# AD 62-08-06: Engine Breather Duct Overheat Detectors

- Type: Airworthiness directive
- Status: Current
- Products: Bombardier CL-44D4
- Effective: April 11, 1962
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/624755F9F210597A862569A700589A65.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/62-08-06

## The airworthiness directive

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.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 1A20](https://openairdocs.org/tcds/1A20): Bombardier Inc.; names 1 of 2 models: CL-44D4

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

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