As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 3080, SDF TO LGA. JUST AFTER TAKEOFF CREW RECEIVED AN EL BLEED LEAK MESSAGE. THE PROPER QRH CHECK LISTS WERE RUN WHILE THE AIRCRAFT PREPARED TO RETURN TO SDF. THE AIRCRAFT LANDED WITHOUT INCIDENT. WHILE INSPECTING THE NR 1 BLEED SYSTEM, MAINTENANCE FOUND THE CLAMPS ON THE PRSOU LOOSE. THE CLAMPS WERE TIGHTENED AND THE BLEED SYSTEM OPERATED NORMALLY. (A)