As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CARGO PIT RH TRANSITION CORRODED FROM STA 500B TO 500H. GROUNDED - YES. REMOVED AND REPLACED WITH NEW RH TRANSITION FROM STA 500B TO 500H IN THE FWD CARGO PIT. TRANSITION PANEL HAD BEEN FOUND OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2 AFTER CORROSION REMOVAL. FABRICATED NEW RH TRANSITION PANEL IAW B737-800 SRM 51-40-05-0G-0. W=3" O=.040" R=.020" L=1" D=.020".