As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CRACK FOUND ON UPPER LEFT HAND FIRESHIELD ATTACH BRACKET. CRACK STARTED IN BRACKET AND INTO MOUNT TUBING. CRACK IN TUBING WAS .6250 INCH LONG AND PROCEEDING IN LONGUTUDINAL DIRECTION. THIS IS AN EARLY STYLE DESIGN. LATER MOUNTS HAVE A BOLT ON BRACKET WHICH ELIMINATES THIS PROBLEM.