As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE, RECEIVED STEERING INOP MSG FOLLOWED QRH AND MSG WOULD NOT EXTINGUISH. DECLARED EMERGENCY, LANDED IAD TOWED BACK TO GATE. (EMERGENCY DECLARED -- EQUIPMENT STANDING BY) R & R ELECTRO HYD MODULE IAW AMM 32-51-15. PERFORMED OPS CHECK IAW AMM 32-51-10. OPS AND LEAKS CHECK GOOD. DEFER CLEAR PLACARD REMOVED. (CLOSED)