Federal Aviation Administration July 15, 2021 – Federal Register Recent Federal Regulation Documents
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Notice of Intent To Rule on Request for Disposal of 14.1 Acres of Land at Auburn-Lewiston Airport, Auburn, ME
Notice is being given that the FAA is considering a request from the Cities of Auburn and Lewiston, ME to dispose of 14.1 acres of land at Auburn-Lewiston Airport, Auburn, ME. The land is not required for aeronautical use. Given its location, the disposal of land will not affect existing or future aviation development needs at the airport. An avigation easement will be placed on the property to ensure conformance with airport airspace requirements. The proceeds of the land sale will be placed in the airport's operating and maintenance account.
Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by BMW Rolls-Royce GmbH and BMW Rolls-Royce Aero Engines) Turbofan Engines
The FAA is adopting a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd. & Co KG (RRD) BR700-715A1-30, BR700-715B1-30, and BR700-715C1-30 model turbofan engines. This AD was prompted by reports of HPT stage 1 blades failing in service due to sulphidation and subsequent crack initiation. This AD requires removal and replacement of the HPT stage 1 blade and HPT stage 1 blade damper. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines
The FAA is adopting a new airworthiness directive (AD) for all Safran Helicopter Engines, S.A. Arriel 2C and Arriel 2S1 model turboshaft engines. This AD was prompted by reports of error messages on the full authority digital engine control (FADEC) B digital engine control unit (DECU), caused by blistering of the varnish on the DECU circuit board. This AD requires the replacement of certain FADEC B DECUs. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 777 airplanes. This AD was prompted by reports indicating that during investigation of a fuel leak, fatigue cracking was found on the forward inboard side of the fuel tank access door cutouts on the left and right lower wing skin. The cause of the cracking is attributed to corrosion damage. This AD requires repetitive inspections for any existing repair of the wing lower skin fuel tank and dry bay access door cutouts on the left and right lower wing skin, and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 777-300ER series airplanes. This AD was prompted by a report that a production design change to certain insulation blankets inadvertently opened up leakage paths for halon and smoke to escape from the aft cargo compartment in the event of a fire. This AD requires installation of an insulation blanket assembly on top of existing insulation blankets in certain areas of the forward endwall in the aft cargo compartment. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 747-400, 747-400D, and 747-400F series airplanes. This AD was prompted by reports of burned Boeing Material Specification (BMS) 8-39 urethane foam found in certain locations on the airplane; investigation revealed that the fire-retardant properties degrade with age. This AD requires inspecting the insulation blankets in certain areas of the forward cargo compartment for exposed BMS 8-39 urethane foam, not encapsulated by a protective fire resistant barrier, and for seal integrity, and replacing the BMS 8-39 urethane foam and seal if necessary. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a Model AW189 helicopters. This proposed AD was prompted by a report of an incorrect connection of the inflation hoses to the tee manifolds of the inflation line on the emergency flotation system (EFS) assembly. This proposed AD would require visually inspecting the yellow sleeves and hoses installed on each EFS assembly and depending on the inspection results, accomplishing the corrective actions in the applicable service information as specified in a European Aviation Safety Agency (now European Union Aviation Safety Agency) (EASA) AD, which is proposed for incorporation by reference (IBR). The FAA is proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters
The FAA is superseding Airworthiness Directive (AD) 2003-25-01 which applied to certain Eurocopter France (now Airbus Helicopters) Models AS332C, AS332C1, AS332L, AS332L1, AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350D, AS355E, AS355F, AS355F1, AS355F2, and AS355N helicopters. AD 2003-25-01 required modifying and re-identifying the hoist operator control unit and replacing certain fuses. This AD was prompted by the identification of multiple errors in the applicable service information for the AS350-series and AS355-series helicopters and of other needed changes. This AD retains certain requirements of AD 2003-25-01, revises the applicability, and requires using corrected service information. This AD also requires reporting certain information and prohibits the installation of an affected hoist until the required actions are accomplished. The FAA is issuing this AD to address the unsafe condition on these products.
Establishment and Modification of Class E Airspace; Williston Basin, ND
This action establishes a Class E airspace area, designated as an extension to a Class D or Class E surface area, at Williston Basin International Airport, Williston, ND. This action also modifies the Class E airspace extending upward from 700 feet above the surface. The airspace modifications support the establishment of new instrument procedures for runways 04 and 22. This action also updates the geographic coordinates in the Class E2 and Class E5 text headers. The airspace supports instrument flight rules (IFR) operations at the airport.
Amendment of V-25, V-27, V-494,V-108, V-301, and T-257 in the Vicinity of Santa Rosa, CA
This action corrects a final rule published by the FAA in the Federal Register on June 4, 2021 that amends VHF Omnidirectional Range (VOR) Federal airways V-25, V-27, V-494, V-108, V-301, and United States Area Navigation route (RNAV) T-257 in the vicinity of Santa Rosa, CA. This action makes an editorial correction to include the Mendocino VOR, which was inadvertently deleted from the legal description for V-494. Amendments are due to the planned decommissioning of the Santa Rosa, CA VOR/Distance Measuring Equipment (DME) navigation aid (NAVAID) which provides navigation guidance for portions of the affected airways. The Santa Rosa VOR/DME is being decommissioned as part of the FAA's VOR Minimum Operational Network (MON) program.
Amendment to Federal Airways Amber 15 (A-15), V-444, J-502, J-511, and Extension of Canadian Area Navigation Routes Q-902 and Q-811; Alaska
This action amends Federal airways, A-15, V-444, J-502, and J- 511 in Alaska. It also establishes an extension of two Canadian Area Navigation Q routes, Q-902, and Q-811. The modifications are necessary due to the decommissioning of the Burwash Non-Directional Beacon (NDB) in Yukon Territory, Canada, which provides navigation guidance for portions of the affected routes. The Burwash NDB was decommissioned effective March 26, 2020 due to ongoing maintenance problems and logistic issues.
Airworthiness Directives; Dassault Aviation Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all Dassault Aviation Model FALCON 7X, FALCON 900EX, and FALCON 2000EX airplanes. This proposed AD was prompted by a report of a manufacturing issue involving misalignment of a cabin seat pin and plate that can prevent the recline locking mechanism from properly engaging when the seat is in taxi, take-off, or landing position. This proposed AD would require an inspection of certain cabin seats for discrepancies and corrective action, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference. The FAA is proposing this AD to address the unsafe condition on these products.
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