Flight crew of an wbd returned to land after experiencing an engine vibration during initial climb.

Attributes
ACN	299591
Time
Date	199503
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : jfk
State Reference	NY
Altitude	agl bound lower : 500 agl bound upper : 3000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : n90
Operator	common carrier : air carrier
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	299591
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : atp
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

After takeoff aircraft had vibration. Isolated to left engine. Technical service indicated history of vibration on this aircraft. Elected not to go overwater. Landed jfk at 295000 pounds.

Original NASA ASRS Text

Title: FLC OF AN WBD RETURNED TO LAND AFTER EXPERIENCING AN ENG VIBRATION DURING INITIAL CLB.

Narrative: AFTER TKOF ACFT HAD VIBRATION. ISOLATED TO L ENG. TECHNICAL SVC INDICATED HISTORY OF VIBRATION ON THIS ACFT. ELECTED NOT TO GO OVERWATER. LANDED JFK AT 295000 LBS.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.