Message Name:

FIRE BOTTLE 1 DISCHARGE WITHOUT ACTIVATING THE FIRE HANDLE

Fire bottle 1 has discharged without activating the fire handle. Engines may even not be running.

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Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter:

• Forum news Articles 8 sept 2008 - GLOBAL SERIES LH Bleed Filter Scavenge Line

1. Make sure that the fire handles have not been pulled or activated in the cockpit.
2. Inspect Fire bottle 1 for signs of damage.

   1. If damage or defect is found, rectify or repair as required and do close out.
   2. If no damage or defect is found, continue with next step.

3. Inspect the left Bleed filter sense line for any signs of damage or erosion.

   1. If a hole is eroded in the Bleed filter sense line, it could result in a bleed leak and temperature rise near the fire bottle.
   2. If no damage is noted to the left Bleed filter sense line, continue with next step.

4. Inspect the area for any other source of bleed leak that could cause the temperature to rise around the fire bottle.
   NOTE: Prolonged use of the APU on ground in very hot weather conditions may cause the rear bay to overheat as well.

   1. If no cause can be found after inspection, contact the Bombardier Customer response Center for additional troubleshooting.
   2. If any cause is present, troubleshoot it first and continue with next step.

5. Do close out.