What was found
ANC-LCK - EN ROUTE, THE NR 3 ENGINE EDP/ADP PRESSURE LIGHT ILLUMINATED. CREW FOLLOWED COCKPIT OPERATING PROCEDURE AND FLIGHT DIVERTED TO ORD. REPLACED THE NR 3 ENGINE DRIVEN PUMP LOW PRESSURE SWITCH AND CHECK WAS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ANC-LCK - EN ROUTE, THE NR 3 ENGINE EDP/ADP PRESSURE LIGHT ILLUMINATED. CREW FOLLOWED COCKPIT OPERATING PROCEDURE AND FLIGHT DIVERTED TO ORD. REPLACED THE NR 3 ENGINE DRIVEN PUMP LOW PRESSURE SWITCH AND CHECK WAS NORMAL.