What was found
* CORROSION ON LBL9 LONGITUDINAL FLOOR BEAM AT FS1031 (C-CHECK) RO 4/6/2020 REMOVED CORROSION ON LBL 9 LONGITUDINAL FLOOR BEAM AT FS 1031.00. REF CRJ700 SRM ORIGINAL MATERIAL THICKNESS AT BLENDED AREAS OF LBL 9 FLOOR BEAM IS 0.120" PER BOMBARDIER DRAWING. REMAINING MATERIAL AT LARGEST REWORKED AREA = 0.087". OUT OF LIMITS, NO DAMAGE IS ALLOWED ON THE FLOOR SUPPORT STRUCTURE PER CRJ700 SRM. REMOVED 0.033" AT DEEPEST POINT. VERIFIED WITH TOOL TUSS8817 NEXT CAL DUE 30-APR-20 INSTALLED FABRICATED FLOOR BEAM, SHIMS AND SPLICE ANGLES WITH NEW FASTENERS REF CRJ700 SRM COMPLIED WITH SKY CARD (CL600-2C10) STUCTURAL MAJOR REPAIR (**RII**) AND M-337 FORM