AD 77-09-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | CL-215-1A10 | Airworthiness Directives; CANADAIR MODEL CL-215-1A10 Airplanes |
Unsafe Condition
Failure of the lower rudder bearing due to water ingress and subsequent corrosion.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect for corrosion as outlined in Canadair Information Circular 110-CL-215 dated October 27, 1975 or later approved revision, or an FAA approved equivalent. Inspections must occur prior to 1200 hours in service and at each 1050 hours in service or one year, whichever occurs first thereafter. Equivalent alterations and inspections require approval from the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to 1200 hours in service, and at each 1050 hours in service or one year, whichever occurs first thereafter.
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Affected Aircraft
Canadair CL-215-1A10 Airplanes, Serial Numbers 1001 to 1043 inclusive and 1046, not altered in accordance with Appendix I of Canadair Information Circular 110-CL-215 dated October 27, 1975 or an FAA approved equivalent.
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Federal Register Abstract
Lower Rudder Bearing
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_77-09-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-09-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; CANADAIR MODEL CL-215-1A10 Airplanes Subject: Lower Rudder Bearing Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/09/1977 Make: Bombardier Inc. Model: CL-215-1A10 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 77-09-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2887 AD NUMBER: 77-09-06 SUBJECT HEADING: Airworthiness Directives; CANADAIR MODEL CL-215-1A10 Airplanes ACTION: SUMMARY: DATES: Effective May 9, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-09-06 CANADAIR: Amendment 39-2887. Applies to Canadair CL-215-1A10 Airplanes, Serial Numbers 1001 to 1043 inclusive and 1046, not altered in accordance with Appendix I of Canadair Information Circular 110-CL-215 dated October 27, 1975 or an FAA approved equivalent. Compliance is required as indicated. To prevent failure of the lower rudder bearing due to water ingress and subsequent corrosion, accomplish the following: (a) Prior to 1200 hours in service, and at each 1050 hours in service or one year, whichever occurs first thereafter, inspect for corrosion as outlined in paragraphs "Inspection" and "Rework" in Canadair Information Circular 110-CL-215 dated October 27, 1975 or later approved revision thereto, or an FAA approved equivalent. (b) Equivalent alterations and inspections must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (c) Upon request, with substantiating data submitted through an FAA Maintenance Inspector, the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region, may adjust the compliance times specified in this AD. This amendment becomes effective May 9, 1977. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_77-09-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-09-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; CANADAIR MODEL CL-215-1A10 Airplanes Subject: Lower Rudder Bearing Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/09/1977 Make: Bombardier Inc. Model: CL-215-1A10 Product Type: Aircraft Product Subtype: Large 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: 77-09-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2887 AD NUMBER: 77-09-06 SUBJECT HEADING: Airworthiness Directives; CANADAIR MODEL CL-215-1A10 Airplanes ACTION: SUMMARY: DATES: Effective May 9, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-09-06 CANADAIR: Amendment 39-2887. Applies to Canadair CL-215-1A10 Airplanes, Serial Numbers 1001 to 1043 inclusive and 1046, not altered in accordance with Appendix I of Canadair Information Circular 110-CL-215 dated October 27, 1975 or an FAA approved equivalent. Compliance is required as indicated. To prevent failure of the lower rudder bearing due to water ingress and subsequent corrosion, accomplish the following: (a) Prior to 1200 hours in service, and at each 1050 hours in service or one year, whichever occurs first thereafter, inspect for corrosion as outlined in paragraphs "Inspection" and "Rework" in Canadair Information Circular 110-CL-215 dated October 27, 1975 or later approved revision thereto, or an FAA approved equivalent. (b) Equivalent alterations and inspections must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (c) Upon request, with substantiating data submitted through an FAA Maintenance Inspector, the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region, may adjust the compliance times specified in this AD. This amendment becomes effective May 9, 1977. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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