As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SCREWS THAT RETAIN BEARING IN PULLEY END OF HOUSING BACKED OUT. THIS ALLOWED ENTIRE SHAFT PULLEY AND FAN TO SHIFT BACK IN HOUSING UNTIL FAN BLADES CONTACTED HOUSING. ONE BLADE SEPARATED FROM HOUSING AND MADE A HOLE IN COWLING. AIRCRAFT LANDED SAFELY. SMOH: 40 HOURS.