As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE INSPECTION FOUND STIFFENER BETWEEN LEFT BEAM AND PASSENGER DOOR AT FRAME 17-18 TO BE CORRODED. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED STIFFENER BETWEEN LEFT BEAM AND PASSENGER DOOR IAW SRM 51-40-02. AIRCRAFT RETURNED TO SERVICE.