Narrative:

Flight attendants reported electrical smoke smell coming from row 30 floor vents. Soon after; they reported passengers seeing a puff of smoke coming from the vent. Flight attendant's shut down electrical to the seats. Flight crew accomplished the smoke in cabin checklist. Circuit breaker for door heater was found to be popped. Aircraft diverted without further incident.

Google
 

Original NASA ASRS Text

Title: B737 First Officer reported diverting to a nearby airport when smoke in the cabin was reported and a circuit breaker for the door heater was found open.

Narrative: Flight attendants reported electrical smoke smell coming from row 30 floor vents. Soon after; they reported passengers seeing a puff of smoke coming from the vent. FA's shut down electrical to the seats. Flight crew accomplished the smoke in cabin checklist. Circuit breaker for door heater was found to be popped. Aircraft diverted without further incident.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.