What was found
CORROSION AT MULTIPLE LOCATIONS ON RH SIDEWALL SEAT TRACKS AT FS424, FS439, FS461, FS478, FS484, FS499, FS513, FS559+24 AND FS559+56. ***AIRCRAFT REMOVED FROM SERVICE*** REPLACED R/H SIDEWALL SEAT RAILS AT MULTIPLE CORROSION AT FS424, FS439, FS461, FS478, FS484, FS499, FS513, FS559+24, AND FS559+56. RESTORED SURFACE FINISH. ALL WORK WITHIN LIMITS WAS PERFORMED IAW CRJ200 AMM 53-01-11 REV 64. WORK PERFORMED UNDER AERSALE WORK ORDER 003375, CARD NO. 20293, TT: 39614:0 TC: 37971.