As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING GROUND RUN WITH THE LOWER ENGINE COWLING REMOVED, THE ABOVE MENTIONED RELIEF VALVE WAS FOUND LEAKING FUEL. THIS WAS NOT NOTICEABLE WHEN THE COWLING WAS INSTALLED. THIS RELIEF VALVE HAD BEEN INSPECTED FOR S/B 73-5125 AT 1084.7 HOURS WHICH SPECIFIED REPLACEMENT IF IT HAD LESS THAN 1000 HOURS BUT WAS NOT REPLACED. INSTALLED NEW VALVE P/N 5912983 IAW THE ABOVE S/B 73-5125.