What was found
DURING CLIMB OUT, OBSERVED AT 10,000 FT LEFT DUCT PRESSURE READS 42-47 PSI. RIGHT READS 25 PSI. AT 23,000 FT LEFT READS 42-48 PSI. RIGHT READS 27 PSI. AT CRUISE OF 32,000 FT LEFT WAS STEADY AT 48 PSI AND RIGHT READS 30 PSI. ACFT GROUNDED. ACCOMPLISHED A NE 2 ENGINE BLEED AIR SYSTEM HEALTH CHECK IAW T/C NG-36WC-00001. BLEED AIR SENSE LINE DOWNSTREAM 450 DEGREE SENSOR LEAKING. REPLACED SENSE LINE. LEAK CHECKED GOOD, NO OTHER DEFECTS NOTED. ACCOMPLISHED BLEED AIR CROSSOVER OPS TEST IAW AMM 36-11-00-710-801.