Federal Aviation Administration February 8, 2013 – Federal Register Recent Federal Regulation Documents
Results 1 - 4 of 4
Airworthiness Directives; Airbus Airplanes
We propose to supersede an existing airworthiness directive (AD) that applies to all Airbus Model A318, A319, A320, and A321 series airplanes. The existing AD currently requires repetitive inspections of the upper support of the nose landing gear (NLG), and related investigative and corrective actions if necessary; and also provides an optional terminating action for the repetitive inspections. Since we issued that AD, we have determined that previously allowed terminating actions no longer address the unsafe condition and that a new terminating action is necessary. This proposed AD would require installing a new enhanced manufacturing and maintainability (EMM) braking and steering control unit (BSCU) standard and adds airplanes to the applicability. We are proposing this AD to prevent landings with the NLG turned 90 degrees from centerline, which could result in reduced controllability of the airplane.
Airworthiness Directives; The Boeing Company Airplanes
We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-300, 747-400, 747-400D, and 747SP series airplanes. This proposed AD was prompted by reports of worn or incorrectly assembled latches on main deck escape slides installed on airplane doors. This proposed AD would require determining if the latches are correctly assembled; and corrective actions if necessary. This proposed AD also would require, for certain airplanes, modifications to the escape slide/rafts and escape slides. We are proposing this AD to prevent a latch hook moving from closed to open in an escape slide/raft or escape slide, which could result in the escape slide/raft or escape slide not deploying correctly in an emergency, or releasing/inflating into the passenger cabin and causing injury to passengers and crew.
Noise Exposure Map Notice, Southwest Florida International Airport, Fort Myers, FL
The Federal Aviation Administration (FAA) announces its determination that the Noise Exposure Maps submitted by the Lee County Port Authority for the Southwest Florida International Airport under the provisions of 49 U.S.C. 47501 et. Seq (Aviation Safety and Noise Abatement Act) and 14 CFR Part 150 are in compliance with applicable requirements.
Airworthiness Directives; MD Helicopters, Inc., Helicopters
We are adopting a new airworthiness directive (AD) for MD Helicopters, Inc. (MDHI) Model 500N, 600N and MD900 helicopters to require determining the cure date for each NOTAR fan blade tension- torsion strap (T-T strap), establishing a calendar-time retirement life for certain T-T straps, reducing the retirement life of certain T-T straps, marking each T-T strap with the expiration date, creating a component record card for each T-T strap, and revising the airworthiness limitations section of the maintenance manual to reflect the changes to the retirement life. This AD was prompted by a report from the T-T strap manufacturer that, over a period of time, moisture may reduce the strength of a T-T strap. The actions are intended to prevent failure of a T-T strap, loss of directional control and subsequent loss of control of the helicopter.
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