What was found
FLT 924, STI - SJU. AIR ENGINE 2 BLEED LEAK AT FL380. CONDUCTED AN EMERGENCY DESCENT. PERFORMED INSPECTION OF NR 2 ENGINE PYLON. FOUND GASKET AT THERMOSTAT "7170HM2" AND CLOGGED FILTER. R & R THERMOSTAT CONTROL, IAW A320 AMM CH 36-11-43. OPERATIONS CHECK GOOD, OK FOR SERVICE.