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 59 HAS CORROSION (LOCAL LEVEL 2) ON SIDEWALL UNDERNEATH FASTENER AT CROSSBEAM ATTACHMENT POINT. MX PERFORMED REPAIR BY INSTALLING FABRICATED REPAIR DOUBLER AT CENTER OMEGA BEAM AT FRAME 59 CROSSBEAM ATTACHMENT IAW SRM 53-00-10. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.