What was found
CORROSION ON CABIN FLOOR SUPPORT STRUCTURE AT FS349 AND RBL27 TO RBL 42. *****AIRCRAFT REMOVED FROM SERVICE********* REMOVED AND REPLACED CABIN FLOOR SUPPORT ANGLE PN 601R38783-13 AT FS349 AND RBL27 TO RBL 42. RESTORED PROTECTIVE FINISH. ALL WORK WITHIN LIMITS WAS PERFORMED IAW MHIRJ CRJ200 SRM 51-11-00 REV 39, SRM 51-25-06 REV 39, SRM 51-40-11 REV 39, SRM 51-42-20 REV 39, SRM 51-42-13 REV 39, SRM 51-42-15 REV 39, SRM 51-42-20 REV 39 AND SRM 51-42-06 REV 39. ALL WORK WITHIN LIMITS PERFORMED UNDER AERSALE WORK ORDER 003883, CARD NO. 20134, TT: 39,700:41 TC: 38,532.