As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS - EMERGENCY LANDING - ON DESCENT, BSCU 2 FAILED WITH BSCU 1 ON MEL. RESET PROCEDURES USED PER QRH, NO RECOVERY. FLIGHT CREW DECLARED EMERGENCY AND LANDED AIRCRAFT WITHOUT INCIDENT. AIRCRAFT WAS TOWED TO THE GATE AND MAINTENANCE REMOVED AND REPLACED THE NOSE LANDING GEAR UPPER 1M AND 2M ELECTRICAL HARNESS. IN ADDITION, BSCU PART NR C202163382D32, SN 01574 WAS CHANGED AS A PRECAUTIONARY MEASURE. A SUPPLEMENT WILL BE ACCOMPLISHED UPON RECEIPT OF THE BSCU COMPONENT TEARDOWN REPORT FROM THE VENDOR.