As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FUEL PRESSURE CAUTION LIGHT ON #2 ENGINE DURING OPERATIONS LED TO INVESTIGATION OF THE #2 ENGINE HYDRO MECHANICAL FUEL CONTROL UNIT (HMU), WHICH WAS FOUND TO HAVE AN EXTERNAL LEAK. THE HMU WAS REPLACED AND THE ENGINE WAS GROUND RUN SERVICEABLE.