As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CARGO L/H TRANSITION STA 500E HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED CORRSION FROM L/H TRANSITION DETERMINED 500E TO 500I TO BE WITHIN LIMITS AND RESTORED FINISH IAW B737-900ER SRM 53-00-53-1A-2 DETERMINED 500I TO 500L OUT OF LIMITS AND REPAIRED IAW B737-900ER SRM 53-00-53-2R-5W= 3 O= .040 R= .034 L= 20 D= .006.