As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPORT TASK: MAIN CABIN PRESSURE DECK WEB HAS SIGNS OF CORROSION FROM 986.5 TO STA 990 AT RBL 32. REMOVED DAMAGE, ORIG .040 REF BAC DWG 147A5712 REV F. MATERIAL LOSS .014, REMAINING .026 FOUND OUT OF LIMITS REF B737-800 SRM 53-70-51-1A-1 FIG 104 DETAIL C. REMOVED, LOCATED, DRILLED AND INSTALLED NEW PRESSURE WEB REF B737-800 SRM 51-40-02 AND BAC DWG 147A5700 REV B. NO FURTHER ACTION REQUIRED.