AD/A119/3 - Vertical Gyroscopes

Airworthiness Directive - AD/A119/3 - Vertical Gyroscopes Airworthiness Directive - AD/A119/3 - Vertical Gyroscopes CASA Airworthiness Directive Jurisdiction:Commonwealth of Australia;CorporateName:Civil Aviation Safety Authority; Issue 3/2002,Rotorcraft,Agusta A119 Series Helicopters,Vertical Gyroscopes,3 Swift, Aasha 4 1 2022-10-25T23:47:00Z 2022-12-06T07:38:00Z 1 323 1845 Office of Parliamentary Counsel 15 4 2164 16.0000 2006-09-21T00:00:00Z Toolkit http://www.activepdf.com 2022-10-25T00:00:00Z COMMONWEALTH OF AUSTRALIA   (Civil Aviation Regulations 1998) , PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES   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 39.1 (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.   Agusta A119 Series Helicopters   AD/A119/3   Vertical Gyroscopes   3/2002 DM   Applicability:    All A119 helicopter equipped with vertical gyroscope part number (P/N) 501-1210- 01 (Goodrich Avionics Systems Inc. Model VG-208C) serial numbers (S/N) 2556 to 2694 inclusive.   Requirement:    1.   Replace vertical gyroscopes P/N 501-1210-01 S/N 2556 to 2694 inclusive, that do not incorporate Modification 17, in accordance with Agusta Alert Bollettino Tecnico 119-3 dated 21 December 2001.   2.   Vertical gyroscopes P/N 501-1210-01 S/N 2556 to 2694 inclusive, that do not incorporate Modification 17 may not be installed on any helicopter.   Note: Italian Ente Nazionale per l’Aviazone Civile AD 2002-004 refers.   Compliance:   For Requirement 1 - Before 28 February 2002.   For Requirement 2 - As of the effective date of this Directive.   This Airworthiness Directive becomes effective on 30 January 2002.   Background:     Agusta has advised that malfunction of the vertical gyroscopes, caused by incorrect installation of the pitch stop screw, may occur leading to instability of the helicopter during flight.   Eugene Paul Holzapfel Delegate of the Civil Aviation Safety Authority 22 January 2002                   The above AD is notified in the Commonwealth of Australia Gazette on 30 January 2002.   Page 1 of 1