As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE AT FL 260 NOSE GEAR RED A LIGHT ILLUMINATED. WHEN LANDING GEAR WAS RECYCLED IT EXTENDED NORMALLY; HOWEVER, WHEN RETRACTED BOTH RED A & B LIGHTS REMAINED ILLUMINATED AND VIBRATION AND NOISE WERE NOTICEABLE. GEAR EXTENDED NORMALLY. ADJUSTED NOSE LANDING GEAR ACTUATING CYLINDER IAW EMB120 MM 32-32-11. PERFORMED OPERATIONAL CHECK IAW EMB120 MM 32-30-00. OPS CHECK GOOD.