As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER GEAR RETRACTION ON DEPARTURE FROM DEN, NOSE GEAR DID NOT RETRACT (MAIN GEAR RETRACTED NORMALLY) & GOT GEAR DISAGREE WARNING MESSAGE. FLIGHT # 5975 CLOSED. COMPLIED WITH FIM FOR GEAR DISAGREE WARNING MESSAGE. PERFORMED GEAR SWINGS AND EMERGENCY EXTENSION AS REQUIRED WITH NO DISCREPANCIES NOTED. NO TEN DAY HISTORY NOTED FOR A GEAR DISAGREE. AIRCRAFT OKAY FOR CONTINUED SERVICE.