Flight crew of a widebody transport shut down the #3 engine in cruise flight due to a reverser unlock deploy indication and landed at their intended destination. They were about ready to let down when the problem was noticed.

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Attributes
ACN	339989
Time
Date	199606
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : msp
State Reference	MN
Altitude	msl bound lower : 35000 msl bound upper : 35000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zmp
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 180 flight time total : 20000 flight time type : 600
ASRS Report	339989
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	other
Consequence	faa : investigated Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Cockpit indications led us to believe we may have had a problem with the #3 engine reverse unlock/deploy system. At maintenance request and the crew members' concurrence, we shut down the #3 engine and landed in the msp with no further problem.

Original NASA ASRS Text

Title: FLC OF A WDB SHUT DOWN THE #3 ENG IN CRUISE FLT DUE TO A REVERSER UNLOCK DEPLOY INDICATION AND LANDED AT THEIR INTENDED DEST. THEY WERE ABOUT READY TO LET DOWN WHEN THE PROB WAS NOTICED.

Narrative: COCKPIT INDICATIONS LED US TO BELIEVE WE MAY HAVE HAD A PROB WITH THE #3 ENG REVERSE UNLOCK/DEPLOY SYS. AT MAINT REQUEST AND THE CREW MEMBERS' CONCURRENCE, WE SHUT DOWN THE #3 ENG AND LANDED IN THE MSP WITH NO FURTHER PROB.

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.