As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON BRINGING GEAR HANDLE UP GEAR DID NOT RETRACT. PARKING BRAKE SOV AND INBOARD ANTISKID CAUTION ILLUMINATED. COMPLIED WITH QRH. RETURNED TO FIELD. (FLT 4042) CLOSED REMOVED AND REPLACED THE LANDING GEAR LEVER ASSY IAW AMM. ALL OPS CHECKS GOOD. JACKED THE AIRCRAFT AND PERFORMED GEAR EXTENSION AND RETRACTION TEST IAW AMM.