As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 600 - RIC - FLIGHT CREW PERFORMED AIR RETURN DUE TO NR 2 BLEED LEAK INDICATION. CREW LANDED ACFT UNEVENTFULLY. RIC MX REMOVED AND REPLACED LEAKING O-RING ON THE BLEED TUBE IN THE PYLON AREA AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.