As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4758, CREW REPORTED SPOILER FAIL MESSAGE IN FLIGHT AND THEN HAD DAU 1 WARNING MISCOMP MESSAGE ON EICAS / DECLARED EMERGENCY AND DIVERTED TO. ACFT REMOVED FROM SERVICE. FOUND BROKEN PIN ON LT OTBD SPOILER PROXIMITY SENSOR. REMOVED AND REPLACED SENSOR IAW AMM 27-63-04 AND PERFORMED OPS CHECK IAW AMM 27-63-01. OPS CHECK GOOD. ACFT RETURNED TO SERVICE.