As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: INITIAL INSPECTION(CPCP FINDING): CORROSION ON DOUBLER OF PREVIOUS REPAIR ON CENTER LH LONGITUDINAL BEAM BTW FR 19 & Y=230 AT FLOOR STRUCTURE (W1); DOUBLER OF PREVIOUS REPAIR ON CENTER LH LONGITUDINAL BEAM BTW FR 19 & Y=230LH AT FWD FLOOR STRUCTURE (W1) WAS REPLACED PER ETI-190-23-648 REV. ORIGINAL & ETD 2010-190/1039 REV. ORIGINAL.REF TOMEXNR00161 FOR DETAILS.