What was found
DURING TRAINING, PILOT CLOSED THE RT FIREWALL SHUTOFF VALVE AND WAS UNABLE TO OPEN IT. VALVE STUCK IN CLOSED POSITION. REPLACED VALVE, SYSTEM FUNCTION CHECK WAS NORMAL. (NM09200408137)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TRAINING, PILOT CLOSED THE RT FIREWALL SHUTOFF VALVE AND WAS UNABLE TO OPEN IT. VALVE STUCK IN CLOSED POSITION. REPLACED VALVE, SYSTEM FUNCTION CHECK WAS NORMAL. (NM09200408137)