As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON GEAR RETRACTION RECEIVED GEAR DISAGREE AND NOSE DOOR OPEN WARNING MESSAGES AS WELL AS WOW INPUT AND STEERING INOP CAUTION MESSAGE. RETURNED TO GJT. REPLACED NOSE LANDING GEAR PER RII 32-710-1000 AND IAW MM 32-21-01. OPERATIONAL CHECKS GOOD, SN OFF DCL 490-00.