AD/HOSE/8 - Titeflex Hoses (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 39.1 (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.

Hose Assemblies

AD/HOSE/8 Titeflex Hoses 7/2004

Applicability: Titeflex Corporation hoses installed on, but not limited to, Boeing 737-300, -400, -500, -600, -700, -700C, -800, -900, 747-400, 757-200, -300, 767-200, - 300, and -300F aeroplanes.

Requirement: 1. Inspect the manufacture date code on all hoses listed in Table 1 of this Directive. Use the Accomplishment Instructions of the applicable Boeing alert service bulletins (ASB) contained in Table 1 of this Directive.

2. If the manufacture date is 11/99 through 1/01 and there is a permanent white dot on the ID band, no further action is required for that hose.

3. If the hose manufacture date code is 11/99 through 1/01 inclusive and there is no permanent white dot on the ID band, replace the hose with a serviceable hose or perform an indirect conductive inspection/test for proper heat treat. Use the accomplishment instructions of the applicable ASB listed in Table 1 of this AD.

4. Replace the hose with a serviceable hose if any B-nut is improperly heat-treated.

Table 1. --Applicable Hose P/Ns