As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED BLEED 2 LEAK MSG ON EICAS DURING APPROACH INTO DCA. CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT AT DCA. MAINTENANCE TROUBLESHOT PER EMB AMM AND REPAIRED ODS LOOP CH 1 & CH 2, BLEED 2 LEAK MSG CLEARED, AND OPS CHECK GOOD PER EMB AMM.