As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD KEEL BEAM ATTACHING HARDWARE IS CORRODED. THE TWO FORWARD BOLTS/NUTS AND THE L/H AFT BOLT/NUT BETWEEN FS 409+112 AND 409+128. (C-CHECK) RO 2/27/2020 REMOVED AND INSTALLED SERVICEABLE FWD KEEL BEAM ATTACHING HARDWARE BETWEEN FS 409+112 AND FS 409+ 128 IAW BOMBARDIER RIL# 3418 REV A, CALIBRATED TOOL USED WVACT 203439 S/N 061504646 CAL DUE 30-JUN-20