As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE LOST OIL QUANTITY AND PRESSURE IN FLIGHT. COMMENCED ENGINE SHUTDOWN AT INDICATION OF LOW OIL PRESSURE. T/S SYSTEM. REMOVED AND REPLACED N2 GEARBOX IAW P&W MM 72-60. NO LEAKS NOTED ON ENGINE RUN. TESTED OK IAW P&W MM72-00 AND DHL JRH.