As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE DURING TAKEOFF. RAN QRH AND RETURNED TO FIELD. (FLT#2987) CLOSED TROUBLESHOT IAW FIM. PERFORMED GAP CHECK OF NLG PROXIMITY SENSORS IAW AMM. GAP CHECK GOOD AT THIS TIME. PERFORMED NLG SWING IAW AMM. GEAR SWING GOOD AT THIS TIME, NO DISCREPANCIES NOTED. PERFORMED OP CHECK OF PSS IAW AMM. OP CHECK GOOD AT THIS TIME. BELIEVE ICE TO HAVE ACCUMULATED ON SENSORS DURING TIME OF EVENT. A/C HAS SPENT NIGHT IN HANGAR, NO ICE NOTED, NO FURTHER FAULTS AT THIS TIME.