What was found
GEAR WOULD NOT RETRACT, DECLARED EMERGENCY, RETURNED TO FIELD, AND LANDED WITH OUT INCIDENT. CMC SHOWED #2 NOSE GEAR WOW SWITCH FAULTY. REMOVED & REPLACED #2 WOW SWITCH. IAW AMM 32-62-01. PERFORMED LANDING GEAR EXTENTION/RETRACTION TEST. IAW AMM 32-33-00.