Aircraft equipment problem malfunction mandates an aborted takeoff.

Attributes
ACN	250303
Time
Date	199308
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : stl
State Reference	MO
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Medium Transport, High Wing, 2 Turboprop Eng
Navigation In Use	Other Other
Flight Phase	climbout : takeoff 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 : 240 flight time total : 6800 flight time type : 40
ASRS Report	250303
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : atp pilot : commercial
Experience	flight time last 90 days : 240 flight time total : 8000 flight time type : 450
ASRS Report	250106
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : rejected takeoff flight crew : declared emergency
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

We attempted a takeoff roll at stl airport on 30R. All normal procedures and checklists were used prior to departure. Within 3 to 4 seconds into the takeoff roll the propeller brake light illuminated and takeoff was aborted. The right engine was shut down and taxi back to gate.

Original NASA ASRS Text

Title: ACFT EQUIP PROB MALFUNCTION MANDATES AN ABORTED TKOF.

Narrative: WE ATTEMPTED A TKOF ROLL AT STL ARPT ON 30R. ALL NORMAL PROCS AND CHKLISTS WERE USED PRIOR TO DEP. WITHIN 3 TO 4 SECONDS INTO THE TKOF ROLL THE PROP BRAKE LIGHT ILLUMINATED AND TKOF WAS ABORTED. THE R ENG WAS SHUT DOWN AND TAXI BACK TO GATE.

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.