Document ID: chunk:federal_register_of_legislation:F2006B04689:body:0
Version: federal_register_of_legislation:F2006B04689
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 Bell Helicopter Textron 47 (All Variants) Series Helicopters

 AD/BELL 47/58
 Amdt 1

 Drag Brace Clevis 11/67

 Applicability: All model 47 series with wooden main rotor blades.

             Requirement: 1. Remove drag brace clevises P/N 47-110-235-1 and inspect for cracking in the root of the first six threads from the fork end of the clevis before re-installation. The inspection is to be performed using a fluorescent magnetic particle technique such as Magnaglow or equivalent with residual longitudinal magnetisation.

2.    Alternatively, replace existing clevises with -

                (a)     new parts,

                (b)     serviceable used parts that have either not been involved with main rotor damage or, if so, have been inspected in accordance with para. 1 above.

             Compliance: 1. Before further flight following damage to the main rotor blades sustained through contact with foreign objects whilst rotating.

             2. For parts inspected in accordance with paragraph 1 above, repeat the inspection at between 40 and 50 hours time in service following re-installation.