AD/Do 328/58 Control Cables (Cth)

AIRWORTHINESS DIRECTIVE

For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.001(1) of CASR 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.

Dornier 328 Series Aeroplanes

AD/DO 328/58 Control Cables 5/2006

Applicability:

Dornier 328-100 aeroplanes.

Requirement:

1.    Carry out inspection of the control cables for signs of chafing and replace parts if exceeding wear limits.

2.    Carry out inspection of the fairleads/swivel guides for signs of wear and rectify any defects found.

3.    Carry out adjustment of Auto Pilot control cables to new tension at initial inspection.

Carry out the above requirements in accordance with Dornier 328 Alert Service Bulletin No. ASB-328-00-011 Revision 2 dated 1 August 2000 or later LBA approved revision.

Alternative Means of Compliance.

If Honeywell SB 4005842-22-3, Dornier SB 328-27-290, SB 328-27-291 and SB 328-27-292 are performed implementation of paragraph 1 of Dornier 328
ASB-328-00-011 Revision 2 is not required.

If Dornier SB 328-27-253 has been performed implementation of paragraph2c of Dornier 328 ASB-328-00-011 Revision 2 is not required.

If Dornier SB 328-27-253 has been performed implementation of paragraph3 of Dornier 328 ASB-328-00-011 Revision 2 is not required.

If Dornier SB 328-76-152 and SB 328-76-168 are performed implementation of paragraph4 of Dornier 328 ASB-328-00-011 Revision 2 is not required.

Note:  LBA AD 1996-001/4 refers.

Compliance:

1.    Unless previously accomplished perform the initial inspection at 4000 Flight Hours (C-Check).

Repeat at intervals not to exceed 2000 FH (5A-Check).

2.    Unless previously accomplished perform the initial inspection at 4000 Flight Hours (C-Check).

Repeat at intervals not to exceed 2000 FH (5A-Check).

3.    Unless previously accomplished perform the initial inspection at 4000 Flight Hours (C-Check).

Repeat at intervals not to exceed 2000 FH (5A-Check).

This Airworthiness Directive becomes effective on 11 May 2006.

Background:

This AD is in response to reports of possible chafing of: the autopilot control cables, elevator and rudder control cables, aileron and engine control cables.  Chafing can lead to the failure of the cables and subsequent loss of control of the relevant system.

James Coyne
Delegate of the Civil Aviation Safety Authority

17 March 2006