<< >> NASA ASRS Report 703669, July 2006

Cpr jet first officer reports thermal discharge of cargo compartment fire bottle shortly after takeoff.

Attributes
ACN	703669
Time
Date	200607
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 1000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : zzz.tracon
Operator	common carrier : air carrier
Make Model Name	Challenger CL600
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 250 flight time total : 7800 flight time type : 2000
ASRS Report	703669
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency flight crew : diverted to another airport flight crew : landed as precaution
Consequence	other
Supplementary
Problem Areas	Environmental Factor
Primary Problem	Environmental Factor

Narrative:

The cargo fire bottle thermally discharged after takeoff during climb. We declared an emergency and returned to the airport and landed 500 pounds overweight. Maintenance was contacted to determine the acceptable rate of descent on touchdown. Landing was made at less than the required descent rate. After clearing the runway; crash fire rescue equipment checked the cargo compartment and found no evidence of smoke or fire. We then taxied back to the gate and deplaned the passenger to wait for another aircraft to complete the flight. Temperatures at the time were in excess of 105 degrees F.

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Original NASA ASRS Text

Title: CPR JET FO RPTS THERMAL DISCHARGE OF CARGO COMPARTMENT FIRE BOTTLE SHORTLY AFTER TKOF.

Narrative: THE CARGO FIRE BOTTLE THERMALLY DISCHARGED AFTER TKOF DURING CLB. WE DECLARED AN EMER AND RETURNED TO THE ARPT AND LANDED 500 LBS OVERWT. MAINT WAS CONTACTED TO DETERMINE THE ACCEPTABLE RATE OF DSCNT ON TOUCHDOWN. LNDG WAS MADE AT LESS THAN THE REQUIRED DSCNT RATE. AFTER CLRING THE RWY; CFR CHKED THE CARGO COMPARTMENT AND FOUND NO EVIDENCE OF SMOKE OR FIRE. WE THEN TAXIED BACK TO THE GATE AND DEPLANED THE PAX TO WAIT FOR ANOTHER ACFT TO COMPLETE THE FLT. TEMPS AT THE TIME WERE IN EXCESS OF 105 DEGS F.

Data retrieved from NASA's ASRS site as of January 2009 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.