As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK CENTER OMEGA BEAM FRAME 29 HAS CORROSION (LOCAL LEVEL 2) AT LOWER FLANGE AND SIDEWALL FOR CROSSBEAM ATTACHMENT POINT. MX PERFORMED REPAIR ON CENTER OMEGA BEAM FRAME 29 CROSSBEAM ATTACHMENT POINT IAW SRM 53-00-10. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.