What was found
WHILE CHAGING NUT PLATES ON THE UPPER STAIR PANEL ASSY FOUND AIRCTAFT SIDE PAX DOOR SILL TO BE CORRODED (C-CHECK) RO 5/16/2020 REMOVED AND REPLACED PASSENFER DOOR LOWER SILL IAW CRJ200 SRM
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE CHAGING NUT PLATES ON THE UPPER STAIR PANEL ASSY FOUND AIRCTAFT SIDE PAX DOOR SILL TO BE CORRODED (C-CHECK) RO 5/16/2020 REMOVED AND REPLACED PASSENFER DOOR LOWER SILL IAW CRJ200 SRM