14 CFR Chapter II - OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS)

This rule establishes, amends, suspends, or removes Standard Instrument Approach Procedures (SIAPs) and associated Takeoff Minimums and Obstacle Departure Procedures (ODPs) for operations at certain airports. These regulatory actions are needed because of the adoption of new or revised criteria, or because of changes occurring in the National Airspace System, such as the commissioning of new navigational facilities, adding new obstacles, or changing air traffic requirements. These changes are designed to provide safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.

We propose to supersede Airworthiness Directive (AD) 2016-04-16, which applies to all The Boeing Company Model DC-10-10, DC-10-10F, DC-10-15, DC-10-30, DC-10-30F (KC-10A and KDC-10), DC-10-40, DC-10-40F, MD-10-10F, MD-10-30F, MD-11, and MD-11F airplanes. AD 2016-04-16 requires adding design features to detect electrical faults and to detect a pump running in an empty fuel tank. Since we issued AD 2016-04-16, we have received new service information that would eliminate the need for certain provisions of AD 2016-04-16. This proposed AD would provide optional terminating action for certain requirements. We are proposing this AD to address the unsafe condition on these products.

We propose to adopt a new airworthiness directive (AD) for all BAE Systems (Operations) Limited Model 4101 airplanes. This proposed AD was prompted by a determination that inspection requirements for a number of maintenance tasks are incorrect. This proposed AD would require a one-time detailed inspection of a certain fuselage frame and repair, if necessary, and a revision of the maintenance or inspection program, as applicable, to incorporate new or revised maintenance instructions and airworthiness limitations. We are proposing this AD to address the unsafe condition on these products.

The FAA is correcting an airworthiness directive (AD) that published in the Federal Register . The AD applies to certain Gulfstream Aerospace Corporation Models G-IV and GIV-X airplanes. Paragraphs (h)(3) through (5) of the AD incorrectly reference Customer Bulletin 238A as Customer Bulletin 283A. This document corrects that error. In all other respects, the original document remains the same; however for the sake of clarity, we are publishing the entire rule in the Federal Register .

This action corrects a final rule published in the Federal Register on April 20, 2018, amending and removing Class E airspace at Seven Springs, PA, by correcting the geographic coordinates in the legal description of Class E airspace extending upward from 700 feet or more above the surface for Somerset County Airport.

This action removes Class E surface airspace at Mid-State Airport, as the airport no longer qualifies for surface airspace. Also, this action removes Class E airspace extending upward from 700 feet above the surface at Philipsburg Area Hospital Heliport, as the Hospital has closed. Controlled airspace redesign is necessary for the safety and management of instrument flight rules (IFR) operations at Mid-State Airport.

We propose to adopt a new airworthiness directive (AD) for certain Embraer S.A. Model ERJ 190 airplanes. This proposed AD was prompted by reports of bushing migration and loss of nut torque on the engine pylon lower inboard and outboard link fittings. This proposed AD would require modification of the attaching parts of the left-hand (LH) and right-hand (RH) pylon lower link fittings, inboard and outboard positions. We are proposing this AD to address the unsafe condition on these products.

We propose to adopt a new airworthiness directive (AD) for all Airbus Model A350-941 airplanes. This proposed AD was prompted by a report of an overheat failure mode of the hydraulic engine-driven pump, which could cause a fast temperature rise of the hydraulic fluid. This proposed AD would require modifying the hydraulic monitoring and control application (HMCA) software. We are proposing this AD to address the unsafe condition on these products.

We propose to adopt a new airworthiness directive (AD) for certain Airbus Model A350-941 airplanes. This proposed AD was prompted by a determination that more restrictive maintenance requirements and airworthiness limitations are necessary. This proposed AD would require revising the maintenance or inspection program, as applicable, to incorporate new or more restrictive maintenance requirements and airworthiness limitations. We are proposing this AD to address the unsafe condition on these products.

We propose to adopt a new airworthiness directive (AD) for certain Airbus Model A350-941 airplanes. This proposed AD was prompted by the discovery of inadequate corrosion protection in certain areas of the horizontal stabilizer and the rear fuselage cone structure. This proposed AD would require application of sealant and protective treatment on the affected areas of the horizontal stabilizer and the rear fuselage cone structure and, for certain airplanes, modification of the trimmable horizontal stabilizer (THS) torsion box and re-identification of the elevator. We are proposing this AD to address the unsafe condition on these products.

