As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE TO MSP, LANDING GEAR DID NOT RETRACT NORMALLY ON FIRST ATTEMPT. LANDING GEAR RETRACTED FOLLOWING COM PROCEDURES. REMOVED AND REPLACED LANDING GEAR ACCESSORY UNIT AND PERFORMED SUCCESSFUL GEAR SWING PER B727 MM 32-30-00, 32-32-00.