What was found
SIG EVENT, PILOT NOTED THAT THE CABIN DOOR SNUBBER DETACHED IN FLIGHT. LOCATED THE UPPER BOLT FOR THE AIRSTAIR DOOR SNUBBER ON THE FLOORBOARD. INSPECTED THREADS ON THE BOLT & RECEPTACLE, NO DEFECTS NOTED. REINSTALLED UPPER BOLT IAW AIM 12 15 0, NO FURTHER DEFECTS NOTED AT THIS TIME.