As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEAT TRACK RBL 23.0 NEAR FR22 AT FRONT END HAS CORROSION -P- SUMMARY SEE NR FOR ADDITIONAL INFORMATION 001-0572:5321-2021/002 00386 REMOVED AND REPLACED PER SEAT TRACK A220 ASRP BD500-A-J51 -77-00-00AAA-028A-A. (LP# 1584888; AIRCRAFT WAS GROUNDED)