As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK AT AERO CORP, FLOOR BEAM CHORD FS 312 QL 208.1 LBL 20 TO RBL 20 IS EXFOLIATED. FABRICATED FLOOR BEAM FROM 7075T6 56 INCHES BY 2 INCHES. FABRICATED ANGLE SPLICES FROM 7075 0 .063 INCH, HEAT TREATED TO 7075 T6 8.50 INCHES BY 2 INCHES, 12 INCHES BY .1250 INCH IAW B 737 SRM 53-10-9. INSTALLED IAW B 737 SRM 51-30-2. (X)