As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR WOULD NOT RETRACT, EMERGENCY DECLARED. FOUND NOSE LANDING GEAR STEERING TARGET MISSING ON POST INSPECTION. REPLACED NOSE LANDING GEAR COLLAR AND STEERING TARGET IAW CRJ AMM 32-61-05. OPERATIONAL CHECK GOOD - RETURNED AIRCRAFT TO SERVICE