Federal Aviation Administration February 6, 2014 – Federal Register Recent Federal Regulation Documents
Results 1 - 4 of 4
Amendment of Class D and Class E Airspace; Grand Forks, ND
This action corrects the geographic coordinates and adds the geographic coordinates of the Grand Forks International Airport ILS Localizer, and removes NOTAM information, in the regulatory text of a final rule that was published in the Federal Register of December 10, 2013, amending Class D and Class E airspace in the Grand Forks, ND area.
Airworthiness Directives; Airbus Airplanes
We propose to supersede Airworthiness Directive (AD) 2004-16- 01, that applies to certain Airbus Model A330-200 and -300, and Model A340-200 and -300, series airplanes. AD 2004-16-01 currently requires repetitive inspections for cracking of the chromed area of the left and right piston rods for the main landing gear (MLG) retraction actuators, and related investigative and corrective actions if necessary. Since we issued AD 2004-16-01, we have determined that the presence of water in the internal volume of the piston rod can consequently lead to propagation of longitudinal cracking in the body of the piston rod. We have also determined through sampling that certain retraction actuator piston rods of the MLG need to be replaced. This proposed AD would require repetitive draining of any fluid from the retraction actuator piston rod internal volume and sealing of the vent hole; repetitive ultrasonic inspections of the upper end of the piston rods, and corrective actions if necessary; a one-time ultrasonic inspection (longitudinal and circumferential) of the full-length of the piston rod, and corrective actions if necessary; and a terminating modification of the left-hand and right-hand MLG retraction actuators. We are proposing this AD to prevent cracking of the piston rods for the MLG retraction actuators, which could result in rupture of a piston rod, non-damped extension of the MLG, high loads on the fully extended MLG, and consequent reduced structural integrity of the MLG.
Airworthiness Directives; The Boeing Company Airplanes
We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 777 airplanes. This proposed AD was prompted by reports of corroded, migrated, or broken spring pins of the girt bar floor fitting; in one case the broken pins prevented a door escape slide from deploying during a maintenance test. This proposed AD would require replacing the existing spring pins at each passenger entry door at both girt bar floor fittings with new spring pins. We are proposing this AD to prevent broken or migrated spring pins of the girt bar floor fittings, which could result in improper deployment of the escape slide/raft and consequent delay and injury during evacuation of passengers and crew from the cabin in the event of an emergency.
Special Conditions: Learjet Inc. Model LJ-200-1A10; Airplane Fuselage Post-Crash Fire Survivability
These special conditions are issued for the Learjet Inc. Model LJ-200-1A10 airplane. This airplane will have a novel or unusual design feature associated with advanced composite materials in the construction of its fuselage and wings. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.
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