Federal Aviation Administration March 22, 2024 – Federal Register Recent Federal Regulation Documents
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Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes
The FAA proposes to supersede Airworthiness Directive (AD) 2021-25-12 and AD 2022-11-11, which apply to certain De Havilland Aircraft of Canada Limited Model DHC-8-401 and -402 airplanes. AD 2021- 25-12 requires repetitive lubrications of the trailing arm of the nose landing gear (NLG). AD 2021-25-12 also requires revising the existing maintenance or inspection program to include new and revised airworthiness limitations. AD 2022-11-11 requires a modification to the NLG shock strut assembly. Since the FAA issued AD 2021-25-12 and AD 2022-11-11, it has been determined that the pivot pin and tow fitting assembly of the NLG must be replaced. This proposed AD would continue to require the actions specified in AD 2021-25-12 and AD 2022-11-11 and would require replacement of the pivot pin and tow fitting assembly with a new, improved pivot pin and tow fitting assembly and prohibit the installation of affected parts. The FAA is proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus SAS Airplanes
The FAA proposes to supersede Airworthiness Directive (AD) 2022-14-10, which applies to certain Airbus SAS Model A318 series airplanes; Model A319-111, -112, -113, -114, -115, -131, -132, and -133 airplanes; Model A320-211, -212, -214, -216, -231, -232, and -233 airplanes; and Model A321-111, -112, -131, -211, -212, -213, -231, and -232 airplanes. AD 2022-14-10 requires repetitive inspections for cracking of the radius of the front spar vertical stringers and the horizontal floor beam on a certain frame (FR), repetitive inspections for cracking of the fastener holes of the front spar vertical stringers on that frame, and repair if necessary. AD 2022-14-10 provides, for certain airplanes, a modification of the center wing box area that terminates the repetitive inspections under certain conditions. Since the FAA issued AD 2022-14-10, an additional airplane model has been identified that is also subject to the unsafe condition. This proposed AD would continue to require the actions in AD 2022-14-10 and would add Model A321-271N airplanes to the applicability, as specified in a 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; The Boeing Company Airplanes
The FAA is withdrawing a notice of proposed rulemaking (NPRM) that proposed to adopt a new airworthiness directive (AD) that would have applied to certain The Boeing Company Model 787-8, 787-9, and 787- 10 airplanes. The NPRM was prompted by a report indicating that during regular pre-flight checks, multiple door assist handles failed by pulling loose from their lower attachment point in the doorway support bracket. The NPRM would have required, depending on airplane configuration, inspecting the forward and aft door assist handles for correct installation, installing a new retainer above the lower keyway of the support bracket assembly at certain locations, installing a placard on certain support bracket assemblies, re-identifying the support bracket assembly, and replacing the upper spring clip. Since issuance of the NPRM, the FAA has determined that the intended corrective actions do not address the unsafe condition. Accordingly, the NPRM is withdrawn.
Agency Information Collection Activities: Requests for Comments; Clearance of a Renewed Approval of Information Collection: Means of Compliance, Declarations of Compliance, and Labeling Requirements for Unmanned Aircraft With Remote Identification
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 Federal Register Notice with a 60-day comment period soliciting comments on the following collection of information was published on November 21, 2023. The collection involves information necessary to submit a Means of Compliance or Declaration of Compliance for Unmanned Aircraft with Remote Identification to the FAA. The collection also involves information necessary to label Unmanned Aircraft that have an FAA-accepted Declaration of Compliance. The information to be collected will be used by the FAA to determine compliance with the requirements for submission of a Means of Compliance or Declaration of Compliance, as well as determine compliance with the Unmanned Aircraft labeling requirements.
Airworthiness Directives; Textron Aviation Inc. (Type Certificate Previously Held by Cessna Aircraft Company) Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for Textron Aviation Inc. (Textron) (type certificate previously held by Cessna Aircraft Company) Model 525, 525A, and 525B airplanes with Tamarack active technology load alleviation system (ATLAS) winglets installed per Supplemental Type Certificate (STC) No. SA03842NY. This proposed AD was prompted by a report of an un-annunciated failure of the ATLAS system. This proposed AD would require installing placards on the left-hand inboard edge of the Tamarack active camber surface (TACS) and revising the existing airplane flight manual (AFM) for your airplane. The FAA is proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; CFM International, S.A. Engines
The FAA is adopting a new airworthiness directive (AD) for certain CFM International, S.A. (CFM) Model CFM56-2, CFM56-3, CFM56-5, CFM56-5B, CFM56-5C, and CFM56-7B engines. This AD was prompted by a report of electrical arcing on certain life-limited critical parts. This AD requires replacing certain compressor discharge pressure (CDP) seals, high-pressure compressor (HPC) stage 3 disks, and high-pressure turbine (HPT) rear shafts. This AD also prohibits installation of certain CDP seals, HPC stage 3 disks, and HPT rear shafts on any engine, and prohibits installation of any engine with certain CDP seals, HPC stage 3 disks, and HPT rear shafts installed on any airplane. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus SAS Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus SAS Model A300 B4-601, B4-603, B4-620, B4-622, B4-605R, B4-622R, C4-605R Variant F, F4-605R, and F4-622R airplanes, Model A310 series airplanes, Model A318, A319, A320, and A321-series airplanes, Model A330-200, -200 Freighter, and -300 series airplanes, Model A330- 841 and -941 airplanes, and Model A340-211, -212, -213, -311, -312, - 313, -541, and -642 airplanes. This proposed AD was prompted by reported occurrences of chemical oxygen generators failing to activate in service and during maintenance activities. This proposed AD would require replacing affected oxygen generators, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference (IBR). This proposed AD would also prohibit the installation of affected parts. The FAA is proposing this AD to address the unsafe condition on these products.
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