Document ID: chunk:federal_register_of_legislation:F2006B09081:body:0
Version: federal_register_of_legislation:F2006B09081
Segment Type: other
Provision Reference: 
Character Range: 0–894

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 DHC-3 (Otter) Series Aeroplanes

AD/DHC-3/31 Control Column Cracking 13/87

 Applicability: All models.

 Requirement: Action in accordance with the Havilland Canada SB 3/39 Rev B.

            Compliance: In accordance with the criteria listed in the Requirement Document but prior to the issue of an initial Certificate of Airworthiness.

            Note 1. Canadian AD CF-82-34 refers.

            Note 2. An inspection is required whenever a parked aircraft is subjected to the adverse wind conditions descried in the Requirement Document.

            Background:  There have been reported cracks in the lower welded assembly at the base of the control column. The cracking is attributed to ground gust loading of the elevator surfaces.