As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, SWITCHED BLEEDS PER SINGLE PACK OPERATIONS. RECEIVED A HIGH PACK PRESSURE CAUTION MESSAGE ON THE LEFT PACK. RESET BUT PACK HIGH PRESSURE CAUTION CAME BACK. RETURNED TO OAK. OPERATED THE AIRCRAFT AT TAKEOFF POWER AFTER REPAIRING THE RIGHT PACK. BOTH PACKS OPERATE NORMALLY WITH NO HIGH PRESSURE WARNINGS.