Federal Aviation Administration March 24, 2008 – Federal Register Recent Federal Regulation Documents
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Airworthiness Directives; Boeing Model 737-300, -400, and -500 Series Airplanes
We are adopting a new airworthiness directive (AD) for all Boeing Model 737-300, -400, and -500 series airplanes. This AD requires repetitive inspections of the downstop assemblies on the main tracks of the No. 2, 3, 4, and 5 slats and the inboard track of the No. 1 and 6 slats to verify if any parts are missing, damaged, or in the wrong order. This AD also requires other specified actions, and related investigative and corrective actions if necessary. This AD results from reports of fuel leaking from a puncture in the slat track housing (referred to as the ``slat can''). We are issuing this AD to detect and correct loose or missing parts from the main slat track downstop assemblies, which could puncture the slat can and result in a fuel leak and consequent fire.
Airworthiness Directives; Eurocopter France Model EC130 B4 Helicopters
This amendment adopts a new airworthiness directive (AD) for the specified Eurocopter France (Eurocopter) Model EC 130 B4 helicopters, with certain twist grip assemblies installed, that requires inspecting the pilot and co-pilot collective levers for proper bonding between the twist grip drive tubes and the control pinions and if debonding is present, replacing the collective levers before further flight. This amendment is prompted by one incident in which the engine remained at idle speed although the twist grip had been turned to the flight position. The actions specified by this AD are intended to detect debonding between the twist grip drive tubes and the control pinions on the pilot and co-pilot collective levers to prevent loss of cockpit throttle control of the engine, and subsequent loss of control of the helicopter.
Airworthiness Directives; Goodrich Evacuation Systems Approved Under Technical Standard Orders (TSOs) TSO-C69, TSO-C69a, TSO-C69b, and TSO-C69c, Installed on Various Boeing, McDonnell Douglas, and Airbus Transport Category Airplanes
We are adopting a new airworthiness directive (AD) for certain Goodrich evacuation systems approved under Technical Standard Orders (TSOs) TSO-C69, TSO-C69a, TSO-C69b, and TSO-C69c, installed on certain Boeing, McDonnell Douglas, and Airbus transport category airplanes. For certain systems, this AD requires replacing the evacuation system's shear-pin restraints with new ones. For certain other systems, this AD requires an inspection for manufacturing lot numbers; and a general visual inspection of the shear-pin restraint for discrepancies, and corrective actions if necessary. This AD results from several reports of corroded shear-pin restraints that prevented Goodrich evacuation systems from deploying properly. We are issuing this AD to prevent failure of an evacuation system, which could impede an emergency evacuation and increase the chance of injury to passengers and flightcrew during the evacuation.
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