As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: SPEED LIMIT FLAG APPEARS INTERMITTENTLY ON CAPTAIN'S PFD. WHEN THE FLAG APPEARS THE MIN MANEUVERING AMBER BAR DISAPPEARS AS WELL AS THE VERTICAL PORTION OF THE CAPTAIN'S FLIGHT DIRECTOR, WHICH THEN DISENGAGES THE AUTOPILOT. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT DFW. REMOVED AND REPLACED LEFT (AOA)-ANGLE OF ATTACK. PER AMM 34-21-05.