As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT THE AIRBRAKE, OPEN, INDICATION ANNUNCIATION REMAINED ILLUMINATED WITH AIRBRAKES IN THE SHUT POSITION. THE POSITION INDICATOR CB WAS TRIPPED. TROUBLESHOOTING OF THE AIRBRAKE INDICATOR CIRCUIT FOUND THE RT AIRBRAKE MICRO-SWITCH TO BE SHORTING OUT TO THE SWITCH CASE PN 1322ZMK3. A NEW SWITCH WAS INSTALLED & RIGGED. OPERATIONS CHECKED SATISFACTORY. THE ACFT WAS RETURNED TO SERVICE.