As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PUSHBACK, FLIGHT CREW NOTED A LEVEL 2 ALERT 'NR 2 ENGINE OIL PRESSURE LOW'. FLIGHT CREW ELECTED TO RETURN TO GATE FOR CORRECTIVE ACTION. AIRCRAFT RETURNED TO GATE WITHOUT INCIDENT. MAINTENANCE FOUND NO OIL LEAKS ON NR 2 ENGINE. RESET ELECTRICAL POWER CONTROL UNIT IN CFDS. RESTART NR 2 ENGINE. NO ALERTS FOUND, CHECKED NORMAL. AIRCRAFT RETURNED TO SERVICE. (X)