As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO R/H TRANSITION CORRODED FROM STA 727H TO 767. GROUNDED - YES. REMOVED CORRSION, FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2. REPAIRED TRANSITION IAW B737-800 SRM 53-00-53-2R-5W: 1" O: .040" R: .033" L: 1" D: .007".