As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*LH ENGINE AFT PYLON UPPER AND LOWER SPLICE PLATES ARE CORRODED AS MARKED (C-CHECK) RO 2/28/2020 REPAIRED LH ENGINE AFT PYLON UPPER AND LOWER SPLICE PLATES THAT ARE CORRODED AS MARKED BY INSTALLING (4EACH) NEW REPLACEMENT BONDING PLATES PER BOMBARDIER RIL.