An md-11 in cruise at fl 350 declared an emergency and diverted due to an electrical burning odor in the cockpit caused by a failed flight management computer.

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Attributes
ACN	506940
Time
Date	200105
Day	Fri
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : xyz.airport
State Reference	US
Altitude	msl single value : 35000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zme.artcc
Operator	common carrier : air carrier
Make Model Name	MD-11
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 140 flight time total : 24000 flight time type : 2000
ASRS Report	506940
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : critical other anomaly
Independent Detector	aircraft equipment other aircraft equipment : somke alarm other flight crewa other flight crewb
Resolutory Action	flight crew : diverted to another airport flight crew : declared emergency
Consequence	other
Supplementary
Problem Areas	Company Environmental Factor Aircraft
Primary Problem	Ambiguous

Narrative:

Electrical smell noted in cockpit. 'Lav smoke' appeared on EICAS. F/a's checked all lavs. Alarm activated in crew rest modual. On inspection, no smoke or fire noted. Alarm went out and came on several minutes later. Turned off 'recirc flows' and entertainment system. Fume smell of electrical stronger. Contacted maintenance and disp. Declared emergency. Emergency descent into xyz landing normal. Normal taxi to gate. Maintenance found 2 C/B's failed/popped and #1 FMC damaged with traces of smoke on case.

Original NASA ASRS Text

Title: AN MD-11 IN CRUISE AT FL 350 DECLARED AN EMERGENCY AND DIVERTED DUE TO AN ELECTRICAL BURNING ODOR IN THE COCKPIT CAUSED BY A FAILED FLIGHT MANAGEMENT COMPUTER.

Narrative: ELECTRICAL SMELL NOTED IN COCKPIT. 'LAV SMOKE' APPEARED ON EICAS. F/A'S CHECKED ALL LAVS. ALARM ACTIVATED IN CREW REST MODUAL. ON INSPECTION, NO SMOKE OR FIRE NOTED. ALARM WENT OUT AND CAME ON SEVERAL MINUTES LATER. TURNED OFF 'RECIRC FLOWS' AND ENTERTAINMENT SYSTEM. FUME SMELL OF ELECTRICAL STRONGER. CONTACTED MAINT AND DISP. DECLARED EMERGENCY. EMER DESCENT INTO XYZ LANDING NORMAL. NORMAL TAXI TO GATE. MAINT FOUND 2 C/B'S FAILED/POPPED AND #1 FMC DAMAGED WITH TRACES OF SMOKE ON CASE.

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.