Document ID: chunk:federal_register_of_legislation:F2019L01073:body:0:p1
Version: federal_register_of_legislation:F2019L01073
Segment Type: other
Provision Reference: 
Character Range: 0–3027

AIRWORTHINESS DIRECTIVE
On the commencement date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below repeals Airworthiness Directive (AD) AD/S-76/66 and issues the following AD under subregulation 39.001 (1) of CASR and subsection 33 (3) of the Acts Interpretation Act 1901. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct an 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.

Sikorsky Aircraft Corporation S-76 Series Helicopters
AD/S-76/66 Amdt 1  Main Landing Gear Positioning Rod Assembly  17/2019

Applicability:  All Sikorsky S-76A, S-76B and S-76C model helicopters with the following parts installed:
                   a. Positioning rod assembly Part Number (P/N) 1945E-31A or 2071-31, or
                   b. Side brace rod end P/N 1945E-235 or 2071-235.
Requirement:         1. a. Inspect the positioning rod assembly and side brace rod end for corrosion in accordance with Section 2, Accomplishment Instructions, in BFGoodrich Service Bulletin (SB) No. 76A-32-03, Revision 1, as in force on 15 September 2000.
                     b. Replace any applicable part that is corroded with a serviceable part.
                     2. a. If the positioning rod assembly or side brace rod end were inspected and re-assembled in accordance with BFGoodrich Component Maintenance Manual with Illustrated Parts List 1945/2071 Series Main Landing Gear, No. 32‑10‑01, as in force from time to time, within the period of 24 months before the commencement of this AD, inspect the positioning rod assembly and side brace rod end in accordance with Section 2 of SB 76A-32-03 Revision 1, as in force on 15 September 2000.
                     b. Replace any applicable part that is corroded with a serviceable part.
                     3. a. For side brace rod ends that are not re-assembled with Mastinox sealant or re-assembled with Mastinox sealant but without cadmium plate restoration; inspect the positioning rod assembly and side brace rod end for corrosion in accordance with Section 2 of SB 76A-32-03 Revision 1, as in force on 15 September 2000.
                     b. Replace any applicable part that is corroded with a serviceable part.
                     4. a. For side brace rod ends assembled with Mastinox sealant and cadmium plate restoration or for side brace rod ends re-assembled with Mastinox but that did not previously require rework due to corrosion, inspect the positioning rod assembly and side brace rod end for corrosion in accordance with Section 2 of SB 76A-32-03 Revision 1, as in force on 15 September 2000.
                     b. Replace any applicable part that is corroded