As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON GEAR RETRACTION, A LT RED, NOSE YELLOW, AND RT YELLOW GEAR ADVISORY LIGHTS ILLUMINATED. PUMP RAN CONTINUOUSLY AND LT MAIN GEAR DID NOT RETRACT. FLIGHT WAS COMPLETED WITH LANDING GEAR EXTENDED. LEFT MLG UPLOCK PROXIMITY SENSOR ADJUSTED IAW MM 32-30-26, GEAR SWING OPS CHECKED GOOD.