As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 1500 AGL, NOTICED RT DUCT PRESSURE AT APX 10-12 PSI. LEVEL OFF FL 220. POWERED UP, PRESSURE DROPPED, DUCT PRESSURE SEEMS TO BE POWER & TEMP RELATED. PERFORMED BLEED SYS LEAK CHECK IAW FIM TASK 813. FOUND DIAPHRAGM LEAKING ON PRSOV. REPLACED NR 2 PRSOV IAW AMM 36-11-04-400-801. TESTED OK.