B737 captain reported that a flight attendant notified them of an 'overheated plastic' type cabin od...

Attributes
ACN	1687362
Time
Date	201909
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Descent
Flight Plan	IFR
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine
Experience	Flight Crew Last 90 Days 129
Events
Anomaly	Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor

Narrative:

At the top of descent an odor was detected in the main cabin. A flight attendant localized the smell to about three rows forward of the exit row at the ceiling. No smoke. No heat was detected as the flight attendant used her hand to feel for warmth. The odor dissipated throughout the final 30 minutes of the flight; but still slightly discernible after landing. The odor was not smelled on the flight deck. The smell only appeared in the cabin. The smell could be described as overheated plastic or maybe plastic wire insulation. The odor was written up for maintenance.

Original NASA ASRS Text

Title: B737 Captain reported that a Flight Attendant notified them of an 'overheated plastic' type cabin odor at the beginning of descent. The odor dissipated 30 minutes later. Maintenance was requested after shutdown.

Narrative: At the top of descent an odor was detected in the main cabin. A Flight Attendant localized the smell to about three rows forward of the exit row at the ceiling. No smoke. No heat was detected as the Flight Attendant used her hand to feel for warmth. The odor dissipated throughout the final 30 minutes of the flight; but still slightly discernible after landing. The odor was not smelled on the flight deck. The smell only appeared in the cabin. The smell could be described as overheated plastic or maybe plastic wire insulation. The odor was written up for maintenance.

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.

B737 captain reported that a flight attendant notified them of an 'overheated plastic' type cabin odor at the beginning of descent. The odor dissipated 30 minutes later. Maintenance was requested after shutdown.