As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE CHIP LIGHT AFTER TAKEOFF. WARNING LIGHT DID NOT EXTINGUISH, LANDED AT DOWNTOWN STL BASE, CALLED MECHANIC. MECHANIC FOUND METAL FLAKES ON LOWER ELECTRIC CHIP PLUG, AND NUMEROUS CHIPS/FLAKES IN OIL FILTER. TROUBLE SHOOTING FLOW CHART INDICATED MOCULE REPLACEMENT. ENGINE MUST BE EXAMINED TO DETERMINE SPECIFIC COMPONENT CAUSING DIFFICULTIES.