What was found
THE FLIGHT CREW REPORTED THAT AFTER TAKEOFF RECEIVING A FLIGHT CONTROL Q-UNIT ANNUNCIATOR, THEY INDICATED THAT THE ANNUNCIATOR REMAINED ILLUMINATED FOR SEVERAL MINUTES AND THEN EXTINGUISHED. THE FLIGHT CONTINUED WITHOUT ANY FAULTS. THE MAINTENANCE VENDOR DETERMINED THAT THE PITCH ARTHUR BELLCRANK WAS DEFECTIVE AND WAS REMOVED AND A REPAIRED UNIT WAS INSTALLED. OPS CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.