What was found
DURING TROUBLESHOOTING FOUND DISPLACED HEAT EXCHANGER CLAMP, DUCT ON LT AIR CONDITIONING PACK. CREW RECEIVED A CARGO OVERHEAT MESSAGE, FIRE BOTTLE BLEW, CA CALLED OUT THE EMERGENCY SERVICES. CUSTOMERS DEPLANED- NO ISSUES. RESECURED, REPLACED, HEAT EXCHANGER DUCT CLAMP IAW AMM 21-51-10. OP CHECKS AND LEAK CHECKS GOOD. OK FOR SERVICE.