As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE INVESTIGATING PILOT REPORT OF SPEED BRAKES. FAILURE TO DEPLOY IN FLIGHT. FOUND LT HAND FORWARD FLAP CABLE CORRODED INTO TWO PIECES INSIDE SWAGED TERMINAL. CABLE SHOWED SLIGHT TO NO VISIBLE INDICATION OF CORROSION ON THE OUTSIDE OF SWAGED TERMINAL, NO REPORT OF ANY FLAP SYSTEM PROBLEMS.