Date: 202105
Local time of day: 0601-1200
Location: ZZZ.Airport, US
Flight conditions: VMC
Light: Daylight
Aircraft: Regional Jet 700 ER/LR (CRJ700)
Operator: Air Carrier
Operating under: Part 121
Flight plan: IFR
Mission: Passenger
Flight phase: Cruise
Airspace: Class E ZZZ2
ATC / advisory: TRACON ZZZ
Aircraft component: Electrical/Electronic Panel & Parts
Component problem: Malfunctioning
Reporter organization: Air Carrier
Reporter function: First Officer; Pilot Flying
Reporter qualification: Flight Crew Multiengine; Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument
Anomaly: Aircraft Equipment Problem Less Severe; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor; Flight Deck / Cabin / Aircraft Event Passenger Electronic Device
Detector: Person Flight Crew
When detected: In-flight
Result: Air Traffic Control Provided Assistance; Aircraft Equipment Problem Dissipated; Flight Crew Overcame Equipment Problem; Flight Crew Requested ATC Assistance / Clarification; Flight Crew FLC complied w / Automation / Advisory; Flight Crew Landed in Emergency Condition; General Maintenance Action
Contributing factors: Aircraft
Primary problem: Aircraft

Narrative: When cruising at 8;000 feet direct to ZZZ1.The flight attendants called us stating they smelled a burning smell coming from somewhere in the cabin. The Captain also stated he smelled something and we immediately ran the immediate action items and the QRC for smoke/fire/fumes. Donning our oxygen masks; the Captain delegated the flight controls and radios to me and told me to notify ATC and he would run the checklists and talk to the flight attendants. I notified Approach giving them souls and fuel on board. We were so close to the airport they gave us a vector for the approach into Runway XX. At that time the flight attendants told the Captain that the smell had gone away but for per cautionary reasons we elected to keep the masks on and the fire trucks on standby as we continued the approach. After landing we taxied to the ramp and stopped short of the gate for the emergency vehicles to inspect the exterior of the aircraft. After confirmation that nothing was smoking outside we canceled the emergency and taxied to the gate. Emergency personal came on board inspecting the inside of the aircraft deeming it safe we deplaned. The flight attendants did an excellent job in paying attention to everything going on in the aircraft. They informed us in the flight deck immediately allowing us to take action and get on the ground quickly and safely. Maintenance found that an electrical outlet had short circuited and started to smoke in row XX. The aircraft's systems worked and the circuit breaker tripped and the fire was never fully ignited. As soon as the flight attendants notified us in the cockpit the Captain called for the immediate action items for smoke fire flames. This reaction was precautionary but notifying ATC and donning oxygen masks was the safest solution when we did not know if something was on fire or even where it was. Great communication is key in emergency situation. Our crew worked together perfectly and shows how our training has paid off. The only suggestion I have through this experience is to regularly clean the oxygen masks because you never know when you will need them.




Synopsis: CRJ-700 First Officer reported a fume event during descent in the passenger cabin. The flight was close to their destination airport; so the crew elected to continue for a successful landing.