to review vigilance data to which they have access under to Article 87 in order to estimate its impact, if any, on the validity of existing certificates.
chun sonraí aireachais a bhfuil rochtain acu orthu faoi Airteagal 87 a athbhreithniú chun a dtionchar, má tá aon tionchar acu, a mheas, ar bhailíocht na ndeimhnithe atá ann cheana féin.