As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH INBOARD SLAT TRACK 1-2 SIDE ROLLER @ OUTBOARD FWD HAS FLAT SPOT GREATER THAN 0.060 INCH. (C-CHECK RO 9/30/2021) REMOVED AND REPLACED THE LH SLAT TRACK 1-2 OTBD FWD SIDE ROLLER IAW CRJ-700 AMM 27-81-000-801-A01, 27-81-44-400-801-A01. NO DEFECTS NOTED AT THIS TIME. REFERENCE THE CONTINUATION CARD FOR THE WORK PERFORMED.