As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK ON CLIMB OUT AT 5000€™, ECAM: #1 ENG BLEED LEAK. (#2 ENG BLEED DEFERRED) UNABLE TO MAINTAIN PRESSURIZATION, RESULTED IN AIR TURN BACK. COMPLETED REMOVAL OVER DUCT AND BEGAN INSTALLATION OF NEW DUCT REF AMM 36-11-00/401. COMPLETED INSTALLATION OF NEW DUCT STARTING FROM STEP 5.C.(9) TO COMPLETION PER AMM 36-11-00/0401. OPS AND LEAK CHECK GOOD AT THIS TIME.