B737-800
Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument; Flight Crew Multiengine
Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Air Traffic Control Provided Assistance; Flight Crew Diverted; Flight Crew Requested ATC Assistance / Clarification; Flight Crew Overcame Equipment Problem; Flight Crew Landed in Emergency Condition; General Maintenance Action
Aircraft
During cruise; FAs (Flight Attendants) and crewmembers/passengers reported strong odor in the aft cabin; with the strongest concentration in the aft galley. Smell was reported as both electrical burning and cloth burning. Advised ATC; and was cleared by ATC to start a descent and turn toward ZZZ and initiated the SMOKE; FIRE; OR FUMES QRC/QRH procedure. During the QRH procedure; turned off the R PACK and called FAs. All reported dissipation of the odors. Uneventful descent; approach; and landing at ZZZ uneventfully. ARFF inspected the aircraft on the runway and followed taxi in to gate. No reports of illness or injury by the passengers or crewmembers.Cause: Unknown source; but likely a problem in the Right Side Air Cond system.
B737-800 Captain reported an electrical burning" fumes event that resulted in a diversion."