Federal Aviation Administration September 2018 – Federal Register Recent Federal Regulation Documents
Results 51 - 100 of 151
Notice of Release From Federal Surplus Property and Grant Assurance Obligations at Francis S. Gabreski Airport (FOK), Westhampton Beach, NY
The FAA proposes to rule and invites public comment on the application for a release of approximately 25.8 acres of federally obligated airport property at Francis S. Gabreski Airport, Westhampton Beach, NY, from the National Emergency Use Provision contained in the Quitclaim Deed, dated July 17, 1972, and from conditions, reservations, and restrictions contained in Airport Improvement Program grants that would restrict the use of said land to aeronautical purposes, This acreage is a portion of land that was transferred from the United States of America to the county of Suffolk under the provisions of the Federal Property and Administrative Services Act of 1949 and the Surplus Property Act of 1944. The release will allow the airport to generate revenue through a land lease for a solar farm. The proposed use of land after the release will be compatible with the airport and will not interfere with the airport or its operation.
Aviation Rulemaking Advisory Committee (ARAC); Renewal
The FAA announces the charter renewal of the Aviation Rulemaking Advisory Committee (ARAC), a Federal Advisory Committee that works with industry and the public to improve the development of the FAA's regulations.
Petition for Exemption; Summary of Petition Received; ExpressJet Airlines, Inc.
This notice contains a summary of a petition seeking relief from specified requirements of Federal Aviation Regulations. The purpose of this notice is to improve the public's awareness of, and participation in, the FAA's exemption process. Neither publication of this notice nor the inclusion or omission of information in the summary is intended to affect the legal status of the petition or its final disposition.
Agency Information Collection Activities: Request for Comments; Clearance of Renewed Approval of Information Collection: Training and Qualification Requirements for Check Airmen and Flight Instructors
In accordance with the Paperwork Reduction Act of 1995, FAA invites public comments about our intention to request the Office of Management and Budget (OMB) approval to renew an information collection. The information collected is used to allow some experienced pilots who would otherwise qualify as flight instructors or check airmen, but who are not medically eligible to hold the requisite medical certificate, to perform flight instructor or check airmen functions.
Agency Information Collection Activities: Requests for Comments; Clearance of Renewed Approval of Information Collection: Commercial Air Tour Operator Reports
In accordance with the Paperwork Reduction Act of 1995, FAA invites public comments about our intention to request the Office of Management and Budget (OMB) approval to renew an information collection. The commercial air tour operational data provided to the FAA and the National Park Service will be used by the agencies as background information useful in the development of air tour management plans and voluntary agreements for purposes of meeting the mandate of the National Parks Air Tour Management Act (NPATMA) of 2000.
Agency Information Collection Activities: Requests for Comments; Clearance of Renewed Approval of Information Collection: Report of Inspections Required by Airworthiness Directives
In accordance with the Paperwork Reduction Act of 1995, FAA invites public comments about our intention to request the Office of Management and Budget (OMB) approval to renew an information collection. Airworthiness Directives are regulations issued to require corrective action to resolve an unsafe condition in aircraft, engines, propellers, and appliances. Reports of inspections are often needed when emergency corrective action is taken to determine if the action was adequate to correct the unsafe condition. The respondents are aircraft owners and operators.
Agency Information Collection Activities: Requests for Comments; Clearance of Renewed Approval of Information Collection: Operating Requirements: Domestic, Flag, and Supplemental Operations-Part 121
In accordance with the Paperwork Reduction Act of 1995, FAA invites public comments about our intention to request the Office of Management and Budget (OMB) approval to renew an information collection. Regulations prescribe the requirements governing air carrier operations. The information collected is used to determine air operators' compliance with the minimum safety standards and the applicants' eligibility for air operations certification.
Agency Information Collection Activities: Requests for Comments; Clearance of Renewed Approval of Information Collection: Fractional Aircraft Ownership Programs
In accordance with the Paperwork Reduction Act of 1995, FAA invites public comments about our intention to request the Office of Management and Budget (OMB) approval for to renew an information collection. The Federal Register Notice with a 60-day comment period soliciting comments on the following collection of information was published on July 23, 2018. Each fractional ownership program manager and each fractional owner must comply with regulations. Information is used to determine if these entities are operating in accordance with the minimum safety standards of these regulations. The FAA will use the information it reviews and collects to evaluate the effectiveness of the program and make improvements as needed, and ensure compliance and adherence to regulations.
