As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INVESTIGATED FLIGHT CREW REPORT OF THE SPEEDBRAKE CNTRL SYS CIRCUIT BREAKER TRIPPING AND NOT RESETTING. DURING TROUBLESHOOTING FOUND AN INTERNAL SHORT IN THE RT FLAP FOLLOW-UP SWITCH ASSY. REPLACED THE RT FOLLOW-UP SWITCH ASSY WITH AN O/H REPLACEMENT EXCHANGE UNIT AND ADJUSTED IAW THE MM. OPS TESTS OF THE SPOILER AND SPEEDBRAKE SYS WERE NORMAL.