As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT CALLED IN AN AMBER CHIP LIGHT JUST AFTER LIFT OFF AND RETURNED TO BASE. INSPECTED ENGINE CHIP PLUGS AND FOUND A SMALL PIECE OF MATERIAL IDENTIFIED AS A SMALL BLACK PARTICLE OF CARBON WHICH IN THE MAINTENANCE MANUAL PLACES IT AS CATEGORY ONE. CLEANED CHIP PLUG AND PLACED AIRCRAFT BACK INTO SERVICE IAW MM.