What was found
RIGHT PACK AUTO FAIL. BURNING SMELL WITH HAZE THROUGH OUT THE AIRCRAFT. MEL 21-51-1ACAT C DUE 7/11/26 (FLIGHT 6215) MCI--DEFERRED PER MEL 21-51-1A. AIR-CONDITIONING PACKS FOR RT PACK INOPERATIVE. COMPLIED WITH ACCORDING TO MEL VERIFIED THAT RAM AIR SO VALVE IS OPS IAW AMM 21-52-04. TROUBLESHOT RT PACK FAIL IAW FIM 21-61-00-810-817. R & R TEMP CONTROL VALVE 2 WITH A SERVICEABLE UNIT IAW AMM 21-51-20. NO FIX. R & R PACK DISCHARGE TEMP SENSOR WTIH A SERVICABLE UNIT IAW AMM 21-51-22. NO FIX. UPON FURTHER INSPECTION FOUND RT ACM TO BE SEIZED, R & R RT ACM WITH A SERVICEABLE UNIT IAW AMM 21-51-08. OPS CHKD GOOD. LEAK CHKD GOOD. CLEARS MEL 21-51-1A. APPLICABLE PLACARDS REMOVED.