As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON THE FIRST FLIGHT OF THE DAY PILOT COULDN`T START THE AC. INSPECTED ENGINE ASSY AND FOUND FUEL COKING AT GAS GENERATOR INJECTION MANIFOLD. REMOVED AND REPLACED INJECTION MANIFOLD ASSY WITH SAME TYPE. ON GROUND RUN, LEAK CHECK OPERATIONAL FLIGHT CHECKED AND FUNCTIONALLY CHECKED GOOD. ALL WORK DONE IAW MM IAW INSTRUCTION MM. (K)