As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A CRACK WAS FOUND IN THE INTERIOR OF THE LEFT SIDE OF THE VERTICAL FIN. THE CRACKS WERE LOCATED ON HORIZONTAL RIBS AT WL 235.2 AT STATION 9725.0 MM. LOWER CRACK IS APPROXIMATELY 4 INCHES LONG. SECOND CRACK IS APPROX. 1.25 INCH LONG. MFG WAS CONTACTED FOR SERVICEABILITY INSTRUCTIONS. A LETTER WAS INSSUED PERMITTING OPERATION FOR 100 HOURS PROVIDED DAILY AND 25 HOUR INSPECTIONS WERE COMPLIED WITH INSTRUCTIONS.