Agency Information Collection Activities: Requests for Comments; Clearance of Renewed Approval of Information Collection: Flight Engineers and Flight Navigators
In accordance with the Paperwork Reduction Act of 1995, FAA invites public comments about our intention to request the Office of Management and Budget (OMB) approval to renew an information collection. This collection involves FAA Form 8400.3, Application for an Airman Certificate and/or Rating, (for flight engineer and flight navigator) and applications for approval of related training courses that are submitted to FAA for evaluation. The information collection is necessary to determine applicant eligibility for flight engineer or flight navigator certificates. This collection is also necessary to determine training course acceptability for those schools training flight engineers or navigators.
Airworthiness Directives; Saab AB, Saab Aeronautics (Formerly Known as Saab AB, Saab Aerosystems) Airplanes
We propose to supersede Airworthiness Directive (AD) 2018-11- 07, which applies to all Saab AB, Saab Aeronautics Model SAAB 2000 airplanes. AD 2018-11-07 requires a one-time inspection of an affected lug attaching the aileron bellcrank support bracket to the rear spar of the wing and the adjacent area of the installed support brackets, a thickness measurement of the affected lug, repetitive inspections of the affected aileron bellcrank support brackets, and corrective actions if necessary. AD 2018-11-07 also provided an optional terminating action for the repetitive inspections. Since we issued AD 2018-11-07, we have determined that it is necessary to require the terminating action. This proposed AD would retain the actions of AD 2018-11-07 and require the terminating action for the repetitive inspections. We are proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Bombardier, Inc., Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-500-1A10 and BD-500-1A11 airplanes. This proposed AD was prompted by reports of dislodged cargo compartment blow-out panels. This proposed AD would require repetitive inspections for any dislodged blow-out panel in the forward and aft cargo compartments, reporting of the inspection findings, and re-installation if necessary. We are proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes
We are revising an earlier proposal for all ATR-GIE Avions de Transport R[eacute]gional Model ATR42 and Model ATR72 airplanes. This action revises the notice of proposed rulemaking (NPRM) by increasing the number of affected parts that must be inspected. We are proposing this airworthiness directive (AD) to address the unsafe condition on these products. Since these actions would impose an additional burden over those in the NPRM, we are reopening the comment period to allow the public the chance to comment on these changes.
Operating Limitations at New York Laguardia Airport
This action extends the Order Limiting Operations at New York LaGuardia Airport (LGA) published on December 27, 2006, as most recently extended May 25, 2016. The Order remains effective until October 24, 2020.
Amendment of the Prohibition Against Certain Flights in the Pyongyang Flight Information Region (FIR) (ZKKP)
This action amends the prohibition against certain flight operations in the Pyongyang Flight Information Region (FIR) (ZKKP) by all: U.S. air carriers; U.S. commercial operators; persons exercising the privileges of an airman certificate issued by the FAA, except when such persons are operating U.S.-registered aircraft for a foreign air carrier; and operators of U.S.-registered civil aircraft, except where the operator of such aircraft is a foreign air carrier. The FAA is also providing an approval process and exemption information for this Special Federal Aviation Regulations (SFAR), consistent with the approval process and exemption information for more recently published flight prohibition SFARs. This final rule will remain in effect for 2 years.
