AD/HS 125/160 - Flight Control Cables and Pitot Pipes (Cth)

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

British Aerospace BAe 125 Series Aeroplanes

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 39.1 (1) of CAR 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 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.

AD/HS 125/160 Flight Control Cables and Pitot Pipes 2/2000

Applicability: All Model BAe 125 series 1000A and 1000B, and Model Hawker 1000 series aeroplanes.

Requirement: 1. Perform a one-time general visual inspection to detect chafing or damage of the P1 pitot pipes, in accordance with Raytheon Service Bulletin SB.34-3028, dated January 1998.

Note 1: For the purposes of this directive, a general visual inspection is defined as: "A visual examination of an interior or exterior area, installation, or assembly to detect obvious damage, failure, or irregularity. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight, or drop-light, and may require removal or opening of access panels or doors. Stands, ladders, or platforms may be required to gain proximity to the area being checked."

2. If no chafing or damage is found during the Requirement 1 inspection, ensure a clearance of 0.25 inch or more exists between the P1 pitot pipes and flight control cables. If clearance is less than 0.25 inch, reposition the P1 pitot pipes to achieve 0.25 inch clearance, in accordance with the service bulletin.