As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE WHEN RETRACTING GEAR, NOSE GEAR DID NOT GO UP AND LOCK. RECEIVED GEAR DISAGREE WARNING MESSAGE. COMPLIED WITH QRH AND WARMING MESSAGE WENT AWAY. GEAR CAME DOWN AND LOCKED. RETURNED TO FIELD LANDED NORMALLY. (FLT 7429) CLOSED REMOVED AND REPLACED NLG PISTON AXLE ASSEMBLY IAW AMM. PERFORMED NLG STRUT EXTENSION CHECK AND RETRACTION/EXTENSION CHECK. NO FAULTS FOUND.