As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - LANDING GEAR FAILED TO EXTEND ON INITIAL ATTEMPT. CREW ACCOMPLISHED GEAR EXTENSION USING ELECTRICAL OVERRIDE PROCEDURES. AIRCRAFT LANDING WITHOUT INCIDENT. MAINTENANCE REPLACED NOSE LANDING GEAR 'A' SYSTEM UPLOCK PROXIMITY SENSOR. LANDING GEAR EXTENSION AND RETRACTION OPERATIONAL CHECK NORMAL DURING GEAR SWING. AIRCRAFT RETURNED TO SERVICE. (M)