As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPLICATION OF POWER ON TAKEOFF ROLL, LOUD RUMBLE NOISE AND HIGH RATE OF CLIMB AND DESCENT ON PRESSURIZATION INDICATION. ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE FOUND LEFT PACK 35 DEGREE VALVE INOPERATIVE CAUSING PACK TO ICE. REPLACED VALVE AND TEMPERATURE CONTROLLER. OPERATIONAL CHECK NORMAL.