As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER REMOTION OF BUSHINGS OF LT AILERON, CORROSION ON HOUSING OF LUGS : CENTER LUGS L1, L2, L3, L4,L5 L6 ALSO ON HINGE 4 UPPER AND LOWER HOUSING LUGS AT LT AILERON. HOUSINGS WERE CLEANED PER CRJ 900 SRM 51-26-00-001-001-A01 AND REPAIRED PER REO: 670-57-61-237 REV -.