As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SCHEDULED MAINTENANCE INSPECTION, A CRACK WAS FOUND ON THE L/H ENGINE INBOARD PLENUM PANEL AFT SIDE MIDDLE STIFFENER. A TEMPORARY REPAIR WAS PERFORMED ON THE L/H ENGINE INBOARD PLENUM PANEL PER TEXTRON DOCUMENT REF: DQ43349M1. REPLACED THE PANEL IAW CESSNA 408 SRM 51-40-11 AND 408 IPC 54-10-25-01.