Division Boeing 727 Series Aeroplanes - AD/B727/135 Amdt 2 - Main Deck Cargo Compartment - Boeing 727 Series Aeroplanes

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AD/B727/135 Amdt 2	Main Deck Cargo Compartment	12/2006 DM

Applicability:	Model 727 equipped with a main deck class B cargo compartment with a volume exceeding 5.66 cubic metres (200 cubic feet).
Requirement:	Action IAW the technical requirements of FAA AD 93-07-15 Amdt 39-8547. However, for the carriage of livestock, an alternative configuration which establishes an equivalent level of safety would be acceptable to the authority.
Compliance:	As specified in the Requirement Document with a revised effective date 22 July 1993 for Australian registered aircraft.Note: The compliance date of this airworthiness directive remains unchanged by this amendment.
	This Amendment becomes effective on 29 September 2006.
Background:	Following the loss of a Boeing model 747-200 “Combi” aircraft that developed a major fire on the main deck cargo compartment, the FAA carried out an evaluation of fire protection requirements of such aircraft. The conclusion indicated that the fire protection requirements for Class B cargo compartments are inadequate.This amendment has been raised to allow for an alternate means of compliance when carrying livestock in a Class B cargo compartment.Amendment 1 was raised to apply FAA AD 93-07-15 which supersededAD 91-10-02.

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David Villiers
Delegate of the Civil Aviation Safety Authority

27 September 2006