What was found
SEA - DURING C-CHECK, FOUND LEFT OUTBOARD FLAP TRACK NR 2 CORRODED FROM UPPER SURFACES AT REAR SPAR, SHIM NOT SEALED PROPERLY. REMOVED AND REPLACED IAW MM. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SEA - DURING C-CHECK, FOUND LEFT OUTBOARD FLAP TRACK NR 2 CORRODED FROM UPPER SURFACES AT REAR SPAR, SHIM NOT SEALED PROPERLY. REMOVED AND REPLACED IAW MM. (M)