As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESSURIZATION AT FL 350 CABIN HORN SOUNDED. CABIN RATE OF CLIMB WAS 2000 PLUS PRIOR TO THIS EVENT CABIN TEMP WAS 80+ PACK SWITCH SET TO MANUAL "C" TO COOL THEN BACK TO AUTO PERFORMED FIM TASK 21-30-00-815-803. CONTROLLER DISPLAYED A/C MOTOR FAULT. R & R FWD & AFT A/C MOTORS FOR THE CABIN PRESSURE OUTFLOW VALVE ACTUATOR IAW MM 21-31-05. OPS CHECKED GOOD, PRESSURIZED CABIN, ALL SYS NORMAL RT PACK FLOW NORMAL AND COLD NO DEFECTS NOTED WITH RT & LT PACKS.