As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING COMPLIANCE OF SERVICE BULLETIN 505-55-A004 REV 5 MASS BALANCE AND ATTACHMENT PARTS - (INSPECTION, CORROSION FOUND ON ALL BALANCE WEIGHTS. WEIGHTS WERE CLEANED AND TREATED PER SB INSTRUCTIONS. NO FLIGHT CONTROL WEIGHT CHANGES AT THIS TIME.