As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 2137, AFTER TAKEOFF, ECAM NR 1 AIR BLEED FAULT. RETURNED TO FIELD. EMERGENCY DECLARED. R & R BOTH THE HP VALVE & PRESSURE REGULATING VALVE. PERFORMED BLEED HEALTH MONITERING CHECK IAW MCC REQUEST. OPS CHECKED GOOD IAW AMM 36-11-00.