As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION RT ENGINE FIRE WALL WAS FOUND CRACKED AROUND THE O/B SECTION OF WEB APPROX AT 5 INCHES LONG IN VERT POSITION. BEHIND ATTACH ANGLE FOR COWLING. THEN CRACK TURNS HORIZONTAL GOING I/B APPROX 2.5. REPAIRED DAMAGE AREA BY STOP DRILLING CRACK ENDS AND INSTALLING DOUBLER PER BEECH SRM 51-70-17.