As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT LH TRANSITION PANEL HAS AREAS OF CORROSION FROM STA 847 TO STA 727. GROUNDED - YES. REMOVED AND REPLACED TRANSITION PANEL AT AFT CARGO LH FROM STA 727 TO STA 847 IAW B737-800 SRM 51-40-02-0G-0W= 1" O= .040" R= .025" L= 2" D= .015".