As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) NOSE LANDING GEAR DID NOT RETRACT, ACCOMPLISHED QRH TO GET ALL WHEELS DOWN AND LOCKED AND DIVERTED. CORRECTIVE ACTION: REMOVED AND REPLACED PRIORITY RELIEF VALVE WITH SERVICEABLE UNIT. OPS CHECK GOOD. REF AMM 29-12-05. (TC# 20191003013)