What was found
DURING TAKEOFF THE CREW RECEIVED A LEFT HAND PACK FAIL MESSAGE AND ABORTED TAKEOFF FLIGHT 4020. THE CREW DEFERRED THE LEFT HAND HIGH PRESSURE BLEED VALVE WITH MAINTENANCE CONTROL AND FLIGHT 4020 DEPARTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAKEOFF THE CREW RECEIVED A LEFT HAND PACK FAIL MESSAGE AND ABORTED TAKEOFF FLIGHT 4020. THE CREW DEFERRED THE LEFT HAND HIGH PRESSURE BLEED VALVE WITH MAINTENANCE CONTROL AND FLIGHT 4020 DEPARTED.