Narrative:

During post flight and re-fueling at ZZZ crew noticed a gash in the aircraft skin just forward of the single point refueling door. Gash was about 16 inches long and ½ inch wide and was symmetrical and squared at each end. The gash was directly in line and aft of the right nose gear. It appears that FOD was flipped up by the nose wheel on takeoff or landing leading to damage. However; no unusual noises or vibrations were noted by crew but takeoff and landings are noisy events. Preflight inspection was performed by pilot in command (PIC) with no damage noted. Both pilots performed pilot's walk around with no damage noted. Both pilots have a habit of either opening and inspecting fuel door or physically touching the door to ensure it is securely closed. It would be virtually impossible to physically touch the refueling door and not notice the gash.

Google
 

Original NASA ASRS Text

Title: Upon post flight inspection a gash was noticed on the underside of the aircraft near the single point refueling station. The reporter attributed the damage to FOD encountered during the takeoff or landing phase.

Narrative: During post flight and re-fueling at ZZZ crew noticed a gash in the aircraft skin just forward of the single point refueling door. Gash was about 16 inches long and ½ inch wide and was symmetrical and squared at each end. The gash was directly in line and aft of the right nose gear. It appears that FOD was flipped up by the nose wheel on takeoff or landing leading to damage. However; no unusual noises or vibrations were noted by crew but takeoff and landings are noisy events. Preflight inspection was performed by Pilot in Command (PIC) with no damage noted. Both pilots performed pilot's walk around with no damage noted. Both pilots have a habit of either opening and inspecting fuel door or physically touching the door to ensure it is securely closed. It would be virtually impossible to physically touch the refueling door and not notice the gash.

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.