Large transport flight experienced smoke in the cabin and executed emergency landing.

Attributes
ACN	754743
Time
Date	200709
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 10000
Environment
Flight Conditions	VMC
Aircraft 1
Controlling Facilities	tracon : zzz.tracon
Operator	common carrier : air carrier
Make Model Name	Large Transport Low Wing 2 Turbojet Eng
Operating Under FAR Part	Part 121
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
ASRS Report	754743
Person 2
Affiliation	company : air carrier
Function	flight attendant : on duty
Events
Anomaly	non adherence : clearance
Independent Detector	other other : 2
Resolutory Action	flight crew : diverted to another airport flight crew : landed in emergency condition flight crew : declared emergency
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Flight attendant notified captain of smoke in cabin; concurrent with activation of lavatory 4L smoke detector. Declared emergency with ZZZ approach. Landed. Aircraft exterior and interior inspected by crash fire rescue equipment. No evidence of smoke/fire reported by crash fire rescue equipment personnel.

Original NASA ASRS Text

Title: LGT FLT EXPERIENCED SMOKE IN THE CABIN AND EXECUTED EMER LNDG.

Narrative: FLT ATTENDANT NOTIFIED CAPT OF SMOKE IN CABIN; CONCURRENT WITH ACTIVATION OF LAVATORY 4L SMOKE DETECTOR. DECLARED EMER WITH ZZZ APCH. LANDED. ACFT EXTERIOR AND INTERIOR INSPECTED BY CFR. NO EVIDENCE OF SMOKE/FIRE RPTED BY CFR PERSONNEL.

Data retrieved from NASA's ASRS site as of January 2009 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.