What was found
PILOT MADE AN AIR TURN BACK TO DEN DUE TO ENGINE NR 2 AIR BLEED FAULT. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE PRESSURE REGULATOR VALVE ASSEMBLY IN ACCORDANCE WITH A319 AMM 36-11-52-400-042.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PILOT MADE AN AIR TURN BACK TO DEN DUE TO ENGINE NR 2 AIR BLEED FAULT. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE PRESSURE REGULATOR VALVE ASSEMBLY IN ACCORDANCE WITH A319 AMM 36-11-52-400-042.