As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS - FLT 0724 - THE NR 1 ENGINE OIL FILTER CLOG LIGHT ILLUMINATED, ACCOMPANIED BY A LOSS OF OIL WHILE IN-FLIGHT. THE AIRCRAFT WAS RETURNED TO LAS WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND LINE TO LOW OIL PRESSURE SWITCH CRACKED. THE LINE WAS REMOVED AND REPLACED. LEAK AND OPERATIONAL CHECKS WERE GOOD. (X)