<< >> NASA ASRS Report 793754, July 2008

B747 flight attendant detects smoke in aft galley and informs captain at same time EICAS indicates left util bus trip. Flight diverts to nearest suitable airport.

Attributes
ACN	793754
Time
Date	200807
Local Time Of Day	1201 To 1800
Place
Locale Reference	intersection : zzzz
State Reference	FO
Altitude	msl single value : 32000
Aircraft 1
Controlling Facilities	artcc : zzzz.artcc
Operator	common carrier : air carrier
Make Model Name	B747-400
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Route In Use	enroute : atlantic
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 250 flight time total : 14500 flight time type : 1500
ASRS Report	793754
Person 2
Affiliation	company : air carrier
Function	flight crew : relief pilot
Experience	flight time last 90 days : 747 flight time total : 7000 flight time type : 1100
ASRS Report	793753
Events
Anomaly	aircraft equipment problem : critical other anomaly
Independent Detector	aircraft equipment other aircraft equipment : eicas
Resolutory Action	flight crew : declared emergency flight crew : diverted to another airport
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Approaching zzzzz intersection (coast out from zzzzz). Flight attendant in aft alley advised that smoke was entering the galley; that there was a strong electrical burning smell; and that the carts and sidewall on the passenger's side of the galley was hot to the touch. Moments later; EICAS indicated 'left utility bus trip.' crew complied with flight manual procedures. Crew contacted dispatch and maintenance declared emergency; and collaboratively decided that the safest course of action would be to land in zzzzz. Cabin crew was briefed and a cabin advisory was declared. Flight landed uneventfully in ZZZZ. Callback conversation with reporter revealed the following information: maintenance determined the likely cause of the smoke to be a failed chiller in the aft galley. The entire aft galley was deactivated in order to get the aircraft back to the us

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Original NASA ASRS Text

Title: B747 FA DETECTS SMOKE IN AFT GALLEY AND INFORMS CAPT AT SAME TIME EICAS INDICATES L UTIL BUS TRIP. FLIGHT DIVERTS TO NEAREST SUITABLE ARPT.

Narrative: APCHING ZZZZZ INTXN (COAST OUT FROM ZZZZZ). FLT ATTENDANT IN AFT ALLEY ADVISED THAT SMOKE WAS ENTERING THE GALLEY; THAT THERE WAS A STRONG ELECTRICAL BURNING SMELL; AND THAT THE CARTS AND SIDEWALL ON THE PAX'S SIDE OF THE GALLEY WAS HOT TO THE TOUCH. MOMENTS LATER; EICAS INDICATED 'L UTILITY BUS TRIP.' CREW COMPLIED WITH FLT MANUAL PROCS. CREW CONTACTED DISPATCH AND MAINT DECLARED EMER; AND COLLABORATIVELY DECIDED THAT THE SAFEST COURSE OF ACTION WOULD BE TO LAND IN ZZZZZ. CABIN CREW WAS BRIEFED AND A CABIN ADVISORY WAS DECLARED. FLT LANDED UNEVENTFULLY IN ZZZZ. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: MAINTENANCE DETERMINED THE LIKELY CAUSE OF THE SMOKE TO BE A FAILED CHILLER IN THE AFT GALLEY. THE ENTIRE AFT GALLEY WAS DEACTIVATED IN ORDER TO GET THE ACFT BACK TO THE U.S.

Data retrieved from NASA's ASRS site as of May 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.