As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - ON FLIGHT 2469, AT FL250 MASTER WARNING NR 1 OIL PRESSURE LIGHT CAME ON. SECURED ENGINE PER E/A CHECKLIST. MAINTENANCE REMOVED AND REPLACED NR 1 ENGINE, NR 1 PROP ASSY, NR 1 AC GENERATOR, NR 1 OIL COOLER. ALL OPERATIONAL AND LEAK CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.