As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SPOILER EICAS AND FLIGHT CONTROL SYS STATUS MSSG ON PUSHBACK. REPLACED NR 4 SPOILER PCU, REPLACED ACE L2. ALSO REPLACED COUPLER (HARNESS) B27122 IN P212. ACE L2 LRU RPL TEST AND PRI FLT CONTROL SELF TEST PASSED. CONFIRMED SPOILER OPS AND INDICATION NORMAL, AC OK FOR SERVICE.