As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN SELECTING GEAR UP, GEAR DISAGREE. COMPLIED WITH QRH, MESSAGE CLEARED. NORMAL LANDING. NOSE STEERING NORMAL. NOSE GEAR INDICATED DOWN AFTER SELECTING UP, NOSE REMAINED GREEN. AIRCRAFT REMOVED FROM SERVICE. R&R NLG OLEO CENTERED/EXTENDED PROX SENSOR BRACKET REFERENCING AMM 32-21-01. OPS CHECK GOOD AT THIS TIME FOR PROX SENSOR SYSTEM.