AD/SD3-30/44 Amdt 1 - Engine Intake Anti-Icing Vane Annunciator (Cth)

AIRWORTHINESS DIRECTIVE For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive AD/SD3-30/44 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.

Short SD3-30 Series Aeroplanes

AD/SD3-30/44 Amdt 1

Engine Intake Anti-Icing Vane Annunciator

1/2003

Applicability: All SD3-30 series aeroplanes.

Requirement: 1. Modify the central warning panel (CWP) in accordance with Bombardier Aerospace Shorts Brothers PLC Service Bulletin SD330-31-15 Revision 1 dated 29 October 2002.

Note 1: Aeroplanes modified in accordance with Part A of the original Service Bulletin do not require any further action.

2. Ensure the relevant Aircraft Flight Manual (AFM) amendment is embodied as follows:

AFM

Doc.No.SBH.3.3 Doc.No.SBH.3.5 Doc.No.SBH.3.6 Doc.No.SBH.3.7 Doc.No.SBH.3.8 Doc.No.SB.3.9

Amendment

P/20 P/7 P/18 P/18 P/8 P/2

Note 2: This Service Bulletin has been classified as 'Mandatory' by the CAA(UK).

Compliance: For Requirement 1 - At the next 'C' check or before 28 February 2003, whic hever occurs earlier.

For Requirement 2 - Concurrent with Requirement 1. This Amendment becomes effective on 23 January 2003. Background: Short Brothers PLC has advised that a number of in flight engine shut downs, whilst flying in icing conditions, have been reported where failure to deploy the engine intake anti- icing vanes (inertial separators) has been cited as a contributory factor.