As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON DEPARTURE LEFT ENGINE OIL PRESSURE INDICATED 26 POUNDS PER SQUARE INCH. IN CRUISE INSTANTANEOUS FLUCTUATION TO 70 PSI. N1 READING 94.5 PERCENT. NO EICAS (ENGINE INDICATION AND CREWS ALERT) MESSAGE. #1 DATA CONCENTRATION UNIT REPLACED.