As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE CHECK WHILE PERFORMING 10 YEAR CPCP REQUIREMENTS TO THE TRAILING EDGE FLAP CARRIAGES FOUND NR 5 FLAP CARRIAGE OUTER TORQUE TUBE TO BE CORRODED. LEVEL 2. REPLACED WITH SERVICABLE UNIT V/S REPAIR FOR CUSTOMER CONVENIENCE.