What was found
R/H FLOOR SEAT TRACK FROM FS 364TO FS 394 AND RBL 9 HAVE SEVERAL AREAS OF SURFACE CORROSION. EVALUATED CORROSION ON R/H SIDEWALL SEAT TRACKS AT FS 364 TO FS 394 AT RBL 9 AND FOUND NOT WITHIN ALLOWABLE LIMITS IAW CRJ200 SRM 53-21-49 REV 38. *********AIRCRAFT REMOVED FROM SERVICE*************************** REMOVED AND REPLACED CABIN FLOOR SEAT TRACK FROM FS 364 TO FS 394 AND RBL 9, IAW CRJ200 AMM 53-01-11 REV 64. RESTORED PROTECTIVE FINISH TO SEAT TRACK INSTALLATION 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 #003566 CARD #20241. CRS #4AER685B N433AW TT:46,956:36 TC:45,610