AD/B767/204 - Forward Cargo Compartment Wire Bundles (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.

Boeing 767 Series Aeroplanes AD/B767/204 Forward Cargo Compartment Wire Bundles 2/2005

Applicability: Model 767-200 and –300 series aeroplanes, as listed in Boeing Alert Service Bulletin (ASB) 767-24A0128, Revision 3, dated 24 June 2004. Requirement: 1. Carry out a one-time detailed inspection for discrepancies of all wire bundles, including power feeder cables W208 and W236, of the electrical system in the forward cargo compartment from stations 368 through 742 and from right buttock lines (RBL) 40 through 70, routed along the ceiling, according to the Accomplishment Instructions of ASB 767-24A0128, Revision 3. Discrepancies include chafing or damage of wire bundles near stand-offs that attach the cargo ceiling liner to the floor beams. Note 1: For the purposes of this Directive, a detailed inspection is defined as: "An intensive visual examination of a specific structural area, system, installation or assembly to detect damage, failure or irregularity. Available lighting is normally supplemented with a direct source of good lighting at intensity deemed appropriate by the inspector. Inspection aids such as mirror, magnifying lenses, etc., may be used. Surface cleaning and elaborate access procedures may be required." 2. Repair any discrepancy noted during the Requirement 1 inspection, in accordance with the Accomplishment Instructions of ASB 767-24A0128, Revision 3. 3. Examine the clearance between all wire bundles, including the power feeder cables, in the forward cargo compartment and the cargo liner standoffs in accordance with ASB 767-24A0128, Revision 3. 4. Following the Requirement 3 examination, carry out any necessary corrective actions specified in the table below and according to ASB 767-24A0128, Revision 3, noting that a tie cord having part number (P/N) BMS 13-54 or equivalent may be used as an alternative to a tie strap having P/N BACS38K2.