As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED A STAB MIS-COMPARE ANNUNCIATOR ILLUMINATING AFTER TAKEOFF AND ELECTED TO RETURN BACK TO THE AIRPORT AND LAND FOR EVALUATION. THE BASE MAINTENANCE TEAM TROUBLESHOT AND DETERMINED THE AIRSPEED SWITCH HAD FAULTED. THE AIRSPEED SWITCH WAS REMOVED, AND A NEW SWITCH WAS INSTALLED. THIS REPAIR ALSO CLEARED THE HYDRAULIC PRESSURE FAULTED THAT OCCURRED ON THE SAME FLIGHT. OPS CHECKS WERE GOOD, AND THE AIRCRAFT WAS RETURNED TO SERVICE.