What was found
EICAS MSG: FLT DECK TEMP, IN BLOCKS, IN AUTO MODE. TRANSFERRED TO MDDR #117647 PER MEL 21-61-02-03, CAT C, DUE DATE: 22-SEP-19. PLACARD INSTALLED AND MCC NOTIFIED. LP 1087272 - M2: PERFORMED IAW SUPP MX MANUAL FIM 21-60-00. R/R FLT DECK ZONE DUCT OVERHEAT RELAY IAW SWPM 20-81-11. PERFORMED ZONE TEMP BITE, CONTROLLER FAULT. PUT ZONE TEMP CONTROLLER ON ORDER WITH MCC, P/N 625934-6. DMI #117647 REMAINS OPEN. LP 1087275 - M4: REMOVED AND REPLACED ZONE TEMP CONTROLLER IAW AMM 21-61-03, OPS CHECK GOOD. NO FAULT MESSAGES. THIS CLEARS MDDR #117647. PLACARDS REMOVED AND MCC NOTIFIED.