As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RUDDER LH SIDE SURFACE HAS SIGNS OF CORROSION NEAR FWD SIDE OF STATIC WICK BASE 3RD FROM THE TOP. GROUNDED - YES. REPAIRED DAMAGE SKIN ON L/H SIDE OF RUDDER BENEATH CONDUCTIVE FRAME & REPLACED DAMAGED CONDUCTIVE FRAME IAW ASA EA# CMPT-55EA-26012. PERORMED CALCULATED BALANCE PROCEDURE, NEW CBM IS +521.088, WITHIN ALLOWABLE LIMITS. THIS REPAIR IS A CAT "A" REPAIR.