As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD - INFLIGHT MIA-DCA. CREW REPORTED FLIGHT CONTROL LOW PRESSURE EICAS MESSAGE. EMERGENCY DECLARED FLIGHT DIVERTED IAD LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED FLIGHT CONTROL MODULE PRESSURE SWITCH. SYSTEM GROUND CHECK NORMAL OPERATION.