AD/S-PUMA/41 Amdt 2 - Main Gearbox Bevel Gear (Cth)

AIRWORTHINESS DIRECTIVE

For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/S- PUMA/41 Amdt 1. and issues the following AD under subregulation 39.1 (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.

Eurocopter AS 332 (Super Puma) Series Helicopters

AD/S-PUMA/41 Amdt 2

Main Gearbox Bevel Gear 11/2003

Applicability: AS 332 helicopters, versions C, C1, L and L1 equipped with main gearbox (MGB) main reduction gear modules, part numbers 332A32-2027-00 and 332A32-2026-00, and equipped with bevel gears, part numbers 332A32-2181-00/-01/-02/-03/-04 or 331A32-3110-07/-09/-19 excluding:

Parts repaired in accordance with Repair Sheets (F.R.) 332A32-2181-ZA or 331A32- 3110-ZA, and

Parts inspected in accordance with AS 332 Letter to Repair Stations no. 183, and MGB's overhauled after 31 December 2002. Requirement: Carry out a borescope inspection of the bevel gear in accordance with Paragraph 2B of the Accomplishment Instructions, Eurocopter Alert Telex (A/T) 05.00.58 Revision 2.

Note 1: DGAC AD 2002-424-081(A) Revision 2 refers.

Compliance: 1. Installed MGB's incorporating bevel gears which have logged more than 6,600 flight hours:

Within 50 flight hours from the effective date of this Directive, thereafter at intervals not to exceed 150 flight hours or 1000 torque application cycles for helicopters performing external load carrying missions, whichever occurs first, from the effective date of this Directive.