What was found
LEFT WING NR 4 FLAP TRACK LOWER FLANGE CORRODED AT LOCATION X4. REPAIRED FLANGE IAW CMM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT WING NR 4 FLAP TRACK LOWER FLANGE CORRODED AT LOCATION X4. REPAIRED FLANGE IAW CMM.