As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT CENTER LINE FLOOR SUPPORT CHANNEL BETWEEN STA 1400 AND 1420 CRACKED. MAJOR REPAIR ACCOMPLISHED. STOP DRILLED CRACKS. APPLIED CORROSION INHIBITING COMPOUND. TO REINSPECT AT A-CHECK. TO REPAIR OR REPLACE STRINGER AT C-CHECK. TO CONTACT ENGINEERING IF ANY CRACKS ARE DETECTED AT A-CK.