An MD11 flight crew received an EICAS alert 'engine 2 anti-ice duct.' they followed the checklist to secure the engine; declared an emergency; and returned to departure airport.

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Attributes
ACN	750834
Time
Date	200708
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzzz.airport
State Reference	FO
Altitude	agl single value : 1000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : zzz.tower tower : sdf.tower
Operator	common carrier : air carrier
Make Model Name	MD-11
Operating Under FAR Part	Part 121
Flight Phase	climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 55 flight time total : 6500 flight time type : 1700
ASRS Report	750834
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Experience	flight time last 90 days : 172 flight time total : 3500 flight time type : 940
ASRS Report	750833
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : eicas other flight crewa
Resolutory Action	flight crew : landed in emergency condition flight crew : declared emergency other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

On takeoff we received an 'engine 2 a-ice duct' level 3 alert at 1000 ft AGL. After aircraft clean up accomplished appropriate checklist which called for the shutdown of the #2 engine. We declared an emergency with departure and informed them of our need to dump fuel (approximately 80000 pounds) to arrive at our maximum landing weight of 491500 pounds. After dump accomplished we returned to ZZZZ and accomplished an ILS approach to a successful landing.

Original NASA ASRS Text

Title: AN MD11 FLT CREW RECEIVED AN EICAS ALERT 'ENG 2 ANTI-ICE DUCT.' THEY FOLLOWED THE CHECKLIST TO SECURE THE ENGINE; DECLARED AN EMERGENCY; AND RETURNED TO DEPARTURE AIRPORT.

Narrative: ON TKOF WE RECEIVED AN 'ENG 2 A-ICE DUCT' LEVEL 3 ALERT AT 1000 FT AGL. AFTER ACFT CLEAN UP ACCOMPLISHED APPROPRIATE CHKLIST WHICH CALLED FOR THE SHUTDOWN OF THE #2 ENG. WE DECLARED AN EMER WITH DEP AND INFORMED THEM OF OUR NEED TO DUMP FUEL (APPROX 80000 LBS) TO ARRIVE AT OUR MAX LNDG WT OF 491500 LBS. AFTER DUMP ACCOMPLISHED WE RETURNED TO ZZZZ AND ACCOMPLISHED AN ILS APCH TO A SUCCESSFUL LNDG.

Data retrieved from NASA's ASRS site as of January 2009 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.