What was found
CORROSION AT MULTIPLE LOCATIONS ON R/H SIDEWALL SEAT TRACKS AT FS379, FS401, FS409+8, FS409+24, FS409+32, FS409+48, FS409+64, FS409+80, FS409+112 AND FS409+128. ***AIRCRAFT REMOVED FROM SERVICE*** CORROSION AT MULTIPLE LOCATIONS ON R/H SIDEWALL SEAT TRACKS AT FS379, FS401, FS409+8, FS409+24, FS409+32, FS409+48, FS409+64, FS409+80, FS409+112 AND FS409+128. REPLACED R/H SIDEWALL SEAT TRACKS AT FS379, FS401, FS409+8, FS409+24, FS409+32, FS409+48, FS409+64, FS409+80, FS409+112 AND FS409+128. 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. 20292, TT: 39614:0 TC: 37971.