Federal Aviation Administration January 18, 2022 – Federal Register Recent Federal Regulation Documents

This action amends Class D airspace, Class E surface area, and Class E airspace extending upward from 700 feet above the surface for Columbus Airport and Lawson Army Air Field (AAF) (Fort Benning), Columbus, GA. This action merges Columbus Airport and Lawson AAF (Fort Benning) Class D airspace and Class E surface area airspace into one header under FAA Order JO 7400.11 and removes the header Columbus Lawson AAF under FAA Order JO 7400.11. This action also amends Columbus Airport's Class D by updating the name of Columbus Airport, (formerly Columbus Metropolitan Airport) and updating the name of Lawson Army Airfield (Fort Benning), (formerly Columbus Lawson AAF); the Lawson AAF (Fort Benning) Class D is amended by establishing an extension to the southeast. This action establishes Class E airspace designated as an extension to a Class D surface area for Columbus Airport, Columbus, GA. The Columbus Airport Class E surface area extension is eliminated and Lawson AAF (Fort Benning) Class E surface area is amended by establishing an extension to the southeast. Columbus Class E airspace extending upward from 700 feet above the surface and Lawson AAF (Fort Benning) Class E airspace extending upward from 700 feet above the surface is amended by increasing the radii and removing the Lawson Very High Frequency Omnidirectional Range with Distance Measuring Equipment (VOR/DME) and Lawson Localizer (LOC) from the description. In addition, this action also makes an editorial change replacing the term Airport/ Facility Directory with the term Chart Supplement in the legal descriptions of associated Class D airspace and Class E surface area. In addition, this action updates the geographic coordinates of the Lawson AAF (Fort Benning) to coincide with the FAA's database. Controlled airspace is necessary for the safety and management of instrument flight rules (IFR) operations in the area.

The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 747-400, -400D, and -400F series airplanes. This AD was prompted by reports of burned Boeing Material Specification (BMS) 8-39 urethane foam, and a report from the airplane manufacturer that airplanes were assembled with seals throughout various areas of the airplane (including flight deck and cargo compartments) made of BMS 8-39 urethane foam, a material with fire- retardant properties that deteriorate with age. This AD requires replacing the system tube/wire seals made of BMS 8-39 urethane foam in certain areas of the airplane. The FAA is issuing this AD to address the unsafe condition on these products.

This action amends the Class E airspace at Bonham, TX. This action is the result of an airspace review due to the decommissioning of the Bonham non-directional beacon (NDB). The geographic coordinates of the airport are also being updated to coincide with the FAA's aeronautical database.

This action proposes to amend the Class E airspace at Watonga, OK. The FAA is proposing this action due to an airspace review conducted as part of the decommissioning of the Kingfisher very high frequency (VHF) omnidirectional range (VOR) as part of the VOR Minimal Operational Network (MON) Program. The name and geographic coordinates of the airport would also be updated to coincide with the FAA's aeronautical database.

The FAA proposes to adopt a new airworthiness directive (AD) for all CFM International, S.A. (CFM) LEAP-1A23, LEAP-1A24, LEAP- 1A24E1, LEAP-1A26, LEAP-1A26CJ, LEAP-1A26E1, LEAP-1A29, LEAP-1A29CJ, LEAP-1A30, LEAP-1A32, LEAP-1A33, LEAP-1A33B2, and LEAP-1A35A model turbofan engines. This proposed AD was prompted by the detection of melt-related freckles in the billet, which may reduce the life of certain compressor rotor stages 6-10 spools, high pressure turbine (HPT) rotor interstage seals, HPT rotor stage 2 disks, low pressure turbine (LPT) stage 1 disks, LPT stage 2 disks, LPT stage 3 disks, and LPT stage 4 disks. This proposed AD would require revising the airworthiness limitations section (ALS) of the applicable CFM LEAP-1A Engine Shop Manual (ESM) and the operator's existing approved continuous airworthiness maintenance program (CAMP) to incorporate reduced life limits for these parts. This proposed AD would also require the removal of certain LPT stage 4 disks identified by serial number (S/N) prior to their new life limits. The FAA is proposing this AD to address the unsafe condition on these products.

This action proposes to amend United States Area Navigation (RNAV) route T-232 in the vicinity of Fairbanks, AK in support of a large and comprehensive T-route modernization project for the state of Alaska.

The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.a. Model AW169 helicopters. This AD was prompted by a report of a broken adjustable device that is part of the pilot and co- pilot yaw pedal assemblies. This AD requires modification of certain pilot and co-pilot yaw pedal assemblies with an improved design and re- identification of affected parts, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.