As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 7582 DAY-IAD, L OIL ENG PRESS ILLUMINATED ON CWP INTERMITTENTLY, ACCOMPANIED BY LEFT ENGINE OIL PRESSURE GAUGE FLUCTUATING APPROXIMATELY 30-50 PSI. AIRCRAFT DIVERTED TO PIT. INSPECTED NR 1 ENGINE AND SERVICED WITH 2.5 QTS OIL. GROUND RAN, NO LEAKS NOTED.