As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A 100-HOUR INSPECTION, NOTED FUEL WAS LEAKING FROM PUMP DRAIN TUBE. OPERATION OF THE PUMP RESULTED IN A STEADY FLOW OF FUEL FROM THE DRAIN. A CHECK OF SISTER PLAN N93AF, 17280073, PRODUCED SIMILAR DEFECT. PUMPS ON BOTH PLANES HAVE BEEN REPLACED WITH NO FURTHER LEAKS. A THIRD 172R WAS MENTIONED IN AN FBO AS TO HAVING THE SAME PROBLEM.