What was found
AFTER RETRACTING THE LANDING GEAR AFTER TO, THE GEAR KEPT TRYING TO COME UP AND DROPPING DOWN. WHEN THE GEAR WAS PUT BACK DOWN, THE MAINS CAME DOWN AND LOCKED AND SHORTLY AFTER THAT WE GOT A AMBER CAS MESSAGE THAT SAID WOW MISCOMPARE ALONG WITH A RED GEAR UNLOCK LIGHT. WE BELIEVED THE NOSE GEAR WAS STILL IN THE WHEEL WELL BECAUSE THE WIND NOISE WAS DIFFERENT. AFTER MUCH DISCUSSION WE DECIDE TO TRY ONE LAST TIME TO RAISE THE GEAR AT THIS POINT WE FOUND THE GEAR HANDLE LOCKED IN THE DOWN POSITION WITH NO IDEA WHAT POSITION THE NOSE GEAR WAS IN, WE JUST KNEW IT WAS UNSAFE. PERFORMED EMERGENCY GEAR EXTENSION, NLG WAS UNSUCCESSFUL. LANDED WITH NLG UP AND BOTH MLG DOWN AND LOCKED.