Federal Aviation Administration March 17, 2015 – Federal Register Recent Federal Regulation Documents
Results 1 - 4 of 4
Airworthiness Directives; General Electric Company Turbofan Engines
We propose to adopt a new airworthiness directive (AD) for all General Electric Company (GE) GEnx turbofan engine models. This proposed AD was prompted by reports of GEnx-1B and GEnx-2B engines experiencing power loss in ice crystal icing (ICI) conditions. This proposed AD would preclude the use of full authority digital engine control (FADEC) software, version B175 or earlier, in GEnx-1B engines, and the use of FADEC software, version C065 or earlier, in GEnx-2B engines. We are proposing this AD to prevent engine failure, loss of thrust control, and damage to the airplane.
Airworthiness Directives; Flugzeugwerke Altenrheim AG (FFA) Airplanes
We are adopting a new airworthiness directive (AD) for Flugzeugwerke Altenrheim AG (FFA) Models AS 202/15 ``BRAVO'', AS 202/ 18A ``BRAVO'', and AS 202/18A4 ``BRAVO'' airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as corrosion on the upper forward fuselage stringers. We are issuing this AD to require actions to address the unsafe condition on these products.
Airworthiness Directives; Airbus Airplanes
We propose to supersede Airworthiness Directive (AD) 2008-22- 20, for certain Airbus Model A330-200, A330-300, and A340-300 series airplanes. AD 2008-22-20 currently requires repetitive high frequency eddy current (HFEC) inspections for cracking, repair if necessary, and modification of the upper shell structure of the fuselage. Since we issued AD 2008-22-20, we have determined from a fatigue and damage tolerance evaluation that the compliance times must be reduced. This proposed AD would shorten certain compliance times. We are proposing this AD to prevent fatigue cracking of the upper shell structure of the fuselage, which could result in reduced structural integrity of the airplane.
Airworthiness Directives; Bombardier, Inc. Airplanes
We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes. This AD was prompted by reports of cracking on the skin panels and skin splice joints and angles at certain stringers at various locations between certain fuselage stations. This AD requires revising the maintenance or inspection program, as applicable, to incorporate new or revised maintenance requirements and airworthiness limitations, and incorporating structural repairs and modifications to preclude widespread fatigue damage (WFD). We are issuing this AD to detect and correct WFD, which could adversely affect the structural integrity of the airplane.
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