What was found
*FS559.00 LH STRAP FROM LBL27 TO FLOOR SILL IS CORRODED IN SEVERAL AREAS (MARKED) (C-CHECK) RO 4/21/2020 REMOVED CORROSION FROM FS559.00 LH STRAP FROM LBL27 TO FLOOR SILL REF CRJ200 SRM. ORIGINAL THICKNESS OF LH FLOOR STRAP AT LBL27 AND FS 559 IS .050" REF CRJ 200 SRM, AMOUNT REMAINING IS .031" REF NDT, REMOVED .019" AND MAX ALLOWABLE IS .005" THEREFORE OUT OF LIMITS OF CRJ 200 SRM. . REMOVED AND WET INSTALLED NEW FS559.00 LH STRAP. REPLACED 1EA DOME NUTPLATE GOING THROUGH PRESSURE FLOOR AREA. REF: BOMBARDIER DWG AND CRJ200 SRM