What was found
STRONG SMELL OF HOT BURNING PLASTIC ROW 31 THROUGH AFT GALLEY. GROUNDED - YES. FOUND THE STAND ALONE CONTENT LOADER (SACL) TO SMELL HOT AND WAS VERY HOT TO TOUCH, REQUIRES REPLACEMENT FTO FIX SMELL IN CABIN. SACL HAS STRONG ELEC SMELL. REMOVED & REPLACED SACL REF B737-800 SMM 44-25-16-20A. OPS TEST GOOD. THERMAL TEMPS ARE NORMAL INDICATIONS IN THE OX MAINT. REF B737-800 FIM 05-51 TASK 814. NO OTHER ODOR REMAINS IN CABIN POST SACL R/R. PERFORMED CABIN TEMP CONT AND IND OPS TEST. RAN PACKS 20 MINS AIR SMELL AND QUALITY ARE OK FOR SERVICE. REF B737-800 AMM 21-61-00-700-807-002.