As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND SEVERE CORROSION OF THE UPPER RIB PLATE OF THE VERTICAL STABILIZER’S RUDDER TRIM ACTUATOR MOUNT, REPLACED WITH A NEW CESSNA P/N 6961526-5 WET WITH PS870B SEALANT USING NEW HL40-4 HI-LOK PINS WITH NEW HL97DU4 COLLARS AND NAS1097AD4 SOLID RIVETS, REFERENCING TEXTRON MEMO FOR FASTENER SUBSTITUTION.