As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) CONTROL COLUMN TORQUE BOX CONTAINED TWO CRACKS ON THE LOWER SURFACE EMANATING FROM THE EDGES OF THE CONTROL COLUMN CUT-OUT. ONE OF THE CRACKS HAD BEEN STOP DRILLED AND REINFORCED WITH A SMALL DOUBLER PATCH. LOG BOOK ENTRY SHOWED THAT THE CRACK HAD BEEN REPAIRED ON 29 APRIL 1989 AT 2,523 HOURS. THIS REPAIR IS AN ILLEGAL REPAIR. AD/VAT/42 WAS LAST CARRIED OUT AT 3,399 HOURS. UNAPPROVED REPAIR. (X)