As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4936 - JAX - FLIGHT CREW REPORTED NR 1 BLEED LEAK ON CLIMB. CREW PERFORMED AIR RETURN AND LANDED SAFELY. MX REMOVED AND REPLACED SEVERAL O-RINGS FWD OF LAV NR 1 BLEED SIDE AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.