As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK PDT: FUEL FLOW INDICATING ERRATIC ON CLIMB OUT. TORQUE ITT AND NG DID NOT FOLLOW FUEL FLOW CHANGES. AS A PERCAUTION PILOT ELECTED TO RETURN TO BASE. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED FUEL FLOW INDICATOR. AIRCRAFT RETURNED TO SERVICE. (K)