What was found
DURING CRUISE, UPON GEAR RETRACTION, THE CREW RECEIVED AN AMBER CAUTION MESSAGE (STEERING INOPERATIVE) MESSAGE ON THE ED1. THE CREW COMPLIED WITH THE QRH, DECLARED AN EMERGENCY AND THE AIRCRAFT DIVERTED, WHERE IT LANDED SAFELY. MAINTENANCE REMOVED AND REPLACED THE NOSE WHEEL STEERING ECU, AND ALSO RERIGGED THE RT FEEDBACK RVDT. OPS CHECK GOOD. AIRCRAFT OK FOR SERVICE. (K)