As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: RIGHT HAND ECS BAY VERTICAL STIFFENER AT BS 663 INBOARD SIDE ON KEEL BEAM HAS FASTENER HOLES IN COMMON WITH HORIZONTAL STIFFENER TWO EACH CRACKED. INSTALLED NEW VERTICAL STIFFENER, PER AARD 51-00-05-1, BOEING DWG 144A7100 AND SRM 51-40-02. SEE WIPS AND TASKS.