A light turboprop transport rejected takeoff due to los of power on the left engine. Cause unknown.

Attributes
ACN	510894
Time
Date	200105
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : iad.airport
State Reference	VA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	tracon : sct.tracon
Operator	common carrier : air taxi
Make Model Name	Medium Large Transport
Operating Under FAR Part	Part 135
Flight Phase	ground : takeoff roll
Flight Plan	IFR
Person 1
Affiliation	company : air taxi
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 175 flight time total : 3150 flight time type : 1600
ASRS Report	510894
Person 2
Affiliation	company : air taxi
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : left engine torque ind. other flight crewa other flight crewb
Resolutory Action	flight crew : rejected takeoff
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

After being cleared for takeoff, the advancement of the power levers was initiated. Shortly thereafter, the left engine torque indication dropped to 0%. We immediately aborted the takeoff. We cleared the runway and returned to the gate uneventfully.

Original NASA ASRS Text

Title: A LIGHT TURBOPROP TRANSPORT REJECTED TKOF DUE TO LOS OF PWR ON THE L ENG. CAUSE UNKNOWN.

Narrative: AFTER BEING CLRED FOR TKOF, THE ADVANCEMENT OF THE PWR LEVERS WAS INITIATED. SHORTLY THEREAFTER, THE L ENG TORQUE INDICATION DROPPED TO 0%. WE IMMEDIATELY ABORTED THE TKOF. WE CLRED THE RWY AND RETURNED TO THE GATE UNEVENTFULLY.

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.