Upon applying Take-off/Go-around thrust (TOGA), the aircraft at low altitude started veering to the left and
did neither climb nor accelerate as expected by the flight crew, which temporarily made it difficult for the
flight crew to maintain control of the aircraft. The flight crew noticed an indication for engine no. 1 thrust reverser door(s) to be unlocked. Engine no. 1
was at idle thrust. The flight crew regained control of the aircraft and established a single engine climb toward a safe altitude.
During the climb, the flight crew declared an emergency (“Mayday”) and performed relevant checklists.
Air Traffic Control issued radar vectors for a priority landing on runway 22L.
An external inspection of runway 30, the grass areas surrounding runway 30, and the aircraft revealed:
- No imprints of aircraft ground contact.
- No external damages to the aircraft (including aircraft fuselage, wings, tail and engine nacelles).
- Three out of four thrust reverser doors on engine no. 1 were in the fully deployed position.
Left Side of #1 Engine 
Right Side of #1 Engine 
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