What was found
UPON PRE-FLIGHT, FOUND 1 OF 4 BOLTS THAT HOLD THE VERTICAL STABILIZER, TO BE STICKING OUT APPROX 2 INCHES. THIS BOLT WAS THE AFT UPPER BOLT. UPON EXAMINATION OF THE REMAINING BOLTS, AFT LOWER BOLT HAD POSSIBLY ONLY 1 THREAD ENGAGED AND WAS STICKING OUT APPROX .2500", FWD UPPER WAS ONLY FINGER TIGHT, AND THE FWD LOWER DID NOT HAVE SPECIFIED TORQUE. ACFT WAS INSPECTED 2 DAYS PRIOR AND PRE-FLIGHT/POST FLIGHT WAS ACCOMPLISHED THE DAY BEFORE. HELICOPTER IS PARKED AND MAINTAINED WITHIN PRIVATE HANGAR. AFTER REMOVAL OF 2 EA BOLTS, PN NAS6604-36 (FWD), 2 EA BOLTS PN NAS6604-28 (AFT) AND 4 EA NUTPLATE PN NAS577B4A, ALL 4 BOLTS WERE ABLE TO BE SCREWED IN BY HAND TO FULL THREAD ENGAGEMENT. THERE IS NO LOCTITE OR SAFETIES UTILIZED FOR THIS INSTALLATION.