AD 62-08-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | CL-44D4 | Airworthiness Directives; CANADAIR Model CL-44D4 Aircraft |
Unsafe Condition
Engine breather duct overheat detectors may not operate at the correct temperature setting, increasing the risk of undetected overheating.
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Required Actions
Replace engine breather duct overheat detectors with new detectors P/N 28-50603-8 set to 165 degrees C ±15 degrees C or recalibrate existing detectors per Canadair or Fenwal instructions and reidentify them as P/N 28-50603-8.
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Compliance Time
within next 50 hours' time in service after the effective date of this AD
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Affected Aircraft
Bombardier Inc. Model CL-44D4 aircraft
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Federal Register Abstract
Engine Breather Duct Overheat Detectors
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_62-08-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 62-08-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; CANADAIR Model CL-44D4 Aircraft Subject: Engine Breather Duct Overheat Detectors Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/11/1962 Make: Bombardier Inc. Model: CL-44D4 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 62-08-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 62-08-06 SUBJECT HEADING: Airworthiness Directives; CANADAIR Model CL-44D4 Aircraft ACTION: SUMMARY: DATES: Effective April 11, 1962. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 62-08-06 CANADAIR: Amdt. 419 Part 507 Federal Register April 11, 1962. Applies to all Model CL-44D4 aircraft. Compliance required within next 50 hours' time in service after the effective date of this AD. As an interim measure, pending development of corrective engine modifications, either replace the engine breather duct overheat detectors, with new detectors P/N 28-50603-8 set to 165 degrees C plus or minus 15 degrees C or recalibrate the detectors per Canadair or Fenwal instructions, to operate at 165 degrees C. plus or minus 15 degrees C. Reidentify the recalibrated detectors as P/N 28-50603-8. (Canadair Service Information Circular 165, Amendment A, dated March 16, 1962, covers this subject.) This directive effective April 11, 1962. FOOTER:
Document Text
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AD Final Rules - DRS_62-08-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 62-08-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; CANADAIR Model CL-44D4 Aircraft Subject: Engine Breather Duct Overheat Detectors Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/11/1962 Make: Bombardier Inc. Model: CL-44D4 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: 62-08-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 62-08-06 SUBJECT HEADING: Airworthiness Directives; CANADAIR Model CL-44D4 Aircraft ACTION: SUMMARY: DATES: Effective April 11, 1962. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 62-08-06 CANADAIR: Amdt. 419 Part 507 Federal Register April 11, 1962. Applies to all Model CL-44D4 aircraft. Compliance required within next 50 hours' time in service after the effective date of this AD. As an interim measure, pending development of corrective engine modifications, either replace the engine breather duct overheat detectors, with new detectors P/N 28-50603-8 set to 165 degrees C plus or minus 15 degrees C or recalibrate the detectors per Canadair or Fenwal instructions, to operate at 165 degrees C. plus or minus 15 degrees C. Reidentify the recalibrated detectors as P/N 28-50603-8. (Canadair Service Information Circular 165, Amendment A, dated March 16, 1962, covers this subject.) This directive effective April 11, 1962. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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