FAA has issued airworthiness directive 2023-03-12 for certain Pratt & Whitney Canada JT15D-1s, JT15D-1As and JT15D-1Bs, requiring borescope fluorescent penetrant inspection of the rear face of certain impellers for evidence of machining witness lines and, depending on the results of the inspection, replacement of the impeller, effective March 31, 2023.
FAA has issued airworthiness directive 2023-04-12 for all Airbus A350-941s and -1041s, requiring repetitive detailed inspection of longitudinal sealing tape in the forward and aft cargo compartments and, depending on findings, applicable corrective action, effective March 14, 2023.
FAA has issued airworthiness directive 2023-03-09 for certain ATR72s, revising the maintenance or inspection program to incorporate new or more restrictive airworthiness limitations, effective April 3, 2023.
FAA has issued airworthiness directive 2023-03-04 for all Boeing 777s, requiring, depending on airplane configuration, installation of Teflon sleeves, cap sealing of fasteners, detailed inspections and corrective actions; plus revising the maintenance or inspection program to incorporate more restrictive airworthiness limitations, effective April 4, 2023.
FAA has issued airworthiness directive 2023-02-16 for certain BAE Systems Avro 146-RJs, requiring assessing the values between the MagVar tables of certain inertial reference units and the most recently published MagVar data tables, and corrective actions if necessary, effective April 4, 2023.
FAA has issued airworthiness directive 2023-03-07 for certain Airbus A350-941s, requiring removing the nut and the foot radius of a section of a certain frame on the right-hand side and inspecting the area for damage, effective April 3, 2023.