What was found
DURING TAKEOFF GOT "ICE DETECTED" FOLLOWED BY EVM COMP NR 3 ENG 5.6 WITH AMBER BOX. CREW FELT THE EXCESSIVE VIBRATION. ON ARRIVAL INSPECT FAN AREA AND FOUND 2 FAN BLADE BENT. FOUND ALSO SLIGHT REMAIN OF BLOOD AROUND THE ICE DECTECTOR AND NEAR THE OUTER FAN AREA. FOUND NO EVIDENCE OF CORE INGESTION. THE INGESTED BIRD WENT THRU THE FAN AREA. REPLACED/INSTALLED NR 30 AND NR 31 FAN BLADES IAW MM 72-31-02-4. NR 3 ENG SPINNER IAW MM 72-31-01-4. PERFORMED NR3 ENG VIBRATION SURVEY.