As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R/H WING SLAT TRACK 1-2 O/B AFT SIDE ROLLER HAS A FLAT SPOT. (C-CHECK RO 10/22/2021) REMOVED AND REPLACED ROLLER WITH NEW ROLLER AND SHIM RH WING SLT TRACK 1-2 O/B AFT SIDE ROLLER. REF: CRJ900 AMM 27-81-44-000-801-A01 AND 27-81-44-400-801-A01. OPS TEST GOOD AT THIS TIME. SEE ATTACHED CONTINUATION CARD FOR DETAILS OF WORK PERFORMED.