As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* LH #1 SLAT PANEL €“ BOTTOM SIDE OF UPPER TRAILING EDGE CHAFED ON OUTBOARD END. (C-CHECK) RO 5/16/2020 REMOVED CHAFE ON LH #1 SLAT REF CRJ-900 SRM. WORK WAS OUT OF LIMITS/ REPAIRED REF BOMBARDIER REO FOR REPAIR. RESTORED FINISH REF CRJ-900 SRM. SEE CONTINUATION CARD FOR WORK PERFORMED