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| Thursday, June 21, 2007 |
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Airworthiness Directives; Gulfstream Model GIV-X, GV, and GV-SP Series Airplanes
By FlyingNews @ 1:01 PM :: 379 Views ::
0 Comments :: FAA
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Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2007-28373; Directorate Identifier 2007-NM-110-AD;
Amendment 39-15104; AD 2007-12-25]
RIN 2120-AA64
Airworthiness Directives; Gulfstream Model GIV-X, GV, and GV-SP Series Airplanes
ACTION: Final rule; request for comments.
SUMMARY: The FAA is adopting a new airworthiness directive (AD) for certain Gulfstream Model GIV-X, GV, and GV-SP series airplanes. This AD requires revising the airplane flight manuals (AFMs) of those airplanes, and doing repetitive functional checks of the forward water drain/supply valves and applicable corrective actions. This AD also provides for optional terminating action for the repetitive functional checks. This AD results from reports of failed forward water drain/ supply valves on numerous airplanes, and reports of ice striking the wing-to-body fairings and engine nose cowls of several airplanes. We are issuing this AD to prevent leakage from failed water drain/supply valves allowing the build-up of ice on the airplane, which could separate and strike the airplane structure aft of the failed valves; become ingested by a propulsion engine; or become a hazard to persons or property on the ground.
DATES: This AD becomes effective July 5, 2007.
The Director of the Federal Register approved the incorporation by reference of certain publications listed in the AD as of July 5, 2007.
We must receive comments on this AD by August 20, 2007.
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