What was found
DFW T1052/09 EN ROUTE IAH-DFW ALL PRIMARY FLIGHT INSTRUMENTS INOPERATIVE. NR 2 GYRO IN 30 DEGREES TURN CONTINUED TO ROTATE AT ONE POINT NR 1, NR 2 AND STANDBY ALL SHOWED HEADINGS THAT WERE 30 DEGREES MINIMUM APART. LANDED DFW WITHOUT INCIDENT. REPLACED NUMBER 1 AND 2 DIRECTIONAL GYROS AND CAPTAINS RADIO DIRECTION MAGNETIC INDICATOR. SYSTEM GROUND CHECKED NORMAL OPERATION. CLOSED