What was found
ON APPROACH INTO HPN CREW OBSERVED ANTI SKID ANNUNCIATION. CREW FOLLOWED AFM CHECK LIST AND LIGHT REMAINED ON. CREW EXTENDED GEAR PRIOR TO LANDING AND LIGHT WENT OUT. CREW CALLED ATC TO INFORM THEM THAT THE ANTI-SKID ISSUE WAS RESOLVED; THEY DID NOT DECLARE AN EMERGENCY BUT ATC CALLED OUT THE EMERGENCY EQUIPMENT AS A PRECAUTIONARY MEASURE. ON-SITE MX FOUND LT GEAR ANTI-SKID TRANSDUCER TO BE THE CAUSE OF THE FAULT INDICATION, TRANSDUCER WAS REPLACED AND ANTI-SKID SYS OPS CHECKED SATISFACTORY. ACFT RETURNED TO SERVICE.