As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C RIGHT WING 20VC FLAP I/B ARM O/B RIB I/B FACE AT ROTARY ACTUATOR AFT AREA FOUND CRACKED, CRACK LENGTH .5 INCH. RIGHT WING 20VC FLAP I/B ARM O/B RIB I/B FACE REPAIRED AS PER HX RS R57-41-35254 WITH CRACKED AREA TRIMMED OFF & INSPECTED BY NDT. NO CRACK FOUND & EO B747-5740-21781-A.