An A320 on takeoff climb declared an emergency and returned to departure airport due to loss of right engine performance and high vibration. Engine was shut down.

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Attributes
ACN	630561
Time
Date	200409
Day	Fri
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 2500
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : zzz.tracon
Operator	common carrier : air carrier
Make Model Name	A320
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 230 flight time total : 22000 flight time type : 6000
ASRS Report	630561
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : ecam warning other flight crewa other flight crewb
Resolutory Action	controller : issued new clearance flight crew : declared emergency flight crew : diverted to another airport
Consequence	other other other
Supplementary
Problem Areas	Flight Crew Human Performance Chart Or Publication Aircraft
Primary Problem	Aircraft

Narrative:

During takeoff at 2500 ft loss of #2 engine. Performed ECAM and communication procedures. Accomplished overweight single engine landing after declaring emergency back at ZZZ. Callback conversation with reporter revealed the following information: the reporter stated the engine was a CFM56-5 and the cause of the failure was a failed bearing in the high pressure compressor section. The reporter said the engine lost climb performance and had high vibration. The reporter stated the engine was changed.

Original NASA ASRS Text

Title: AN A320 ON TKOF CLB DECLARED AN EMER AND RETURNED TO DEP ARPT DUE TO LOSS OF R ENGINE PERFORMANCE AND HIGH VIBRATION. ENGINE WAS SHUT DOWN.

Narrative: DURING TKOF AT 2500 FT LOSS OF #2 ENGINE. PERFORMED ECAM AND COM PROCS. ACCOMPLISHED OVERWT SINGLE ENGINE LNDG AFTER DECLARING EMER BACK AT ZZZ. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ENGINE WAS A CFM56-5 AND THE CAUSE OF THE FAILURE WAS A FAILED BEARING IN THE HIGH PRESSURE COMPRESSOR SECTION. THE RPTR SAID THE ENGINE LOST CLB PERFORMANCE AND HAD HIGH VIBRATION. THE RPTR STATED THE ENGINE WAS CHANGED.

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.