What was found
RBL9 SEAT TRACK FS559+86 - FS559+96 SEGMENT IS CORRODED. *******AIRCRAFT REMOVED FROM SERVICE******** REMOVED UNSERVICEABLE CARGO TIE DOWN TRACK, FIT, & DRILLED FROM P/N 20276-288-0-0A, PAINTED AND INSTALLED NEW SECTION IAW BOMBARDIER REO# 601R-53-00-485, REV-D, DATED 2018-01-29, AND CRJ200 SRM 51-40-11, 51-24-36, & AMM 53-01-11-000-802, & 53-01-11-400-802.