AD/BELL 430/1 Amdt 4 - Tail Rotor Blade (Cth)

AIRWORTHINESS DIRECTIVE On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/BELL 430/1 Amdt 3 and issues the following 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.

Bell Helicopter Textron Canada (BHTC) 430 Series Helicopters AD/BELL 430/1 Amdt 4 Tail Rotor Blade 7/2008 DM

Applicability: Model 430 helicopters. Requirement: 1. Inspect the tail rotor blades in accordance with Part I of Bell Helicopter Textron Canada Alert Service Bulletin (ASB) 430-04-31 Revision B, or later Transport Canada approved revision.

2. Inspect the tail rotor blades in accordance with Part II of ASB 430-04-31 Revision B, or later Transport Canada approved revision.

3. Rework the affected tail rotor blades in accordance with Part III of ASB 430-04-31 Revision B, or later Transport Canada approved revision.

Note 1: Reworking the tail rotor blades in accordance with Requirement 3 eliminates the repetitive inspection requirements of this Directive.

Note 2: Transport Canada AD CF-2004-21 R3 refers. Compliance: 1. Unless the initial inspection is already accomplished, within 3 flight hours after 1 June 2008, and thereafter at intervals not to exceed 3 flight hours.