As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE ENG-WING-TAIL ANTI ICE SELECTED ON. AFTER APPROX 1 MIN AVIONICS OVRD AND FLOW LT CAME ON AND CABIN PRESSURE WENT FULL CLOSED NR 1 & 3 BLEEDS SHUT OFF. SHUT OFF ANTI ICE AND NR 2 BLEED LOST. AFTER 30 SEC ALL BLEEDS CAME BACK ON WITH AVIONICS OVRD LT ON. ATTEMPTED ANTI ICE AGAIN RESULTED IN LOSS OF NR 3 BLEED. REMOVED AND REPLACED PSC 2 AND ESC RAN ALL ENGINES AND BLEEDS ALL CHECK GOOD