AD 77-15-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | CL-215-1A10 | Airworthiness Directives; CANADAIR MODEL CL-215-1A10 Airplanes |
Unsafe Condition
Incorrect engagement of the shoulders of input quadrant P/N 215-90252 in the outboard bearing assemblies P/N 215-90255 or 215-90291 could lead to elevator torque tube failure.
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Required Actions
Measure the dimensions between the face of the shoulder of the input quadrant and the face of the bearing inner race on both ends of the elevator torque tube. If the total exceeds 0.200 inches for aircraft 1001-1015, 1021-1030 with bearing P/N 215-90255, or 0.100 inches for aircraft 1016-1020, 1031-1040, 1046 with bearing P/N 215-90291, alter the assembly per Canadair Service Bulletin CL-215-201 or approved equivalent.
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Compliance Time
prior to U.S. Airworthiness Certification
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Affected Aircraft
Bombardier Inc. CL-215-1A10 airplanes, serial numbers 1001 thru 1040 and 1046, with specified bearings.
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Federal Register Abstract
Elevator Torque Tube Quadrant
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_77-15-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-15-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; CANADAIR MODEL CL-215-1A10 Airplanes Subject: Elevator Torque Tube Quadrant Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/27/1977 Make: Bombardier Inc. Model: CL-215-1A10 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 77-15-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2976 AD NUMBER: 77-15-03 SUBJECT HEADING: Airworthiness Directives; CANADAIR MODEL CL-215-1A10 Airplanes ACTION: SUMMARY: DATES: Effective July 27, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-15-03 CANADAIR: Amendment 39-2976. Applies to Canadair CL-215-1A10 airplanes, Serial Number 1001 thru 1040, and 1046, certificated in all categories. Compliance is required prior to U.S. Airworthiness Certification. To ensure correct engagement of shoulders of input quadrant P/N 215-90252 in left and right outboard bearing assemblies P/N 215-90255 or 215-90291, accomplish the following: On both ends of the elevator torque tube, measure the dimensions between the face of the shoulder of the input quadrant and the face of the bearing inner race. The two dimensions are to be added and their total compared to the following: (a) Aircraft 1001 thru 1015 and 1021 thru 1030, using bearing P/N 215-90255: If greater than 0.200 inches, alter assembly in accordance with the Modification and Procedure paragraph of Canadair Service Bulletin CL-215-201, dated 1/13/76, or approved equivalent alteration. (b) Aircraft 1016 thru 1020 and 1031 thru 1040, and 1046, using bearing P/N 215- 90291: If greater than 0.100 inches, alter assembly in accordance with the Modification and Procedure paragraph of Canadair Service Bulletin CL-215-201, dated 1/13/76, or approved equivalent alteration. Equivalent alterations must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. Canadair Service Information Circular 115-CL-215 pertains to this subject. This amendment is effective July 27, 1977. FOOTER:
Document Text
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AD Final Rules - DRS_77-15-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-15-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; CANADAIR MODEL CL-215-1A10 Airplanes Subject: Elevator Torque Tube Quadrant Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/27/1977 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: 77-15-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2976 AD NUMBER: 77-15-03 SUBJECT HEADING: Airworthiness Directives; CANADAIR MODEL CL-215-1A10 Airplanes ACTION: SUMMARY: DATES: Effective July 27, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-15-03 CANADAIR: Amendment 39-2976. Applies to Canadair CL-215-1A10 airplanes, Serial Number 1001 thru 1040, and 1046, certificated in all categories. Compliance is required prior to U.S. Airworthiness Certification. To ensure correct engagement of shoulders of input quadrant P/N 215-90252 in left and right outboard bearing assemblies P/N 215-90255 or 215-90291, accomplish the following: On both ends of the elevator torque tube, measure the dimensions between the face of the shoulder of the input quadrant and the face of the bearing inner race. The two dimensions are to be added and their total compared to the following: (a) Aircraft 1001 thru 1015 and 1021 thru 1030, using bearing P/N 215-90255: If greater than 0.200 inches, alter assembly in accordance with the Modification and Procedure paragraph of Canadair Service Bulletin CL-215-201, dated 1/13/76, or approved equivalent alteration. (b) Aircraft 1016 thru 1020 and 1031 thru 1040, and 1046, using bearing P/N 215- 90291: If greater than 0.100 inches, alter assembly in accordance with the Modification and Procedure paragraph of Canadair Service Bulletin CL-215-201, dated 1/13/76, or approved equivalent alteration. Equivalent alterations must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. Canadair Service Information Circular 115-CL-215 pertains to this subject. This amendment is effective July 27, 1977. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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