Airworthiness Directives; Bombardier, Inc., Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes. This proposed AD was prompted by reports of drainage holes on the belly fairing forward and middle access panels being obstructed with sealant. This proposed AD would require inspecting for and removing all sealant blocking the drainage holes on the belly fairing forward and middle access panels. We are proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Weatherly Aircraft Company
We propose to adopt a new airworthiness directive (AD) for all Weatherly Aircraft Company (Weatherly) Models 201, 201A, 201B, 201C, 620, 620A, 620B, 620B-TG, and 620TP airplanes. This proposed AD was prompted by reports of fatigue cracking of the center wing and outer wing spar hinge brackets due to corrosion pitting. This proposed AD would require repetitive inspections of the wing hinge brackets, pins, and wing spar structure with repair or replacement of parts as necessary. We are proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus SAS Airplanes
We are adopting a new airworthiness directive (AD) for all Airbus SAS Model A300 and A310 series airplanes; and Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes). This AD was prompted by a determination that new or more restrictive maintenance requirements and airworthiness limitations are necessary. This AD requires revising the maintenance or inspection program, as applicable, to incorporate new or more restrictive maintenance requirements and airworthiness limitations. We are issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus SAS Airplanes
We are adopting a new airworthiness directive (AD) for all Airbus SAS Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes); and Model A310 series airplanes. This AD was prompted by a determination that more restrictive maintenance requirements and airworthiness limitations are necessary. This AD requires revising the maintenance or inspection program, as applicable, to incorporate new or more restrictive maintenance requirements and airworthiness limitations. We are issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus SAS Airplanes
We are adopting a new airworthiness directive (AD) for all Airbus SAS Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes), and Model A310 series airplanes. This AD was prompted by a determination that new or more restrictive maintenance requirements and airworthiness limitations are necessary. This AD requires revising the maintenance or inspection program, as applicable, to incorporate new or more restrictive maintenance requirements and airworthiness limitations. We are issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus SAS Airplanes
We are adopting a new airworthiness directive (AD) for all Airbus SAS Model A300 series airplanes. This AD was prompted by a revision of an airworthiness limitation items (ALI) document. This AD requires revising the maintenance or inspection program, as applicable, to incorporate the specified maintenance requirements and airworthiness limitations. We are issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Learjet, Inc. Airplanes
We are adopting a new airworthiness directive (AD) for certain Learjet, Inc. Models 28, 29, 31, 31A, 35, 35A, 36, 36A, 55, 55B, 55C, and 60 airplanes. This AD was prompted by fatigue cracks initiating in the flap support structure due to repetitive flap loads, which has caused flap nose roller support bracket failure. This AD requires replacement of the flap nose roller fitting, nose roller support bracket, and adjacent rib support structure with improved components. We are issuing this AD to address the unsafe condition on these products.
Agency Information Collection Activities: Requests for Comments; Clearance of Renewed Approval of Information Collection: Safety Management Systems for Domestic, Flag, and Supplemental Operations Certificate Holders
In accordance with the Paperwork Reduction Act of 1995, the Federal Aviation Administration (FAA) invites public comments about our intention to request Office of Management and Budget (OMB) approval to renew an information collection. The collection involves information on a Domestic, Flag, and Supplemental Operations certificate holder's Safety Management System (SMS). The certificate holder collects information to determine and identify hazards in an aviation operation, measure the effectiveness of hazard identification and mitigation and the prevention unforeseen hazards, and the maintenance of training records and communications documentation used to promote safety. This collection by Domestic, Flag, and Supplemental Operations certificate holders is for compliance with FAA SMS requirements. The Federal Register Notice with a 60-Day comment period soliciting comments on the renewal of this previously approved information collection was published on June 20, 2018 (83 FR 28758). No comments were received.
Notice of Availability of the Final Environmental Assessment (EA) and Finding of No Significant Impact/Record of Decision (FONSI/ROD) for the Runway 14/32 Relocation/Extension and Associated Improvements Project for the Lake Elmo Airport (21D) in Lake Elmo, MN
The FAA is issuing this notice to advise the public that the FAA has prepared and approved (August 31, 2018) a FONSI/ROD based on the Final EA for a Runway 14/32 Relocation/Extension and Associated Improvements Project at the Lake Elmo Airport. The Final EA was prepared in accordance with the National Environmental Policy Act (NEPA) of 1969, as amended, FAA Orders 1050.1F, ``Environmental Impacts: Policies and Procedures'' and 5050.4B, ``NEPA Implementing Instructions for Airport Actions''.
Airworthiness Directives; Honeywell International Inc. Turboprop and Turboshaft Engines
We are superseding Airworthiness Directive (AD) 2018-02-14 for certain Honeywell International Inc. (Honeywell) TPE331 turboprop and TSE331 turboshaft engines. AD 2018-02-14 required inspection of the affected combustion chamber case assembly, replacement of those assemblies found cracked, and removal of affected assemblies on certain TPE331 and TSE331 engines. This AD retains the inspection and replacement requirements in AD 2018-02-04; revises the Applicability to add the TPE331-12 engine model and the related inspection action, correct references to certain engine models; and revises compliance to allow certain weld repair procedures. This AD was prompted by comments to revise the applicability and required actions of AD 2018-02-14 to include the TPE331-12B engine model, correct certain TPE engine model typographical errors, and to allow certain weld repair procedures. We are issuing this AD to address the unsafe condition on these products.
Operating Limitations at John F. Kennedy International Airport
This action extends the Order Limiting Operations at John F. Kennedy International Airport (JFK) published on January 18, 2008, and most recently amended on June 21, 2016. The Order remains effective until October 24, 2020.
