As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT LOWER WEB AT CARGO DOOR HAS SPOTS OF CORROSION. GROUNDED - YES. REMOVED CORROSION ON AFT PIT LOWER WEB AT CARGO FOUND TO BE OUT OF LIMITS IAW B737-700 SRM 53-60-15-1A-1 REPLACED WITH NEW WEB IAW B737-700 SRM 51-40-02-0G-0.W= .75" O= .050" R= .030" L= .50" D= .020".