As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT & CREW WAS ON A PATIENT TRANSFER FLIGHT WHEN THE ENG CHIP LIGHT ILLUMINATED. PILOT WAS FLYING DIRECTLY OVER MARSHALL, TX AIRPORT & MADE AN IMMEDIATE LANDING WITHOUT ANY FURTHER ISSUES. PULLED BOTH UPPER & LOWER CHIP DETECTORS & FOUND FLAKES & CHUNKS THAT MEASURED AROUND .0625 INCHES. THIS EXCEEDS THE .032 INCHES IAW M250-C47B, 72-00-00, 8 E 2 B. ENG CHANGE IN PROGRESS.