What was found
DURING DESCENT, FWD EQUIPMENT VALVE , COMPLIED WITH QRH; CHAPTER 2.24 AFTER 30 SECONDS FWD EQUIPMENT VALVE EICAS MESSAGE AND LIGHT, VALVE, STILL ILLUMINATED. IAW SSM 21-58-41 REACTIVE NORMAL CND AND CHECK FOUND K2198 RELAY BASE LOOSENED, RETIGHTEN THEN OPERATION CHECK EQUIPMENT COOLING SYS BACK TO NORMAL. NO FAULT FOUND. MEL & MDDR 65932 CLOSED. PLACARD REMOVED IAW FIM 21-58, FAULT TREE.