Captain reported a master warning activation and executing a rejected takeoff.

Attributes
ACN	1760589
Time
Date	202009
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Tower
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Light Transport Low Wing 2 Turbojet Eng
Operating Under FAR Part	Part 91
Flight Phase	Takeoff
Route In Use	Vectors
Flight Plan	IFR
Component
Aircraft Component	Autoflight System
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine
Experience	Flight Crew Last 90 Days 30 Flight Crew Total 5000 Flight Crew Type 100
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

Rejected take off above 60 knots. Afc's light came on on the master warning system; returned to the maintenance facility to be checked out by maintenance.

Original NASA ASRS Text

Title: Captain reported a Master Warning activation and executing a RTO.

Narrative: Rejected take off above 60 knots. AFC's light came on on the master warning system; returned to the maintenance facility to be checked out by Maintenance.

Data retrieved from NASA's ASRS site 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.