Federal Aviation Administration October 27, 2023 – 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 adopt a new airworthiness directive (AD) for all De Havilland Aircraft of Canada Limited Model DHC-8-401 and - 402 airplanes. This proposed AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This proposed AD would require revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. The FAA is proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus Canada Limited Partnership Model BD-500-1A10 and BD-500-1A11 airplanes. This proposed AD was prompted by a report of multiple occurrences of low clearance or fouling between certain wiring harnesses and a hydraulic bracket and structure in the wing trailing edge area that were detected on the production line. This proposed AD would require inspecting certain wiring harnesses for any damage and clearance to adjacent structure and corrective actions, as specified in a Transport Canada AD, which is proposed for incorporation by reference (IBR). This proposed AD would also require an inspection report. The FAA is proposing this AD to address the unsafe condition on these products.
Notice of Intent of Waiver With Respect to Land; Indianapolis Regional Airport, Indianapolis, Indiana
The FAA is considering a proposal to change 0.577 acres of airport land from aeronautical use to non-aeronautical use and to authorize the sale of airport property located at Indianapolis Regional Airport, Indianapolis, Indiana. The aforementioned land is not needed for aeronautical use. The land is made up of two parcels and is located along the County Road 600 in Hancock County, just east of Indianapolis Regional Airport, Indianapolis, Indiana. The Sponsor is proposing to release and ultimately sell the land for future public use.
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines
The FAA proposes to supersede airworthiness directive (AD) 2021-13-07, which applies to all GE Aviation Czech s.r.o. (GEAC) (type certificate previously held by WALTER Engine a.s., Walter a.s., and MOTORLET a.s.) Model M601D-11, M601E-11, M601E-11A, M601E-11AS, M601E- 11S, and M601F engines. AD 2021-13-07 requires recalculating the life of critical parts and, depending on the results of the recalculation, replacing these critical parts. AD 2021-13-07 also requires replacing a certain compressor case. Since the FAA issued AD 2021-13-07, the manufacturer published the airworthiness limitations section (ALS) of the existing engine maintenance manual (EMM), which includes the calculations for the life of critical parts addressed by AD 2021-13-07 and prompted this proposed AD. This proposed AD would continue to require the replacement of a certain centrifugal compressor case. This proposed AD would also include an additional part number as an option for the replacement and would limit the applicability of the proposed AD, 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; WACO Classic Aircraft Corporation Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain WACO Classic Aircraft Corporation Model 2T-1A-2 airplanes. This proposed AD was prompted by reports of multiple types of cracks at the leading edge former ribs and trailing edge former ribs in the upper wing center section. This proposed AD would require installing maneuver restriction placards in the front and rear cockpits, inspecting the leading and trailing edge former ribs for cracking, replacing any cracked ribs, modifying the upper wing center section assembly, and removing the maneuver restriction placards after completing the modification. The FAA is proposing this AD to address the unsafe condition on these products.
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