Document ID: chunk:federal_register_of_legislation:F2007L03985:body:0:p1
Version: federal_register_of_legislation:F2007L03985
Segment Type: other
Provision Reference: 
Character Range: 0–3802

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 BO 105 Series Helicopters
AD/BO 105/25  State of Design Airworthiness Directives  11/2007

Applicability:  Eurocopter BO 105 helicopters.
Requirement:       1. Determine the applicability of the German Luftfahrt-Bundesamt (LBA) in Table 1 and Transport Canada Aviation (TCA) Airworthiness Directives (AD) listed in Table 2 of this AD.

                   2. If it is determined that a LBA or TCA AD is applicable and has not been previously accomplished, perform the actions required by that AD.
                   Table 1
                LBA AD     Effective Date      Title
                 75-103     21 May 1975        Quadruple Nuts - Main Rotor Head
                 75-106/2   16 June 1975       Hose Assemblies
                 75-170/2   17 September 1975  Quadruple Nuts and Bolts - Main Rotor Head
                 75-171     5 August 1975      Power Supply System Connector Plugs
                 75-191/2   1 October 1975     Load hook Release Wiring
                 75-238     27 October 1975    Right Outboard Engine Mount Flange
                 76-136/2   5 October 1978     Gearbox Supports - Service Life
                 76-255/2   4 October 1976     Dual Hydraulic Booster
                 76-256/3   19 February 1980   Rotor Brake
                 77-306     12 December 1977   Input Shaft and Ram Air Ventilation
                 78-257     18 October 1978    Dual Hydraulic System Selector Valves
                 78-295/2   21 January 1980    Tail Rotor Blades and Tail Rotor Heads
                 79-135     20 March 1979      Main Rotor Transmission Bearings
                 79-136     14 March 1979      Exhaust Pipe Clamps

              79-137     16 March 1979     Drive Shaft Fairing - Asbestos Cloth
              79-234     17 May 1979       Tail Rotor Control Linkage
              79-235/2   18 October 1979   Dual Hydraulic Booster System
              79-444     17 October 1979   Engine Cowling Fire Protection Paint
              80-95/2    11 June 1980      Bendix Drive Shaft
              80-208     27 August 1980    Main Gearbox Freewheel Shaft
              83-124/2   30 October 1984   Tandem Hydraulic Units
              84-128     6 August 1984     Tail Rotor Blades
              84-177/2   14 January 1984   Cargo Hook
              84-178     5 November 1984   Vertical Fin
              85-50      18 February 1985  Control Rods

                Table 2
             TCA AD     Effective Date    Title
              CF-91-41   1 February 1992  Torque Indication Hose
              CF-93-06   30 April 1993    Continuous Ignition System

             Note:  LBA ADs can be accessed at the following URLs:

             http://www2.lba.de/dokumente/ad/html/ads-eurocopter/3025-bo105.htm

             http://www2.lba.de/dokumente/ad/html/ads-eurocopter/3058-bo-105-lsa3.htm

             TC ADs can be accessed at the following URL:

                http://www.tc.gc.ca/aviation/applications/cawis-swimn/awd-lv-cs1401.asp?rand
Compliance:  For Requirement 1 - Within 30 days after the effective date of this AD or prior to the issue of a certificate of