As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REDUCED POWER TO LAND, LT ENGINE ROLLED BACK TO IDLE. PILOTS DECLARED EMERGENCY AND LANDED. ACFT SERVICES OUT WENT OUT ON A ROAD TRIP AND REPLACED THE FUEL CONTROLLER WITH AN O/H PART. THAT PART FAILED IN THE SAME MANNER THE FLIGHT BACK FROM REPAIR ON FINAL APPROACH TO OUR HOME BASE. TROUBLESHOT TO A FAULTY FUEL CONTROL.