As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY C-CHECK AT TIMCO/OSC, THE FOLLOWING DISCREPANCY WAS FOUND. CORROSION FOUND ON LOWER WING SKIN INSIDE OF RIGHT HEAT EXCHANGER PLENUM AREA, STATION 852, RBL 31. REPAIRED IAW TIMCO REO S00077. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)