As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED TO PLATFORM DUE TO DURING TAXING, THE RT ENG OIL FILTER BY PASS LIGHT TURNED ON & THE LT ENG CONTROL LIGHT TURNED ON. PERFORMED BITE TO EEC IAW AMM 73-21-00, SHOWING RT ENG FAILURE CODE 73-31072 & LT ENG FAILURE CODE 73-31321, THE ACFT WAS SENT TO HANGAR & RT ENG MAIN FUEL FILTER & THE FILTER DIFFERENTIAL PRESS SWITCH WERE REPLACED IAW AMM 73-34-01 & AMM 73-21-02 & LT EEC WAS REPLACED IAW FIM 73-22 TASK 803, TESTED CORRECT.