Federal Register of Legislation
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 39.1 (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 350 (Ecureuil) Series Helicopters
AD/ECUREUIL/91 Air Intake Cowling 11/2003 TX
Applicability: Eurocopter EC 130 B4 model helicopters fitted with cowling attachment fittings P/N 350A25-0405-00, -01, -02, -03, -04 and -05.
Requirement: 1. Perform a visual inspection of the two forward air intake cowling attachment fittings in accordance with the instructions contained in Section 2.B. of Eurocopter EC130 Alert Service Bulletin No. 53A004.
2. If the two forward cowling attachment fittings are neither failed nor cracked, re-inspect in accordance with the instructions contained in Section 2.B. of Eurocopter EC130 Alert Service Bulletin No. 53A004.
3. If one or both of the forward cowling attachment fittings have failed or are cracked, also check the condition the centre and aft fittings.
4. If one or more of the forward, centre or aft fittings have failed, replace them.
5. If one or more of the forward, centre or aft fittings are cracked:
(i). Replace each cracked fitting which has more than 2 cracks or any fitting in which the longest crack is more than 10mm.
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