A B757-200 flight experiences smoke in the cockpit with the crew declaring an emergency and divertin...

Attributes
ACN	519044
Time
Date	200107
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : rdu.airport
State Reference	NC
Altitude	msl single value : 37000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	B757-200
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
Experience	flight time last 90 days : 50 flight time total : 1200 flight time type : 6000
ASRS Report	519044
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 120 flight time total : 14000 flight time type : 2500
ASRS Report	519133
Events
Anomaly	aircraft equipment problem : critical other anomaly
Independent Detector	aircraft equipment other aircraft equipment : eicas msg other flight crewa other flight crewb
Resolutory Action	controller : provided flight assist flight crew : declared emergency flight crew : diverted to another airport flight crew : landed in emergency condition
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

During cruise at FL370, noted unusual noise behind first officer instrument panel, followed by smoke and fumes in cockpit. WX radar failed, instrument switching system failed, equipment overheat EICAS message displayed, captain's and first officer's ADI failed, alternate efi for ADI's failed. Declared emergency into rdu. Completed appropriate equipment overheat checklist. ADI's returned to normal. Landing at rdu, where maintenance found failed equipment cooling fan. Smoke had dispersed quickly and no oxygen masks were required. Due to unknown smoke origin, an emergency was declared.

Original NASA ASRS Text

Title: A B757-200 FLT EXPERIENCES SMOKE IN THE COCKPIT WITH THE CREW DECLARING AN EMER AND DIVERTING INTO RDU, NC.

Narrative: DURING CRUISE AT FL370, NOTED UNUSUAL NOISE BEHIND FO INST PANEL, FOLLOWED BY SMOKE AND FUMES IN COCKPIT. WX RADAR FAILED, INSTRUMENT SWITCHING SYS FAILED, EQUIP OVERHEAT EICAS MESSAGE DISPLAYED, CAPT'S AND FO'S ADI FAILED, ALTERNATE EFI FOR ADI'S FAILED. DECLARED EMER INTO RDU. COMPLETED APPROPRIATE EQUIP OVERHEAT CHKLIST. ADI'S RETURNED TO NORMAL. LNDG AT RDU, WHERE MAINT FOUND FAILED EQUIP COOLING FAN. SMOKE HAD DISPERSED QUICKLY AND NO OXYGEN MASKS WERE REQUIRED. DUE TO UNKNOWN SMOKE ORIGIN, AN EMER WAS DECLARED.

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.

A B757-200 flight experiences smoke in the cockpit with the crew declaring an emergency and diverting into rdu, nc.