What was found
PACK 2 WAS MELED & PACK 1 KICKED OFF TWO TIMES IN FLIGHT. R & R TEMP SWITCH PN 815291-5 & PN 815291-2 IAW AMM 21-51-08. OPERATIONS CHECKS OF PACK ONE IS GOOD. NO FURTHER DEFECTS NOTED. PACK OVER TEMP SWITCH PN 815291-5 & SN 5578. PACK 2 ON MEL FOUND LOOSE & OPEN DUCT SURROUNDING THERMAL SWITCHES. RE-TAPED DUCTING IAW AMM 21-20-02. OPERATIONS CHECKED TEMP CONTROL, OPERATIONS CHECK IS GOOD. NO FURTHER DEFECTS AT THIS TIME. MEL RESTORED.