Commonwealth legislation

AD/CASA/20 - Corrosion of Rudder Torsion Tube

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The directive requires all CASA 212 series aeroplanes to comply with CASA Service Bulletin SB 212-27-34 to inspect and correct corrosion found in the rudder lower shaft and its support—caused by water ingress—by 30 August 1996. Operators must carry out and pay for the work, affecting aircraft availability and maintenance costs to preserve airworthiness.

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AD/CASA/20 - Corrosion of Rudder Torsion Tube

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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 Casa 212 Series Aeroplanes

AD/CASA/20 Corrosion of Rudder Torsion Tube 9/96

Applicability: All models.

Requirement: Action in accordance with CASA SB 212-27-34.

Note: Spanish DGAC AD 06/96 refers.

Compliance: Before 30 August 1996.

Background: Corrosion has been detected in the rudder lower shaft and support structure. This has been caused by water entry through the space between the upper bearing and the fuselage structure.

Source text

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