Global Regulatory Update, April 30-May 6, 2023

EASA has issued airworthiness directive 2023-0078R1 for ATR42s and 72s, requiring tests and modification of direct current emergency electrical network and amending master minimum equipment list, effective April 26, 2023.

EASA has issued airworthiness directive 2023-0084 for Fokker F27 Mark 050s, requiring inspection of fuselage skin lap joints, effective May 9, 2023.

EASA has issued proposed airworthiness directive 23-052 for Rolls-Royce Deutschland Trent 1000s, requiring replacement of engine fuel and control hydro-mechanical units, effective 14 days after airworthiness directive is issued.
 

FAA has issued airworthiness directive 2023-07-12 for all Airbus A300s, revising the maintenance or inspection program to incorporate new or more restrictive airworthiness limitations, effective May 30, 2023.

FAA has issued airworthiness directive 2023-06-15 for certain Boeing 737-600s, -700s, -700Cs, -800s, -900s and -900ERs, requiring inspecting for existing repairs at a certain station frame inner chord and web, inspecting the area for cracking and performing applicable on-condition actions, effective May 30, 2023.

FAA has issued airworthiness directive 2023-07-02 for all Airbus A330-200s, -300s, -800s, -900s, A340-200s, -300s, -500s and -600s, requiring replacing the doghouse door lock placard with an improved instruction placard, effective May 30, 2023.
 

FAA has issued airworthiness directive 2023-07-05 for certain Airbus Canada A220-100s, requiring inspecting the over-wing emergency exit door escape line and correcting the routing if required, effective May 30, 2023.

FAA has issued airworthiness directive 2023-06-14 for certain Pratt & Whitney Canada PW308As and 308Cs, requiring replacing all combustion chamber outer case flange bolts and modifying the case and inner bypass ducts, plus prohibiting installation of certain flange bolts on certain engines, effective May 30, 2023.