DHC8 engine gradually lost power. Emergency declared. Returned for uneventful landing.

Attributes
ACN	441949
Time
Date	199906
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : phx.airport
State Reference	AZ
Altitude	msl single value : 12000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : p50.tracon
Operator	common carrier : air carrier
Make Model Name	Dash 8 Series Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	climbout : initial
Route In Use	departure sid : egul.3
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 200 flight time total : 6250 flight time type : 600
ASRS Report	441949
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
Events
Anomaly	aircraft equipment problem : critical other anomaly other other spatial deviation
Independent Detector	other flight crewa other flight crewb
Resolutory Action	controller : issued new clearance flight crew : landed in emergency condition flight crew : declared emergency
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

During climb out through approximately 12000 ft on flight phx-tex, the #2 engine gradually lost power. Engine was secured and return to airport was initiated. An emergency was declared and the rest of the flight, including the landing, was uneventful.

Original NASA ASRS Text

Title: DHC8 ENG GRADUALLY LOST PWR. EMER DECLARED. RETURNED FOR UNEVENTFUL LNDG.

Narrative: DURING CLBOUT THROUGH APPROX 12000 FT ON FLT PHX-TEX, THE #2 ENG GRADUALLY LOST PWR. ENG WAS SECURED AND RETURN TO ARPT WAS INITIATED. AN EMER WAS DECLARED AND THE REST OF THE FLT, INCLUDING THE LNDG, WAS UNEVENTFUL.

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.