Flight crew of an embraer, EMB120, shut down the left engine and declared an emergency shortly after takeoff due to a master caution engine bleed air duct leak.

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Attributes
ACN	471696
Time
Date	200004
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : mco.airport
State Reference	FL
Altitude	msl single value : 1000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : mco.tracon
Operator	common carrier : air carrier
Make Model Name	Brasilia EMB-120 All Series
Operating Under FAR Part	Part 119
Navigation In Use	other
Flight Phase	climbout : initial descent : holding
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 100 flight time total : 3200 flight time type : 100
ASRS Report	471696
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : multi engine pilot : commercial
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : duct leak light other flight crewa other flight crewb
Resolutory Action	controller : separated traffic flight crew : landed in emergency condition flight crew : declared emergency
Consequence	faa : investigated other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Normal preflight and taxi after takeoff at 1000 ft AGL received duct leak master caution. Performed duct leak checklist which eventually led us to shut down #1 engine as a precaution. Approach gave us box pattern just east of airport. Once all checklists were complete and everyone was informed, we declared emergency and landed at mco single engine without incident. Cause -- loose clamps on duct work.

Original NASA ASRS Text

Title: FLC OF AN EMBRAER, EMB120, SHUT DOWN THE L ENG AND DECLARED AN EMER SHORTLY AFTER TKOF DUE TO A MASTER CAUTION ENG BLEED AIR DUCT LEAK.

Narrative: NORMAL PREFLT AND TAXI AFTER TKOF AT 1000 FT AGL RECEIVED DUCT LEAK MASTER CAUTION. PERFORMED DUCT LEAK CHKLIST WHICH EVENTUALLY LED US TO SHUT DOWN #1 ENG AS A PRECAUTION. APCH GAVE US BOX PATTERN JUST E OF ARPT. ONCE ALL CHKLISTS WERE COMPLETE AND EVERYONE WAS INFORMED, WE DECLARED EMER AND LANDED AT MCO SINGLE ENG WITHOUT INCIDENT. CAUSE -- LOOSE CLAMPS ON DUCT WORK.

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.