AD 72-07-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Revo, Incorporated | Colonial C-1 | Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes |
| aircraft | Revo, Incorporated | Colonial C-2 | Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes |
| aircraft | Revo, Incorporated | Lake LA-4 | Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes |
| aircraft | Revo, Incorporated | Lake LA-4-200 | Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes |
| aircraft | Revo, Incorporated | Lake LA-4A | Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes |
| aircraft | Revo, Incorporated | Lake LA-4P | Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes |
Unsafe Condition
Failure of the rod-end bearing, P/N HM-5C, connected to the flap pushrod, P/N 2-7811-21, which could result in hazards in flight due to corrosion, cracks, or binding of the ball motion.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 15 hours in service after the effective date, inspect the rod-end bearing P/N HM-5C for corrosion and ball motion using visual and 10-power glass inspection. Replace corroded, cracked, or binding parts before further flight. Lubricate the ball before reinstallation. Discontinue inspections if P/N HM-5G or equivalent is installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 15 hours in service after the effective date of this AD, unless already accomplished within the last 10 hours in service, and at intervals thereafter not to exceed 25 hours in service from the last inspection
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Consolidated Aeronautics Model Colonial C-1, C-2, and Lake Model LA-4, LA-4A, LA-4P, and LA-4-200 airplanes below serial number 503 with Flap Actuator Pushrod Assembly, Lake Aircraft Corporation P/N 2-7811-7
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Flap pushrod end bearings
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_72-07-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 72-07-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4...Show more Subject: Flap pushrod end bearings Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/05/1973 Make: Revo, Incorporated Model: Colonial C-1 | Colonial C-2 | Lake LA-4 | Lake LA-4-200 | Lake LA-4A | Lake LA-4P 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: 72-07-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1577 AD NUMBER: 72-07-11 SUBJECT HEADING: Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes ACTION: SUMMARY: DATES: Effective January 5, 1973. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 72-07-11 CONSOLIDATED AERONAUTICS: Amendment 39-1429 as amended by Amendment 39-1577. Applies to Colonial Model C-1, C-2, and Lake Model LA-4, LA-4A, LA- 4P and LA-4-200 airplanes below S/N 503 certificated in all categories, incorporating Flap Actuator Pushrod Assembly, Lake Aircraft Corporation P/N 2-7811-7. Compliance required as indicated. To prevent hazards in flight as a result of the failure of the rod-end bearing, P/N HM-5C, connected to the flap pushrod, P/N 2-7811-21, accomplish the following: (a) Within the next 15 hours in service after the effective date of this AD, unless already accomplished within the last 10 hours in service, and at intervals thereafter not to exceed 25 hours in service from the last inspection: Remove the rod-end bearing P/N HM-5C at the forward end of the flap pushrod: (1) Visually inspect the rod-end bearing for corrosion and for freedom of motion of the ball. Lubricate the ball before reinstalling the rod end. (2) With at least a 10-power glass, inspect the threaded portion of P/N HM- 5C for cracks. (b) Corroded, cracked, and binding parts must be replaced before further flight with parts inspected in accordance with this directive or with equivalent parts. (c) When P/N HM-5G or an equivalent part is installed, the repetitive inspection specified in Paragraph (a) may be discontinued. (d) 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 repetitive inspection interval specified in this AD. Equivalent parts must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (Lake Aircraft Division, Consolidated Aeronautics, Service Letter No. 39 pertains to this subject.) Amendment 39-1429 was effective upon publication in the Federal Register. This Amendment 39-1577 becomes effective January 5, 1973. FOOTER:
Document Text
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AD Final Rules - DRS_72-07-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 72-07-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4...Show more Subject: Flap pushrod end bearings Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/05/1973 Make: Revo, Incorporated Model: Colonial C-1 | Colonial C-2 | Lake LA-4 | Lake LA-4-200 | Lake LA-4A | Lake LA-4P 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: 72-07-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1577 AD NUMBER: 72-07-11 SUBJECT HEADING: Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes ACTION: SUMMARY: DATES: Effective January 5, 1973. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 72-07-11 CONSOLIDATED AERONAUTICS: Amendment 39-1429 as amended by Amendment 39-1577. Applies to Colonial Model C-1, C-2, and Lake Model LA-4, LA-4A, LA- 4P and LA-4-200 airplanes below S/N 503 certificated in all categories, incorporating Flap Actuator Pushrod Assembly, Lake Aircraft Corporation P/N 2-7811-7. Compliance required as indicated. To prevent hazards in flight as a result of the failure of the rod-end bearing, P/N HM-5C, connected to the flap pushrod, P/N 2-7811-21, accomplish the following: (a) Within the next 15 hours in service after the effective date of this AD, unless already accomplished within the last 10 hours in service, and at intervals thereafter not to exceed 25 hours in service from the last inspection: Remove the rod-end bearing P/N HM-5C at the forward end of the flap pushrod: (1) Visually inspect the rod-end bearing for corrosion and for freedom of motion of the ball. Lubricate the ball before reinstalling the rod end. (2) With at least a 10-power glass, inspect the threaded portion of P/N HM- 5C for cracks. (b) Corroded, cracked, and binding parts must be replaced before further flight with parts inspected in accordance with this directive or with equivalent parts. (c) When P/N HM-5G or an equivalent part is installed, the repetitive inspection specified in Paragraph (a) may be discontinued. (d) 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 repetitive inspection interval specified in this AD. Equivalent parts must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (Lake Aircraft Division, Consolidated Aeronautics, Service Letter No. 39 pertains to this subject.) Amendment 39-1429 was effective upon publication in the Federal Register. This Amendment 39-1577 becomes effective January 5, 1973. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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