Federal Register of Legislation
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/AS 355/60 Amdt 4 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.
Eurocopter AS 355 (Twin Ecureuil) Series Helicopters AD/AS 355/60 Amdt 5 Tail Rotor Blade Trailing Edge 6/2009
Applicability: Model AS 355 helicopters, versions E, F, F1, F2, N and NP, equipped with a tail rotor blade part number listed below:
355A12-0031-01, -02, -03, -04, -05, -06, -07, -08, -09, -11, -12, -13, -14. 355A12-0040-00, -01, -02, -03, -04, -05, -07, -08. 355A12-0050-00, -01, -02, -03, -04, -05. Requirement: 1. Visually inspect the tail rotor blades in accordance with paragraph 2.B.1. of Eurocopter AS 355 Alert Service Bulletin (ASB) No. 05.00.38 Revision 2, or later EASA approved revision.
If a crack is detected during any inspection, before further flight, accomplish the instructions specified in paragraph 2.B.2. of ASB No. 05.00.38 Revision 2, or later EASA approved revision.
2. Accomplish the instructions of Repair Sheet FR CN 376 or FR CN 453 on tail rotor blades part number 355A12-0050-00, -01, -02, -03, -04, -05 with serial numbers listed in paragraph 2.B.2.a. of ASB No. 05.00.38 Revision 3, or later EASA approved revision, and on blades with serial numbers below 8419; for which the annotation "repaired as per Work Card 64.10.00.872" or "repaired as per Work Card 64.10.20.712" is recorded on the log card.
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