What was found
LT PACK TEMP EICAS INDICATION ON DEPARTURE. RAN QRH TEMP EICAS AND INOP MSG EXTINGUISHED. BIT ON LPTC SHOWS CONT FAULT + RAI ACTUATOR, RESET + VERIFIED C/O IAW AMM 21-51-00. DEFECT CLEARED SUBS PACK OPS DURING TRANSIT SATIS. DUE HISTORY APPLIED MEL 21-51-03-01, CAT C, MDDR 133970. REMOVED & REPLACED LT PACK TEMP CONTROLLER AS PER AMM 21-51-04, OPS NORMAL. THIS CLEARS MDDR 133970.