As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT LOW POWER SETTINGS DUCT PRESSURE DROPS TO AROUND 5 PSI, NOT ENOUGH AIR FOR COOLING. RAN BOTH ENGINES. NR1 PERFORMED NORMALLY BUT NR 2 PRODUCES ONLY 5 PSI AS NOTED. NR 2 BLEED TURNED OFF AT SWITCH AND IS CONSIDERED INOPERATIVE. REPLACED HIGH STAGE PILOT.