As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT REPORTED A ROUGH RUNNING ENGINE DURING FLIGHT. DURING THE COURSE OF MAINTENANCE CHECKS IT WAS FOUND THAT THE ELECTRIC FUEL PUMP WAS NOT PUTTING OUT THE REQUIRED PRESSURE AS INDICATED BY MFG SID97-3F. A SERVICEABLE PUMP WAS INSTALLED AND ACFT RUNS AND TEST FLIGHT CARRIED OUT WITH NO FURTHER FAULTS.