1AD/CA21/10 Amdt 1 - Ailerons

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Skyfox Aviation (Calair/Hedaro) CA21 and CA22A Series Aeroplanes

AIRWORTHINESS DIRECTIVE

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For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/CA21/10 and issues the following AD under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

AD/CA21/10

Amdt 1

Ailerons 10/2000 TX

Applicability: All CA21, CA22 and CA22A series aircraft.

Requirement: 1. Following instructions approved by a CAR 35 Authorised Person, inspect both the left and right ailerons for:

Balance;

b. Rigging;

c. Corrosion, internal and external; and

d. Cracks in the joint between the aileron’s torque tube and its spar.

Note 1: The reason the Authority is not able to rely on the above inspections being done as part of normal maintenance is that none of the above inspections are included in the maintenance manual. That is the reason for this AD.

2. Following instructions approved by a CAR 35 Authorised Person, improve the sealing and drainage of both left and right ailerons.

3. Following instructions approved by a CAR 35 Authorised Person, inspect both the left and right ailerons for conformity with the type design of the joint between the aileron’s torque tube and its spar.

Note 2: In other words, check that the joint was built to drawing.

Compliance: For Requirement 1:

Inspect before further flight after 24 August 2000.
Reinspect at the times specified in the instructions approved by the CAR 35 Authorised Person.

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

Note 3: Inspection for corrosion and cracks is not required before further flight if the ailerons have been inspected since 7 July 2000 by a method approved by either the Authority or a CAR 35 Authorised Person. However, ailerons must be reinspected later at the times specified in instructions approved for Amendment 1 to this Airworthiness Directive by a CAR 35 Authorised Person.