<< >> NASA ASRS Report 235972, February 1993

Captain of air carrier widebody transport aircraft returned to land after being unable to extinguish and put out an engine fire warning light.

Attributes
ACN	235972
Time
Date	199302
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : lax
State Reference	CA
Altitude	msl bound lower : 9000 msl bound upper : 9000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : lax
Operator	common carrier : air carrier
Make Model Name	Widebody, Low Wing, 3 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	climbout : takeoff climbout : initial climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : instrument
Experience	flight time last 90 days : 20 flight time total : 13000
ASRS Report	235972
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : atp
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : declared emergency other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

On takeoff from lax engine fire warnings #1 engine came on then off then on again. Throttle reduced to idle, warnings stop, then on again. Engine shut down and fire extinguisher discharged but no discharge. Tried again and no bottle discharge. Relief pilot checked engine visually and no fire and the aircraft had a previous write-up for 1 fire loop detector fault in #1 engine. Returned to lax, declared emergency. No problems.

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Original NASA ASRS Text

Title: CAPT OF ACR WDB ACFT RETURNED TO LAND AFTER BEING UNABLE TO EXTINGUISH AND PUT OUT AN ENG FIRE WARNING LIGHT.

Narrative: ON TKOF FROM LAX ENG FIRE WARNINGS #1 ENG CAME ON THEN OFF THEN ON AGAIN. THROTTLE REDUCED TO IDLE, WARNINGS STOP, THEN ON AGAIN. ENG SHUT DOWN AND FIRE EXTINGUISHER DISCHARGED BUT NO DISCHARGE. TRIED AGAIN AND NO BOTTLE DISCHARGE. RELIEF PLT CHKED ENG VISUALLY AND NO FIRE AND THE ACFT HAD A PREVIOUS WRITE-UP FOR 1 FIRE LOOP DETECTOR FAULT IN #1 ENG. RETURNED TO LAX, DECLARED EMER. NO PROBS.

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.