What was found
DURING APPROACH INTO KLEE PIC CALLED FOR GEAR DOWN LANDING CHECK BUT NEVER RECEIVED A GEAR DOWN INDICATION. PIC CALLED FOR A GO AROUND AND ASKED FOR VECTORS TO TROUBLE SHOOT THE ISSUE IAW QRH. CREW ELECTED TO DIVERT TO KTPA AFTER EMERGENCY GEAR EXTENSION CHECKLIST WAS COMPLETED. AIRCRAFT LANDED AT KTPA WITH NO FURTHER ISSUES. P/N: 5407002-340, LOCATION RIGHT SIDE WHEEL-WELL. HYDRAULIC HARD LINE. FAILURE AT ‘B’ NUT FLARE