MD80 crew detected a strong burning odor in the cabin.

Attributes
ACN	551233
Time
Date	200206
Day	Fri
Local Time Of Day	0601 To 1200
Place
State Reference	MI
Altitude	msl single value : 31000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zmp.artcc
Operator	common carrier : air carrier
Make Model Name	MD-80 Super 80
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	551233
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
ASRS Report	551234
Events
Anomaly	aircraft equipment problem : critical other anomaly other anomaly other
Independent Detector	other flight crewa other flight crewb
Resolutory Action	controller : provided flight assist controller : issued new clearance flight crew : diverted to another airport flight crew : declared emergency flight crew : landed in emergency condition other
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Diversion due to air conditioning fumes. Had a burning smell throughout cabin on takeoff roll. Turned off recirculating fan, smell dissipated. Recurred about 1.5 hours into flight. Grew to very strong smell throughout aircraft. Declared emergency and diverted to ZZZ.

Original NASA ASRS Text

Title: MD80 CREW DETECTED A STRONG BURNING ODOR IN THE CABIN.

Narrative: DIVERSION DUE TO AIR CONDITIONING FUMES. HAD A BURNING SMELL THROUGHOUT CABIN ON TKOF ROLL. TURNED OFF RECIRCULATING FAN, SMELL DISSIPATED. RECURRED ABOUT 1.5 HRS INTO FLT. GREW TO VERY STRONG SMELL THROUGHOUT ACFT. DECLARED EMER AND DIVERTED TO ZZZ.

Data retrieved from NASA's ASRS site as of July 2007 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.