As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: FWD CARGO FLOOR STRUCTURE, LT TRANSITION PANEL HAS COROSSION AT STA 400 TO 500C LBL 26. MAINTENANCE INSTALLED LH TRANSITION PANEL AT STA 400 TO STA 500C LBL 26 IAW AARD 51-00-05-1 BOEING DRAWING 143A 7500.