What was found
AIRCRAFT WAS GROUNDED: AIR INTERRUPTED BACK TO DFW FOR MAINTENANCE, UNRELIABLE FLIGHT SPEED INDICATION. EMERGENCY DECLARED. FLIGHT WAS OVERWEIGHT FOR LANDING. **SUPPLEMENTAL REPORT FOR AALA202303311966: REMOVED AND REPLACED #1 AIR DATA INERTIAL REFERENCE UNIT (ADIRU) PER AMM 34-21-01 (AALA202303311966) AND #1 STALL MANAGEMENT YAW DAMPER (SMYD) COMPUTER PER AMM 27-32-42 (AALA202304185979). ACCOMPLISHED SATISFACTORY HIGH LEVEL LEAK TEST OF CAPTAIN'S PITOT / STATIC SYSTEMS PER AMM 34-11-00.** (CLOSED)