Ad/P68/19 Amdt 3 - Control Wheel Shaft Universal Joint (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/P68/19 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.

Partenavia P68 Series Aeroplanes

AD/P68/19 Amdt 3 Control Wheel Shaft Universal Joint 10/2008

Applicability:

All models: P68, P68B, P68C, and P68C-TC.

Requirement:

Inspect the control wheel shaft (rod) universal joint in accordance with Partenavia Service Bulletin No. 48, Revision 1 or later revision.

Compliance:

1.    For aircraft with serial numbers 001 up to and including 087:  If Kit 68-016 has not been installed, inspect at intervals not to exceed 200 hours time in service or two years, whichever occurs first, until Kit 68-016 is installed.

Note 1:  Kit 68-016 includes universal joint P/No. NOR 7.315-04 and is defined in SB No. 48, Rev 1.  If this Kit is to be installed see Partenavia Service Instruction No. 09, Revision 1.

2.    For aircraft with serial numbers up to and including 087 after Kit 68-016 has been installed, and aircraft with serial numbers 088 and up, inspect at intervals not to exceed 1000 hours time in service or four years, whichever occurs first.

Note 2:  Aircraft with serial numbers 088 and up have Kit 68-016 installed at manufacture.

Note 3:  Italian AD 1995-076 applies to all serial numbers.

Note 4:  Compliance with this AD at a previous amendment constitutes compliance with this amendment for the purposes of determining time in service and elapsed calendar time.

This Amendment becomes effective on 25 September 2008.

Background:

The original issue of this AD in 1979 was based on failure of the pilot’s control wheel shaft universal joint in an Australian-registered P68 aircraft.

Amendment 1 in 1980 specified inspection in accordance with SB No. 48.

Amendment 2 in 1995 introduced repetitive inspections in accordance with SB No. 48, Revision 1.

Amendment 3 introduces the Italian requirement for elapsed calendar time to be taken into account in determining inspection intervals; and clarifies the serial number applicability.

David Villiers
Delegate of the Civil Aviation Safety Authority

12 August 2008