As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATTEMPTED TO RETRACT LANDING GEAR, BOTH A AND B RED LIGHTS REMAINED ON FOR RIGHT MAIN GEAR. CYCLED GEAR AND ALL GREEN AND RED LIGHTS FOR RIGHT GEAR REMAINED ON. RETURNED TO LAX FOUND OUTBOARD RIGHT MAIN LANDING GEAR DOOR HINGE BROKEN. REPLACED HINGE WITH NEW UNIT AND SWUNG LANDING GEAR. OPS CHECKS GOOD.