What was found
RH SLAT TRACK 2-2 OTBD FWD, INBD FWD, INBD AFT ROLLERS ARE WORN. (C-CHECK RO 11/04/2021) REMOVED RH SLAT TRACK 2-2 OTBD FWD, INBD FWD, INBD AFT SIDE ROLLERS REF CRJ900 AMM 27-81-44-000-802-A01. / INSTALLED RH SLAT TRACK 2-2 OTBD FWD, INBD FWD, INBD AFT SERVICABLE SIDE ROLLERS REF CRJ900 AMM 27-81-44-400-802-A01 / OPERATIONAL CHECK GOOD