Originally Posted by
barit1
Definitely looks like a cpr stall - in reverse thrust.
Essentially it's the result of loss of pumping capacity by one or more stages in the compressor, resulting in the remaining stages being overloaded and losing their ability to contain the high-pressure air in the combustor section. The fuel-air mix "burbs" out the front, then reingests and blows out the back. Generally sounds like a cannon shot!
In that frame, the fire is exiting the rear (of reverser). But does the fire generally blast out of the front first?