AD/AS 355/69 Amdt 1 - Main Rotor and Tail Rotor Dynamic Components (Cth)

AIRWORTHINESS DIRECTIVE

For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/AS 355/69 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 355 (Twin Ecureuil) Series Helicopters

AD/AS 355/69 Amdt 1

Main Rotor and Tail Rotor Dynamic Components

10/2003

Applicability: Model AS 355 E, F, F1, F2, and N helicopters, equipped with dynamic components following overhaul (RG) or repair (RE) at the Eurocopter Helicopter Maintenance and Overhaul Facility (D.E.R.H.), listed in Tables 1 and 2 (as applicable) of paragraph 4 "Appendix" of Eurocopter Alert Service Bulletin No. 62.00.27.

Requirement: 1. Using the Equipment Log Cards (FMEs) of the dynamic components, check whether the dynamic components embody parts affected by this Directive, in accordance with the instructions specified in paragraph 2.B.1. of Alert Service Bulletin No. 62.00.27.

If the Requirement 1 check does not reveal the existence of a part affected by this Directive, no further action is required.

If the check reveals the existence of one or more part(s) affected, comply with the instructions specified in paragraph 2.B.2 of Alert Service Bulletin No. 62.00.27.

2. After correction in accordance with paragraph 2.B.2.1 of Alert Service Bulletin No. 62.00.27, if the number of operating hours of a part exceeds its life limit, remove the part concerned or the assembly that embodies the part in accordance with the instructions specified in paragraph 2.B.2.2. of Alert Service Bulletin No. 62.00.27.