As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OUTPUT HSG CRACK LINE MX WAS DOING A ROUTINE INSP ON ENGINE, WHEN ONE OF THE MECHANICS NOTICED A CRACK ON THE SIDE OF THE ACCY DRIVE HSOUSING. THE TURBINE SHOP WAS NOTIFIED OF THE ISSUE AND UPON FURTHER INSP, THE ENG WAS DETERMINED TO HAVE TO COME OFF TO BE REPLACED. THE ENGINE WAS REPLACED AND THE ACFT WAS PUT BACK INTO SERVICE. THE ENGINE WAS FORWARDED TO THE TURBINE SHOP FOR REPAIR.