As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT THROUGH TOP OF CLIMB AT 35,000 DUCT SPLIT RT=21 L=41 GRADUALLY EVENED OUT BOTH AT 41 PSI DURING CRUISE. ACCOMPLISHED NR 2 ENG BLEED AIR SYS HEALTH CHECK REF MM 36-11-00. FOUND PRSOV LEAKING. REPLACED PRSOV. ACCOMPLISHED PRECOOLER VALVE SYS HEALTH CK REF MM 36-12-00-700-801. FOUND PRECOOLER VALVE BAD. REPLACED PRECOOLER CONTROL VALVE REF MM 36-12-02-400-801. ACCOMPLISHED REPAIR CONFIRMATION REF FIM 36-10, TASK 807, STEP G. GROUND VERIFICATION SUCCESSFUL.