What was found
SPOILER EICAS MSG ON LANDING. LATCHED FAULTS FOR SPOILER S 4 MSG 27-10503 AND SPOILER 11 MSG 27-10510. TRIED NEW LT 2 A CE NO HELP. SWAPPED LT PFC WITH CTR PFC NO HELP,RETURN TO ORIGINAL POSITIONS. IAW TSM 27-61-810 FOR 11 SPOILER, CK FOR SHORT TO GRN AT CONN DM27219 PIN 3 TO GRN - NO SHORT FOUND. CHK CONN DM27219 FRM PIN 3 TO 10 FOR CONTINUITY. FOUND CONTINUITY REF SSM. REPLACED WIRE CABLE W8797 AND NR 4 SPOILER PCU, CHECKED OK.