Global Regulatory Update, April 25-May 1, 2021

EASA has issued airworthiness directive 2021-0053R1 for Airbus A350-1041s and -941s, requiring inspection of slat transmission shaft slat power control unit torque sensing units, effective April 26, 2021.

EASA has issued airworthiness directive 2021-0108 for Airbus A320 family, amending time limits and maintenance checks under airworthiness limitations section certification maintenance requirement, effective May 4, 2021.

EASA has issued airworthiness directive 2021-0110 for Pilatus PC-12/45s, /47s, /47Es, requiring inspection and replacement of nose landing gear fork assembly, effective May 5, 2021.

EASA has issued airworthiness directive 2021-0111 for Airbus A320 family, requiring inspection of windshields, effective May 6, 2021.

EASA has issued airworthiness directive 2021-0112 for Airbus A350-1041s and -941s, requiring inspection of main landing gear support structure fuse pins, effective April 29, 2021.

EASA has issued airworthiness directive 2021-0114 for certain Rolls-Royce Deutschland RB211 Trent 800s, requiring inspection of low pressure compressor case, effective May 7, 2021.

FAA has issued airworthiness directive 2021-07-17 for all Boeing 737-900ERs, requiring repetitive records checks to determine exposure to certain deicing fluids in main landing gear wheel well or repetitive inspections for corrosion of the electrical connectors, and corrective actions if necessary, effective May 25, 2021.

FAA has issued airworthiness directive 2021-08-03 for all MHI RJ Aviation CRJ 700s, 701s, 702s, 550s, 705s, 900s and 1000s, revising the existing maintenance or inspection program to incorporate a new or more restrictive airworthiness limitation, effective May 25, 2021.

FAA has issued airworthiness directive 2021-08-04 for certain Boeing 737-700s, -700Cs, -800s and -900ERs, 747-400Fs, 767-200s and -300s, requiring a general visual inspection for affected serial numbers of the crew oxygen mask stowage box units, and replacement or re-identification as necessary, effective May 26, 2021.

FAA has issued airworthiness directive 2021-08-08 for all Airbus A350-941s and -1041s, requiring repairing welding quality issues identified in the gimbal joint of the air bleed duct located at each wing-to-pylon interface, effective May 25, 2021.

FAA has issued airworthiness directive 2021-08-10 for all Boeing DC-10-10s, -10-10Fs, -10-15s, -10-30s, -10-30Fs, -10-40s, -10-40Fs, MD-10-10Fs and -10-30Fs, requiring a general visual inspection of the left and right wing pylon at the aft bulkhead bracket for any lockbolt and collar, repetitive surface and open hole eddy current high frequency inspections of the left and right wing pylon at the aft bulkhead bracket for any cracking and applicable on-condition actions, effective May 25, 2021.

FAA has issued airworthiness directive 2021-08-19 for certain Boeing 787-8s, -9s and -10s, requiring repetitive general visual inspections for disengaged or damaged decompression panels of the bilge barriers located in the forward and aft cargo compartments, reinstallation of disengaged but undamaged panels, and replacement of damaged panels, effective May 5, 2021.

FAA has issued airworthiness directive 2021-09-03 for Airbus Canada Limited Partnership CS 100s and 300s, requiring repetitive replacements of the electronic locator transmitter antenna and repetitive inspections for damage of the exterior fuselage skin around the antenna attachment area, effective May 4, 2021.

Transport Canada has issued safety information bulletin CASA-2021-06 for De Havilland Aircraft of Canada DHC-8-401s and DHC-8-402s, to raise awareness of electrical connector and back-shell corrosion and provide information and recommendations to operators and maintainers.

Transport Canada has issued airworthiness directive CF-2020-45R1 for Viking Air DHC-6s, requiring inspecting rudder pedal torque tube quadrant assembly riveted connection and other actions, effective April 30, 2020.