Narrative:

Descending on arrival into ZZZ; the #2 flight attendant called from the aft galley and reported smoke and heat coming from [an] indeterminate location in aft galley. She reported it was aft service area; aircraft right generally; near the coffee pots. She reported a distinct electrical burning smell; and white smoke. I shut off cabin attendant/utility switch and asked the flight attendants to call us with updates. First officer ran the smoke; fire; or fumes QRH checklist. We [advised] ATC and requested arff meet the aircraft after landing. The flight attendants reported that the smoke and heat was dissipating. This all happened about 8-10 minutes from landing at ZZZ. No further smoke or fumes reported. I briefed flight attendants for a precautionary landing; and made a public address. After landing; we taxied to the gate with arff vehicles escorting us. Firefighting personnel came on board after gate arrival and checked aft galley; no unusual heat or smoke found at this point. There was a lingering burnt electrical smell; however; especially when maintenance personnel opened the ceiling access panel. Flight attendants reported that smoke and burning electrical odor filled aft galley and drifted into the last two rows of main cabin before dissipating. There were no injuries reported. After a lengthy delay in ZZZ; we left the airplane in the hands of maintenance personnel who were still searching for the cause of the smoke and fumes.

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Original NASA ASRS Text

Title: B737-800 flight crew reported Flight Attendant notified them of smoke and heat in the aft galley during descent.

Narrative: Descending on arrival into ZZZ; the #2 Flight Attendant called from the aft galley and reported smoke and heat coming from [an] indeterminate location in aft galley. She reported it was aft service area; aircraft right generally; near the coffee pots. She reported a distinct electrical burning smell; and white smoke. I shut off CAB/UTILITY switch and asked the flight attendants to call us with updates. First Officer ran the Smoke; Fire; or Fumes QRH checklist. We [advised] ATC and requested ARFF meet the aircraft after landing. The flight attendants reported that the smoke and heat was dissipating. This all happened about 8-10 minutes from landing at ZZZ. No further smoke or fumes reported. I briefed flight attendants for a precautionary landing; and made a public address. After landing; we taxied to the gate with ARFF vehicles escorting us. Firefighting personnel came on board after gate arrival and checked aft galley; no unusual heat or smoke found at this point. There was a lingering burnt electrical smell; however; especially when Maintenance personnel opened the ceiling access panel. Flight attendants reported that smoke and burning electrical odor filled aft galley and drifted into the last two rows of main cabin before dissipating. There were no injuries reported. After a lengthy delay in ZZZ; we left the airplane in the hands of Maintenance personnel who were still searching for the cause of the smoke and fumes.

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.