What was found
*LEFT WING #1 LEADING EDGE SLAT €“ 1-3 DRIVEN SLAT TRACK HAS WEAR AND PITTING DAMAGE, 4 AREAS. (MARKED) (C-CHECK RO 5/22/2021) REMOVED WEAR AND PITTING DAMAGE FROM LH SLAT TRACK 1-3. REF CRJ700 SRM 51-12-00-001-001-A01 AND 51-21-06-001-001-A01. EVAL NO DAMAGE ALLOWED. NDT DEFECT FREE. RECEIVED AND COMPLIED WITH ALL STEPS OF REO 670-57-42-1046 REV-- DATED 2021-04-08. COMPLIED WITH TASK CARD 51-900-1002-SKY STRUCTURAL MAJOR REPAIR. ALL CHECKS GOOD. SEE CONTINUE CARD FOR DETAILS OF WORK PERFORMED.