As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT CHIP DETECTOR INDICATOR ILLUMINATED DURING FLIGHT, AT ALL TIMES NO CHANGES TO ENGINE PARAMETERS. REMOVED AND CLEANED SMALL CARBON DEPOSITS FROM CHIP DETECTOR RAN LT ENGINE FOR 30 MINUTES WITH NO LT CHIP DETECT LIGHT ILLUMINATING, OPS CHECKED GOOD.