What was found
DURING TAKEOFF ROLL, WINDSHIELD HEAT AND MASTER WARNING ANNUNCIATORS ILLUMINATED. VALVES WERE CLOSED AND SWITCHES WERE OFF. - RAN AIRCRAFT AND DUPLICATE SQUAWK. REMOVED AND REPLACED BLEED AIR VALVE IAW 560 MM CH 30-41-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAKEOFF ROLL, WINDSHIELD HEAT AND MASTER WARNING ANNUNCIATORS ILLUMINATED. VALVES WERE CLOSED AND SWITCHES WERE OFF. - RAN AIRCRAFT AND DUPLICATE SQUAWK. REMOVED AND REPLACED BLEED AIR VALVE IAW 560 MM CH 30-41-00.