What was found
SMOKE/HAZE IN CABIN AFTER ENGINE START / PERFORMED ENGINE RUN AND TAXI FOR SMOKE/HAZE IN CABIN FOUND NO EVIDENCE IN CABIN.IAW CRJ 700 AMM 09-20-585-801-A01. PERFORMED MOC REQUESTED ENGINE RUNS IAW CRJ 700 AMM FIM 21-21-00-810-806-A01. CRJ 700 FIM 21-22-00-810-806-A01. RAN ENGINES MULTIPLE TIMES WITH #1 AND #2 PACKS OFF AND ON. RAN PACKS AT HIGH TEMP. APPLIED MEL 21-51-1-2 (AIR CONDITIONING PACKS - RH PACK INOPERATIVE) RH PACK INOP DUE TO REDUCED RELIABILITY. / REMOVED AND REPLACED RH ACM IAW CRJ 700 AMM 21-51-08-000/400-801.