As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT L/H TRANSITION HAS MULTIPLE AREAS OF CORROSION STA 727 TO 807 GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2, REMOVED AND REPLACED TRANSITION PANEL FROM 727 TO 807 IAW B737-800 SRM 51-40-02-0G-0 W .65 O .040 R .032 L-1.25 D .008