Fedex DC10 at Toronto on Jun 2nd 2016, large LiOn batteries ignited after unloading

Last Update: June 8, 2020 / 16:05:13 GMT/Zulu time

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Incident Facts

Date of incident
Jun 2, 2016

Classification
Report

Airline
Fedex

Destination
Toronto, Canada

Aircraft Registration
N320FE

ICAO Type Designator
DC10

A Fedex Federal Express Douglas DC-10 (unclear whether the aircraft was converted to a MD-10), registration N320FE performing freight flight FX-150 from Indianaopolis,IN (USA) to Toronto,ON (Canada), completed a seemingly uneventful flight with a safe landing in Toronto. The cargo including four large LiOn batteries was unloaded, the batteries were put onto a Fedex delivery truck, but suffered a thermal runaway and caught fire about 10 hours after landing destroying the delivery truck and other cargo on board of the truck.

On Jun 8th 2020 the NTSB released their final report stating: "The Federal Aviation Administration (FAA) notified the National Transportation Safety Board (NTSB) of the accident over concerns that the fire could also occur during air transport." and concluding the probable cause was:

The National Transportation Safety Board determines that the probable cause of the fire on a FedEx delivery truck in Brampton, Ontario, Canada, on June 3, 2016, was an electrical short circuit between the battery terminal bolt and the upper cells of the lithium-ion battery module, causing a thermal runaway within the battery, igniting the battery and its packaging. Contributing to the electrical short circuit was Braille Battery, Inc.’s design that did not protect against short circuiting. Also contributing to the consequences of the accident was Braille Battery, Inc.’s use of combustible packing materials.

The NTSB wrote in their media release of Jun 8th 2020 calling for changes in the policy of air transport of LiOn batteries on cargo aircraft:

WASHINGTON (June 8, 2020) ¯ The National Transportation Safety Board Monday called for a change in air cargo shipping requirements for some types of lithium-ion batteries.

The safety recommendations follow an investigation into the shipment of lithium-ion batteries that ignited while in transport on a delivery truck in Canada.

“Through international cooperation with Canadian authorities, we’ve uncovered a safety gap in how certain lithium-ion batteries are allowed to be transported,” said Robert J. Hall, Director of the NTSB Office of Railroad, Pipeline and Hazardous Materials Investigations. “The current situation presents a danger to all those involved in the transportation of these batteries, on the ground and in the air.”

On June 2, 2016, four large custom-made batteries had been accepted for shipment by FedEx from the manufacturer, Braille Battery, in Sarasota, Florida. After FedEx subjected the batteries to its dangerous goods acceptance process, it transported them on its airplanes from Tampa, Florida, to Indianapolis, Indiana, and then on to Toronto, Ontario.

The batteries ignited about 10 hours after being offloaded at the Toronto airport. The resulting fire destroyed the FedEx delivery truck and its contents.

The investigation revealed that the batteries were not properly designed and packaged for shipment by the manufacturer, which resulted in damage to the cells, a short circuit, and thermal runaway that led to the fire.

The NTSB said the batteries may have qualified for an exemption in international shipping standards that allows for the air transport of “prototype” or “low-production” batteries without passing safety tests required of other lithium-ion batteries. Braille Battery did not apply for the exemption, and they failed to produce any documentation showing the battery design had undergone safety tests. The NTSB determined had such tests been conducted they would likely have created the conditions that caused the battery to fail and prevented this battery design from being accepted for shipment as air cargo.

NTSB investigators said batteries falling under the exemption may be unsafe if not properly tested and could result in a battery fire while being transported by air, potentially bringing down a cargo airliner.

To address this safety hazard, the NTSB issued two safety recommendations asking the Pipeline and Hazardous Materials Safety Administration, which regulates the transportation of potentially dangerous products, to remove the exemption.
Aircraft Registration Data
Registration mark
N320FE
Country of Registration
United States
Date of Registration
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Manufacturer
MCDONNELL DOUGLAS
Aircraft Model / Type
MD-10-30F
Number of Seats
ICAO Aircraft Type
DC10
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Engine Count
Engine Manufacturer
Engine Model
Engine Type
Pounds of Thrust
Main Owner
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Incident Facts

Date of incident
Jun 2, 2016

Classification
Report

Airline
Fedex

Destination
Toronto, Canada

Aircraft Registration
N320FE

ICAO Type Designator
DC10

This article is published under license from Avherald.com. © of text by Avherald.com.
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