Federal Aviation Administration October 3, 2016 – Federal Register Recent Federal Regulation Documents
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Airworthiness Directives; Airbus Airplanes
We propose to adopt a new airworthiness directive (AD) for certain A330-200 Freighter, -200 and -300 series airplanes; and Airbus Model A340-200, -300, -500, and -600 series airplanes. This proposed AD was prompted by reports of certain hydraulic reservoirs (HRs) becoming depressurized due to air leakage from the HR pressure relief valve (PRV). This proposed AD would require repetitive inspections of the hydraulic fluid levels and nitrogen gas pressure in the HR for each hydraulic circuit, and if necessary, adjustment of the fluid level(s) and nitrogen pressure in affected HRs. We are proposing this AD to detect and correct air leakage from the HR PRV, which could lead to the loss of one or more hydraulic systems, with the possible result of loss of control of the airplane.
Airworthiness Directives; Airbus Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Model SA341G and SA342J. This AD prohibits autorotation training flights until the hardness of the landing gear rear crosstube (crosstube) is inspected. This AD is prompted by two reports of crosstubes failing during ground handling. These actions are intended to prevent failure of a crosstube, which could result in dropping or tipping of the helicopter.