As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CARGO L/H TRANSITION HAS MULTIPLE AREAS OF CORROSION BETWEEN STA 500 TO STA 500I LBL-21. GROUNDED - YES. REMOVED DAMAGE TRANSITION PANEL FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2. REMOVED AND REPALCED TRANSITION PANEL STA 440+10 TP 500I IAW B737-800 SRM 53-00-53-2R-5W= 2" O= .040" R= .034 L= 1" D= .006.