Commonwealth legislation

AD/DHC-2/20 - Control Column Torque Tubes - Inspection

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This airworthiness directive requires owners/operators of DHC‑2 and DHC‑2 Mk III Beaver aeroplanes to inspect the control‑column horizontal torque tube per De Havilland SB No. 2/28, with the first inspection within 25 hours TIS after 18 Sept 1980 and recurring intervals as the SB prescribes. It was issued after reports of cracks in that torque tube; operators pay inspection/repair costs and must adjust maintenance scheduling to address a safety risk to primary flight controls.

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AD/DHC-2/20 - Control Column Torque Tubes - Inspection

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source DHC-2 (Beaver) Series Aeroplanes

AD/DHC-2/20 Control Column Torque Tubes - Inspection 9/80

Applicability: All models DHC-2 and DHC-2 Mk. III. Document: De Havilland Aircraft of Canada SB No. 2/28.

Compliance: Initially inspect within 25 hours time in service after 18 September 1980 and thereafter as noted in De Havilland Aircraft of Canada SB No. 2/28.

Background: Three overseas operators have reported cracks in the horizontal torque tube at the base of the control column.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.