As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) RIGHT ENGINE IDLER PULLEY TOP MOUNT BRACKET CRACKED UNDER THE LOCKWIRE. THE IDLER PULLEY WAS ALSO MOUNTED ON THE INCORRECT SHAFT (PN 19760) INSTEAD OF THE CORRECT PN LW-19237 CAUSING APPROXIMATELY 2.54 MM (0.1 INCH) MISALIGNMENT OF THE ALTERNATOR BOLT.