What was found
DAB - FL2308 - AFTER T/O AT APPROX 100 FT, THE RIGHT ENGINE HAD EXCESSIVE VIBRATION, ALL OTHER INDICATIONS WERE NORMAL. THE DECISION WAS MADE TO RETURN TO FIELD. NO EMERGENCY WAS DECLARED BUT EMERGENCY EQUIPMENT WAS CALL OUT AS A PRECAUTION. THE A/C LANDED WITHOUT FURTHER INCIDENT. THE RIGHT ENGINE WAS EXAMINED (BOROSCOPED) AND FOUND EVIDENCE OF A BIRD STRIKE. THREE SETS OF BLADES WERE FOUND SEVERLY BENT AND REPLACED WITH LIKE ITEM. RAN ENGINE AFTER BLADE CHANGE. ALL PARAMETERS CHECK NORMAL. OK FOR SERVICE. (M)