Division BAe Systems (Operations) Jetstream 4100 - AD/J4100/7 - Cargo Doors - BAe Systems (Operations) Jetstream 4100 Series Aeroplanes

BAe Systems (Operations) Jetstream 4100 BAe Systems (Operations) Jetstream 4100 Series Aeroplanes

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AD/J4100/7	Cargo Doors	4/2008 DM

Applicability:	All Model Jetstream Series 4100 aircraft that are post modification JM41036B or which have Service Bulletin J41-53-008 (Mod JM41036A) accomplished.
Requirement:	Action in accordance with BAe Regional Aircraft Mandatory Service BulletinJ41-52-060 original issue, or later CAA/EASA approved revision.Note: UK CAA AD 005-08-98 refers.
Compliance:	For Part 1 of the Requirement document:Unless already accomplished, within 30 days after 20 February 2008; thereafter whenever a failed counter-balance motor is identified by Part 2 of the Requirement Document.For Part 2 of the Requirement document:Unless already accomplished, within 30 days after 20 February 2008, and thereafter at intervals not to exceed 5 days. A failed counter-balance motor must be replaced or repaired within 10 flights.
	This Airworthiness Directive becomes effective on 20 February 2008.
Background:	The manufacturer received a report of damage to a sub-frame that supports the bottom aft roller of the main baggage bay door. The sub-frame is primary structure of the door and failure of the sub-frame could allow other structure to fail. Failure of the door structure could cause a sudden loss of cabin pressure.

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David Villiers
Delegate of the Civil Aviation Safety Authority

15 February 2008