What was found
AFTER TO VIOLENT VIBRATION IN NOSE AREA WHEN ACCERATING THROUGH 230KTS.VIBRATION STOPPED WHEN DECCELATING TO 210KTS.276550 FLIGHT CREW ADVISED VIBRATION STARTED AFTER TAKEOFF AND ALL GEAR RETRACTED COMPLETELY. CHECKED A/C AROUND,LDG GEAR FOUND NO DEFECT NOTED. AILERON, FLAP, ELEVATOR, RUDDER, SPOILER OPS NORMAL.NOSE TIRE DE-SPIN PAD NORMAL.FOUND NR 1 AIR INTAKE FAIRING PLATE BROKEN AND REMOVED IT THEN ALL PACK OPS NORMAL. ACN RELEASED FOR SERVICE PER MEL 21-51-01-A NR 1 PACK - INOP. "RAM AIR SCOOP FAIRING PLATE MISSING. INSTALLED NR 1 PACK RAM AIR SCOOP FAIRING PLATE PER MM 21-55-01-4. ADJUSTED NR 1 PACK RAM DOOR PER MM 21-55-01-4. REACTIVED NR 1 PACK FLOW CONTROL VALVE. PERFORMED ACC-1, ACC-2,AC C-3 RTS TESTS PASSED PER MM 21-62-01-5.