AN A319 DEVELOPED AN AIRFRAME VIBRATION AFTER TKOF AND RETURNED TO LAND. A MIS-RIGGED NOSE GEAR DOOR WAS THE SUSPECTED CAUSE.

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RETURN TO FIELD. AIRFRAME VIBRATION. THE ACFT SHOOK. SLOWED ACFT. RETURN TO FIELD. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE REPORTER STATED THAT THE AIRFRAME VIBRATION INITIALLY FELT LIKE A NOSEWHEEL RUBBING ON THE NOSE TIRE SNUBBER. HOWEVER; IT WAS FELT THROUGHOUT THE ENTIRE AIRCRAFT AND THE REPORTER WHO HAS FLOWN DC3'S; B1900'S; B737'S AND NUMEROUS OTHER ACFT TYPES; FELT THIS VIBRATION WAS THE MOST INTENSE HE HAS EXPERIENCED AND THE FIRST TIME THAT HE FEARED FOR HIS LIFE. WHEN THE ACFT WAS ON THE GND PEOPLE WERE THANKFUL. THE FLT THAT DAY WAS CANCELED AND THE REPORTER LEARNED THAT THE ACFT HAD BEEN THROUGH HEAVY MAINTENANCE PRIOR TO THIS FLT AND THAT ALL THREE LANDING GEAR STRUTS HAD BEEN REPLACED. THE POST FLT THINKING WAS THAT ONE OF THE LNDG GEAR DOORS WAS OUT OF RIG AND SO MAINTENANCE CONCENTRATED ON THAT DURING THE NIGHT. THE NEXT DAY THE REPORTER FERRIED THE ACFT TO A MAINTENANCE BASE AND HE FELT THAT THE VIBRATION WAS STILL PRESENT BUT NOT NEARLY AS BAD AS THE PREVIOUS DAY.