Grounding of this model by regulators very rare , experts say . Reports of fire and smoke have put the focus on the plane 's cutting-edge lithium ion battery systems and grounded the fleet worldwide . The FAA grounded the DC-10 in Florida for 37 days . The bottom line for the service is uncertain , former airline ##r says .
Grounding of this model by regulators very rare , experts say . The FAA grounded the DC-10 in Florida for 37 days . The bottom line for the service is uncertain , former airline ##r says .