AD 83-07-07

83-07-07 BRITISH AEROSPACE, AIRCRAFT GROUP, SCOTTISH DIVISION: Amendment 39-4605. Applies to Model HP.137 Jetstream MK-1 and Jetstream Series 200 airplanes certificated in any category.

Compliance: Required as indicated, unless already accomplished.

To prevent possible jamming of the rudder, accomplish the following:

a) Within 100 hours time-in-service, after the effective date of this AD:

1) Remove the access panel located between the two bottom ribs in the rudder. Using a light and mirror visually inspect the two rudder skin panel stiffeners for damage in accordance with British Aerospace, Aircraft Group, Jetstream Service Bulletin (SB) No. 8/2, Revision 1, dated November 10, 1982, hereinafter referred to as the SB. Ensure that any debris from damaged stiffeners is removed from the rudder.

2) Fit a fabric patch (debris net) on the undersurface of Rib No. B and provide effective water drainage in accordance with the SB.

b) Incorporate British Aerospace Modification 5210 to the rudder assembly as specified in SB No. 8/2, by December 31, 1985.

c) Aircraft may be flown in accordance with FAR 21.197 to a location where this Airworthiness Directive (AD) can be accomplished.

d) An equivalent method of compliance with this AD, if used, must be approved by the Manager, Aircraft Certification Staff, AEU-100, Europe, Africa and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium.

This amendment becomes effective on April 11, 1983.