What was found
"AFT CABIN TEMP" EICAS NOTED DURING PRE-FLIGHT.(<P>TRANSFERRED TO MDDR #119271 IAW MEL 21-61-04-02, CAT 'C', DUE DATE: 27-OCT-19. MX ACTION C/W. </P><P>LP 1109319 - M3: PERFORMED FIM 21-60 FT 806, AFT ZONE TRIM AIR VALVE FAULT. REMOVED AND REPLACED AFT TRIM AIR MODULATING VALVE IAW AMM 21-61-07. OPS CHECK GOOD, NO MSG PRESENT. THIS CLEARS MDDR #119271. <BR /></P>)