What was found
LH WING SLAT TRACK 1-2 FWD O/B, FWD I/B, AFT O/B AND AFT I/B ROLLERS WORN BEYOND LIMITS (C-CHECK RO 11-20-2021) REMOVED AND REPLACED LH WING SLAT TRACK 1-2 FWD O/B, FWD I/B, AFT O/B AND AFT I/B ROLLERS WITH NEW ROLLERS P/N CC670-12027-3 AND CC670-12048-3 REF CRJ700 AMM 27-81-44-400-801 (CONFIG A01), ALL CHECKS GOOD AT THIS TIME.