Federal Aviation Administration October 23, 2008 – Federal Register Recent Federal Regulation Documents

Airworthiness Directives; Bombardier Model CL-600-2C10 (Regional Jet Series 700, 701 & 702) Airplanes and Model CL-600-2D24 (Regional Jet Series 900) Airplanes
Document Number: E8-25309
Type: Proposed Rule
Date: 2008-10-23
Agency: Federal Aviation Administration, Department of Transportation
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Airworthiness Directives; Air Tractor, Inc. Models AT-200, AT-300, AT-400, AT-500, AT-600, and AT-800 Series Airplanes
Document Number: E8-25286
Type: Proposed Rule
Date: 2008-10-23
Agency: Federal Aviation Administration, Department of Transportation
We propose to supersede Airworthiness Directive (AD) 2008-11- 17, which applies to certain Air Tractor, Inc. Models AT-200, AT-300, AT-400, AT-500, AT-600, and AT-800 series airplanes. AD 2008-11-17 currently requires you to install an overturn skid plate kit or a modification to the overturn skid plate already installed. Since we issued AD 2008-11-17, the manufacturer has notified us that Model AT- 401B airplanes also require a modification to the overturn skid plate. Consequently, this proposed AD would retain the actions of AD 2008-11- 17 and add the requirement to modify the overturn skid plate installed on Model AT-401B airplanes. We are proposing this AD to prevent the front and rear connections of the overturn skid plate to the airplane from breaking, which could allow foreign debris to enter the cockpit during an airplane overturn. This condition, if not corrected, could lead to pilot injury.
Airworthiness Directives; General Electric Company CF6-80A, CF6-80C2, and CF6-80E1 Series Turbofan Engines
Document Number: E8-25278
Type: Proposed Rule
Date: 2008-10-23
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to supersede an existing airworthiness directive (AD) for General Electric Company (GE) CF6-80A, CF6-80C2, and CF6-80E1 series turbofan engines. That AD currently requires revisions to the Airworthiness Limitations Section (ALS) of the manufacturer's Instructions for Continued Airworthiness (ICA) to include required inspection of selected critical life-limited parts at each piece-part exposure. This proposed AD would require revisions to the CF6-80A, CF6- 80C2, and CF6-80E1 series engines ALS sections of the manufacturer's manuals and an air carrier's approved continuous airworthiness maintenance program to incorporate additional inspection requirements, and to update certain Engine Manual Inspection Task and Sub Task Number references. This proposed AD results from the need to require enhanced inspection of selected critical life-limited parts of CF6-80A, CF6- 80C2, and CF6-80E1 series engines. We are proposing this AD to prevent critical life-limited rotating engine part failure, which could result in an uncontained engine failure and damage to the airplane.
Aircraft Noise Certification Documents for International Operations
Document Number: E8-25271
Type: Proposed Rule
Date: 2008-10-23
Agency: Federal Aviation Administration, Department of Transportation
This action would require operators of U.S. registered civil aircraft flying outside the United States to carry aircraft noise certification information on board the aircraft. This proposed rule is needed to ensure that U.S. operators have consistent noise certification information on board when they fly outside the United States. The intended effect of this proposal is to ensure consistent compliance with the International Civil Aviation Organization, Annex 16, Volume 1, Amendment 8 that requires certain noise information be carried on board the aircraft.
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