What was found
ON CLIMB OUT, DUCT PRESSURE SPLIT R22, L45 ONCE LEVELED OUT EVENTUALLY COME TOGETHER STEADY AT 40 EACH. ACFT GROUNDED. PERFORMED TASK CARD NG-36WC-00001 BLEED AIR SYS HEALTH CHECK. PERFORMED STEPS 01-05 TO INCLUDE STEP 5. DURING TASK CARD DISCOVERED ENGINE NR 2 PRE-COOLER VALVE OUT OF LIMITS. STEP 3.F.5. REMOVED NR 2 ENGINE PRE-COOLER VALVE, REF AMM 36-12-02-000-801. INSTALLED NEW PRE-COOLER VALVE, REF AMM 36-12-02-400-801. LEAK CHECK GOOD. ACCOMPLISHED ENGINE BLEED AIR CROSSOVER OPS TEST, REF AMM 36-11-00-710-801.