What was found
L1 DOOR MOP SILL HAS MULTIPLE AREAS CHAFED FROM FLOOR PANEL INSERTS. GROUNDED - YES. REMOVED CORROSION, ORIGINAL THICKNESS OF .090, REMAINING THICKNESS OF .062, MAT LOSS OF .028 USING TOOL T8225G DETERMINED TO BE OUT OF LIMITS IAW B737-800 SRM 53-10-15, RECEIVED NEW PART (INNER CHORD) ON L-1 DOOR MOP SILL P/N 654A0004.1073 LOCATED, DRILLED , COUNTERSUNK AND INSTALLED IAW BAC DWG 141A8110 REV E