MD11 flight crew return land after the crew observed the lavatory smoke detector eliminate together with a report from a cabin attendant that there was a smoke smell coming from the crew lavatory module.

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Attributes
ACN	519217
Time
Date	200107
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : jfk.airport
State Reference	NY
Altitude	msl single value : 10000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : n90.tracon tracon : mroc.tracon
Operator	common carrier : air carrier
Make Model Name	MD-11
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 60 flight time total : 6000 flight time type : 175
ASRS Report	519217
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	aircraft equipment problem : critical other anomaly other anomaly other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : crew lab smoke detector other flight crewa other other : 4
Resolutory Action	flight crew : declared emergency flight crew : landed as precaution
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

While climbing through approximately 10000 ft with the autoplt on, the lavatory smoke alert illuminated on the ead. A slight audible beeping could be heard. The captain attempted to contact the flight attendant while I got out the pom. There was no immediate response from the flight attendant so the captain sent the jump seat rider (who had just recently xferred from the MD11) back to see what he could ascertain. Shortly thereafter, the flight attendant came to the cockpit and informed us that the crew rest module smoke detector was activated. She also said that she noticed a burning odor. Both the captain and I concurred with smelling the odor, and we agreed that we should divert back to jfk. We declared an emergency with new york departure, donned our smoke masks, and made an immediate uneventful landing on runway 13R at jfk.

Original NASA ASRS Text

Title: MD11 FLC RETURN LAND AFTER THE CREW OBSERVED THE LAVATORY SMOKE DETECTOR ELIMINATE TOGETHER WITH A RPT FROM A CABIN ATTENDANT THAT THERE WAS A SMOKE SMELL COMING FROM THE CREW LAVATORY MODULE.

Narrative: WHILE CLBING THROUGH APPROX 10000 FT WITH THE AUTOPLT ON, THE LAVATORY SMOKE ALERT ILLUMINATED ON THE EAD. A SLIGHT AUDIBLE BEEPING COULD BE HEARD. THE CAPT ATTEMPTED TO CONTACT THE FLT ATTENDANT WHILE I GOT OUT THE POM. THERE WAS NO IMMEDIATE RESPONSE FROM THE FLT ATTENDANT SO THE CAPT SENT THE JUMP SEAT RIDER (WHO HAD JUST RECENTLY XFERRED FROM THE MD11) BACK TO SEE WHAT HE COULD ASCERTAIN. SHORTLY THEREAFTER, THE FLT ATTENDANT CAME TO THE COCKPIT AND INFORMED US THAT THE CREW REST MODULE SMOKE DETECTOR WAS ACTIVATED. SHE ALSO SAID THAT SHE NOTICED A BURNING ODOR. BOTH THE CAPT AND I CONCURRED WITH SMELLING THE ODOR, AND WE AGREED THAT WE SHOULD DIVERT BACK TO JFK. WE DECLARED AN EMER WITH NEW YORK DEP, DONNED OUR SMOKE MASKS, AND MADE AN IMMEDIATE UNEVENTFUL LNDG ON RWY 13R AT JFK.

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.