1AD/PMC/18 Amdt 1 - Propeller Hub - Modification or Replacement

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Propellers - Variable Pitch - McCauley

AD/PMC/18

Amdt 1

Propeller Hub - Modification or Replacement 2/71

Applicability: Models 2D34C8 and 2D34C8-A, -J and -K; 2D34C53 and 2D34C53-A, B2D34C53-J and -K; 2D34CT69 and B2D34CT69-J and -K.

Requirement: For models 2D34C8, 2D34C8-A, -J and -K modify the hub by shot peening the blade retention threads in accordance with SB No. 88 or fit a replacement hub model 2D34C8-M or subsequent.

For models 2D34C53, 2D34C53-A, B3D34C53-J and B2D34C53-K, modify the hub by shot peening the blade retention threads in accordance with SB No. 88 or fit a replacement hub model 2D34C53-M or subsequent, or B2D34C53-M or subsequent.

For models 2D34CT69, B2D34CT69-J and -K, modify the hub by shot peening the blade retention threads in accordance with SB No. 88 or fit a replacement hub model 2D34CT69-M or subsequent, or B2D34CT69-M or subsequent.

Compliance: For propellers that have completed 600 or more hours total time in service - within 100 hours time in service. For propellers that have completed less than 600 hours total time in service - before achieving 700 hours time in service.