As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: AFT LOWER FUSELAGE DOOR SILL DRAIN CUTOUT CORRODED. CLEANED, BLENDED, AND REMOVED THE CORROSION ON THE AFT LOWER FUSELAGE DOOR SILL DRAIN CUTOUT AND IS WITHING LIMITS. PER B737NG SRM 53-00-01-1A-1 AND B737NG SRM 53-7-01-0I-1.