As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CORROSION ON LH WING INBD FLAP UNDER SEAL RETAINER ON INBD SUPPORT RIB. GROUNDED - YES. COMPLIED WITH EA # CMPT-57EA-01989 REV: 00 TITLE: LH WING INBOARD FLAP, RIB1 ASSEMBLY LOWER FLANGE OUTER LOWER SURFACE CORROSION DAMAGE - REPAIR CATEGORY A