What was found
L/H FLOOR SEAT TRACK FROM FS 364 TO FS 409+8 RBL 9.5 HAS SEVERAL AREAS OF SURFACE CORROSION. EVALUATED CORROSION ON L/H FLOOR SEAT TRACK AT FS 364 TO FS 409+8 AND RBL 9.5 AND FOUND NOT WITHIN ALLOWABLE LIMITS IAW CRJ200 SRM 53-41-49 REV 39. *********AIRCRAFT REMOVED FROM SERVICE*************************** REMOVED AND REPLACED 1 EACH L/H FLOOR SEAT TRACK FROM FS 364 TO FS 409 RBL 9 IAW CRJ200 AMM 53-01-11 REV 65. RESTORED PROTECTIVE FINISH TO SEAT TRACK PRIOR TO INSTALLATION IAW CRJ200 SRM 51-21-11 REV 39, CRJ200 SRM 51-25-06 REV 39, AND CRJ200 SRM 51-25-01 REV 39. WORK COMPLETED ON AERSALE WO #003697 CARD #20272. CRS #4AER685B N457AW TT: 39,910:44 TC: 39,007