As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 100-HOUR INSPECTION, FOUND FIREWALL CRACKED AT THE LEFT LOWER COWLING SHOCK MOUNT BRACKET ADJACENT TO THE BATTERY TRAY. CRACK WAS PATCHED IAW CESSNA 5898-53-02. IT EXTENDED VERTICALLY FROM SHOCK MOUNT BRACKET ATTACH RIVET HOLES.