As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE CHIP LIGHT CAME ON. CHIP PLUGS INSPECTED AND FOUND EXCESSIVE METAL PARTICLES ON BOTH PLUGS. FERRY PERMIT WAS ISSUED BY FSDO FOR FLIGHT FROM MANCHESTER, IA TO CEDAR RAPIDS, IA. ENGINE WAS REMOVED AND SENT IN FOR REPAIR. CAUSE UNKNOWN.