As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE PRE-FLIGHT AIRWORTHINESS CHECK A CRACK WAS FOUND ON A SKIN DOUBLER LOCATED ON THE LT BASE OF THE VERTICAL STABILIZER AT STATION 9800, WL 3100, BLL 50. THE CRACK RUNS VERTICAL & MEASURES APPROXIMATELY 2.315 INCHES. THE DOUBLER WAS REMOVED & ANOTHER CRACK WAS FOUND ON THE UNDERLYING DOUBLER AT THE SAME LOCATION, RUNNING THE SAME DIRECTION. THE 2ND CRACK MEASURES APPROXIMATELY 1.945 INCHES.