Amendment of Class E Airspace; Lyons, KS
This action corrects a final rule published in the Federal Register of August 1, 2018, that amends Class E airspace at Lyons-Rice County Municipal Airport, Lyons, KS. The word ``County'' was inadvertently omitted from the airport name in the Summary, History, and Rules section of the document, as well as in the header of the legal description.
Airworthiness Directives; Airbus SAS Airplanes
We propose to supersede Airworthiness Directive (AD) 2014-20- 04, which applies to all Airbus SAS Model A318 series airplanes; Airbus SAS Model A319 series airplanes; Airbus SAS Model A320-111, -211, -212, -214, -231, -232, and -233 airplanes; and Airbus SAS Model A321-111, - 112, -131, -211, -212, -213, -231, and -232 airplanes. AD 2014-20-04 requires repetitive inspections for cracking of the four titanium angles between the belly fairing and the keel beam side panel, an inspection for cracking of the open holes if any cracking is found in the titanium angles, and repair or replacement if necessary. Since we issued AD 2014-20-04, we have determined that additional work is necessary for certain airplanes. This proposed AD would continue to require repetitive inspections for cracking of the four titanium angles between the belly fairing and the keel beam side panel, an inspection for cracking of the open holes if any cracking is found in the titanium angles, and repair or replacement if necessary. This proposed AD would also revise the applicability by adding Model A320-216 airplanes. This proposed AD would also require a detailed inspection for and replacement of certain rivets (including a rotating probe test for cracks in the open holes), and corrective actions if necessary. We are proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; GA 8 Airvan (Pty) Ltd Airplanes
We propose to adopt a new airworthiness directive (AD) for GA 8 Airvan (Pty) Ltd Models GA8 and GA8-TC320 airplanes. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as certain wing strut fittings manufactured with incorrect grain orientation, which has an unknown effect on fatigue related concerns. We are issuing this proposed AD to require actions to address the unsafe condition on these products.
Airworthiness Directives; Pratt & Whitney Canada Corp. Turboshaft Engines
We propose to supersede airworthiness directive (AD) 2015-20- 04, which applies to certain Pratt & Whitney Canada Corp. (P&WC) PT6B- 37A turboshaft engines. AD 2015-20-04 requires initial and repetitive inspections until replacement of the No. 10 bearing, and eventual replacement of the No. 9 bearing, both located in the engine reduction gearbox (RGB) assembly. Since we issued AD 2015-20-04, P&WC has determined that the repetitive inspection of the bearings has an associated risk of gearbox damage or contamination and that the bearing installation required by AD 2015-20-04 does not adequately address the issue of bearing axial movement. This proposed AD would require removal from service and replacement of the No. 9 and No. 10 position bearings. We are proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Bombardier, Inc., Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-100-1A10 airplanes. This proposed AD was prompted by an incident of uncommanded nose wheel steering (NWS) in- service; subsequent investigation revealed that the steering selector valve (SSV) is susceptible to jamming in the open position due to particulate contamination of the hydraulic system. This proposed AD would require modifying the left-hand hydraulic system of the NWS control system and, for certain airplanes, torqueing the fittings on a certain tube assembly. We are proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; The Boeing Company Airplanes
We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This proposed AD was prompted by a report of cracks in the body station (STA) 303.9 frame web and doubler at fastener holes common to the stop fitting at stringer 16 left (S-16L). This proposed AD would require repetitive surface high frequency eddy current (HFEC) inspections for cracking of the STA 303.9 frame web and doubler at the stop fitting at S-16L, and applicable on-condition actions. We are proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus Defense and Space S.A. (Formerly Known as Construcciones Aeronauticas, S.A. (CASA)) Airplanes
We are adopting a new airworthiness directive (AD) for certain Airbus Defense and Space S.A. Model C-212-CB, C-212-CC, C-212-CD, C- 212-CE, and C-212-DF airplanes. This AD was prompted by reports of failures of the rudder pedal control system support. This AD requires repetitive detailed visual inspections of the rudder pedal control system support box and shaft and applicable corrective actions. We are issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Fokker Services B.V. Airplanes
We are adopting a new airworthiness directive (AD) for certain Fokker Services B.V. Model F28 Mark 0070 and 0100 airplanes. This AD was prompted by a report of cracks, in various directions, in the lower portion of a main landing gear (MLG) piston. This AD requires a detailed visual inspection of the MLG, and replacement if necessary. We are issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Model AS-365N2, AS 365 N3, EC 155B, EC155B1, SA-365N1, and SA-366G1 helicopters. This AD requires repetitive inspections of the aft fuselage outer skin. This AD was prompted by several reports of aft fuselage outer skin disbonding. The actions of this AD are intended to address an unsafe condition on these products.
