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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

Bell Helicopter Textron 412 Series Helicopters

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.

AD/BELL 412/41 Tailboom Attachment Cap Angle 12/2000

DM

Applicability: Model 412, 412EP, and 412CF helicopters, with upper left hand cap angle part number 212-030-191-001 installed.

Requirement: Inspect the cap angle and adjacent structure in accordance with Bell Alert Service Bulletin 412-00-100.

Note: FAA AD 2000-18-09 Amendment 39-11894 refers.

Compliance: Initially, within 25 hours time in service after 11 October 2000, unless already accomplished; thereafter at intervals not to exceed 100 hours time in service.

This Airworthiness Directive becomes effective on 11 October 2000.

Background: The FAA received a report of a fatigue crack in a tailboom attachment cap angle.

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 5 October 2000

The above AD is notified in the Commonwealth of Australia Gazette on 11 October 2000.