What was found
AIRCRAFT RETURNED TO DEPARTURE DUE TO AIR NR 1 ENGINE BLEED FAULT PRIOR TO ENTERING ETOPS AIR SPACE. REPLACED NR 1 ENGINE PRV.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT RETURNED TO DEPARTURE DUE TO AIR NR 1 ENGINE BLEED FAULT PRIOR TO ENTERING ETOPS AIR SPACE. REPLACED NR 1 ENGINE PRV.