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 HAS AREAS OF CORROSION FROM STA 727B TO 767. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2, REPAIRED DAMAGE IAW B737-900ER SRM 53-00-53-2R-6W: 2 O: .040 R: 0 L: 3 D: .040.