AD/PHZL/85 - Propeller Blade Thrust Bearing (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.

Propellers - Variable Pitch - Hartzell AD/PHZL/85 Propeller Blade Thrust Bearing 1/2006

Applicability: Hartzell Propeller Inc. model HD-E6C-3( ) propellers.

Note 1: These propellers are installed on, but not limited to Fairchild Dornier GmbH 328-100 series aeroplanes.

Note 2: The parentheses indicate the presence or absence of an additional letter(s) which vary the basic propeller blade model designation. This AD still applies regardless of whether these letters are present or absent on the propeller blade model designation. Requirement: 1. Unless previously accomplished in accordance with Hartzell ASB HD-ASB-61-026, dated 6 August 2001, or Hartzell Service Letter HD-SL-61-034, dated 7 May 2001, replace all propeller blade thrust bearings, part numbers (P/N's) C-2882-1, C-2882-2, and C-7075, with thrust bearings P/N C- 7438, in accordance with paragraph 3 of the Accomplishment Instructions of Hartzell Alert Service Bulletin (ASB) HD-SB-61-026 or later FAA approved revisions.

Propellers that have had blade thrust bearings replaced using Hartzell ASB HD-ASB-61-026, dated 6 August 2001, or Hartzell Service Letter HD-SL-61-034, dated 7 May 2001, are considered to be in compliance with Requirement 1 of this AD.