What was found
FLT#153, JFK- PBI. (AIRCRAFT PERFORMED AN AIR TURN BACK TO JFK) .'AFTER T/O A/C HAD A SIGNIFICANT VIBRATION. WHILE TROUBLESHOOTING TOWER ADVISED SEVERAL A/C SAW DEBRIS COME OFF OUR A/C. WE RETURNED AND DIDAN OVERWEIGHT LANDING; FOUND #1 ENG DAMAGE CAUSED BY BIRD STRIKE. ENGINE REPLACED ON LOGPAGE 3943050-2 (REMOVAL AND INSTALLATION OF ENG #1 ACCOMPLISHED REF W/O 1344200 AND T/C NO. A320-71-00-20-400-040). CHP 5 INSPECTION COMPLETED ON LOGPAGE 3943045-2 AND ENGINE INSPECTION ACCOMPLISHED ON 3943046-1. OVERWEIGHT INSP ACCOMPLISHED ON 3943044-2.'