As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT HAND WING ZONE 500 SLAT TRACK 1-1 SHOWS SIGNS OF WEAR ON LWR SIDE (MARKED WITH RED) (C-CHECK RO 10/29/2021) BLENDED WEAR ON LH WING SLAT TRACK 1-1 LOWER SIDE, MATERIAL LOSS FOUND TO BE WITHIN LIMITS REF MHIRJ REO 670-57-42-1190 REV--, DATED 2021-09-30. COMPLIED WITH TASK CARD 51-900-1002-SKY. SEE CONTINUATION CARD FOR MAINTENANCE PERFORMED.