B737-800 captain reported temporary fume event during cruise that dissipated.

Attributes
ACN	1665715
Time
Date	201907
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	IMC
Aircraft 1
Make Model Name	B737-800
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Person 1
Function	Pilot Not Flying Captain
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine Flight Crew Instrument
Events
Anomaly	Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor

Narrative:

Transient cabin odor detected by flight deck; cabin crew and individual passenger. Odor seemed associated with aft cabin temperature control adjustment; was brief and cleared quickly when a lower temperature was selected.

Original NASA ASRS Text

Title: B737-800 Captain reported temporary fume event during cruise that dissipated.

Narrative: Transient cabin odor detected by flight deck; cabin crew and individual passenger. Odor seemed associated with aft cabin temperature control adjustment; was brief and cleared quickly when a lower temperature was selected.

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.