What was found
AFT CABIN STA 1016+4'; LBL3 FLOOR STRAP HAS SMALL AREA OF CORROSION; MRK'D. / REMOVED CORROSION ON FLOOR STRAP STA 1016+4 LBL3 MATERIAL LOSS WAS 0.013' ORIGINAL THICKNESS WAS .074' REMAINING MATERIAL IS .061' FLOOR STRAP IS FOUND TO BE OUT OF LIMITS IAW BOEING 737-700 STM 53-70-51-1A-1 ALLOWABLE DAMAGE 1. REMOVED DAMAGED FLOOR STRAP AND REPLACED WITH NEW IAW BOEING DRAWING 147A5600 ID: 0001 REV: 4 USED UT GAUGE AAR#36647 CAL DUE 10JUN19