What was found
ORROSION ON BUSHINGS (7 EA) OF AILERON HINGE 1 (OUTBD), HINGE 2,3, 4 (INBD AND OUTBD) AT LH WING REAR SPAR. AILERON HINGE 1 (OUTBD), HINGE 2,3, 4 (INBD AND OUTBD) AT LH WING REAR SPAR WERE REPAIRED PER REO 690-57-51-298 REV. - & EA 23-C9-57-1242 REV. A