As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AT REAR BARREL FLOOR SEAT TRACK AT FR 74 RBL 23 WL 147. REMOVED AND INSTALLED NEW SEAT TRACK P/N C01342723-0095 LOT 5194663-1 OF REAR BARREL FROM FR61 TO FR74 PER DWG BOMBARDIER PL C01342701 REV-G AND A220 ASRP BD500-A-J51-42-20-00AAA-078A-A. (LP# 1631072; AIRCRAFT WAS GROUNDED)