As another aircraft on ramp was advising that large transport aircraft had smoke and fire coming from right side of aircraft, APU fire light and warning horn come on. Procedure followed with CO2 discharge failed to extinguish the warning. Aircraft was emergency evacuated without passenger injury.

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Attributes
ACN	172273
Time
Date	199103
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : den
State Reference	CO
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	ground : holding ground : parked ground other : taxi
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : commercial pilot : flight engineer pilot : instrument
Experience	flight time last 90 days : 180 flight time total : 8000 flight time type : 180
ASRS Report	172273
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi pilot : commercial pilot : instrument
Experience	flight time last 90 days : 152 flight time total : 12072 flight time type : 2800
ASRS Report	172275
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa
Resolutory Action	other
Consequence	faa : investigated
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Taxiing to the gate in deliver an aircraft behind us advised ground control that smoke and flames were coming from the right side of our aircraft. Immediately following this notification the APU fire warning light illuminated and the fire bell sounded. The captain called for APU fire checklist which the second officer accomplished. After discharging the APU fire bottle the warning light remained illuminated and the egt temperature showed off scale high. He captain commanded an emergency ground evacuation and I notified the ground controller that we were evacuating the aircraft. We accomplished our ground evacuation procedures as per the aircraft flight manual. All passengers and crew were directed to exit the aircraft out the left side only, away from the APU location. The evacuation was uneventful with 101 passengers and 7 crew members completing the procedure in less than 40 seconds.

Original NASA ASRS Text

Title: AS ANOTHER ACFT ON RAMP WAS ADVISING THAT LGT ACFT HAD SMOKE AND FIRE COMING FROM RIGHT SIDE OF ACFT, APU FIRE LIGHT AND WARNING HORN COME ON. PROC FOLLOWED WITH CO2 DISCHARGE FAILED TO EXTINGUISH THE WARNING. ACFT WAS EMERGENCY EVACUATED WITHOUT PASSENGER INJURY.

Narrative: TAXIING TO THE GATE IN DELIVER AN ACFT BEHIND US ADVISED GND CTL THAT SMOKE AND FLAMES WERE COMING FROM THE R SIDE OF OUR ACFT. IMMEDIATELY FOLLOWING THIS NOTIFICATION THE APU FIRE WARNING LIGHT ILLUMINATED AND THE FIRE BELL SOUNDED. THE CAPT CALLED FOR APU FIRE CHKLIST WHICH THE S/O ACCOMPLISHED. AFTER DISCHARGING THE APU FIRE BOTTLE THE WARNING LIGHT REMAINED ILLUMINATED AND THE EGT TEMP SHOWED OFF SCALE HIGH. HE CAPT COMMANDED AN EMER GND EVACUATION AND I NOTIFIED THE GND CTLR THAT WE WERE EVACUATING THE ACFT. WE ACCOMPLISHED OUR GND EVACUATION PROCS AS PER THE ACFT FLT MANUAL. ALL PAXS AND CREW WERE DIRECTED TO EXIT THE ACFT OUT THE L SIDE ONLY, AWAY FROM THE APU LOCATION. THE EVACUATION WAS UNEVENTFUL WITH 101 PAXS AND 7 CREW MEMBERS COMPLETING THE PROC IN LESS THAN 40 SECS.

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.