As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C CRACK FOUND AFT FASTENER HOLE OF LT O/B AILERON 2ND FROM I/B FIXED W WING HINGE CASTING UPPER O/B FLANGE. REPLACE HINGE ASSY. HINGE ASSY REPLACED IAW SRM 51-30-2, 51-30-5 AND MM 27-10-14, 21-80-01 AND BOEING DRAWING 65-19275. REF NRC 100803 FOR AILERON CONTROL SYS ADJUSTMENT.