As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A SCHEDULED INSPECTION A 4.5" CRACK RUNNING LONGITUDINALLY WAS DISCOVERED IN THE BELLY SKIN. IT IS LOCATED BETWEEN FS 254.5 AND FS 259.0 AND ON THE FIRST STR TO THE RT SIDE OF CENTER. IT RUNS DIRECTLY UNDER A STR AND APPEARS TO BE WHERE THE BONDED OR CHEMICALLY MILLED SKIN CHANGES THICKNESS. FIRST CRACK OF THIS TYPE SEEN ON 8 DIFFERENT AIRFRAMES UP TO 17,000 HOURS.