As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT FAS CALLED THE FLIGHT DECK REPORTING SMOKE IN THE CABIN COMING FROM THE OVERHEAD BINS. THE SMOKE COULD NOT BE CONTROLLED & THE ACFT WAS EVACUATED. STRONG SMELL, CHEMICAL SMELL, COMING FROM ROWS 15 - 20. BALLAST AT 19L & 20L INOPERATIVE & SMELLS. R & R BURNED BALLAST AT 19A-C & INOPERATIVE BALLAST AT 20AC. OPERATIONS CHECKED GOOD IAW AMM 33-21-03.