B757-200 flight crew experiences smoke and acrid fumes throughout aircraft; flight diverts without i...

Attributes
ACN	777553
Time
Date	200803
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzzz.airport
State Reference	FO
Altitude	msl single value : 40000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : multi engine pilot : instrument pilot : flight engineer pilot : commercial pilot : atp
Experience	flight time last 90 days : 143 flight time total : 17000 flight time type : 3940
ASRS Report	777553
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	other anomaly other anomaly
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : diverted to another airport
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

I was the PF; and the first officer was the pilot monitoring. While level at FL400; the PF noticed unidented; acrid fumes coming from cockpit gasper vents. Pilot monitoring confirmed acrid fumes. Immediately donned oxygen masks and established crew communications. The pilot monitoring called flight attendants in the cabin; who also confirmed presence of fumes. As the pilot monitoring referenced QRH smoke and/or fumes non normal procedure; presence of fumes continued to increase. Flight attendants then reported burning eyes and some sort of throat irritation among passenger and crew. The decision was made to declare an emergency and divert to the nearest suitable airport. Emergency descent was initiated. Passenger and cabin crew were informed of the situation. Pilot monitoring asked center to relay divert information to our company. Pilots shared the workload during descent; and pilot monitoring continued to attempt to isolate source of fumes using the QRH. Normal approach and landing was accomplished. Crash fire rescue equipment personnel inspected the aircraft; and no smoke or signs of fire were noted. The decision was made not to evacuate/evacuation passenger or crew. Taxi to apron and tug to gate was normal. Passenger and crew deplaned normally.

Original NASA ASRS Text

Title: B757-200 FLT CREW EXPERIENCES SMOKE AND ACRID FUMES THROUGHOUT AIRCRAFT; FLT DIVERTS WITHOUT INCIDENT.

Narrative: I WAS THE PF; AND THE FO WAS THE PLT MONITORING. WHILE LEVEL AT FL400; THE PF NOTICED UNIDENTED; ACRID FUMES COMING FROM COCKPIT GASPER VENTS. PLT MONITORING CONFIRMED ACRID FUMES. IMMEDIATELY DONNED OXYGEN MASKS AND ESTABLISHED CREW COMS. THE PLT MONITORING CALLED FLT ATTENDANTS IN THE CABIN; WHO ALSO CONFIRMED PRESENCE OF FUMES. AS THE PLT MONITORING REFED QRH SMOKE AND/OR FUMES NON NORMAL PROC; PRESENCE OF FUMES CONTINUED TO INCREASE. FLT ATTENDANTS THEN RPTED BURNING EYES AND SOME SORT OF THROAT IRRITATION AMONG PAX AND CREW. THE DECISION WAS MADE TO DECLARE AN EMER AND DIVERT TO THE NEAREST SUITABLE ARPT. EMER DSCNT WAS INITIATED. PAX AND CABIN CREW WERE INFORMED OF THE SITUATION. PLT MONITORING ASKED CTR TO RELAY DIVERT INFO TO OUR COMPANY. PLTS SHARED THE WORKLOAD DURING DSCNT; AND PLT MONITORING CONTINUED TO ATTEMPT TO ISOLATE SOURCE OF FUMES USING THE QRH. NORMAL APCH AND LNDG WAS ACCOMPLISHED. CFR PERSONNEL INSPECTED THE ACFT; AND NO SMOKE OR SIGNS OF FIRE WERE NOTED. THE DECISION WAS MADE NOT TO EVAC PAX OR CREW. TAXI TO APRON AND TUG TO GATE WAS NORMAL. PAX AND CREW DEPLANED NORMALLY.

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.

B757-200 flight crew experiences smoke and acrid fumes throughout aircraft; flight diverts without incident.