As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR FAULT CODE: 326 075 00 AFTER TAKE OFF LANDING GEAR LEVER WAS MOVED TO UP BUT ALL LIGHTS GREEN & RED WERE DISAGREE AND THE GEAR IN DOWN POSITION. QRF. PERFORMED DOOR SWITCH ADJUSTMENT IAW.AMM 32-34-00-420 IN OPERATIONAL TEST IAW.AMM 32-32-00-710-801 NORMAL OPERATION