As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT OIL FILTER STATUS MESSAGE. STATUS MESSAGE ON ENGINE START SUSPECT EXTREME COLD CONDITIONS CAUSED MESSAGE. ALL TEMPS AND PRESSURES NORMAL, NON BY-PASS CONDITION. MESSAGE CLEARED AFTER NORMAL TEMPERTURE RANGE ACHIEVED REF AMM 79-35-00. CHIP DETECTOR CLEAN. LEAK CHECKED GOOD.