AD/PHOF/2 Amdt 3 - Propeller Hub (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/PHOF/2 Amdt 2 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.

Propellers - Variable Pitch - Hoffman AD/PHOF/2 Amdt 3 Propeller Hub 7/2005

Applicability: Hoffmann Propeller Model HO-V343K. Requirement: Using information contained in the applicable Operations and Maintenance Manual, Service Bulletin 61-10-03 SB E 15B dated 13 July 2004 or later LBA / EASA approved revisions and Service Instruction 61-10-05 SI E 4D dated 16 March 2005 or later LBA / EASA approved revisions:

1. Carry out an examination of the propeller blade shake.

2. Carry out an examination of the blade retention nut preload torque.

3. Carry out an Ultrasonic Inspection of the propeller hub.

4. Carry out an Eddy Current Inspection of the propeller hub, if the ultrasonic inspection shows any signs of damage.

5. Exchange or repair the propeller if any blade shake or signs of cracks or damage of the propeller hub outside serviceable limits have been detected during the inspection.

Note: German LBA Airworthiness Directive (AD) D-2004-352R4 as approved by EASA under Approval No. 2005-2514 dated 21 March 2005 refers. Compliance: 1. At each pre-flight inspection, following the effective date of this AD.