What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Approximately 0620 the aircraft was pushed back from gate N-2. The aircraft was then stopped for de-icing. The de-ice vehicle was positioned behind the left wing with the cab pointing aft. The left wing was de-iced and the de-ice vehicle was re-positioned to de-ice the horizontal stabilizer. When this was finished the de-ice vehicle, with the de-icing bucket/boom still extended backed into the left aileron. The aileron sustained impact damage at the trailing edge. Damage starts 22.5" from the outboard trailing edge. Damage approximately 11" deep by 16.5" wide. Aileron was removed, wing trailing edge was inspected and found to be satisfactory. New aileron was installed. Damaged aileron was sent to san francisco for evaluation.
As the FAA filed it
(-23) APPROXIMATELY 0620 THE AIRCRAFT WAS PUSHED BACK FROM GATE N-2. THE AIRCRAFT WAS THEN STOPPED FOR DE-ICING. THE DE-ICE VEHICLE WAS POSITIONED BEHIND THE LEFT WING WITH THE CAB POINTING AFT. THE LEFT WING WAS DE-ICED AND THE DE-ICE VEHICLE WAS RE-POSITIONED TO DE-ICE THE HORIZONTAL STABILIZER. WHEN THIS WAS FINISHED THE DE-ICE VEHICLE, WITH THE DE-ICING BUCKET/BOOM STILL EXTENDED BACKED INTO THE LEFT AILERON. THE AILERON SUSTAINED IMPACT DAMAGE AT THE TRAILING EDGE. DAMAGE STARTS 22.5" FROM THE OUTBOARD TRAILING EDGE. DAMAGE APPROXIMATELY 11" DEEP BY 16.5" WIDE. AILERON WAS REMOVED, WING TRAILING EDGE WAS INSPECTED AND FOUND TO BE SATISFACTORY. NEW AILERON WAS INSTALLED. DAMAGED AILERON WAS SENT TO SAN FRANCISCO FOR EVALUATION.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.