As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE ALTERNATOR ADJUSTING BRACKET BOLT HOLE THAT ATTACHES THE BRACKET TO THE ENGINE WAS FOUND CRACKED ALL THE WAY THROUGH. THE BRACKET WAS ONLY BEING HELD IN PLACE BY THE TENSION OF THE BELT. THERE IS SEVERAL OTHER REPORTS OF CRACKS IN THE BOLT HOLE OF THIS BRACKET ON OUR ENGINES. (TC NR 20070201009)