Document ID: chunk:federal_register_of_legislation:F2006L03811:body:0:p1
Version: federal_register_of_legislation:F2006L03811
Segment Type: other
Provision Reference: 
Character Range: 0–3249

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 39.001(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 SA 315 (Lama) Series Helicopters
AD/SA 315/13  Horizontal Stabiliser Spar  13/2006

Applicability:  Model SA 315 B helicopters.
Requirement:       1. STABILISERS PART NUMBER 315A-35-10-000-1

                     a. Accomplishment of a visual inspection in accordance with paragraph 2.B(1) of Eurocopter SA 315 Service Bulletin (SB) No. 55.01 Revision 2, was required within 3 months after 14 December 1996.

                     If corrosion is detected inside the tube, other than in the half-shell area, replacement of the tube was required within 500 flight hours or by
                     31 December 1998, whichever occurred first.

                     b. Compliance with paragraph 2.B(2) of SB No. 55.01 Revision 2, which corresponds to the embodiment of modifications 07.2215 (adding half shells on the spar tube) and 07.2214 (installation of the spar tube without play), was required by 1 March 1984, as mandated by DGAC AD 83-204-026(B), which has since been cancelled.

                     c. Once compliance with Requirement 1.b. is confirmed, accomplish the following:

                        (i) Visually check the installation of the half-shells and the horizontal stabiliser.

                        (ii) Visually check the condition of the installation and lubricate the spar tube attachment bolts.

                     d. For the horizontal stabilisers part number 315A35-10-000-1 on which modification 07.2215 has been embodied, the airworthiness aspects covered by DGAC AD 85-194-030(B) (effective 27 November 1985) which is superseded and replaced by DGAC AD 96-277-037(A) (this AD) remain applicable.  These aspects are as follows:

                     Confirm that there are no traces of marking on the spar tube and rework the stabiliser support fittings in accordance with paragraph C.1. of Eurocopter Service Bulletin (SB) No. 01.23.

        e. For horizontal stabilisers part number 315A35-10-000-1 on which modification 07.2215 has been embodied and which do not have the letter "X" engraved on the identification plate in the official stamp area, the airworthiness aspects covered by DGAC AD 88-025-031(B) (effective
        13 February 1988) which is superseded and replaced by DGAC AD
        96-277-037(A) (this AD) remain applicable.  These aspects are as follows:

        With a view to removing any traces of corrosion and improving the protective treatment at the half-shell-to-stabiliser tube centre section assembly points, the following measures were to have been applied at the 400 flight hour interval