As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON ACCOMPLISHING GVI IN AFT CARGO FOUND R/H TRANSITION TO HAVE CORROSION STA 727D TO 747. GROUNDED - YES. REMOVED CORROSION TRANSITION PANEL FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACED IAW B737 9MAX SRM 53-00-53-2R-5 W=1" O= .040 R= .032 L= 2" D= .008.