As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF FROM RDU GEAR WOULD NOT RETRACT UNLESS OVERRIDE USED. FOUND LOOSE CONNECTOR ON RT MLG NR 2 WOW SWITCH. RESECURED CONNECTOR AND PERFORMED EXT/RETRACTION OPS CHECKS IAW EMB AMM 32-30-00. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.