As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DECLARED AN EMERGENCY DUE TO EXCESSIVE VIBRATION ON LANDING CONFIGURATION WITH FLAPS TO FULL. DURING WALKAROUND FOUND ACTUATOR FOR LT WING NR 1 SPOILER, WITH EYE END PISTON ROD MISSING SPECIAL BOLT AT NR 1 SPOILER ATTACHMENT BRACKET. AS PRECAUTION R & R LT WING NR 1 SPOILER SERVO CONTROL IAW AMM 27-64-41-400-001-A. OPS AND LEAK CHECKED OK. MISSING HARDWARE WAS LOCATED IN THE AFT WING SECTION BELOW THE PCU.