As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT EXPERIENCED 3 CHIP LIGHTS WITHIN 50 HOURS. AIRCRAFT GROUNDED PER ALLISON MM. UPON INVESTIGATION FOUND NR 1 BEARING CAGE BROKEN INTO PIECES AND BEARING FELL APART. SIMPLE MECHANICAL FAILURE THAT COULD HAVE CAUSED ENGINE FLAME-OUT.