Narrative:

On pushback ewr -- while moving we were pushed into catering truck. Captain kept passengers seated, asked ground control as to any evidence of fire, I called maintenance and ground safety to come out and check for evidence of fuel leakage. Maintenance cleared us to return to the gate. There was no rupture of fuel tank but wing tip was sheared off. No passengers were injured.

Google
 

Original NASA ASRS Text

Title: ACR PUSHED BACK INTO CATERING TRUCK. WING TIP SHEARED.

Narrative: ON PUSHBACK EWR -- WHILE MOVING WE WERE PUSHED INTO CATERING TRUCK. CAPT KEPT PAXS SEATED, ASKED GND CTL AS TO ANY EVIDENCE OF FIRE, I CALLED MAINT AND GND SAFETY TO COME OUT AND CHK FOR EVIDENCE OF FUEL LEAKAGE. MAINT CLRED US TO RETURN TO THE GATE. THERE WAS NO RUPTURE OF FUEL TANK BUT WING TIP WAS SHEARED OFF. NO PAXS WERE INJURED.

Data retrieved from NASA's ASRS site as of July 2007 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.