As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ANNUAL INSPECTION, A CRACK WAS DISCOVERED AT THE UPPER DIAGONAL TUBE IN THE AFT EMPENNAGE AREA. SL 266 CALLS FOR AN INSPECTION OF THIS AREA EVERY 100HRS WITH REPAIR PROVISIONS IF DAMAGE IS FOUND. THIS SL APPLICABILITY IS FOR ACFT PRIOR TO SN 0259. ACFT MANUFACTURED WITH A THICKER TUBE STRUCTURE IN THIS AREA TO ALLEVIATE PAST STRUCTURAL FAILURE. RECOMMENDED REPAIR FROM MFG MAY BE REQUIRED.