What was found
AFTER REMOVAL OF LH AILERON BUSHINGS AN BEARINGS, CORROSION AND WEAR WERE FOUND ON LUG BORE OF L 1, L2, L4, LS AND L6 OF CENTER HINGE FITTINGS OF LEFT AILERON. LUG BORE OF L1, L2, LS AND L6 OF CENTER HINGE FITTINGS OF LEFT AILERON WERE REPAIRED PER PER REO 670-57-61-237 REV--NOTES FAND LUG L4 WAS CLEANED PER CRJ 900 SRM TASK 51-26-00-001-001-A01.