As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS - THE CREW REPORTED A BLEED 2 LEAK INDICATION AFTER TAKEOFF AND ELECTED TO RETURN TO TYS WHERE THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE O-RINGS AT THE NR 8 AND NR 10 POSITIONS TO BE LEAKING. THE O-RINGS WERE REPLACED AND THE DISCREPANCY WAS CLEARED.