As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SPOILERS EICAS MESSAGE DISPLAYED. OUTBOARD SPOILERS INOP. MAINT MESSAGE 27-10500 SPOILER POWER CONTROL UNIT NR 1. AFTER EXTENSIVE TROUBLE SHOOTING AND PART REPLACEMENT. FOUND HIGH RESISTANCE SHORT TO SHIELD-GROUND. REF WDM 27-61-15 PG2 IN AREA AT RECEPTACLE D2139J. REPLACED NR 1 SPOILER CONTROL HARNESS OP CHECKED GOOD. AC OK FOR SERVICE.