Ad/B747/334 - Escape Slides, Ramp Slides, and Slides/Rafts of Upper Deck, Off-wing, and Main Doors (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.

Boeing 747 Series Aeroplanes

AD/B747/334 Escape Slides, Ramp Slides, and Slides/Rafts
of Upper Deck, Off-wing, and Main Doors 11/2005

Applicability:	Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, -400, -400D, and -400F series aircraft, as identified in Boeing Service Bulletin 747-25-3279 Revision 1, or later FAA approved revision, or Boeing Service Bulletin 747-25-3232 original issue, or later FAA approved revision, as applicable.
Requirement:	Action in accordance with the technical requirements of FAA AD 2005-16-06 Amdt 39-14211.
Compliance:	As specified in the Requirement document, with a revised effective date of 27 October 2005.
This Airworthiness Directive becomes effective on 27 October 2005.
Background:	The FAA received a report of 30 to 60-second delays in the inflation of escape slides/rafts.  This Directive requires modification of the inflation systems of the upper deck escape slides, off-wing escape ramps/slides and slides, and doors 1, 2, 4, and 5 escape slides/rafts.

David Villiers
Delegate of the Civil Aviation Safety Authority

15 September 2005