What was found
CREW REPORTS: FLT NR LAU 322/28, BOG/MIA - DEPARTED BOG ON 9-28-97 AND EXPERIENCED AN ABORTED TAKEOFF DUE NR 4 ENGINE FAN BLADE SEPARATION (2 EACH). IN ADDITION, EXHAUST TAIL PLUG EXITED THE ENGINE AND WAS RECOVERED FROM THE RUNWAY. FAN EXIT GUIDE VANES EXHIBIT DAMAGE AND SEVERAL MISSING. ALL FAN BLADES EXHIBIT DAMAGE. REPLACED NR 4 ENGINE, SN ON 662439. OPERATIONAL CHECK SATISFACTORY. (X)