What was found
During Flight #3185, RH Buss failed inflight. FO's Efis Displays (both) went blank. Maintenance replaced RH PDU then Buss failed again. Maintenance replaced LH PDU, and replaced Relay 72 PC. See 409 #080284 for details.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
During Flight #3185, RH Buss failed inflight. FO's Efis Displays (both) went blank. Maintenance replaced RH PDU then Buss failed again. Maintenance replaced LH PDU, and replaced Relay 72 PC. See 409 #080284 for details.