As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABQ-PHX - FLT 553 - SMOKE APPEARED TO BE EMANATING FROM SIDE RISES IN ROWS 16A THROUGH 17A. RECIRCULATING FAN TURNED OFF AND SMOKE STOPPED. ACFT LANDED WITHOUT FURTHER PROBLEMS. MX FOUND ROW 16 ABC LIGHT BALLAST FRIED. MX REMOVED AND REPLACED LIGHT BALLAST, OPS CHECK GOOD. ACFT RETURNED TO SERVICE. (W)