We propose to adopt a new airworthiness directive (AD) for all International Aero Engines (IAE) PW1133G-JM, PW1133GA-JM, PW1130G-JM, PW1127G-JM, PW1127GA-JM, PW1127G1-JM, PW1124G-JM, PW1124G1-JM, and PW1122G-JM turbofan engines. This proposed AD was prompted by reports of in-flight engine shutdowns and aborted take-offs as the result of certain parts affecting the durability of the rear high-pressure compressor (HPC) rotor hub knife edge seal. This proposed AD would require replacing the diffuser case air seal assembly, the high-pressure turbine (HPT) 2nd-stage vane assembly, and the HPT 2nd-stage borescope stator vane assembly with parts eligible for installation. We are proposing this AD to address the unsafe condition on these products.

We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This AD was prompted by reports of cracks found in the rear spar web and lower chord on the left and right wings. This AD requires repetitive detailed inspections for cracking of the rear spar web and lower chord, and applicable on-condition actions. We are issuing this AD to address the unsafe condition on these products.

We are adopting a new airworthiness directive (AD) for all Airbus Model A318-111 and -112 airplanes; Model A319-111, -112, -113, -114, and -115 airplanes; Model A320-211, -212, -214, and -216 airplanes; and Model A321-111, -112, -211, -212, and -213 airplanes. This AD was prompted by a review of maintenance instructions for a blend repair of the snout diameter of the main beam assembly of the forward engine mount that would create an excessive gap between the bearing mono-ball and the snout. This AD requires modifying the main beam assembly of the forward engine mount. We are issuing this AD to address the unsafe condition on these products.

This action establishes Class E airspace extending upward from 700 feet above the surface at Pago Pago International Airport, Pago Pago, American Samoa (AS), to accommodate new area navigation (RNAV) procedures at the airport. This action is necessary for the safety and management of instrument flight rules (IFR) operations within the National Airspace System.

This action modifies the San Francisco, CA, Class B airspace area to contain aircraft conducting instrument flight rules (IFR) instrument approach procedures to San Francisco International Airport (SFO), San Francisco, CA. The FAA is taking this action to improve the flow of air traffic, enhance safety, and reduce the potential for midair collision in the SFO Class B airspace area while accommodating the concerns of airspace users. Further, this effort supports the FAA's national airspace redesign goal of optimizing terminal and enroute airspace to reduce aircraft delays and improve system capacity.

We are adopting a new airworthiness directive (AD) for all Bombardier, Inc., Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes, Model CL-600-2D15 (Regional Jet Series 705) airplanes, Model CL-600-2D24 (Regional Jet Series 900) airplanes, and Model CL-600-2E25 (Regional Jet Series 1000) airplanes. This AD was prompted by a report that Belleville washers installed on the shimmy damper of the main landing gear (MLG) may fail due to fatigue. This AD requires revising the maintenance or inspection program, as applicable, to incorporate a repetitive task specified in the maintenance review board (MRB) report. We are issuing this AD to address the unsafe condition on these products.

We propose to supersede Airworthiness Directive (AD) 2018-11-05, which applies to certain Honda Aircraft Company (Honda) LLC Model HA-420 airplanes. AD 2018-11-05 requires incorporating a temporary revision into the airplane flight manual and replacing the faulty power brake valve (PBV) upon condition. Since AD 2018-11-05 was issued as an interim action in order to address the need for the immediate detection of a faulty PBV, we are issuing this proposed AD to address the long-term corrective action. This proposed AD would retain the actions required in AD 2018-11-05, would require replacing the faulty PBV with an improved design part at a specified time, and would prohibit future installations of the faulty PBVs on all Honda Model HA-420 airplanes. We are proposing this AD to address the unsafe condition on these products.

We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 707 series airplanes and Model 720 and 720B series airplanes. This proposed AD was prompted by a report indicating that a fracture of the midspar fitting resulted in the separation of the inboard strut and engine from the airplane, and a determination that existing inspections are not sufficient for timely detection of cracking. This proposed AD would require repetitive inspections of certain nacelle strut spar and overwing fittings, and diagonal braces and associated fittings; replacement of the diagonal brace assembly on certain airplanes; and applicable related investigative and corrective actions. We are proposing this AD to address the unsafe condition on these products.

