AD/PREMIER/6 - Hydraulic Pump Pressure Output Hose (Cth)

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.

Hawker Beechcraft (Raytheon) 390 Series Aeroplanes AD/PREMIER/6 Hydraulic Pump Pressure Output Hose 13/2008 DM

Applicability: Hawker Beechcraft Corporation Model 390 aeroplanes:

1. Serial numbers (S/N) RB-1 and RB-4 through RB-209 equipped with hose kit 390-5805-0001 installed during compliance with Hawker Beechcraft Mandatory Service Bulletin 29-3800, dated May 2007; and

2. S/N RB-210 though RB-239. Requirement: 1. Initially inspect for suspect engine hydraulic pump pressure output hose assemblies, left part number (P/N) 170H143-6CR-0174 and right P/N 170H192D0394C275, by looking at the identification tags for work order numbers and manufacturing dates listed in Table 1 of Hawker Beechcraft Mandatory Service Bulletin (SB) 29-3897, dated August 2008.

If, as a result of this inspection, you find these affected hose assemblies are not installed, no further action is required by this AD.

2. If as a result of the inspection required in Requirement 1 of this AD, it is found that one of the hose assemblies is installed, inspect for evidence of hydraulic fluid leakage in accordance with Hawker Beechcraft Mandatory SB 29-3897.