As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1264 AUS-BOS, AIR RETURN TO AUS DUE TO DURING CLIMB THE NR 1 BLEED LEAK LIGHT MESSAGE ILLUMINATED FOLLOWED 3 MINS LATER THE NR 2 BLEED LEAK MESSAGE ILLUMINATE. CREW RAN QRH PROCEDURE. TECHNICIAN FOUND BOTH NR 1 AND NR 2 ENGINE PRECOOLER SEAL DAMAGED. PERFORMED REPAIR TO ENGINE 1 AND ENGINE 2 PRECOOLER SEAL PER EC E11-320-01. RAN BOTH ENG REF 71-00-00, NO FAULTS NOTED.