Brazil’s Agência Nacional De Aviação Civil has issued airworthiness directive BR-2021-08-01 for Yabora Industria Aeronautica ERJ 190s, revising time limits and maintenance checks under airworthiness limitation section maintenance program and requiring re-identification of main landing gear assembly, effective Aug. 31, 2021.

The Civil Aviation Safety Authority of Australia has issued airworthiness bulletin 25-031 Issue 8–3, regarding required and suggested defect reporting for night vision imaging systems, encouraging reporting of defects or issues that could affect safety, especially where there has been a dual image intensifier tube failure.

India’s Directorate General of Civil Aviation has formally allowed the Boeing 737 MAX aircraft to operate in Indian Airspace after original grounding in March 2019.

EASA has issued safety information bulletin 2017-10R1 on en-route wake turbulence encounters.

FAA has issued airworthiness directive 2021-18-08 for certain Airbus A319-171Ns, A320-271Ns, -272Ns, -273N A321-271Ns, -272Ns, -271NXs and -272NXs, requiring repetitive inspections of the pylon-engine interface rods for damage and applicable corrective actions and limiting installation of affected parts under certain conditions, effective Sept. 14, 2021.

FAA has issued airworthiness directive 2021-17-02 for all ATR42-200s, -300s and -320s, requiring a one-time inspection for discrepancies of the wire bundles between the left- and right-hand angle of attack probes and the crew alerting computer, and, depending on findings, applicable corrective actions; plus, for certain airplanes, modifying the captain stick shaker wiring; and, for all airplanes, revising the existing aircraft flight manual and applicable corresponding operational procedures to incorporate procedures for the stick pusher-shaker, effective Oct. 5, 2021.

FAA has issued airworthiness directive 2021-17-06 for all Boeing 747-100s, -100Bs, -100B SUDs, -200Bs, -200Cs, -200Fs, -300s, -400s, -400Ds, -400Fs, 747SRs and 747SPs, requiring repetitive detailed and surface high frequency eddy current inspections of the front spar shear tie and intercostal lug fitting at certain locations for any cracking, and applicable on-condition actions, effective Oct. 5, 2021.

FAA has issued airworthiness directive 2017-17-03 for certain Airbus A320-212s, -214s, -232s and -233s, requiring repetitive low frequency eddy current inspections or repetitive high frequency eddy current inspections of the pocket radius at certain areas of the fuselage frame and repair if necessary; plus, repetitive inspections at the left- and right-hand sides of the fuselage skin at certain frames for any cracking and repair if necessary, effective Oct. 5, 2021.

FAA has issued airworthiness directive 2021-17-04 for certain Airbus A321-211s, -231s and -232s, requiring a one-time inspection of the area around the latch hook mounting holes of the forward and aft door frames to detect damage from false drill starts, and repair if necessary, effective Oct. 5, 2021.