As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED ENG 1 FRBTL B FAIL & ENG 2 FRBTL B FAIL MESSAGES. AIRCRAFT REMOVED FROM SERVICE. C/W E175 FIM TASK 26-21-00-810-810-A FAULT MSG ON EICAS EXTINGUISHED NO DEFECTS FOUND FAULT WAS TRANSITORY. RETURNED TO SERVICE. NO PARTS REPLACED.