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, FOUND FLOOR BEAM UPPER CHORD FS 344 WL 208.1 LBL 20 IS EXFOLIATED. FABARICATED T-ANGLE FROM AND10136-2401 50 INCHES BY 2.50 INCHES IAW B 737 SRM 53-10-9. FABRICATED SPLICE ANGLES FROM 7075 0 .083 INCH (8) 7 INCHES BY 2 INCHES AND 11 INCHES BY 2 INCHES IAW B 737 SRM 53-10-9 FIG 5. INSTALLED IAW B 737 SRM 53-30-2. (X)