Global Regulatory Update, June 4-10, 2023

EASA has canceled airworthiness directive 2012-0260-CN for Rolls-Royce Deutschland RB211 Trent 900s, requiring replacement of fuel-to-oil heat exchanger.

EASA has issued airworthiness directive 2023-0108 for CFM Leap-1As, requiring replacement of forward outer seal, high pressure compressor stages 6-10 compressor rotor spools and high-pressure turbine rotor stage 1 disks, effective June 9, 2023.

EASA has issued airworthiness directive 2023-0108 for CFM Leap-1Bs, requiring replacement of forward outer seal, high-pressure compressor stages 6-10 compressor rotor spools and high-pressure turbine rotor stage 1 disks, effective June 9, 2023.

EASA has issued airworthiness directive 2023-0111 for Airbus A330-841s and -941s, amending aircraft flight manual sections limitations and normal procedures and master minimum equipment list, and requiring inspection and replacement of pneumatic high pressure valve, effective June 2, 2023.

EASA has issued airworthiness directive 2023-0112 for Airbus A380-841s, -842s and -861s, amending time limits and maintenance checks for damage tolerant airworthiness limitation items, airworthiness limitations section part 2, effective June 13, 2023.

EASA has issued airworthiness directive 2023-0113 for Rolls-Royce Deutschland Trent 1000s, requiring replacement of engine fuel and control hydro-mechanical units, effective June 15, 2023.

EASA has issued proposed airworthiness directive 23-061 for Airbus A380-841s, -842s and -861s, requiring replacement of body landing gear rear axle, effective 14 days after airworthiness directive is issued.
 

FAA has issued airworthiness directive 2023-09-04 for certain Boeing 737-600s, -700s, -700Cs, -800s, -900s, -900ERs, 737-8s and -9s, requiring inspecting all escape slide assemblies to identify certain parts, and applicable on-condition actions, effective June 29, 2023.

FAA has issued airworthiness directive 2023-08-04 for certain Boeing 787-8s, -9s and-10s, requiring detailed visual inspection of all door 1 and door 3 lavatory and galley potable water systems for any missing or incorrectly installed clamshell couplings, and applicable on-condition actions, effective June 29, 2023.

FAA has issued airworthiness directive 2023-08-05 for certain Boeing 777s, requiring repetitive detailed and high frequency eddy current inspections of the pivot bulkhead forward outer chord of a certain station and longeron fitting for cracking and applicable on-condition actions, effective June 30, 2023.

FAA has issued airworthiness directive 2023-10-02 for all transport and commuter category airplanes equipped with a radio altimeter, revising the limitations section of the existing airplane flight manual to prohibit certain operations requiring radio altimeter and requiring modifying certain airplanes to allow safe operations in the U.S. 5G C-Band radio frequency environment, effective May 26, 2023.
 

Transport Canada has issued airworthiness directive CF-2023-37 for Airbus Canada A220-100s and -300s, requiring verification of aircraft repairs and damage assessments, effective June 13, 2023.

UK Civil Aviation Authority has issued airworthiness directive G-2023-0003 for BAE Systems ATPs, requiring a check of the flight data recording system, effective June 8, 2023.