What was found
FLIGHT 3525, CREW REPORTED A BAD ODOR COMING OUT OF NR 1 A/C PACK DURING DESCENT. THE AIRCRAFT LANDED WITH OUT INCIDENT. FOUND NR 1 RECIRC FAN MUFFLER TORN. REMOVED AND REPLACED THE NR 1 MUFFLER IAW AMM 21-24-01. WHILE TROUBLE SHOOTING FOUND THE NR 1 A/C PACK INOPERATIVE. FOUND PACK 1 WATER SPRAYER CLOGGED AND LEAKING. CLEANED A/C PACK WATER SPRAYER NOZZLE AND REPLACED HOSE CLAMP IAW STANDARD PRACTICES. AIRCRAFT RETUTNED TO SERVICE.