What was found
LEFT ENGINE OIL LIGHT ILLUMINATED IN FLIGHT, LT OIL PRESSURE DECREASED BELOW 30 PSI. RETURNED TO DEPARTURE, LANDED SAFELY. TORQUED COUPLING NUT AT PGB BRACKET UNION AT 1300 IN LBS ENGINE RUNS. OPS AND LEAK CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT ENGINE OIL LIGHT ILLUMINATED IN FLIGHT, LT OIL PRESSURE DECREASED BELOW 30 PSI. RETURNED TO DEPARTURE, LANDED SAFELY. TORQUED COUPLING NUT AT PGB BRACKET UNION AT 1300 IN LBS ENGINE RUNS. OPS AND LEAK CHECK GOOD.