As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY: ON T/O LANDING GEAR WOULD NOT RETRACT, USED HANDLE RELEASE BUTTON - NOSE GEAR DID NOT RETRACT. CORRECTIVE ACTION: CLEANED AND ADJUSTED LANDING GEAR PROXIMITY SWITCHES IAW MD-11 AMM 32-01-15. LANDING GEAR OPS CHECK GOOD IAW MD-11 AMM 32-31-00. NO COMPONENTS WERE CHANGED.