As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR RETURN GEAR DISAGREE MASTER WARNING, PERFORMED QRH LIFT OFF POSITIVE CLIMB AT 160 KNOTS 0004Z NOSE GEAR DID NOT RETRACT, IT REMAINED DOWN ENTIRE TIME. REPACKED NOSE GEAR AND INSTALLED NEW CAM LOCKING PINS. OPS AND LEAK CHECK GOOD AND SWING SATISFACTORY. ALL OK FOR SERVICE. REF CRJ MM 32-20-04 AND 32-33-00. (M)