Amendment of Class D Airspace and Class E Airspace, and Revocation of Class E Airspace: New Smyrna Beach, FL
This action corrects a final rule published in the Federal Register on August 23, 2018, amending Class D airspace and Class E airspace extending upward from 700 feet or more above the surface at New Smyrna Beach Municipal Airport, New Smyrna Beach, FL. The longitude coordinate symbols for Massey Ranch Airpark listed in Class E airspace areas extending upward from 700 feet were typed as degrees, minutes, minutes instead of degrees, minutes, and seconds. Also, a parenthesis was excluded from the airport's geographic coordinates.
Agency Information Collection Activities: Requests for Comments; Clearance of Reinstate Approval of Information Collection: Aviation Insurance
In accordance with the Paperwork Reduction Act of 1995, FAA invites public comments about our intention to request the Office of Management and Budget (OMB) approval to reinstate an information collection. The collection involves obtaining basic information from new aviation insurance applicants about eligible aviation insurance applicants needed to establish a legally binding, non-premium insurance policy with the FAA, as requested by another Federal agency, such as the applicants name and address, and the aircraft to be covered by the policy. The information collected will be used to determine whether applicants are eligible for Chapter 443 insurance and the amount of coverage necessary; populate non-premium insurance policies with the legal name and address; and meet conditions of coverage required by each insurance policy. As a condition of coverage, air carriers will be required to submit any changes to the basic information initially submitted on the application, as necessary. Air carrier's will also be responsible for providing a copy of their current commercial insurance policy on an ongoing basis, and aircraft registration and serial numbers for any new aircraft the air carrier would like to add to the policy. This information will form part of a legally binding agreement (i.e., insurance policy) between the FAA and air carrier. Failure to provide this updated information could result in lack or denial of coverage.
Petition for Exemption; Summary of Petition Received; Russell Timmerman
This notice contains a summary of a petition seeking relief from specified requirements of Title 14 of the Code of Federal Regulations. The purpose of this notice is to improve the public's awareness of, and participation in, the FAA's exemption process. Neither publication of this notice nor the inclusion or omission of information in the summary is intended to affect the legal status of the petition or its final disposition.
Petition for Exemption; Summary of Petition Received; Silver Wings Drone Services, LLC
This notice contains a summary of a petition seeking relief from specified requirements of Title 14 of the Code of Federal Regulations. The purpose of this notice is to improve the public's awareness of, and participation in, the FAA's exemption process. Neither publication of this notice nor the inclusion or omission of information in the summary is intended to affect the legal status of the petition or its final disposition.
Petition for Exemption; Summary of Petition Received; Powers Flight Group
This notice contains a summary of a petition seeking relief from specified requirements of Title 14 of the Code of Federal Regulations. The purpose of this notice is to improve the public's awareness of, and participation in, the FAA's exemption process. Neither publication of this notice nor the inclusion or omission of information in the summary is intended to affect the legal status of the petition or its final disposition.
Airworthiness Directives; The Boeing Company Airplanes
We are revising an earlier proposal for certain The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This action revises the notice of proposed rulemaking (NPRM) by adding airplanes to the applicability and adding a measurement of the distance between the hooks of the torsion spring of the lanyard assembly. We are proposing this airworthiness directive (AD) to address the unsafe condition on these products. Since these actions would impose an additional burden over those in the NPRM, we are reopening the comment period to allow the public the chance to comment on these changes.
