What was found
DAB - FLT 282 - UPON ROTATION WITH THE NOSE JUST OFF THE RUNWAY, THE AIRCRAFT STRUCK A FLOCK OF BIRDS. SEVERE VIBRATION WAS FELT FROM THE NR 2 ENGINE. THE CAPTAIN DID NOT SHUT DOWN THE ENGINE BUT KEPT IT IN IDLE WHILE THEY RETURNED TO FIELD AT DAB. NO EMERGENCY WAS DECLARED AND THE FLT LANDED W/OUT FURTHER INCIDENT. MX REPLACED THE NR 1 ENGINE ASSY, THE NR 2 ENG FAN ASSY, THE NR 2 ENG PRECOOLER, THE LEFT INBD T/E FLAPS AND THE RT INBD AFT FLAP. ALL OP CHECKS, LEAK CHECKS AND ENGINE RUN GOOD. (M)