AD 63-22-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Allied Ag Cat Productions, Inc. | G-164 | Airworthiness Directives; Grumman Model G-164 Series Aircraft |
| aircraft | Allied Ag Cat Productions, Inc. | G-164A | Airworthiness Directives; Grumman Model G-164 Series Aircraft |
| aircraft | Allied Ag Cat Productions, Inc. | G-164B | Airworthiness Directives; Grumman Model G-164 Series Aircraft |
| aircraft | Allied Ag Cat Productions, Inc. | G-164B-15T | Airworthiness Directives; Grumman Model G-164 Series Aircraft |
| aircraft | Allied Ag Cat Productions, Inc. | G-164B-20T | Airworthiness Directives; Grumman Model G-164 Series Aircraft |
| aircraft | Allied Ag Cat Productions, Inc. | G-164B-34T | Airworthiness Directives; Grumman Model G-164 Series Aircraft |
| aircraft | Allied Ag Cat Productions, Inc. | G-164B (with 73 inch wing gap) | Airworthiness Directives; Grumman Model G-164 Series Aircraft |
| aircraft | Allied Ag Cat Productions, Inc. | G-164C | Airworthiness Directives; Grumman Model G-164 Series Aircraft |
| aircraft | Allied Ag Cat Productions, Inc. | G-164D | Airworthiness Directives; Grumman Model G-164 Series Aircraft |
| aircraft | Allied Ag Cat Productions, Inc. | G-164D (with 73 inch wing gap) | Airworthiness Directives; Grumman Model G-164 Series Aircraft |
Unsafe Condition
Excessive wear of the throttle control pivot bolt (AN 23-13) can cause loss of throttle control.
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Required Actions
Within 25 hours' time in service after the effective date, inspect the throttle control pivot bolt for wear. If worn beyond 0.020 inch, rework the carburetor throttle arm, install specified components per Grumman Service Bulletin No. 25. If no wear, inspect repetitively at 50-hour intervals until modifications are made.
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Compliance Time
Within 25 hours' time in service after the effective date of this AD
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Affected Aircraft
Grumman Model G-164 Series Aircraft equipped with Continental W670 series engines, serial numbers 1 through 229 inclusive.
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Federal Register Abstract
Throttle Control Pivot Bolt
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_63-22-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 63-22-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Grumman Model G-164 Series Aircraft Subject: Throttle Control Pivot Bolt Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/26/1963 Make: Allied Ag Cat Productions, Inc. Model: G-164 | G-164A | G-164B | G-164B-15T | G-164B-20T | G-164B-34T | G-164B (with 73 inch wing gap) | G-...Show more 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: 63-22-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 63-22-02 SUBJECT HEADING: Airworthiness Directives; Grumman Model G-164 Series Aircraft ACTION: SUMMARY: DATES: Effective October 26, 1963. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 63-22-02 GRUMMAN: Amdt. 634 Part 507 Federal Register October 26, 1963. Applies Only to Model G-164 Series Aircraft Equipped With Continental W670 Series Engines, Serial Numbers 1 through 229 Inclusive. Compliance required as indicated. As a result of excessive wear of the throttle control pivot bolt, which can cause loss of throttle control, accomplish the following: (a) (1) Within 25 hours' time in service after the effective date of this AD, remove and visually inspect the throttle control pivot bolt (AN 23-13) for wear. If the bolt is worn, measure bolt shank. (2) If wear in excess of 0.020 inch is detected on any surface of the bolt, rework the carburetor throttle arm for a 0.250 diameter reamed hole, and installation of an A1658-1 bushing, AN 3-10A bolt, AN 960-10 washers and AN 365-1032 self-locking nut per Grumman Service Bulletin No. 25 dated August 29, 1963. (Grumman Engineering Change Order No. S164-1292.) (3) If no wear is found on the AN 23-13 bolt, the pivot bolt may be continued in service provided that the bolt is repetitively inspected at intervals of 50 hours' time in service. (b) Repetitive inspections required by (a) (3) may be discontinued when the modifications established by a (a)(2) are accomplished. (Grumman Service Bulletin No. 25 dated August 29, 1963, with enclosure (a) Grumman Engineering Change Order No. S164-1292 covers this same subject.) This directive effective October 26, 1963. FOOTER:
Document Text
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AD Final Rules - DRS_63-22-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 63-22-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Grumman Model G-164 Series Aircraft Subject: Throttle Control Pivot Bolt Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/26/1963 Make: Allied Ag Cat Productions, Inc. Model: G-164 | G-164A | G-164B | G-164B-15T | G-164B-20T | G-164B-34T | G-164B (with 73 inch wing gap) | G-...Show more 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: 63-22-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 63-22-02 SUBJECT HEADING: Airworthiness Directives; Grumman Model G-164 Series Aircraft ACTION: SUMMARY: DATES: Effective October 26, 1963. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 63-22-02 GRUMMAN: Amdt. 634 Part 507 Federal Register October 26, 1963. Applies Only to Model G-164 Series Aircraft Equipped With Continental W670 Series Engines, Serial Numbers 1 through 229 Inclusive. Compliance required as indicated. As a result of excessive wear of the throttle control pivot bolt, which can cause loss of throttle control, accomplish the following: (a) (1) Within 25 hours' time in service after the effective date of this AD, remove and visually inspect the throttle control pivot bolt (AN 23-13) for wear. If the bolt is worn, measure bolt shank. (2) If wear in excess of 0.020 inch is detected on any surface of the bolt, rework the carburetor throttle arm for a 0.250 diameter reamed hole, and installation of an A1658-1 bushing, AN 3-10A bolt, AN 960-10 washers and AN 365-1032 self-locking nut per Grumman Service Bulletin No. 25 dated August 29, 1963. (Grumman Engineering Change Order No. S164-1292.) (3) If no wear is found on the AN 23-13 bolt, the pivot bolt may be continued in service provided that the bolt is repetitively inspected at intervals of 50 hours' time in service. (b) Repetitive inspections required by (a) (3) may be discontinued when the modifications established by a (a)(2) are accomplished. (Grumman Service Bulletin No. 25 dated August 29, 1963, with enclosure (a) Grumman Engineering Change Order No. S164-1292 covers this same subject.) This directive effective October 26, 1963. FOOTER:
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Retrieved: Apr 8, 2026
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