As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO JFK DUE TO NOSE GEAR RED LIGHT INDICATION. PERFORMED GEAR SWING AND NOTED NOSE GEAR LOCK ACTUATOR WOULD NOT LOCK IN RETRACT POSITION WITH GEAR LEVER IN OFF POSITION. REPLACED NOSE GEAR LOCK ACTUATOR AND ACCOMPLISHED SEVERAL GEAR SWING AND MANUAL EXTENSION. NO SYSTEM FAULT NOTED. ALL INDICATIONS FOUND NORMAL.