Narrative:

During climb between clt and the haray transition at 11000 ft we experienced a right bleed duct warning message. The PF leveled off; requested QRH for this procedure and informed ATC of our situation. After a power reduction and a descent to 10000 ft the cas message turned to an amber caution message right bleed duct. We ran the QRH and performed the required items. However; we were unable to get the pressurization and aircraft to work using single pack procedures as instructed per the QRH. At this point we requested priority handling with vectors back to clt due to the loss of aircraft pressurization and the rapid increase in cabin temperature (41 degrees C). No emergency was declared; landing was normal with no injuries. We descended to 10000 ft; ran the QRH and elected to return to clt.

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Original NASA ASRS Text

Title: CL 600 WARNING SYSTEM INDICATED 'RIGHT BLEED DUCT' MESSAGE. CABIN PRESSURIZATION COULD NOT BE MAINTAINED; AND FLT RETURNED TO DEP ARPT.

Narrative: DURING CLB BTWN CLT AND THE HARAY TRANSITION AT 11000 FT WE EXPERIENCED A R BLEED DUCT WARNING MESSAGE. THE PF LEVELED OFF; REQUESTED QRH FOR THIS PROC AND INFORMED ATC OF OUR SITUATION. AFTER A PWR REDUCTION AND A DSCNT TO 10000 FT THE CAS MESSAGE TURNED TO AN AMBER CAUTION MESSAGE R BLEED DUCT. WE RAN THE QRH AND PERFORMED THE REQUIRED ITEMS. HOWEVER; WE WERE UNABLE TO GET THE PRESSURIZATION AND ACFT TO WORK USING SINGLE PACK PROCS AS INSTRUCTED PER THE QRH. AT THIS POINT WE REQUESTED PRIORITY HANDLING WITH VECTORS BACK TO CLT DUE TO THE LOSS OF ACFT PRESSURIZATION AND THE RAPID INCREASE IN CABIN TEMP (41 DEGS C). NO EMER WAS DECLARED; LNDG WAS NORMAL WITH NO INJURIES. WE DSNDED TO 10000 FT; RAN THE QRH AND ELECTED TO RETURN TO CLT.

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.