We propose to adopt a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK 117 C-2 and MBB-BK 117 D-2 helicopters. This proposed AD would require altering and re-identifying the overhead panel shock mount assembly (shock mount). This proposed AD is prompted by the manufacturer's stress recalculations. The actions of this proposed AD are intended to correct an unsafe condition on these products.

This action proposes special conditions for the BHTI Model 525 helicopter. This helicopter will have a novel or unusual design feature associated with the fly-by-wire flight control system (FBW FCS) in the area of pilot awareness of the control margins remaining while maneuvering the helicopter. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. These proposed 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.

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 767-200 and -300 series airplanes. This AD was prompted by a report of two cracks at a certain frame inner chord. This AD requires a detailed inspection for any material review board (MRB) filler installed in the area from the frame web to the stub-beam fitting at certain stations to determine if the filler extends above the frame-to-stub-beam joint, and applicable on-condition actions. We are issuing this AD to address the unsafe condition on these products.

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 787-8 airplanes. This AD was prompted by a report of possible degraded bond-line performance of co-bonded upper wing stringer-to-skin joints. This AD requires repetitive inspections of certain upper wing stringers for any disbond and corrective actions, if necessary; and a terminating preventive modification of installing disbond arrestment (DBA) fasteners. This AD also requires revising the inspection or maintenance program to incorporate an airworthiness limitation. We are issuing this AD to address the unsafe condition on these products.

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 767-300 and -300F series airplanes. This AD was prompted by reports of fatigue cracking on airplanes with Aviation Partners Boeing winglets installed. This AD requires high frequency eddy current (HFEC) inspections for cracking of the lower outboard wing skin, and repair or modification if necessary. This AD also requires one of three follow-on actions: Repeating the HFEC inspections, modifying certain internal stringers and oversizing and plugging the existing fastener holes of the lower wing, or modifying the external doubler/tripler and doing repetitive post-modification inspections. We are issuing this AD to address the unsafe condition on these products.

We are adopting a new airworthiness directive (AD) for certain Airbus Model A350-941 airplanes. This AD requires a detailed inspection of the four retaining pins in the main landing gear support structure (MLGSS) trunnion block, left- and right-hand sides, and related investigative and corrective actions if necessary. This AD was prompted by a determination that short retaining pins may have been installed at the incorrect location of the MLGSS forward pintle. We are issuing this AD to address the unsafe condition on these products.

This action amends Class E airspace extending upward from 700 feet above the surface at Halliburton Field, Duncan, OK. This action is a result of an airspace review caused by the decommissioning of the Duncan VHF omnidirectional range (VOR) navigation aid as part of the VOR Minimum Operational Network (MON) Program and the cancellation of the associated instrument procedures. The geographic coordinates of the airport are also being updated to coincide with the FAA's aeronautical database, as well as an editorial change removing the city associated with the airport name in the airspace legal designation.

This action amends Class D airspace and establishes Class E airspace designated as a surface area at University of Oklahoma Westheimer Airport, Norman, OK. The University of Oklahoma Westheimer Airport requested establishment of this airspace. This action also amends Class E airspace extending upward from 700 feet above the surface at the University of Oklahoma Westheimer Airport contained within the Oklahoma City, OK, airspace legal description, by removing the Oklahoma Westheimer Airport ILS localizer and realigning the southwest segment. Additionally, the name of the University of Oklahoma Westheimer Airport is being updated to coincide with the FAA's aeronautical database in the Class D airspace legal description. This action is necessary for the safety and management of instrument flight rules (IFR) operations at this airport.

This action modifies Class E airspace extending upward from 700 feet above the surface at Bishop International Airport, Flint, MI, and establishes separate Class E airspace extending upward from 700 feet above the surface at Owosso Community Airport, Owosso, MI. This action is necessary due to the closure of the Athelone Williams Memorial Airport, Davison, MI, which is included in the Flint, MI, airspace description; the cancellation of the instrument approach procedures at the Genesys Regional Medical Center, Grand Blanc, MI, also included in the Flint, MI, airspace description; and updates the Bishop International Airport airspace and the Owosso Community Airport airspace to comply with FAA Order 7400.2L, Procedures for Handling Airspace Matters. The geographic coordinates of the Bishop International Airport and Prices Airport, Linden, MI, are also being updated to coincide with the FAA's aeronautical database.

