As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE OIL SCAVENGE FILTER CLOG INDICATOR. ACFT GROUNDED. REMOVED & REPLACED THE NR 1 ENGINE OIL SCAVENGE FILTER IAW AMM 79-21-06. INSPECTED OLD OIL SCAVENGE FILTER , NO DEFECTS OR DEBRIS NOTED. RAN THE NR 1 ENGINE AT IDLE IAW AMM 71-00-00-801-F00. LEAK CHECKED GOOD.