What was found
FLT 968 FLL-BOS, ON DESCENT OUT OF 25,000 FEET CREW REPORTED ECAM MESSAGE PACK 1 FAULT WITH PACK 2 ALREADY IN MEL THE CREW DESCENDED TO 10,000 FEET. PACK 1 WAS UNSTABLE AND TEMP INDICATION AMBER XXX'S. TECHNICIAN REMOVED AND REPLACED COMPRESSOR TEMP SENSOR ON PACK NR 1 IAW AMM 21-61-11-04. ALL OPS CHECK NORMAL.