AD/BAe 146/119 - Hydraulic System - Accumulators with Suspect Defect (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.

British Aerospace BAe 146 Series Aeroplanes AD/BAe 146/119 Hydraulic System - Accumulators 5/2006 TX with Suspect Defect

Applicability: BAE SYSTEMS - BAe 146 and AVRO 146-RJ series aircraft. Requirement: 1. Identify suspect batch number accumulators in accordance with BAe 146 series / Avro 146-RJ series aircraft Inspection Service Bulletin ISB.29-A046 initial issue dated 14 March 2006 or later EASA approved revisions.

Only one suspect accumulator is allowed to be installed on an individual aircraft.

2. Where such an accumulator is identified, inspect accumulator in accordance with ISB.29-A046.

3. Replace identified accumulator in accordance with para 2.D. of ISB.29-A046

Terminating action: Replacement of identified accumulator with serviceable accumulator is considered terminating action from the requirements of this AD.

Note: EASA Emergency AD number 2006-0061-E dated 17 March 2006 refers. Compliance: 1. Within 48 hours after the effective date of this AD.

2. On identification of the suspect accumulator and thereafter, repetitively, at 48 hour inspection intervals, until terminated as detailed in ISB.29-A046.