EMB120 flight crew has smoke and fumes during climb out from den.

Attributes
ACN	580146
Time
Date	200304
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	navaid : rap.vortac
Altitude	msl single value : 29000
Environment
Flight Conditions	Mixed
Light	Night
Aircraft 1
Controlling Facilities	artcc : zdv.artcc
Operator	common carrier : air carrier
Make Model Name	Brasilia EMB-120 All Series
Operating Under FAR Part	Part 121
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 : 180 flight time total : 3900 flight time type : 180
ASRS Report	580146
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : multi engine
Experience	flight time last 90 days : 40 flight time total : 1050 flight time type : 220
ASRS Report	580067
Events
Anomaly	aircraft equipment problem : less severe other anomaly other anomaly
Independent Detector	aircraft equipment other aircraft equipment : eicas smoke warning other flight crewa other flight crewb
Resolutory Action	flight crew : overcame equipment problem flight crew : diverted to another airport flight crew : landed as precaution
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Flight from den-dik we had to return to den after 'smoke' (master warning). It was the result of a failure of the right pack. At leveloff (FL290) we turned the packs from low to norm. We immediately noted a T6 spike on the right engine of +35 degrees C as compared to +3 degrees on the left engine. We reduced power to compensate for the rise. Within seconds we smelled a hot smell. Because it was immediate and the xbleed was closed we turned the left pack back to the low setting. Within seconds we got the 'smoke' and we procceded with the memory items for 'smoke.' after we both were ready we proceeded with eap. When we got to the note about the 13K switch the decision was made to turn off the oxygen masks, because the 'smoke' extinguished and pressurization was under control. The guarded switch was improperly installed, and resulted in mask deployment. The decision was made to return to den.

Original NASA ASRS Text

Title: EMB120 FLT CREW HAS SMOKE AND FUMES DURING CLBOUT FROM DEN.

Narrative: FLT FROM DEN-DIK WE HAD TO RETURN TO DEN AFTER 'SMOKE' (MASTER WARNING). IT WAS THE RESULT OF A FAILURE OF THE R PACK. AT LEVELOFF (FL290) WE TURNED THE PACKS FROM LOW TO NORM. WE IMMEDIATELY NOTED A T6 SPIKE ON THE R ENG OF +35 DEGS C AS COMPARED TO +3 DEGS ON THE L ENG. WE REDUCED PWR TO COMPENSATE FOR THE RISE. WITHIN SECONDS WE SMELLED A HOT SMELL. BECAUSE IT WAS IMMEDIATE AND THE XBLEED WAS CLOSED WE TURNED THE L PACK BACK TO THE LOW SETTING. WITHIN SECONDS WE GOT THE 'SMOKE' AND WE PROCCEDED WITH THE MEMORY ITEMS FOR 'SMOKE.' AFTER WE BOTH WERE READY WE PROCEEDED WITH EAP. WHEN WE GOT TO THE NOTE ABOUT THE 13K SWITCH THE DECISION WAS MADE TO TURN OFF THE OXYGEN MASKS, BECAUSE THE 'SMOKE' EXTINGUISHED AND PRESSURIZATION WAS UNDER CTL. THE GUARDED SWITCH WAS IMPROPERLY INSTALLED, AND RESULTED IN MASK DEPLOYMENT. THE DECISION WAS MADE TO RETURN TO DEN.

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.