As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MAINTENANCE PERFORMING DTA EVALUATION IT WAS NOTED THAT EXISTING REPAIR AT BS 309 STR 26L IS NON-COMPLIANT WITH SRM. REMOVED DOUBLER REPAIR. FABRICATED NEW DOUBLER, TRIPLER, AND INSTALLED REPAIR. NO OTHER DEFECTS WERE NOTED. AIRCRAFT WAS RETURNED TO SERVICE.