Narrative:

We pushed from our gate. After engine start and completing checklists we called ramp then ground for taxi. Ground gave us instructions to give way to a 737 on a. I read back the instructions then repeated them to the captain and told him I could not yet see the 737 on a - as he would be approaching from behind on my side of the aircraft as we were currently positioned. The captain acknowledged and began moving aircraft - I thought he was moving just to bring the nose closer to the exit point. At this time another aircraft was taxiing past on B - I believe- I was looking for the 737 on a. I then saw the 737 on a and verbalized that to the captain. He said ok and kept moving the aircraft toward [the ramp exit point]. I said again that the 737 was coming and the captain indicated that he understood - he again said ok or got him- I can't remember exact words but I understood that he heard me; however he kept the aircraft moving. He then started a turn to bring the nose out [the ramp exit point] (was about 90 degree turn to exit from our push position). As the nose started across the hold short line I said urgently twice stop but felt as if the nose was continuing to swing out so I vigorously applied the brakes. I believe we would have collided with the 737 wing tip if our aircraft was allowed to complete the turn. When the brakes were applied the nose wheel was in a turn and it felt like the nose was gaining momentum in the turn so the aircraft 'hopped'/ 'shuddered' a bit as it was brought to an abrupt stop. The nose was partially across the hold short line when we stopped but the 737 was able to pass by safely. Immediately after stopping the captain was communicating with the flight attendants - and we were notified that several of the flight attendants were standing in the galleys and fell during the abrupt stop and they were requesting medical attention. We then coordinated with ground control/ flight operations/ and ramp control to return to a gate and have medics called. The purser did tell us later that at the time of the sudden stop they were complete with their safety demos and all flight attendants should have been in their jump seats. I am not that familiar with their training to know if that is the case or not. Also; after we got back to the gate the captain said that he got on the brakes too hard when I said stop - so I informed him that I also got on the brakes at that time so it may have been more abrupt because we were both applying brakes without knowing the other was simultaneously.

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Original NASA ASRS Text

Title: B757 flight crew and one of the Flight Attendants involved described what occurred when vigorous braking is used during taxi out of the ramp; to avoid a taxiing B737; injuring two Flight Attendants.

Narrative: We pushed from our gate. After engine start and completing checklists we called ramp then ground for taxi. Ground gave us instructions to give way to a 737 on A. I read back the instructions then repeated them to the Captain and told him I could not yet see the 737 on A - as he would be approaching from behind on my side of the aircraft as we were currently positioned. The Captain acknowledged and began moving aircraft - I thought he was moving just to bring the nose closer to the exit point. At this time another aircraft was taxiing past on B - I believe- I was looking for the 737 on A. I then saw the 737 on A and verbalized that to the captain. He said OK and kept moving the aircraft toward [the ramp exit point]. I said again that the 737 was coming and the Captain indicated that he understood - he again said OK or got him- I can't remember exact words but I understood that he heard me; however he kept the aircraft moving. He then started a turn to bring the nose out [the ramp exit point] (was about 90 degree turn to exit from our push position). As the nose started across the hold short line I said urgently twice STOP but felt as if the nose was continuing to swing out so I vigorously applied the brakes. I believe we would have collided with the 737 wing tip if our aircraft was allowed to complete the turn. When the brakes were applied the nose wheel was in a turn and it felt like the nose was gaining momentum in the turn so the aircraft 'hopped'/ 'shuddered' a bit as it was brought to an abrupt stop. The nose was partially across the hold short line when we stopped but the 737 was able to pass by safely. Immediately after stopping the captain was communicating with the flight attendants - and we were notified that several of the flight attendants were standing in the galleys and fell during the abrupt stop and they were requesting medical attention. We then coordinated with Ground control/ flight operations/ and ramp control to return to a gate and have medics called. The Purser did tell us later that at the time of the sudden stop they were complete with their safety demos and all Flight Attendants should have been in their jump seats. I am not that familiar with their training to know if that is the case or not. Also; after we got back to the gate the captain said that he got on the brakes too hard when I said STOP - so I informed him that I also got on the brakes at that time so it may have been more abrupt because we were both applying brakes without knowing the other was simultaneously.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.