As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING GEAR RETRACTION ALL THREE GEAR (GREEN) LIGHT EXTINGUISHED, HOWEVER THE UNLOCK LIGHT REMAINED ON FOR 15-20 SECONDS. AIR NOISE ACCOMPANIED UNLOCK LIGHT. UNABLE TO DETERMINE IF GEAR WAS OUT OF DOORS. ITEM IS UNDER INVESTIGATION.