What was found
CABIN SEAT TRACKS STGR 15L HAVE DAMAGE, CORROSION, AND CORRODED HARDWARE, AS MARKED FS 783/852. C-CHECK RO 1/17/2021. CORROSION ON SEAT TRACK FOUND TO BE OUT OF LIMITS. REMOVED AND INSTALLED NEWLY FABRICATED SEAT TRACK, REF CRJ700 AMM 53-00-49-400-801-A17. SEE MX 21975959 FOR TRACK FABRICATION.