Global Regulatory Update, April 9-15, 2023

EASA has issued airworthiness directive 2023-0070 for Airbus A380-841s, -842s and -861s, requiring inspection and repair of fuselage butt strap skin panels, effective April 13, 2023.

EASA has issued airworthiness directive 2023-0073 for Saab 340Bs and SF340As, requiring inspection of DC starter generator, effective April 19, 2023. 

EASA has issued airworthiness directive 2023-0074 for certain Airbus A321s, requiring inspection of center wing box rear lower spar and slanted beam, effective April 19, 2023.

EASA has issued proposed airworthiness directive 23-040 for Airbus A350-941s, requiring inspection of wing inboard flap trunnion, effective 14 days after airworthiness directive is issued.

EASA has issued proposed airworthiness directive 23-041 for Airbus A300-600s, amending time limits and maintenance checks under airworthiness limitation section part 2, damage tolerant airworthiness limitation items, effective 14 days after airworthiness directive is issued. 

EASA has issued proposed airworthiness directive 23-042 for Airbus A310s, amending time limits and maintenance checks under airworthiness limitation section part 2, damage tolerant airworthiness limitation items, effective 14 days after airworthiness directive is issued. 
 

FAA has issued special airworthiness information bulletin 2023-06, advising owners and operators of transport airplanes of the potential for an uncontrolled fire to occur based on the amount, type and placement of flammable cargo in the cargo compartment, such as flammable aerosols, gasses, solids and explosives, and lithium batteries. 

FAA has issued airworthiness directive 2023-07-01 for certain Airbus Canada A220-100s and -300s, prohibiting dispatch of an airplane with an engine having crew alerting system messages being displayed, high vibration or debris found on the magnetic chip collector of a bearing compartment, unless the bearing compartment chip collector and oil filter are inspected and any debris found is dispositioned, effective April 19, 2023. 

FAA has issued airworthiness directive 2023-05-12 for all Boeing 767–2Cs, requiring inspection of each terminal lug on certain electrical power panels for evidence of arcing or loose connection and applicable on-condition actions, effective April 20, 2023.
 

FAA has issued airworthiness directive 2023-05-06 for certain Boeing 737-8s, -9s and -8200s, revising the maintenance or inspection program to incorporate the new airworthiness limitations, effective May 10, 2023. 

FAA has issued airworthiness directive 2023-05-17 for certain GE90-76Bs, -85Bs, -90Bs and -94Bs, requiring initial and repetitive borescope inspections of the forward platforms of the high pressure turbine stage 2 blades or the leading edges of stage 2 nozzles and, depending on the results of the inspections, removal and replacement of the stage 2 nozzles with parts eligible for installation; and, as a mandatory terminating action to the repetitive inspection of the forward platforms of the stage 2 blades or the leading edges of the stage 2 nozzles, replacing the stage 2 nozzles, effective May 10, 2023. 

FAA has issued airworthiness directive 2023-05-05 for certain CFM56-5Bs and -7Bs with a certain high-pressure turbine inner stationary seal installed, requiring removal, inspection and replacement of the certain inner stationary seals and, depending on the findings, replacement of the rotating air front seal, rotor blades and No. 3 ball bearing, effective May 10, 2023.
 

Transport Canada has issued airworthiness directive CF-2023-22 for De Havilland Aircraft of Canada DHC-8-401s and 402s, requiring modifications to the nose landing gear shock strut assembly, plus other actions, effective April 13, 2023.