As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)AIRCRAFT FLYING IN CRUISE WHEN SMELLED BURNING GREASE AND HEARD A KLUNK. UPON INSPECTION FOUND IDLER PULLEY BEARING FAILURE DUE TO GREASE LEAKING. BEARING FAILURE CAUSED EXCESSIVE HEAT DISTRIBUTION TO REINFORCED IDLER PULLEY SUPPORT BRACKET P/N 269A5575 AND DAMAGE TO IDLER PULLEY P/N 269A5576.