with Beech 35-921171 or 35-924065 Fuel Selector Valve-Hand Pump Units.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Fuel Selector Valve Rework
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_53-01-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 53-01-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Beech Models 35, A35, B35 and C35 Airplanes Subject: Fuel Selector Valve Rework Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Textron Aviation Inc. Model: 35 | A35 | B35 | C35 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 53-01-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 53-01-02 SUBJECT HEADING: Airworthiness Directives; Beech Models 35, A35, B35 and C35 Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 53-01-02 BEECH: Applies to Models 35, A35, B35 and C35 Airplanes, Serial Numbers D-1 Through D-2900, Equipped With Beech 35-921171 or 35-924065 Fuel Selector Valve -Hand Pump Units. Compliance required as soon as possible but not later than June 1, 1953. To prevent binding or stiff operation of the fuel selector valve, accomplish inspections and rework in accordance with Beech service instructions as follows: (1) Install AN 934-6 "O" ring on indexing ball plug in place of lead washer, Beech P/N 105090-L-067-6-020, (2) Provide 1/32-inch clearance between selector valve cone and index ball retaining plug, (3) Install Beech 35-921217 spacer beneath fuel selector valve cone to restrict possible vertical cone movement to 1/32 inch. The 35-924065 and 35-921171 fuel units are identifiable by the feature permitting the fuel tank selector valve and hand emergency fuel pump to be operated by the same handle. (Beech Service Bulletin 35-22, A35-16, B35-9, C35-7, dated October 1, 1952, covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_53-01-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 53-01-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Beech Models 35, A35, B35 and C35 Airplanes Subject: Fuel Selector Valve Rework Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Textron Aviation Inc. Model: 35 | A35 | B35 | C35 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: 53-01-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 53-01-02 SUBJECT HEADING: Airworthiness Directives; Beech Models 35, A35, B35 and C35 Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 53-01-02 BEECH: Applies to Models 35, A35, B35 and C35 Airplanes, Serial Numbers D-1 Through D-2900, Equipped With Beech 35-921171 or 35-924065 Fuel Selector Valve -Hand Pump Units. Compliance required as soon as possible but not later than June 1, 1953. To prevent binding or stiff operation of the fuel selector valve, accomplish inspections and rework in accordance with Beech service instructions as follows: (1) Install AN 934-6 "O" ring on indexing ball plug in place of lead washer, Beech P/N 105090-L-067-6-020, (2) Provide 1/32-inch clearance between selector valve cone and index ball retaining plug, (3) Install Beech 35-921217 spacer beneath fuel selector valve cone to restrict possible vertical cone movement to 1/32 inch. The 35-924065 and 35-921171 fuel units are identifiable by the feature permitting the fuel tank selector valve and hand emergency fuel pump to be operated by the same handle. (Beech Service Bulletin 35-22, A35-16, B35-9, C35-7, dated October 1, 1952, covers this same subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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