As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED DUE TO A RT OIL FILTER EICAS MESSAGE INTERMITTENTLY DISPLAYED WITH ASSOCIATED R OIL FILTER STATUS MESSAGE CONTINUOUS. PERFORMED A RT ENGINE MAIN OIL FILTER INSPECTION IAW AMM 79-21-05-216-001-N00. NO DEBRIS DETECTED. INSTALLED A NEW FILTER ELEMENT IAW AMM 79-21-05. AS A PRECAUTION, REPLACED THE RT ENGINE OIL DIFFERENTIAL SWITCH IAW AMM 79-35-01. ENGINE RUNS OK. LEAK CHECKED OK.