As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 4112 - CREW REPORTED ENGINE TWO BLEED LEAK LIGHT CAME ON AFTER TAKEOFF. CREW RETURNED AIRCRAFT TO ORD. MAINTENANCE REPLACED O-RINGS AT COUPLING UNDER AFT PASSENGER SEAT NEAR THE LAVATORY. OPS CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)