What was found
BANG CAN BE FELT AND HEARD FROM NOSE AREA DURING FLIGHT ABOUT EVERY 10 MINS IN CLIMB & DESCENT EVERY 15-20 IN CRUISE. REQUIRING TEST FLIGHT OCF FOR FURTHER EVALUATION. PERFORMED GEAR SWING MULTIPLE TIMES AND COULD NOT DUPLICATE PROBELM. CONFIRMED THE GEAR BUMP CHECKLIST HAD BEEN PERFORMED WHEN AT CESSNA WITH SAMES DISCREPANCY PRIOR TO CMH ARRIVAL. INSPECTED ALL GEAR ROLLERS FOR FREEDOM OF MOVEMENT AND HOOK / ROLLER INTERFACE.