As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, RECEIVED ECAM ELEC CIRCUIT BREAKER TRIPPED AND CIRCUIT BREAKER PAGE MESSAGE APU 5000VU. BITE TEST APU. NO FAULTS. RESET OIL SERVICE CIRCUIT BREAKER. FUNCTIONAL CHECKED OK. LEAK TEST OF APU OIL HEATER OK. NO LEAKS. OK FOR SERVICE.