What was found
ON T/O CREW NOTED A BURNING BLEED AIR ODOR UNTIL AIRCRAFT WAS LEVELED 23,000 FT. IN DESCENT SAME SMELL WAS PRESENT. INSPECTED BLEED AIR COMPONENTS, DISCOVERED CONNECTOR FOR FLOW INCREASING VALVE NOT HOOKED UP. CONNECTOR INSTALLED. NO DISCREPANCIES DURING GROUND OPS CHECKS. RETURNED TO SERVICE. ON 6-22-06 CREW NOTED A BURNING BLEED AIR SMELL UP UNTIL LEVELED OFF, SAME ODOR ON DESCENT. A DEFECTIVE EMERGENCY PRESSURIZATION VALVE DISCOVERED BY MAINTENANCE DURING TROUBLESHOOTING PROCEDURES. PRESSURIZATION VALVE AND ASSOCIATED GASKETS WERE REPLACED. OPERATIONAL CHECKS WERE GOOD DURING OPERATIONAL AND LEAK CHECKS WHILE PERFORMING GROUND ENGINE RUNS. AIRCRAFT WAS RETURNED TO SERVICE.