Electrical fire and smoke in cockpit of medium large transport.

Attributes
ACN	134261
Time
Date	199001
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : buf
State Reference	NY
Altitude	msl bound lower : 19000 msl bound upper : 19000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zob artcc : zoa
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other
Flight Phase	cruise other cruise other other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time total : 8200 flight time type : 1200
ASRS Report	134261
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance flight crew : declared emergency flight crew : overcame equipment problem other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

At FL190 35 NM from buf loud buzzing was heard. Electrical system shutdown and smoke filled the cockpit. Electrical system came back on line with left generator off light illuminated. Checklist was accomplished, smoke subsided, and an emergency was declared with a requested return to buf. Buf WX was approximately 25 ovc 10 using runway 23. An expeditious descent and ILS runway 23 was accomplished. Equipment was requested to stand by. An uneventful landing was made. Smoke increased slightly as aircraft approached the gate. So cockpit windows were opened, aircraft power was shut down at the gate with exit lights on. Passenger were directed to leave aircraft without baggage. Equipment was requested to approach the aircraft and check for any remaining fire.

Original NASA ASRS Text

Title: ELECTRICAL FIRE AND SMOKE IN COCKPIT OF MLG.

Narrative: AT FL190 35 NM FROM BUF LOUD BUZZING WAS HEARD. ELECTRICAL SYSTEM SHUTDOWN AND SMOKE FILLED THE COCKPIT. ELECTRICAL SYSTEM CAME BACK ON LINE WITH LEFT GENERATOR OFF LIGHT ILLUMINATED. CHECKLIST WAS ACCOMPLISHED, SMOKE SUBSIDED, AND AN EMER WAS DECLARED WITH A REQUESTED RETURN TO BUF. BUF WX WAS APPROX 25 OVC 10 USING RWY 23. AN EXPEDITIOUS DSCNT AND ILS RWY 23 WAS ACCOMPLISHED. EQUIPMENT WAS REQUESTED TO STAND BY. AN UNEVENTFUL LNDG WAS MADE. SMOKE INCREASED SLIGHTLY AS ACFT APCHED THE GATE. SO COCKPIT WINDOWS WERE OPENED, ACFT POWER WAS SHUT DOWN AT THE GATE WITH EXIT LIGHTS ON. PAX WERE DIRECTED TO LEAVE ACFT WITHOUT BAGGAGE. EQUIPMENT WAS REQUESTED TO APCH THE ACFT AND CHECK FOR ANY REMAINING FIRE.

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.