What was found
R/H SIDEWALL SEAT TRACKS (3 EA) FROM FS 409+111.98 TO FS 549.06 HAVE SEVERAL AREAS SURFACE CORROSION. EVALUATED CORROSION ON R/H SIDEWALL SEAT TRACKS AT FS 409+111.98 TO FS 549.06 FOUND NOT WITHIN ALLOWABLE LIMITS IAW CRJ200 SRM 53-00-49 REV 38. *********AIRCRAFT REMOVED FROM SERVICE*************************** REMOVED AND REPLACED 3 EACH R/H SIDEWALL SEAT TRACKS FROM FS 409+111.98 TO FS 549.06 IAW CRJ200 AMM 53-01-11 REV 64. RESTORED PROTECTIVE FINISH TO SEAT TRACKS PRIOR TO INSTALLATION IAW CRJ200 SRM 51-21-11 REV 38, CRJ200 SRM 51-25-06 REV 38, AND CRJ200 SRM 51-25-00 REV 38. WORK COMPLETED ON AERSALE WO #003541 CARD #20172. CRS #4AER685B N426AW TT: 41,140:31 TC: 39,653