As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOGBOOK N# 1697420 : ***CORROSION**** SUPPORT BEAM ARE CORRODED AT ATTACHED POINT UNDER FWD CARGO PANELS 122FW. / EVALUATED CORROSION AREA UNDER FWD CARGO PANEL 122FW; FOUND Z CHANNEL - SIDE PLATE OUT OF LIMITS PER B737 SRM 53-00-53-1A-2 ; REPLACED DAMAGE Z CHANNEL - SIDE PLATE FROM BS 500A TO BS 500I PER REF B737 SRM 51-40-02-0G-0 ; DWG 143A7500 AND REPAIR 53-00-53-2R-5