As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN LEFT WING AILERON CLOSURE RIB BOTTOM FLANGE. ACCOMPLISHED REPAIR / MODIFICATION OF AILERON CLOSURE RIB AT LEFT WING REAR SPAR STATION 1230 PER EA 351892. THIS ACCOMPLISHES BOEING SB B787-81205-SB570027-00.