As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SYS 2 PRESSURE FAULT AT360 PERFORMED CK REF AMM 21-31-00 CPC 2 FAILED REPLACED #2 CPC CONTROLLER TEST PASSED FOR BOTH CPC 1&2. REF AMM 21-31-34-400-001-A. PART S CHANGED SERIAL NUMBER OFF 0354510 AND ON PART SN 0654904 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1133013 SN OFF 4510 CONTROLLER, CAB OFF 31-2130-9-0001 4510 ON 31-2130-9-0001 4904