As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT WET AREA R-2 MOP SILL HAS MULTIPLE AREAS OF CORROSION. GROUNDED - YES. BLENDED CORROSION FOUND TO BE OUT OF LIMITS IAW B737-700 SRM 57-70-15-1A-1 REMOVED AND REPLACED MOPSILL IAW B737-700SRM 51-40-02-0G-0W= 1.80 O=.080 R= .070 L= 3.20 D= .010.