What was found
SUPPORT BEAM @ STA. 559.00 BTW LBL 27.0 AND L/H FLOOR SILL HAS EVIDENCE OF CORRISION. MARKED WITH TAPE (C-CHECK - RO 6/19/21) / REMOVED CORROSION FROM LBL27 TO FLOOR SILL AT FS 559 REF CRJ200 SRWM 51-21-06. FOUND THE STRAP ON THE FLOOR BEAM AT FS 559 LBL 27 OUT OF LIMITS REF CRJ 200 SRM 53-00-00.MEASURED THICKNESS .037. ORGINAL THICKNESS .050 REF CRJ 200 SRM 53-41-43. MATERAL LOSS .013 MAX ALLOWED .005. - INSTALLED NEW STRAP FOR SUPPORT BEAM AT FS 559 LBL 27 AND LH FLOOR SILL PER REFERENCE CRJ 200 SRM 51-42-06 AND DRAWING #601R31025 REV M. COMPLIED WITH 51-900-1003-SKY.