As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
KLAX - FLT 62063 - LANDING GEAR WARNING HORN REMAINED ON WHEN GEAR HANDLE WAS MOVED TO UP POSITION. RECYCLE OF GEAR - NO HELP AND LANDING GEAR UPLATCH CHECK NORMAL AND FLAPS RETRACTED. FOUND DIRT IN SECONDARY LANDING GEAR WARNING SWITCH LEVER ASSY CAUSING SWITCH TO STICK. CLEANED AS REQUIRED AND OPS TESTED WARNING SYSTEM OKAY PER 27-52-2 AND 32-20-0. (X)