As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE WARNING. NOSE GEAR DID NOT RETRACT. FOLLOWED QRH AND USED THE EMERGENCY EXTENSION SYS TO GET THE GEAR DOWN. LANDED WITH NO INCIDENT. RETURNED TO FIELD. RE-ROUTED AND ALIGNED NOSE GEAR HARNESS AND CLEANED ALL SENSORS AND TARGETS IAW AMM, OPS CHECKS GOOD.