Air Carrier First Officer reported being notified by the Lead Flight Attendant of visible smoke and electrical burning odor in the passenger cabin. After conferring with Dispatch and Flight Attendant the flight crew executed a safe air diversion.
Synopsis
Air Carrier First Officer reported being notified by the Lead Flight Attendant of visible smoke and electrical burning odor in the passenger cabin. After conferring with Dispatch and Flight Attendant the flight crew executed a safe air diversion.
Narrative
While at a cruise altitude of FL340 we received a call from the lead Flight Attendant stating that there was visible smoke in the cabin and also a burning electrical smell near the front of the cabin. The Flight Attendants in the rear of the aircraft said they could also smell a burning smell. We had no indication of cabin smoke in the cockpit or any sort of fire alerts. We went back and forth between planning a diversion and talking to the Flight Attendants about the smoke in the cabin which the lead Flight Attendant advised was still visible. We communicated with Dispatch our need to divert and land the plane as soon as practical. We made a decision to [request priority handling] to ZZZ and have [airport support personnel] equipment standing by. We preformed all necessary checklist for smoke/fire in cabin; Flight Attendant briefing; passenger notification; overweight landings and diversion prior to landing. On our way to ZZZ the lead Flight Attendant advised us that the smoke was no longer visible but there was still a burning smell. After landing the aircraft; the rescue and fire trucks inspected the exterior of the aircraft for any indication of fire. After the [airport support personnel] advised us there was no sign of fire; we proceeded to the gate to park the aircraft. After parking the [airport support personnel] came on board the aircraft inspected for any fire; smoke or areas of burning equipment.
Second reporter narrative
During cruise flight about 90 miles from ZZZ; Purser notified flight crew that he detected electrical fumes accompanied by visual smoke in the forward cabin. Flight crew [requested priority handling] and coordinated for a diversion to ZZZ. Upon landing; [airport support personnel] looked over aircraft and could not find any indication of smoke or fire on the aircraft.
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.