ANAC 2020-01-01 (Emergency)

Cancels and supersedes Brazil ANAC ADs 2011-05-05 and 2019-11-08 to require a more restrictive compliance time and include new maintenance requirements regarding corrosion in the mass-balance weights of control surfaces. New AD requires inspection of the mass-balance weights of the elevators, ailerons, and rudder, and their attachment parts, and replacement as necessary, within three calendar days/five flight hours, 30 days/50 flight hours, or, 60 days/100 flight hours, depending on aircraft serial number. It also requires reporting to the manufacturer if any signs of corrosion or material fragmentation are found during the inspection, as well as the inclusion of new mass-balance weights maintenance requirements, and respective recurring inspection intervals, in the approved maintenance or inspection program.