What was found
AIRCRAFT 8108, CORROSION ON CABIN SEAT TRACK UPPER SURFACE FR74 LBL 23. CORRECTIVE ACTION: REPLACED SEAT TRACK FROM FR 61-74 LBL 23 IAW DWG# C01342701 REV G, AND A220 ASRP BD500-A-J51-42-06-00AAA-078A-A AND BD500-A-J51-42-21-00AAA-078A-A.