What was found
DURING DESCENT, UPON DEPLOYING FLIGHT SPOILERS, OTBD SPOILERONS & OTBD FLT SPLRS, APPEARED ON EICAS. COMPLIED WITH AOM PROCEDURES. UPON LOOKING AT FLIGHT CONTROL SYNOPTIC PAGE NOTICED LT SPOILER INDICATED IN WHITE. OUTER RT SPOILER ON SYNOPTIC PAGE APPEARS IN YELLOW. EMER DECLARED & LANDED WITHOUT FURTHER INCIDENT. INTERROGATED MDC FOUND RT OTBD MFS PCU JAM MSG. PERFORMED SPOST 1 RESET, PERFORMED OPERATIONS CHECK IAW ETN-CR-27-093. OPERATIONS CHECKED GOOD.