As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING A SCHEDULED A-D INSPECTION FOUND SPOILER MIXER ASSEMBLY BOX COVER NOT SEALED. REMOVED COVER AND FOUND CORROSION ON ACTUATOR AND MIXER ASSEMBLY. RECOMMEND THAT THE SPOILER MIXER AREA BE INSPECTED THOROUGHLY THE BOX COVER REMOVED. INSTALLED THE BOX COVER WITH THE APPROPRIATE SEALANT. (K)