AD/AL 250/85 Amdt 1 - Fuel Nozzle Screen (Cth)

AIRWORTHINESS DIRECTIVE On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/AL 250/85 and issues the following 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.

Allison Turbine Engines - 250 Series AD/AL 250/85 Amdt 1 Fuel Nozzle Screen 10/2006

Applicability: Rolls Royce Corporation (Allison) 250-B and 250-C series turboshaft and turboprop engines as listed in Table 1 of this Directive.

TABLE 1. - 250-B AND 250-C SERIES TURBOSHAFT AND TURBOPROP ENGINES AFFECTED -B15A -B15E -B15G -B17 -B17B -B17C -B17D -B17E -B17F -B17F/1 -B17F/2 - C10 -C10B -C10C -C18 -C18A -C18B -C18C -C20 -C20B -C20C -C20F -C20J -C20R -C20R/1 -C20R/2 -C20R/4 -C20S -C20W -C28 -C28B -C28C -C30 -C30G -C30G/2 -C30M -C30P -C30R -C30R/1 -C30R/3 -C30R/3M -C30S -C30U -C40B -C47B -C47M

Requirement: 1. Perform a onetime inspection of the screens in fuel nozzles for contamination.

2. If you find contamination on the screen, inspect and clean the entire aircraft fuel system.