FAA has issued airworthiness directive 2021-25-02 for Yaborã Industria Aeronáutica ERJ 190-100 STDs, -100 LRs, -100 ECJs, -100 IGWs, -200 STDs, -200 LRs and -200 IGWs, requiring, for certain airplanes, retorquing and replacing the pylon lower link fittings; and, for all airplanes, repetitive retorquing of those fittings, modification of the attaching parts of the pylon lower link fittings and application of a lower torque value; inspection of certain shear pins and replacement if necessary; and revised compliance times for the modification, effective Jan. 20, 2022.