What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Instructor pilot was checking student pilot on cross wind landings. On final approach wind began to grow in strength the airplane started to sink they added throttle to arrest the sink rate, at 100 feet they added more throttle and airplane kept sinking, finally full throttle was utilized and instructor pilot took over the controls, the instructor pilot could feel student still on the controls, instructor pilot thought he was fighting for control of the airplane. Airplane landed with the main tires and the tail hit the grass area just 5 feet short of the runway. They climbed back up and talked about what went wrong in the approach. They conducted 5 more take offs and landings. They taxied back and shut down the engine , they did not realize it until after they shut down that they had sustained a hard tail strike. Airplane tail aft lower fuselage sustained airframe skin damage. No post crash fire and no injury to pilots.
Inspector reyes and inspector lopez inspected airplane for damage. There was no sign of dirt or debree in the damaged area. The tie down ring was not damaged due to the impact. The only damage was the skin in front of bulkhead holding tiedown ring. Pilot statement does not support damage found. Exact cause unknown.
As the FAA filed it
INSTRUCTOR PILOT WAS CHECKING STUDENT PILOT ON CROSS WIND LANDINGS. ON FINAL APPROACH WIND BEGAN TO GROW IN STRENGTH THE AIRPLANE STARTED TO SINK THEY ADDED THROTTLE TO ARREST THE SINK RATE, AT 100 FEET THEY ADDED MORE THROTTLE AND AIRPLANE KEPT SINKING, FINALLY FULL THROTTLE WAS UTILIZED AND INSTRUCTOR PILOT TOOK OVER THE CONTROLS, THE INSTRUCTOR PILOT COULD FEEL STUDENT STILL ON THE CONTROLS, INSTRUCTOR PILOT THOUGHT HE WAS FIGHTING FOR CONTROL OF THE AIRPLANE. AIRPLANE LANDED WITH THE MAIN TIRES AND THE TAIL HIT THE GRASS AREA JUST 5 FEET SHORT OF THE RUNWAY. THEY CLIMBED BACK UP AND TALKED ABOUT WHAT WENT WRONG IN THE APPROACH. THEY CONDUCTED 5 MORE TAKE OFFS AND LANDINGS. THEY TAXIED BACK AND SHUT DOWN THE ENGINE , THEY DID NOT REALIZE IT UNTIL AFTER THEY SHUT DOWN THAT THEY HAD SUSTAINED A HARD TAIL STRIKE. AIRPLANE TAIL AFT LOWER FUSELAGE SUSTAINED AIRFRAME SKIN DAMAGE. NO POST CRASH FIRE AND NO INJURY TO PILOTS.
INSPECTOR REYES AND INSPECTOR LOPEZ INSPECTED AIRPLANE FOR DAMAGE. THERE WAS NO SIGN OF DIRT OR DEBREE IN THE DAMAGED AREA. THE TIE DOWN RING WAS NOT DAMAGED DUE TO THE IMPACT. THE ONLY DAMAGE WAS THE SKIN IN FRONT OF BULKHEAD HOLDING TIEDOWN RING. PILOT STATEMENT DOES NOT SUPPORT DAMAGE FOUND. EXACT CAUSE UNKNOWN.