What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Installation of incorrect oil quick drain valve the nose wheel landing gear strut retracted into the wheel well making contact with the oil quick drain valve pushing the valve in an upward position out of the locked position and the vibration of the engine to turn the value into an open position releasing engine oil causing engine failure and pilots perfroming any emergency landing in grassy field.
As the FAA filed it
INSTALLATION OF INCORRECT OIL QUICK DRAIN VALVE THE NOSE WHEEL LANDING GEAR STRUT RETRACTED INTO THE WHEEL WELL MAKING CONTACT WITH THE OIL QUICK DRAIN VALVE PUSHING THE VALVE IN AN UPWARD POSITION OUT OF THE LOCKED POSITION AND THE VIBRATION OF THE ENGINE TO TURN THE VALUE INTO AN OPEN POSITION RELEASING ENGINE OIL CAUSING ENGINE FAILURE AND PILOTS PERFROMING ANY EMERGENCY LANDING IN GRASSY FIELD.