As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED FUEL LEAKING OUT OF NR 1 ENGINE DRAIN. MAINTENANCE OPENED COWLING AS NECESSARY OBSERVE FOR LEAKS, DISCONNECTED COMPONENT DRAIN LINES AT OV FUEL FILTER AND PRESSURE DIFFERENTIAL SWITCH WHILE RUNNING BOOST PUMP. ISOLATED LEAK TO FUEL PRESSURE DIFFERENTIAL PRESSURE SWITCH. REMOVED AND REPLACED SWITCH IAW SAAB MM 73-31-05-02. OPERATED BOOST PUMP WITH NO LEAKS. (M)