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 DECLARED AND THE AIRCRAFT RETURNED TO DFW DUE TO THE FLIGHT CREW REPORTING THAT DURING CLIMBOUT A BLUE HYDRAULIC SYSTEM RESEVOIR LOW LEVEL AND LOW PRESSURE ECAM MESSAGES DISPLAYED. THE AIRCRAFT RETURNED TO DFW WHERE IT LANDED SAFELY AND TAXIED TO THE GATE UNDER ITS OWN POWER. **SUPPLEMENTAL REPORT FOR AALA202412121691: MAINTENANCE REPLACED THE BLUE HYDRAULIC SYSTEM LOW LEVEL SWITCH AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER AMM 29-12-41.** (CLOSED)