Narrative:

At approximately 700' AGL after takeoff left engine unspooled to less than normal idle, accompanied by a strong vibration and loud rumble. Emergency was declared and engine shut down. Flight was vectored back to the airport where an uneventful landing was made using single engine procedures. Flight returned to gate with no further problems.

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Original NASA ASRS Text

Title: ACR MLG ENGINE FAILURE DURING ICB.

Narrative: AT APPROX 700' AGL AFTER TKOF LEFT ENGINE UNSPOOLED TO LESS THAN NORMAL IDLE, ACCOMPANIED BY A STRONG VIBRATION AND LOUD RUMBLE. EMER WAS DECLARED AND ENGINE SHUT DOWN. FLT WAS VECTORED BACK TO THE ARPT WHERE AN UNEVENTFUL LNDG WAS MADE USING SINGLE ENGINE PROCEDURES. FLT RETURNED TO GATE WITH NO FURTHER PROBLEMS.

Data retrieved from NASA's ASRS site as of August 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.