AD 78-23-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Allied Ag Cat Productions, Inc. | G-164 | Airworthiness Directives; GRUMMAN G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B and up, G-164C S/N's 01C and up, certificated in all categories. |
| aircraft | Allied Ag Cat Productions, Inc. | G-164A | Airworthiness Directives; GRUMMAN G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B and up, G-164C S/N's 01C and up, certificated in all categories. |
| aircraft | Allied Ag Cat Productions, Inc. | G-164B | Airworthiness Directives; GRUMMAN G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B and up, G-164C S/N's 01C and up, certificated in all categories. |
| aircraft | Allied Ag Cat Productions, Inc. | G-164B-15T | Airworthiness Directives; GRUMMAN G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B and up, G-164C S/N's 01C and up, certificated in all categories. |
| aircraft | Allied Ag Cat Productions, Inc. | G-164B-20T | Airworthiness Directives; GRUMMAN G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B and up, G-164C S/N's 01C and up, certificated in all categories. |
| aircraft | Allied Ag Cat Productions, Inc. | G-164B-34T | Airworthiness Directives; GRUMMAN G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B and up, G-164C S/N's 01C and up, certificated in all categories. |
| aircraft | Allied Ag Cat Productions, Inc. | G-164B (with 73 inch wing gap) | Airworthiness Directives; GRUMMAN G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B and up, G-164C S/N's 01C and up, certificated in all categories. |
| aircraft | Allied Ag Cat Productions, Inc. | G-164C | Airworthiness Directives; GRUMMAN G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B and up, G-164C S/N's 01C and up, certificated in all categories. |
Unsafe Condition
Aileron balance cables (P/N A1860-101 and A1860-401) may contain broken wires at the wing root pulley, which could result in loss of aileron control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect aileron cables for broken wires near the right and left wing roots within 50 hours in service after the effective date. Repeat inspections every 600 hours in service. Replace cables with broken wires prior to next flight with unused cables of the same part number or approved equivalent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 50 hours in service after the effective date, unless already accomplished within the last 550 hours. Subsequent inspections within every 600 hours in service thereafter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Grumman G-164 S/N 1 thru 400, G-164A S/N 401 and up, G-164B S/N 01B and up, G-164C S/N 01C and up, certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Aileron Balance Cables
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_78-23-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-23-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GRUMMAN G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B ...Show more Subject: Aileron Balance Cables Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/28/1979 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-164C 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: 78-23-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3420 AD NUMBER: 78-23-11 SUBJECT HEADING: Airworthiness Directives; GRUMMAN G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B and up, G-164C S/N's 01C and up, certificated in all categories. ACTION: SUMMARY: DATES: Effective February 28, 1979. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-23-11 GRUMMAN: Amendment 39-3341 as amended by amendment 39-3420. Applies to Grumman G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B and up, G-164C S/N's 01C and up, certificated in all categories. Compliance is required as indicated. To detect aileron balance cables containing broken wires, P/N's A1860-101 and A1860-401 at the wing root pulley, accomplish the following: (a) Within the next 50 hours in service after the effective date of this AD, unless already accomplished within the last 550 hours, inspect the aileron cables for broken wires where they cross the pulley near the right and left wing roots. (b) Within the next 600 hours in service after the compliance with paragraph (a) of this AD, and within every 600 hours in service thereafter, repeat the inspection of paragraph (a). (c) Replace cables containing broken wires, prior to next flight, with unused cables of the same part number or with an approved equivalent. (d) Equivalent parts must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (e) Upon submission of substantiating data by an owner or operator through an FAA Maintenance Inspector, the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region, may adjust the inspection intervals in this AD. (f) The aircraft may be flown in accordance with FAR 21.197 to a location where the AD can be accomplished. (Grumman American Ag-Cat Service Bulletin No. 63, dated October 6, 1978, is concerned with this subject.) Amendment 39-3341 was effective November 13, 1978. This amendment 39-3420 is effective February 28, 1979. FOOTER:
Document Text
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AD Final Rules - DRS_78-23-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-23-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GRUMMAN G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B ...Show more Subject: Aileron Balance Cables Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/28/1979 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-164C 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: 78-23-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3420 AD NUMBER: 78-23-11 SUBJECT HEADING: Airworthiness Directives; GRUMMAN G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B and up, G-164C S/N's 01C and up, certificated in all categories. ACTION: SUMMARY: DATES: Effective February 28, 1979. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-23-11 GRUMMAN: Amendment 39-3341 as amended by amendment 39-3420. Applies to Grumman G-164 S/N's 1 thru 400, G-164A S/N's 401 and up, G-164B S/N's 01B and up, G-164C S/N's 01C and up, certificated in all categories. Compliance is required as indicated. To detect aileron balance cables containing broken wires, P/N's A1860-101 and A1860-401 at the wing root pulley, accomplish the following: (a) Within the next 50 hours in service after the effective date of this AD, unless already accomplished within the last 550 hours, inspect the aileron cables for broken wires where they cross the pulley near the right and left wing roots. (b) Within the next 600 hours in service after the compliance with paragraph (a) of this AD, and within every 600 hours in service thereafter, repeat the inspection of paragraph (a). (c) Replace cables containing broken wires, prior to next flight, with unused cables of the same part number or with an approved equivalent. (d) Equivalent parts must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (e) Upon submission of substantiating data by an owner or operator through an FAA Maintenance Inspector, the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region, may adjust the inspection intervals in this AD. (f) The aircraft may be flown in accordance with FAR 21.197 to a location where the AD can be accomplished. (Grumman American Ag-Cat Service Bulletin No. 63, dated October 6, 1978, is concerned with this subject.) Amendment 39-3341 was effective November 13, 1978. This amendment 39-3420 is effective February 28, 1979. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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