As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CLIMB POWER-RT FUEL FLOW DROPPED TO 90 PPH. AUX PUMP ON LOW FIXED PROBLEM TEMPORARILY. FUEL FLOW DROPPED AGAIN AND LT ENGINE SURGE. RETURNED TO DEPARTURE AIRPORT AND LANDING WITHOUT INCIDENT. MX REMOVED AND REPLACED LT FUEL SELECTOR VALVE. ALSO REPLACED AUX FUEL PUMP AND CROSSFEED VALVE AS A PRECAUTIONARY MEASURE. (A)