<< >> NASA ASRS Report 208734, April 1992

Commuter aircraft has engine fire warning light activate. During checklist procedure light extinguished. Continued to des.

Attributes
ACN	208734
Time
Date	199204
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : etg
State Reference	PA
Altitude	msl bound lower : 8000 msl bound upper : 8000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : lga
Operator	common carrier : air carrier
Make Model Name	Medium Transport, High Wing, 2 Turboprop Eng
Flight Phase	cruise other
Route In Use	enroute airway : zny
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 250 flight time total : 14000 flight time type : 1400
ASRS Report	208734
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : cfi pilot : instrument pilot : commercial
Experience	flight time last 90 days : 190 flight time total : 3175 flight time type : 1250
ASRS Report	208527
Events
Anomaly	aircraft equipment problem : less severe non adherence : far non adherence other other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation

Narrative:

During cruise flight we got an engine fire warning light on the left engine. We proceeded with the appropriate checklist and upon retarding the power lever the warning light extinguished. We proceeded to our destination with reduced power on the left engine, and found that there had been a fire. Because the warning disappeared upon power lever retardation, and without shutting down the engine or activating an engine fire extinguisher bottle, we thought the warning was erroneous. In hindsight, I believe that any engine fire warning should be treated as an actual fire, the engine should be shutdown, an emergency declared and a landing made as soon as possible.

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Original NASA ASRS Text

Title: COMMUTER ACFT HAS ENG FIRE WARNING LIGHT ACTIVATE. DURING CHKLIST PROC LIGHT EXTINGUISHED. CONTINUED TO DES.

Narrative: DURING CRUISE FLT WE GOT AN ENG FIRE WARNING LIGHT ON THE L ENG. WE PROCEEDED WITH THE APPROPRIATE CHKLIST AND UPON RETARDING THE PWR LEVER THE WARNING LIGHT EXTINGUISHED. WE PROCEEDED TO OUR DEST WITH REDUCED PWR ON THE L ENG, AND FOUND THAT THERE HAD BEEN A FIRE. BECAUSE THE WARNING DISAPPEARED UPON PWR LEVER RETARDATION, AND WITHOUT SHUTTING DOWN THE ENG OR ACTIVATING AN ENG FIRE EXTINGUISHER BOTTLE, WE THOUGHT THE WARNING WAS ERRONEOUS. IN HINDSIGHT, I BELIEVE THAT ANY ENG FIRE WARNING SHOULD BE TREATED AS AN ACTUAL FIRE, THE ENG SHOULD BE SHUTDOWN, AN EMER DECLARED AND A LNDG MADE AS SOON AS POSSIBLE.

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.