COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
British Aerospace BAe 146 Series Aeroplanes
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 CAR 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.
AD/BAe 146/92 Centre and Rear Fuselage Skin 10/2001
Applicability: All BAe 146 100, 200, and 300 Series aircraft.
All Avro 146-RJ70, RJ85, and RJ100 Series aircraft.
Requirement: Inspect in accordance with BAE Systems Mandatory Service Bulletin ISB. 53-164.
Note 1: UK CAA AD 002-07-2001 refers.
Note 2: It is important to contact BAE Systems if cracks are found, as the SB requires, for two reasons. First, the company needs the information for its ongoing investigation of this problem. Second, the company is already considering revising the inspection procedure and will design the repairs with this in mind.
Compliance: For BAe 146 aircraft:
- Initially within 4,000 landings after 4 October 2001 or at 16,000 total landings, whichever occurs later.
b. Repeat at intervals not to exceed 8,000 landings. For Avro 146-RJ aircraft:
- Initially within 2,000 landings after 4 October 2001 or at 10,000 total landings, whichever occurs later.
b. Repeat at intervals not to exceed 4,000 landings.
This Airworthiness Directive becomes effective on 4 October 2001.
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Background: Evidence of cracking has been reported along the edges of chemi-etched pockets in the rear fuselage upper skin adjacent to the lap joint at str.2, between frames 35/34 and adjacent to the lap joint at str.10 between frames 38/37.
David Alan Villiers
Delegate of the Civil Aviation Safety Authority 24 August 2001
The above AD is notified in the Commonwealth of Australia Gazette on 12 September 2001.