As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT THE MAINTENANCE BASE VISIT DURING ACCOMPLISHMENT OF SB 145-53-0068 A HOLE WAS MISDRILLED ON FRAME 49 AT STRINGER 8 LEFT. THE AIRCRAFT WAS REMOVED FROM SERVICE. ACCOMPLISHED REPAIR TO FRAME 49 AT STRINGER 8 LEFT IAW EO EM-53MR-1501. THE AIRCRAFT WAS RETURNED TO SERVICE.