What was found
PER F-A, BURNING SMELL NOTED AT ROWS 23-28 AND 46-49. SMELL DISSIPATED BUT LATER RETURNED. MULTIPLE PAX CELL PHONE CHARGERS EXTREMELY HOT TO THE TOUCH. UNPLUGGED ALL AND TURNED OFF IN SEAT POWER AND SMELL DISAPPEARED. NO BREAKERS POPPED. MAINTENANCE ACCOMPLISHED AMM 05-51-58-800-801C3 STEP2 A & B, NO OBVIOUS DEFECTS OR ABNORMALITIES FOUNDTHE AIRCRAFT RELEASED BACK TO SERVICE. ALSO REFER LP 7684549.