Global Regulatory Update, May 23-29, 2021
May 21, 2021
EASA has issued proposed airworthiness directive 21-047R1 for Airbus A330s and A340s, requiring replacing doghouse placard, effective 14 days after airworthiness directive is issued.
EASA has issued airworthiness directive 2021-0128 for Airbus A330-243s, -243Fs, -341s, -342s and -343s, requiring inspection of engine hydraulic pressure switch harness, effective June 1, 2021.
EASA has issued airworthiness directive 2021-0128 for Airbus A330-243s, -243Fs, -341s, -342s and -343s, requiring inspection of engine hydraulic pressure switch harness, effective June 1, 2021.

EASA has issued proposed airworthiness directive 21-072 for Rolls-Royce Deutschland Trent 1000s and 7000s, requiring inspection of high pressure turbine disc, effective 14 days after airworthiness directive is issued.

EASA has issued proposed airworthiness directive 21-073 for Airbus A380-841s, -842s and -861s, requiring replacement doghouse placard, effective 14 days after airworthiness directive is issued.
EASA has issued proposed airworthiness directive 21-075 Airbus A320-214s, -251Ns, and -271Ns, requiring inspection of passenger seats, effective 14 days after airworthiness directive is issued.
EASA has issued proposed airworthiness directive 21-075 Airbus A320-214s, -251Ns, and -271Ns, requiring inspection of passenger seats, effective 14 days after airworthiness directive is issued.

EASA has issued airworthiness directive 2021-0129 for Rolls-Royce Deutschland RB211 Trent 970-84s, 972-84s and 972E-84, requiring modification of low pressure compressor case static p30 air system, effective June 1, 2021.
EASA has issued airworthiness directive 2021-0130 for Airbus A350-1041s and -941s, requiring drainage and cleaning of slat geared rotary actuators, effective June 3, 2021.
EASA has issued airworthiness directive 2021-0130 for Airbus A350-1041s and -941s, requiring drainage and cleaning of slat geared rotary actuators, effective June 3, 2021.

FAA has issued airworthiness directive 2021-10-20 for certain ATR42-500s and ATR72-212As, requiring revising the existing aircraft flight manual and applicable corresponding operational procedures to update a systems limitation, limiting dispatch with certain equipment inoperative, performing an operational test of a certain contactor and an electrical test of a certain battery toggle switch, and corrective actions if necessary, effective May 14, 2021.

FAA has issued airworthiness directive 2021-08-14 for all Boeing 737-300s, -400s and -500s, requiring repetitive built-in test equipment tests of the auto-throttle computer to detect a flap synchro wire failure, and corrective action if necessary, effective June 2, 2021.
FAA has issued airworthiness directive 2021-09-13 for ATR42-500s, revising the existing maintenance or inspection program to incorporate new or more restrictive airworthiness limitations, effective June 23, 2021.
FAA has issued airworthiness directive 2021-09-13 for ATR42-500s, revising the existing maintenance or inspection program to incorporate new or more restrictive airworthiness limitations, effective June 23, 2021.

FAA has issued airworthiness directive 2021-11-06 all Airbus A320 family, requiring repetitive inspections and electrical test measurements of damaged windshields, and corrective actions if necessary, effective June 4, 2021.
FAA has issued airworthiness directive 2021-10-09 for all CFM56-5Bs and -7Bs, requiring removal, inspection and replacement of the cracked high pressure turbine inner stationary seals and, depending on the findings, replacement of the rotating air front seal, rotor blades, and No. 3 ball bearing, effective June 24, 2021.
FAA has issued airworthiness directive 2021-10-09 for all CFM56-5Bs and -7Bs, requiring removal, inspection and replacement of the cracked high pressure turbine inner stationary seals and, depending on the findings, replacement of the rotating air front seal, rotor blades, and No. 3 ball bearing, effective June 24, 2021.

Transport Canada has issued airworthiness directive CF-2021-19 for MHI RJ Aviation CRJ 100s, 440s, 700s, 701s, 702s, 550s, 705s, 900s and 1000s, dealing with the navigation system’s un-commanded heading change from magnetic to true, effective May 27, 2021.
Transport Canada has issued airworthiness directive CF-2021-20 for Pratt & Whitney Canada PT6A-60s and PT6E-67XPs, dealing with bleed-off valve failure to close, effective June 1, 2021.
Transport Canada has issued airworthiness directive CF-2021-20 for Pratt & Whitney Canada PT6A-60s and PT6E-67XPs, dealing with bleed-off valve failure to close, effective June 1, 2021.
A listing of airworthiness directives and bulletins from around the world.