As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL - FLT 2 - EN ROUTE PHL-FCO, THE RIGHT ENGINE HIGH PRESSURE BLEED BECAME INOPERATIVE. AT VARIOUS POWER LEVELS AND ALTITUDES THE BLEED SYSTEM RETURNED TO NORMAL. FLIGHT RETURNED TO PHL AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE PRV. (M)