An airbus 310-203 in climb at FL210 declared an emergency and diverted due to a fire warning on #1 engine caused by a broken 11TH stage engine pneumatic duct.

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Attributes
ACN	371934
Time
Date	199706
Day	Thu
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : bdl
State Reference	MA
Altitude	msl bound lower : 21000 msl bound upper : 21000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zbw
Operator	common carrier : air carrier
Make Model Name	A310
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	climbout : intermediate altitude other other
Route In Use	departure other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 50 flight time total : 3500 flight time type : 50
ASRS Report	371934
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : critical inflight encounter other other anomaly other
Independent Detector	other flight crewa other other : unspecified cockpit
Resolutory Action	flight crew : declared emergency other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

Flex takeoff (reduced power) runway 6 bdl. After the after takeoff checklist completed, the r-hand ECAM (no chime) advisory page illuminated showing the nacelle temperature in degrees celsius for #1 engine to be 230 degrees C (flashing green). We continued the climb to FL210 and ECAM nacelle temperature went to 255 degrees C then crc and #1 engine fire warning occurred (fire and loop lights on overhead panel illuminated). When #1 engine thrust retarded to idle, all indications were normal. Recovery back to bdl runway 6 was flown as a visual approach ats and, both engines used ok. Emergency was declared and overweight landing was also written up in aml. Callback conversation with reporter revealed the following information: reporter stated the warning was not a false warning, the cause being a broken 11TH stage high pressure duct on the #1 engine, a general electric cf-6-80a3s. The warning ceased, he said, when the throttle was retarded to idle so the engine was not shut down. He stated that all warnings that make up the fire and overheat system, aural warning and lights, worked normally.

Original NASA ASRS Text

Title: AN AIRBUS 310-203 IN CLB AT FL210 DECLARED AN EMER AND DIVERTED DUE TO A FIRE WARNING ON #1 ENG CAUSED BY A BROKEN 11TH STAGE ENG PNEUMATIC DUCT.

Narrative: FLEX TKOF (REDUCED PWR) RWY 6 BDL. AFTER THE AFTER TKOF CHKLIST COMPLETED, THE R-HAND ECAM (NO CHIME) ADVISORY PAGE ILLUMINATED SHOWING THE NACELLE TEMP IN DEGS CELSIUS FOR #1 ENG TO BE 230 DEGS C (FLASHING GREEN). WE CONTINUED THE CLB TO FL210 AND ECAM NACELLE TEMP WENT TO 255 DEGS C THEN CRC AND #1 ENG FIRE WARNING OCCURRED (FIRE AND LOOP LIGHTS ON OVERHEAD PANEL ILLUMINATED). WHEN #1 ENG THRUST RETARDED TO IDLE, ALL INDICATIONS WERE NORMAL. RECOVERY BACK TO BDL RWY 6 WAS FLOWN AS A VISUAL APCH ATS AND, BOTH ENGS USED OK. EMER WAS DECLARED AND OVERWT LNDG WAS ALSO WRITTEN UP IN AML. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATED THE WARNING WAS NOT A FALSE WARNING, THE CAUSE BEING A BROKEN 11TH STAGE HIGH PRESSURE DUCT ON THE #1 ENG, A GENERAL ELECTRIC CF-6-80A3S. THE WARNING CEASED, HE SAID, WHEN THE THROTTLE WAS RETARDED TO IDLE SO THE ENG WAS NOT SHUT DOWN. HE STATED THAT ALL WARNINGS THAT MAKE UP THE FIRE AND OVERHEAT SYS, AURAL WARNING AND LIGHTS, WORKED NORMALLY.

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.