This action establishes Class D airspace at Clinton-Sherman Airport, Burns Flat, OK; removes Class D airspace at Clinton-Sherman Airport, Clinton-Sherman Airport, OK; and amends Class E airspace extending upward from 700 feet above the surface at Clinton-Sherman Airport, Burns Flat, OK; Clinton Municipal Airport, Clinton, OK; and Elk City Regional Business Airport, Elk City, OK. This action is due to the decommissioning of the Sayre co-located VHF omnidirectional range and tactical air navigation (VORTAC) facility, which provided navigation guidance for the instrument procedures to these airports. The VORTAC is being decommissioned as part of the VHF omnidirectional range (VOR) Minimum Operational Network (MON) Program.

This rule establishes, amends, suspends, or removes Standard Instrument Approach Procedures (SIAPs) and associated Takeoff Minimums and Obstacle Departure Procedures (ODPs) for operations at certain airports. These regulatory actions are needed because of the adoption of new or revised criteria, or because of changes occurring in the National Airspace System, such as the commissioning of new navigational facilities, adding new obstacles, or changing air traffic requirements. These changes are designed to provide safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.

This rule amends, suspends, or removes Standard Instrument Approach Procedures (SIAPs) and associated Takeoff Minimums and Obstacle Departure Procedures for operations at certain airports. These regulatory actions are needed because of the adoption of new or revised criteria, or because of changes occurring in the National Airspace System, such as the commissioning of new navigational facilities, adding new obstacles, or changing air traffic requirements. These changes are designed to provide for the safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.

This action proposes to amend Class D airspace, Class E surface airspace, Class E airspace designated as an extension to a Class D surface area, and Class E airspace area extending upward from 700 feet or more above the surface at Williamsport Regional Airport (formerly Williamsport-Lycoming County Airport), Williamsport, PA. Airspace reconfiguration is necessary due to the decommissioning of Picture Rocks non-directional radio beacon (NDB), and cancellation of the NDB approaches. This action also removes the Notice to Airmen (NOTAM) part-time language from the legal description of the Class E airspace area designated as an extension at this airport. Controlled airspace is necessary for the safety and management of instrument flight rules (IFR) operations at this airport. This action also would recognize the airport's name change and update the geographic coordinates of the airport and Williamsport Hospital, and would replace the outdated term Airport/Facility Directory with the term Chart Supplement in the legal descriptions of associated Class D and E airspace.

This action proposes to amend Class D airspace, Class E airspace designated as a surface area, and Class E airspace extending upward from 700 feet above the surface at Chippewa Valley Regional Airport, Eau Claire, WI. The FAA is proposing this action as a result of an airspace review caused by the decommissioning of the Eau Claire nondirectional radio beacon (NDB)/outer compass locator (LOM). The name and geographic coordinates of the Chippewa Valley Regional Airport and the name of the May Clinic Health System-Eau Claire Heliport would also be updated to coincide with the FAA's aeronautical database.

This action proposes to amend Class D airspace at San Marcos Regional Airport, Austin, TX; establish Class E airspace designated as a surface area at Georgetown Municipal Airport, Georgetown, TX, and San Marcos Regional Airport; and amend Class E airspace extending upward from 700 feet above the surface at San Marco Regional Airport and Lockhart Municipal Airport, Lockhart, TX. The FAA is proposing this action at the request of Austin Air Traffic Control Tower (ATCT)/Terminal Radar Approach Control (TRACON) to establish part-time Class E airspace designated as a surface area at Georgetown Municipal Airport and San Marcos Regional Airport and to review the associated airspace for the safety and management of instrument flight rule (IFR) operations at these airports. The name of San Marcos Regional Airport would be updated to coincide with the FAA's aeronautical database, and the outdated term “Airport/Facility Directory” would be replaced with the term “Chart Supplement”.