As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FRAME, BS 310, AFT WEB STR 26 - 27 AND TWO AREAS ON THE LOWER FLANGE STR 25 - 27. REMOVED AND INSTALLED NEW BS 310 FRAME LOWER SECTION BETWEEN STGR23L AND STGR 23R IAW SRM 51-42-06 AND 51-42-21 AND DWG 601R32002, REV AD. PRESSURE LEAK CHECK GOOD.