Global Regulatory Update, April 23-29, 2023

EASA has issued proposed airworthiness directive 22-166R2 for certain Airbus A319s, A320s and A321s, requiring replacement of braking and steering control unit and electric and electronic common installation relays and amending replacement/master minimum equipment list, effective 14 days after airworthiness directive is issued. 

EASA has canceled proposed airworthiness directive 23-047-CN for Rolls-Royce RB211 Trent 900s, which would have required replacement of fuel-to-oil heat exchanger. 
 

FAA has issued airworthiness directive 2023-06-12 for all Airbus A350-941s and -1041s, requiring replacing certain bleed duct assemblies and bleed gimbals at the wing-to-pylon interface, prohibiting the installation of certain parts and, for certain airplanes, inspection of the bleed gimbals to determine the part number and replacement if necessary, effective May 18, 2023. 

FAA has issued airworthiness directive 2023-06-08 for certain Airbus A319s, A320s and A321s, requiring repetitive roto-test inspections of the open tack holes and rivet holes at the cargo floor support fittings of the fuselage, including applicable investigative actions and repair if necessary, plus additional work on some aircraft, effective May 18, 2023.

FAA has issued airworthiness directive 2023-06-01 for certain ATR42-500s and ATR72-212As, requiring replacement of certain new avionics suites, effective May 18, 2023.

FAA has issued airworthiness directive 2023-06-07 for all Airbus A330-202s, -203s, -223s,-243s,-200 freighters and -300s, and A340-200s and 300s, requiring replacing certain tee ducts in auxiliary power unit compartments, effective May 18, 2023.

FAA has issued airworthiness directive 2023-06-03 for certain De Havilland Aircraft of Canada DHC-8-401s and -402s, requiring review of technical records and inspections to determine if a discrepant sleeve in main landing gear forward door linkage assembly is installed, replacement of any discrepant sleeve and re-identification of the forward door linkage assembly, effective May 18, 2023.

FAA has issued airworthiness directive 2023-07-09 for certain Boeing 747-400s and -8s, requiring inspecting for wear of the transfer pump housing inlet check valves and transfer pump motor impeller inlet adapters for the horizontal stabilizer fuel tank, and doing corrective actions if necessary, effective May 1, 2023.
 

Transport Canada has issued airworthiness directive CF-2022-13R1 for Airbus Canada A220-100s and -300s, dealing with non-conforming bleed leak detection system sensing elements, effective May 2, 2023.