What was found
DUCT PRESSURE INDICATION L AND R POINTERS NOT THE SAME (SPLIT), WITH EITHER POINTER BELOW 18 PSIG DURING TAKEOFF, CLIMB AND CRUI SE; THE ENGINE IS THE BLEED SOURCE LEFT PACK 45 RIGHT PACK 6-8 PSI IN CLIMB OUT REF FIM 36-10 TASK 804 PERFORMED PNEUMATIC HEALTH CHECK, FOUND FAULTY PRSOV ON #2 ENG, REMOVED AND REPLACED PRSOV REF AMM 36-11-04, OPS CHECK GOOD.