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 PANEL STA 727 TO 727E+12 HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT L/H TRANSITION PANEL AT STA 727 TO 727E+12 IAW B737-800 SRM 53-00-53-1A-2, ORIGNL MATERIAL WAS .040 IAW B757-800 SRM 53-60-53-01-2 100% MATERIAL LOST FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2 REPAIRED THE AFT PIT L/H TRANSITION PANEL FROM STA 727 TO 727E+12 USING MAT BAC 1496-377 IAW B737-800 SRM 53-00-53-2R-5.