What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Narrative: APU inoperative. Started #2 engine on the gate. Aircraft pushed back by tug. Tow team cleared crew to cross start #1 engine. During starting of #1 engine which created excessive thrust & during the forward motion of tug pulling aircraft, aircraft pushed tug and overran towbar, striking tug with right hand side of aircraft, creating a dent 3/8" deep, 4" long. Tug should have been disconnected before any cross start should have been attempted. Due to the excessive thrust, one flight attendant was taken to the hospital for observation.
As the FAA filed it
NARRATIVE: APU INOPERATIVE. STARTED #2 ENGINE ON THE GATE. AIRCRAFT PUSHED BACK BY TUG. TOW TEAM CLEARED CREW TO CROSS START #1 ENGINE. DURING STARTING OF #1 ENGINE WHICH CREATED EXCESSIVE THRUST & DURING THE FORWARD MOTION OF TUG PULLING AIRCRAFT, AIRCRAFT PUSHED TUG AND OVERRAN TOWBAR, STRIKING TUG WITH RIGHT HAND SIDE OF AIRCRAFT, CREATING A DENT 3/8" DEEP, 4" LONG. TUG SHOULD HAVE BEEN DISCONNECTED BEFORE ANY CROSS START SHOULD HAVE BEEN ATTEMPTED. DUE TO THE EXCESSIVE THRUST, ONE FLIGHT ATTENDANT WAS TAKEN TO THE HOSPITAL FOR OBSERVATION.