As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT, LH TRANSITION PANEL IS CORRODED AT STA 727A-727F+14. GROUNDED - YES. REPAIRED THE AFT PIT, L/H TRANSITION PANEL FROM STA 727-727F+14 USING MAT BAC1496-377 PER B737-800 SRM 53-00-53-2R-5. EVALUATED AFT PIT TRANSITION PANEL STA 727A-727F+14. ORIG THICKNESS .040 PER BAC PROFILE DWG BAC1496-377. REMOVED .040. REMAINING .000. 100% LOSS, AND IS FOUND TO BE OUT OF LIMITS PER B737-800 SRM 53-00-53-1A-2.