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November 21, 2021

AD: ATR-GIE Avions de Transport Régional Airplanes

AD 2021-20-09 FAA Has Determined That New Or More Restrictive Airworthiness Limitations Are Necessary

The FAA is superseding Airworthiness Directive (AD) 2021-03-03, which applied to certain ATR-GIE Avions de Transport Régional Model ATR72 airplanes. AD 2021-03-03 required revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. Since the FAA issued AD 2021-03-03, the FAA has determined that new or more restrictive airworthiness limitations are necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations, as specified in a European Union Aviation Safety Agenc

AD 2021-22-04 Prompted By A Quality Control Review, Which Determined That The Wrong Aluminum Alloy Was Used

The FAA is superseding Airworthiness Directive (AD) 2019-21-10, which applied to all Airbus SAS Model A321-111, -112, -131, -211, -212, -213, -231, and -232 airplanes. AD 2019-21-10 required a one-time eddy current conductivity measurement of certain structural parts of the outer flaps to determine if the incorrect alloy was used, and replacement if necessary. This AD continues to require a one-time eddy current conductivity measurement of certain structural parts of the outer flaps to determine if the incorrect alloy was used, and replacement if necessary; and also requires a new one-time eddy current conductivity measurement of certain oth