As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING TASKCARD NR 800 53EA 02904 1 AIRCELL FWD & AFT DUI FOUND FORWARD CARGO COMPARTMENT FLOOR SUPPORT (P/N 143A7501) SECOND FROM THE INBOARD CARGO TRACK AT STATION 500B HAD HOLES DRILLED IN IT HOLE HAD BEEN DRILLED WHILE ACCOMPLISHING FLOOR PANEL REPAIR. SPLICED FORWARD CARGO COMPARTMENT FLOOR SUPPORT (P/N 143A7501) AT STATION 500B IN ACCORDANCE WITH BOEING 737 800 SRM 53 00 53 REPAIR NR 2 PAGES 201 THROUGH 205.