As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ENROUTE TO AZO,FLIGHT 4169 RECEIVED A LEFT HAND ENGINE HIGH OIL PRESSURE INDICATION, FOLLOWED THE QUICK REFERENCE HANDBOOK AND DIVERTED TO TOL. MAINTENANCE INSPECTED AND CLEA NED THE OIL PRESSURE SENSOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 79-00- 00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE .