Narrative:

Pre-flight preparations progressed normally and the boarding process was close to complete at 10 minutes prior to departure when I noticed a catering truck approach the 1R service door. Catering took a little over 10 minutes; which delayed our request for a push clearance by a couple of minutes.after completing the required checklists; I called ramp and was issued a clearance to push 'tail west' into the alley. Captain relayed this information to the push crew and we began to move. About 25 feet into the push; the aircraft came to an abrupt stop and we were informed that the aircraft may have come in contact with ground equipment. Within a few minutes it became clear that the tail of the aircraft had come in contact with a catering truck.I was surprised to hear that contact had actually occurred. The aircraft stopped quickly; but I did not detect the sound or feeling of impact. The flight attendants stationed at the rear of the aircraft also mentioned that they did not hear or feel the impact.I am not aware of any injuries to the crew or passengers and I witnessed the driver of the catering truck walking around on the ramp after the incident. Passengers eventually got off the aircraft via air stairs and walked up the jet bridge stairs and into the terminal. Captain and I were instructed to leave the aircraft exactly as it was when the impact occurred. After visually inspecting the aircraft to insure no passengers were left behind; captain and I exited the aircraft.

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Original NASA ASRS Text

Title: B737-800 First Officer described a push back incident during which the tail of the aircraft apparently contacted a catering truck.

Narrative: Pre-flight preparations progressed normally and the boarding process was close to complete at 10 minutes prior to departure when I noticed a catering truck approach the 1R service door. Catering took a little over 10 minutes; which delayed our request for a push clearance by a couple of minutes.After completing the required checklists; I called ramp and was issued a clearance to push 'tail west' into the alley. Captain relayed this information to the push crew and we began to move. About 25 feet into the push; the aircraft came to an abrupt stop and we were informed that the aircraft may have come in contact with ground equipment. Within a few minutes it became clear that the tail of the aircraft had come in contact with a catering truck.I was surprised to hear that contact had actually occurred. The aircraft stopped quickly; but I did not detect the sound or feeling of impact. The flight attendants stationed at the rear of the aircraft also mentioned that they did not hear or feel the impact.I am not aware of any injuries to the crew or passengers and I witnessed the driver of the catering truck walking around on the ramp after the incident. Passengers eventually got off the aircraft via air stairs and walked up the jet bridge stairs and into the terminal. Captain and I were instructed to leave the aircraft exactly as it was when the impact occurred. After visually inspecting the aircraft to insure no passengers were left behind; Captain and I exited the aircraft.

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.