What was found
UPON A SCHEDULED INSPECTION AT AERO CORP IN LAKE CITY, FL, A CRACK AROUND THE RIVET ON THE RIGHT AFT COCKPIT WINDOW FRAME WAS FOUND. STOP DRILLED CRACK. FABRICATED AND INSTALLED REPAIR. REINSTALLED WINDOW IAW B727 SRM 53-30-3 AND MM 56-00-00. (M)