As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF LEFT AND RIGHT AND GEAR DOOR OPEN LIGHTS REMAIN ON. ABNORMAL CHECK LIST CARRIED OUT AND RETURNED. LANDING EXTEND AND ALL INDICATION WERE NORMAL. NORMAL LANDING CARRIED OUT SKBO. GEAR LOCK PINS WERE FOUND INSTALLED ON BOTH MAIN LANDING GEAR. IAW TASK CARD 0003 AV NUMERAL 1D WERE REMOVED GEAR LOCK PINS.