As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS AT LAX AFTER TAKE OFF, NUMBER 5 MAIN TIRE PRESSURE DECREASED SLOWLY TO ZERO. NO DEBRIS FOUND AT LAX TO INDICATE BLOWN TIRE. FLIGHT CONTINUED TO HKG. AN EMERGENCY WAS DECLARED. MAINTENANCE FOUND CUT ON TREAD, PENETRATED ENTIRE TIRE. REMOVED AND REPLACED IAW AMM 32-45-01.