Airworthiness Directives; Honeywell International Inc. Turbofan Engines
We propose to supersede Airworthiness Directive (AD) 2017-20- 01, which applies to certain Honeywell International Inc. (Honeywell) TFE731-20 and TFE731-40 turbofan engines. AD 2017-20-01 requires removing the affected fan disk and replacing it with a fan disk eligible for installation. Since we issued AD 2017-20-01, we determined that some turbofan engine models were omitted from the applicability of AD 2017-20-01. This proposed AD would add these turbofan engine models to the applicability, remove the Honeywell TFE731-20 turbofan engine from the applicability, and prohibit installation of affected fan disks. We are proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Zodiac Seats France, Cabin Attendant Seats
We propose to adopt a new airworthiness directive (AD) for all Zodiac Seats France 536-Series Cabin Attendant Seats. This proposed AD was prompted by potential risk of premature corrosion on the seat structure and clamps. This proposed AD would require inspection and modification of all Zodiac Seats France 536-Series Cabin Attendant Seats. We are proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus SAS Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Airbus SAS Model A350-941 airplanes. This proposed AD was prompted by a determination that certain holes for the vertical tail plane (VTP) tension bolts connection are not properly protected against corrosion. This proposed AD would require modifying the VTP tension bolts connection by adding sealant and protective treatment to the head of the connection, at the barrel nut cavities, and in the surrounding area. We are proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Bombardier, Inc., Airplanes
We propose to supersede Airworthiness Directive (AD) 2010-14- 05, which applies to certain Bombardier, Inc., Model CL-600-1A11 (600), CL-600-2A12 (601), and CL-600-2B16 (601-3A, 601-3R, and 604 Variants) airplanes. AD 2010-14-05 requires inspection for the part numbers of the system and brake accumulators, and repetitive replacement of affected accumulators. Since we issued AD 2010-14-05, we have determined that new or more restrictive airworthiness limitations, as well as additional actions, are necessary to address the unsafe condition. In addition to the requirements of AD 2010-14-05, this proposed AD would require relocating the accumulators and revising the maintenance or inspection program to incorporate new or more restrictive airworthiness limitations. This proposed AD would also add optional terminating action for certain airplanes. We are proposing this AD to address the unsafe condition on these products.
Revocation of Class E Airspace; Crows Landing, CA
This action removes Class E airspace extending upward from 1,200 feet above the surface at Crows Landing Airport, Crows Landing, CA. This airspace is wholly contained within the Sacramento en route airspace area and duplication is not necessary.
Airworthiness Directives; Airbus SAS Airplanes
We are adopting a new airworthiness directive (AD) for certain Airbus SAS Model A350-941 airplanes. This AD was prompted by the discovery of inadequate corrosion protection in certain areas of the horizontal stabilizer and the rear fuselage cone structure. This AD requires 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 issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Saab AB, Saab Aeronautics (Formerly Known as Saab AB, Saab Aerosystems) Airplanes
We are superseding Airworthiness Directive (AD) 2016-13-06, which applied to certain Saab AB, Saab Aeronautics Model 340A (SAAB/ SF340A) and SAAB 340B airplanes. AD 2016-13-06 required a revision of the applicable airplane flight manual (AFM), repetitive inspections of the horizontal stabilizer de-icing boots, and applicable corrective actions. This AD continues to require a revision of the applicable AFM, repetitive inspections of the horizontal stabilizer de-icing boots, and applicable corrective actions. This AD also requires replacement of single stitched de-icing boots with improved double stitched boots, and re-identification of the modified horizontal stabilizer leading edge. This AD was prompted by reports of ruptured horizontal stabilizer de- icing boots. We are issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus SAS Airplanes
We are adopting a new airworthiness directive (AD) for all Airbus SAS Model A350-941 and -1041 airplanes. This AD was prompted by reports of uncommanded motion of the flight control actuator. This AD requires replacing certain rudder and elevator servocontrols with serviceable servocontrols. We are issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH)
We propose to supersede Airworthiness Directive (AD) 97-26-03 for Eurocopter Deutschland GmbH Model MBB-BK 117 A-1, MBB-BK 117 A-3, MBB-BK 117 A-4, MBB-BK 117 B-1, MBB-BK 117 B-2, and MBB-BK 117 C-1 helicopters. AD 97-26-03 requires visual inspections for cracks in the ribbed area of the main rotor (M/R) mast flange (flange). Since we issued AD 97-26-03, we have determined that a certain reinforced M/R mast is not affected by the unsafe condition. This proposed AD would retain the requirements of AD 97-26-03 and would remove a certain M/R mast from the applicability. The actions of this proposed AD are intended to address an unsafe condition on these products.
Airworthiness Directives; Leonardo S.p.A. Helicopters
We propose to adopt a new airworthiness directive (AD) for certain Leonardo S.p.A. (Leonardo) Model AW169 helicopters. This proposed AD would require replacing the seals, filler wedges, and handles of each emergency exit window. This proposed AD is prompted by a report that a high level of pushing force was required to jettison some windows. The actions of this proposed AD are intended to address an unsafe condition on these products.
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