What was found
CREW REPORTED, LANDING GEAR LEVER/DISAGREEMENT WARNING ON RETRACTION, NOSE GEAR RED HATCHED INDICATION. PERFORMED CHECKLIST, RECYCLED GEAR, GEAR INDICATED NORMAL AFTER RECYCLE. EXTENDED NORMALLY FOR AIR-RETURN LANDING IN NEWARK. MAINTENANCE REMOVED AND REPLACED LANDING GEAR LEVER IAW EMB145 MM 32-32-01. PERFORMED LANDING GEAR OPERATIONAL CHECK MULTIPLE TIMES, OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.