As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - FLIGHT CONTROL - DURING C-08 CHECK GALVANIC CORROSION WAS FOUND ON NR 4 SPOILER HINGE BOLTS WS 924 AND WS 970 LT. MAINTENANCE REMOVED AND REPLACED NR 4 SPOILER HINGE BOLTS IAW AMM SUBTASK 27-64-44-020-050-B, AND SUBTASK 27-64-44-420-050-B.