What was found
CORROSION ON FLOOR ANGLE AT FS 448 TO FS 451 AND RBL 42. AIRCRAFT REMOVED FROM SERVICE. REMOVED CORROSION AT RT FLOOR ANGLE AT FS 448 TO FS 451 RBL 42, REF CRJ 200 SRM 51-21-06. REWORKED AREA MEASURES 1.80" L X 0.95" W X .003" D. ORIGINAL MATERIAL THICKNESS .080" REMAINING THICKNESS .077". HFEC INSPECTION ACCOMPLISHES WITH NO INDICATIONS NOTED, REF NDTM PART 1 51-20-06 REV 41. TREATED, PAINTED, AND APPLIED CPC WITHIN ALLOWABLE LIMITS, REF BOMBARDIER REO 601R-53-41-666 REV C DTD 2012-11-06.