As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C CHECK, RT W 22 V/C FLAP I/B ROTARY ACTUATOR MOUNTING RIB MOUNT BOLT HOLE SURFACE CORROSION REVEALED AT ALL MOUNT HOLES AND BORES. (RHW OLES 1205) RT W 22 V/C FLAP I/B ROTARY ACTUATOR RIB REPAIRED AS PER RS R57-41-34900 & EO B747-5740-17619-A. ROTARY ACTUATOR R + I PER MM 27-81-07 RIGGING AND OPERATION CHK C/OUT PER MM 27-81-00 EO B747-5740-17619-A ACCOMPLISHED.