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AD/B767/178 Amdt 1 — Auto-Speedbrake Control System
Boeing 767 Series AeroplanesBoeing 767 Series Aeroplanes
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Boeing 767 Series Aeroplanes
| AD/B767/178 Amdt 1 | Auto-Speedbrake Control System | 14/2013 |
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| Applicability: | Model 767-200, -300, and -300F series aeroplanes, line numbers 1 through 759 inclusive. |
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| Requirement: | Modify the right main landing gear and auto-speedbrake control system according to Work Packages 1 through 4 of the Accomplishment Instructions of Boeing Alert Service Bulletin (ASB) 767-27A0160, dated 20 December 2000 or later FAA approved revisions.Note 1: Boeing ASB 767-27A0160 specifies that each work package can be done independently or at the same time, in any sequence, but Work Package 4 should be done last.Note 2: FAA AD 2002-12-04 Amdt 39-12776 refers. |
| Compliance: | Before 31 July 2007. |
| This Amendment becomes effective on 9 July 2013. | |
| Background: | This amendment recognises approved revisions of the service bulletin as being acceptable. The original compliance date remains unchanged.This Directive requires modification of the right main landing gear and auto-speedbrake control system to provide an air/ground signal to the system. The modification provides a second air/ground signal to the auto-speedbrake control system, which is designed to prevent uncommanded deployment of the auto-speedbrake spoilers during flight. Uncommanded deployment of the auto-speedbrake spoilers could result in reduced controllability of the aeroplane. |
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Mike Higgins
Delegate of the Civil Aviation Safety Authority
25 June 2013